Diodes
(48 076)A diode is perhaps the oldest semiconductor device. Different diode types are used to rectify voltage, limit voltage, switch current circuits, detect and mix signals. Special types of diodes, such as tunnel diodes and capacitive diodes are used in microwave generators and radio tuning circuits.
Diodes and their selection by function
The basic classification of diodes covers functional groups, which can be further divided into subgroups, depending on the type of housing, mounting method, maximum power loss (including the possibility of using a heat sink) and others. These also include diode assemblies placed in a single housing (diode modules), or solutions that are connected in a special way, using e.g. a Graetz rectifier bridge or 8 protection diodes with a common cathode or anode for 8-bit data bus protection.
When choosing a diode for your application, you need to pay attention to a number of its parameters, not only electrical, but also mechanical ones. However, this cannot be done in isolation from the application, because, depending on the type of diode, various parameters become dominant. For example, for a rectifying diode these will be: maximum continuous forward current, maximum continuous reverse voltage, threshold voltage (also called forward voltage) at maximum forward current, reverse current at maximum reverse voltage, loss power, allowable junction temperature. On the other hand, for Zener diode, which can be used for voltage stabilisation or overvoltage limitation, the listed parameters gain a different meaning. The threshold voltage is no longer so important in most applications, because this diode works mainly in the reverse bias. What is important is the breakdown voltage and its tolerance, because this type of diode is required to repeatably and accurately stabilise voltage in the reverse direction. The forward current is also treated differently because it is mainly the reverse current, which in a rectifying diode should be as low as possible, and in a Zener diode too, but once the breakdown voltage is reached, the dynamic resistance of the diode is expected to be as low as possible. It is also expected that the transition to the junction breakdown state will be abrupt, with avalanche-like behaviour – unlike in a rectifier diode, where a mild breakdown characteristic may provide a longer diode lifetime.
Diodes and their classification by application
Othertypes of diodes, which have application-dependent characteristics, should be treated similarly. Other parameters, such as switching frequency, junction capacitance, etc. become more important. This applies especially to diodes used in high-frequency circuits, such as mixers, HV generators, detectors and other. Therefore, it would be wrong to assume that “a diode is a diode” and that a diode selected only based on the forward current and breakdown voltage would serve its purpose in every application.
Based on the function, diodes can be divided, among others, into: universal diodes (low forward current, low or medium reverse voltage, high operating frequency), rectifying diodes (high reverse voltage, high forward current, low operating frequency), pulse diodes (switching; short switching time with reversed polarity, capacitive diodes (varicaps, varactors; capacitance controlled by voltage), microwave diodes (tunnel diodes, Gunn's diodes, step recovery diodes; for rectification, generation and amplification of electrical waveforms in the microwave range), Zener diodes (for voltage stabilisation), avalanche diodes and transils (overvoltage protection). Some diode offer “glass passivated” design – a thin layer of glass used to protect the P-N junction improves the electrical characteristics, reduces the leakage current and increases the breakdown resistance.
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Diode: Schottky switching; SOT23; SMD; 30V; 200mA; 5ns; reel,tape
Manufacturer part number: AKS0027
Manufacturer: AKYGA SEMI
Net price for quantities from 1 pcs - 0.07 USDGross price for quantities from 1 pcs - 0.07 USD
Net price for quantities from 10 pcs - 0.05 USDGross price for quantities from 10 pcs - 0.05 USD
Net price for quantities from 100 pcs - 0.03 USDGross price for quantities from 100 pcs - 0.03 USD
Net price for quantities from 500 pcs - 0.02 USDGross price for quantities from 500 pcs - 0.02 USD
Net price for quantities from 1000 pcs - 0.01 USDGross price for quantities from 1000 pcs - 0.01 USD
Net price for quantities from 3000 pcs - 0.01 USDGross price for quantities from 3000 pcs - 0.01 USD
Net price for quantities from 6000 pcs - 0.01 USDGross price for quantities from 6000 pcs - 0.01 USD
Net price for quantities from 12000 pcs - 0.01 USDGross price for quantities from 12000 pcs - 0.01 USD
Net price for quantities from 30000 pcs - 0.01 USDGross price for quantities from 30000 pcs - 0.01 USD
10674 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Zener; 0.3W; 75V; SMD; SOT23; single diode; reel,tape; BZX84C
Manufacturer part number: BZX84C75LT1G
Manufacturer: ONSEMI
Net price for quantities from 1 pcs - 0.09 USDGross price for quantities from 1 pcs - 0.09 USD
Net price for quantities from 5 pcs - 0.07 USDGross price for quantities from 5 pcs - 0.07 USD
Net price for quantities from 10 pcs - 0.06 USDGross price for quantities from 10 pcs - 0.06 USD
Net price for quantities from 50 pcs - 0.04 USDGross price for quantities from 50 pcs - 0.04 USD
Net price for quantities from 100 pcs - 0.03 USDGross price for quantities from 100 pcs - 0.03 USD
Net price for quantities from 500 pcs - 0.02 USDGross price for quantities from 500 pcs - 0.02 USD
Net price for quantities from 1000 pcs - 0.02 USDGross price for quantities from 1000 pcs - 0.02 USD
Net price for quantities from 1500 pcs - 0.02 USDGross price for quantities from 1500 pcs - 0.02 USD
Net price for quantities from 3000 pcs - 0.02 USDGross price for quantities from 3000 pcs - 0.02 USD
Net price for quantities from 6000 pcs - 0.02 USDGross price for quantities from 6000 pcs - 0.02 USD
41893 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Zener; 0.3W; 12V; SMD; SOT23; single diode; 7 inch reel
Manufacturer part number: BZX84C12-G3-08
Manufacturer: VISHAY
Net price for quantities from 3000 pcs - 0.03 USDGross price for quantities from 3000 pcs - 0.03 USD
6000 in TME stock
No. of pieces (Multiplicity: 3 000)
Diode: Schottky rectifying; TO277; SMD; 100V; 10A; reel,tape
Manufacturer part number: AKS1140
Manufacturer: AKYGA SEMI
Net price for quantities from 1 pcs - 0.69 USDGross price for quantities from 1 pcs - 0.69 USD
Net price for quantities from 10 pcs - 0.49 USDGross price for quantities from 10 pcs - 0.49 USD
Net price for quantities from 25 pcs - 0.24 USDGross price for quantities from 25 pcs - 0.24 USD
Net price for quantities from 100 pcs - 0.21 USDGross price for quantities from 100 pcs - 0.21 USD
Net price for quantities from 250 pcs - 0.19 USDGross price for quantities from 250 pcs - 0.19 USD
Net price for quantities from 1000 pcs - 0.18 USDGross price for quantities from 1000 pcs - 0.18 USD
Net price for quantities from 2500 pcs - 0.16 USDGross price for quantities from 2500 pcs - 0.16 USD
Net price for quantities from 5000 pcs - 0.15 USDGross price for quantities from 5000 pcs - 0.15 USD
Net price for quantities from 10000 pcs - 0.15 USDGross price for quantities from 10000 pcs - 0.15 USD
9425 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Zener; 0.2W; 3.3V; SMD; SOD323; single diode; 7 inch reel
Manufacturer part number: BZX384C3V3-E3-08
Manufacturer: VISHAY
Net price for quantities from 1 pcs - 0.25 USDGross price for quantities from 1 pcs - 0.25 USD
Net price for quantities from 10 pcs - 0.11 USDGross price for quantities from 10 pcs - 0.11 USD
Net price for quantities from 50 pcs - 0.07 USDGross price for quantities from 50 pcs - 0.07 USD
Net price for quantities from 100 pcs - 0.06 USDGross price for quantities from 100 pcs - 0.06 USD
Net price for quantities from 250 pcs - 0.05 USDGross price for quantities from 250 pcs - 0.05 USD
Net price for quantities from 500 pcs - 0.05 USDGross price for quantities from 500 pcs - 0.05 USD
Net price for quantities from 1000 pcs - 0.04 USDGross price for quantities from 1000 pcs - 0.04 USD
Net price for quantities from 3000 pcs - 0.04 USDGross price for quantities from 3000 pcs - 0.04 USD
Net price for quantities from 6000 pcs - 0.04 USDGross price for quantities from 6000 pcs - 0.04 USD
Net price for quantities from 15000 pcs - 0.03 USDGross price for quantities from 15000 pcs - 0.03 USD
10 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Zener; 0.5W; 4.7V; SMD; LL34,MiniMELF glass; single diode
Manufacturer part number: AKS0093
Manufacturer: AKYGA SEMI
Net price for quantities from 1 pcs - 0.03 USDGross price for quantities from 1 pcs - 0.03 USD
Net price for quantities from 10 pcs - 0.02 USDGross price for quantities from 10 pcs - 0.02 USD
Net price for quantities from 100 pcs - 0.01 USDGross price for quantities from 100 pcs - 0.01 USD
Net price for quantities from 500 pcs - 0.01 USDGross price for quantities from 500 pcs - 0.01 USD
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Net price for quantities from 2500 pcs - 0.01 USDGross price for quantities from 2500 pcs - 0.01 USD
Net price for quantities from 5000 pcs - 0.01 USDGross price for quantities from 5000 pcs - 0.01 USD
Net price for quantities from 10000 pcs - 0.01 USDGross price for quantities from 10000 pcs - 0.01 USD
9890 in TME stock
No. of pieces (Multiplicity: 1)
Diode: TVS array; 4V; 44A; 540W; double,common anode; ESD; SOT23
Manufacturer part number: VGSOT03C-G3-08
Manufacturer: VISHAY
Net price for quantities from 3000 pcs - 0.11 USDGross price for quantities from 3000 pcs - 0.11 USD
Net price for quantities from 6000 pcs - 0.10 USDGross price for quantities from 6000 pcs - 0.10 USD
Net price for quantities from 15000 pcs - 0.09 USDGross price for quantities from 15000 pcs - 0.09 USD
Net price for quantities from 30000 pcs - 0.09 USDGross price for quantities from 30000 pcs - 0.09 USD
0 in TME stock
No. of pieces (Multiplicity: 3 000)
Diode: Schottky rectifying; SMA; SMD; 60V; 1A; reel,tape
Manufacturer part number: SS16T3G
Manufacturer: ONSEMI
Net price for quantities from 1 pcs - 0.19 USDGross price for quantities from 1 pcs - 0.19 USD
Net price for quantities from 10 pcs - 0.14 USDGross price for quantities from 10 pcs - 0.14 USD
Net price for quantities from 50 pcs - 0.13 USDGross price for quantities from 50 pcs - 0.13 USD
Net price for quantities from 100 pcs - 0.12 USDGross price for quantities from 100 pcs - 0.12 USD
Net price for quantities from 500 pcs - 0.12 USDGross price for quantities from 500 pcs - 0.12 USD
Net price for quantities from 1000 pcs - 0.11 USDGross price for quantities from 1000 pcs - 0.11 USD
Net price for quantities from 2000 pcs - 0.10 USDGross price for quantities from 2000 pcs - 0.10 USD
Net price for quantities from 2500 pcs - 0.09 USDGross price for quantities from 2500 pcs - 0.09 USD
Net price for quantities from 5000 pcs - 0.09 USDGross price for quantities from 5000 pcs - 0.09 USD
Net price for quantities from 10000 pcs - 0.08 USDGross price for quantities from 10000 pcs - 0.08 USD
9997 in TME stock
No. of pieces (Multiplicity: 1)
Diode: TVS; 1.5kW; 39V; 143A; bidirectional; SMC; reel,tape; SM15T
Manufacturer part number: SM15T39CAY
Manufacturer: STMicroelectronics
Net price for quantities from 1 pcs - 0.71 USDGross price for quantities from 1 pcs - 0.71 USD
Net price for quantities from 10 pcs - 0.61 USDGross price for quantities from 10 pcs - 0.61 USD
Net price for quantities from 100 pcs - 0.50 USDGross price for quantities from 100 pcs - 0.50 USD
Net price for quantities from 500 pcs - 0.46 USDGross price for quantities from 500 pcs - 0.46 USD
Net price for quantities from 1000 pcs - 0.43 USDGross price for quantities from 1000 pcs - 0.43 USD
Net price for quantities from 2500 pcs - 0.40 USDGross price for quantities from 2500 pcs - 0.40 USD
Net price for quantities from 5000 pcs - 0.38 USDGross price for quantities from 5000 pcs - 0.38 USD
Net price for quantities from 7500 pcs - 0.37 USDGross price for quantities from 7500 pcs - 0.37 USD
Net price for quantities from 12500 pcs - 0.36 USDGross price for quantities from 12500 pcs - 0.36 USD
Net price for quantities from 25000 pcs - 0.34 USDGross price for quantities from 25000 pcs - 0.34 USD
2059 in TME stock
No. of pieces (Multiplicity: 1)
Diode: TVS; 400W; 13.3÷15.3V; 20.1A; bidirectional; ±5%; SMA
Manufacturer part number: SMAJ12A
Manufacturer: DC COMPONENTS
Net price for quantities from 1 pcs - 0.44 USDGross price for quantities from 1 pcs - 0.44 USD
Net price for quantities from 10 pcs - 0.26 USDGross price for quantities from 10 pcs - 0.26 USD
Net price for quantities from 25 pcs - 0.15 USDGross price for quantities from 25 pcs - 0.15 USD
Net price for quantities from 100 pcs - 0.09 USDGross price for quantities from 100 pcs - 0.09 USD
Net price for quantities from 250 pcs - 0.06 USDGross price for quantities from 250 pcs - 0.06 USD
Net price for quantities from 1000 pcs - 0.06 USDGross price for quantities from 1000 pcs - 0.06 USD
Net price for quantities from 2500 pcs - 0.05 USDGross price for quantities from 2500 pcs - 0.05 USD
Net price for quantities from 7500 pcs - 0.04 USDGross price for quantities from 7500 pcs - 0.04 USD
Net price for quantities from 15000 pcs - 0.04 USDGross price for quantities from 15000 pcs - 0.04 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Zener; 0.3W; 33V; SMD; SOT23; single diode; reel,tape; BZX84C
Manufacturer part number: BZX84C33LT3G
Manufacturer: ONSEMI
Net price for quantities from 1 pcs - 0.14 USDGross price for quantities from 1 pcs - 0.14 USD
Net price for quantities from 10 pcs - 0.08 USDGross price for quantities from 10 pcs - 0.08 USD
Net price for quantities from 100 pcs - 0.04 USDGross price for quantities from 100 pcs - 0.04 USD
Net price for quantities from 500 pcs - 0.03 USDGross price for quantities from 500 pcs - 0.03 USD
Net price for quantities from 1000 pcs - 0.03 USDGross price for quantities from 1000 pcs - 0.03 USD
Net price for quantities from 2000 pcs - 0.02 USDGross price for quantities from 2000 pcs - 0.02 USD
Net price for quantities from 2500 pcs - 0.02 USDGross price for quantities from 2500 pcs - 0.02 USD
Net price for quantities from 5000 pcs - 0.02 USDGross price for quantities from 5000 pcs - 0.02 USD
Net price for quantities from 10000 pcs - 0.02 USDGross price for quantities from 10000 pcs - 0.02 USD
7900 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Zener; 1W; 15V; DO41; 10uA; Ufmax: 1.2V
Manufacturer part number: JAN1N3024D-1
Manufacturer: MICROCHIP TECHNOLOGY
Net price for quantities from 100 pcs - 18.79 USDGross price for quantities from 100 pcs - 18.79 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Offer available for logged-in customers
Module: diode; double independent; 150V; If: 160Ax2; SOT227B; screw
Manufacturer part number: MBRI2X160-150A
Manufacturer: DACO Semiconductor
Net price for quantities from 1 pcs - 34.81 USDGross price for quantities from 1 pcs - 34.81 USD
Net price for quantities from 5 pcs - 30.71 USDGross price for quantities from 5 pcs - 30.71 USD
Net price for quantities from 13 pcs - 27.51 USDGross price for quantities from 13 pcs - 27.51 USD
Net price for quantities from 26 pcs - 25.71 USDGross price for quantities from 26 pcs - 25.71 USD
Net price for quantities from 52 pcs - 23.80 USDGross price for quantities from 52 pcs - 23.80 USD
Net price for quantities from 104 pcs - 23.31 USDGross price for quantities from 104 pcs - 23.31 USD
11 in TME stock
No. of pieces (Multiplicity: 1)
Hardly available product
Module: diode; double independent; 100V; If: 120Ax2; SOT227B; screw
Manufacturer part number: MBRI2X120-100A
Manufacturer: DACO Semiconductor
Net price for quantities from 1 pcs - 31.20 USDGross price for quantities from 1 pcs - 31.20 USD
Net price for quantities from 5 pcs - 27.70 USDGross price for quantities from 5 pcs - 27.70 USD
Net price for quantities from 13 pcs - 24.70 USDGross price for quantities from 13 pcs - 24.70 USD
Net price for quantities from 26 pcs - 23.00 USDGross price for quantities from 26 pcs - 23.00 USD
Net price for quantities from 52 pcs - 21.51 USDGross price for quantities from 52 pcs - 21.51 USD
Net price for quantities from 104 pcs - 20.81 USDGross price for quantities from 104 pcs - 20.81 USD
12 in TME stock
No. of pieces (Multiplicity: 1)
Hardly available product
Module: diode; double independent; 200V; If: 80Ax2; SOT227B; screw
Manufacturer part number: MBRI2X80-200A
Manufacturer: DACO Semiconductor
Net price for quantities from 1 pcs - 27.80 USDGross price for quantities from 1 pcs - 27.80 USD
Net price for quantities from 5 pcs - 24.50 USDGross price for quantities from 5 pcs - 24.50 USD
Net price for quantities from 13 pcs - 22.00 USDGross price for quantities from 13 pcs - 22.00 USD
Net price for quantities from 26 pcs - 20.50 USDGross price for quantities from 26 pcs - 20.50 USD
Net price for quantities from 52 pcs - 19.00 USDGross price for quantities from 52 pcs - 19.00 USD
Net price for quantities from 104 pcs - 18.60 USDGross price for quantities from 104 pcs - 18.60 USD
11 in TME stock
No. of pieces (Multiplicity: 1)
Hardly available product
Diode: TVS; 400W; 31.1÷35.8V; 8.8A; unidirectional; ±5%; SMA
Manufacturer part number: SMAJ28A
Manufacturer: DC COMPONENTS
Net price for quantities from 1 pcs - 0.44 USDGross price for quantities from 1 pcs - 0.44 USD
Net price for quantities from 10 pcs - 0.26 USDGross price for quantities from 10 pcs - 0.26 USD
Net price for quantities from 25 pcs - 0.15 USDGross price for quantities from 25 pcs - 0.15 USD
Net price for quantities from 100 pcs - 0.09 USDGross price for quantities from 100 pcs - 0.09 USD
Net price for quantities from 250 pcs - 0.06 USDGross price for quantities from 250 pcs - 0.06 USD
Net price for quantities from 1000 pcs - 0.06 USDGross price for quantities from 1000 pcs - 0.06 USD
Net price for quantities from 2500 pcs - 0.05 USDGross price for quantities from 2500 pcs - 0.05 USD
Net price for quantities from 7500 pcs - 0.04 USDGross price for quantities from 7500 pcs - 0.04 USD
Net price for quantities from 15000 pcs - 0.04 USDGross price for quantities from 15000 pcs - 0.04 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Diode: Schottky switching; SOT23; SMD; 30V; 0.2A; 5ns; 230mW
Manufacturer part number: BAT54C-E3-08
Manufacturer: VISHAY
Net price for quantities from 1 pcs - 0.11 USDGross price for quantities from 1 pcs - 0.11 USD
Net price for quantities from 10 pcs - 0.08 USDGross price for quantities from 10 pcs - 0.08 USD
Net price for quantities from 100 pcs - 0.06 USDGross price for quantities from 100 pcs - 0.06 USD
Net price for quantities from 250 pcs - 0.06 USDGross price for quantities from 250 pcs - 0.06 USD
Net price for quantities from 500 pcs - 0.06 USDGross price for quantities from 500 pcs - 0.06 USD
Net price for quantities from 1000 pcs - 0.05 USDGross price for quantities from 1000 pcs - 0.05 USD
Net price for quantities from 3000 pcs - 0.05 USDGross price for quantities from 3000 pcs - 0.05 USD
Net price for quantities from 9000 pcs - 0.04 USDGross price for quantities from 9000 pcs - 0.04 USD
Net price for quantities from 15000 pcs - 0.04 USDGross price for quantities from 15000 pcs - 0.04 USD
Net price for quantities from 30000 pcs - 0.04 USDGross price for quantities from 30000 pcs - 0.04 USD
5159 in TME stock
No. of pieces (Multiplicity: 1)
Diode: TVS; 400W; 16.7÷19.2V; 16.4A; unidirectional; ±5%; SMA
Manufacturer part number: SMAJ15A
Manufacturer: DC COMPONENTS
Net price for quantities from 1 pcs - 0.44 USDGross price for quantities from 1 pcs - 0.44 USD
Net price for quantities from 10 pcs - 0.26 USDGross price for quantities from 10 pcs - 0.26 USD
Net price for quantities from 25 pcs - 0.15 USDGross price for quantities from 25 pcs - 0.15 USD
Net price for quantities from 100 pcs - 0.09 USDGross price for quantities from 100 pcs - 0.09 USD
Net price for quantities from 250 pcs - 0.06 USDGross price for quantities from 250 pcs - 0.06 USD
Net price for quantities from 1000 pcs - 0.06 USDGross price for quantities from 1000 pcs - 0.06 USD
Net price for quantities from 2500 pcs - 0.05 USDGross price for quantities from 2500 pcs - 0.05 USD
Net price for quantities from 7500 pcs - 0.04 USDGross price for quantities from 7500 pcs - 0.04 USD
Net price for quantities from 15000 pcs - 0.04 USDGross price for quantities from 15000 pcs - 0.04 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Diode: TVS; 400W; 16.7÷19.2V; 16.4A; bidirectional; ±5%; SMA
Manufacturer part number: SMAJ15A
Manufacturer: DC COMPONENTS
Net price for quantities from 1 pcs - 0.44 USDGross price for quantities from 1 pcs - 0.44 USD
Net price for quantities from 10 pcs - 0.26 USDGross price for quantities from 10 pcs - 0.26 USD
Net price for quantities from 25 pcs - 0.15 USDGross price for quantities from 25 pcs - 0.15 USD
Net price for quantities from 100 pcs - 0.09 USDGross price for quantities from 100 pcs - 0.09 USD
Net price for quantities from 250 pcs - 0.06 USDGross price for quantities from 250 pcs - 0.06 USD
Net price for quantities from 1000 pcs - 0.06 USDGross price for quantities from 1000 pcs - 0.06 USD
Net price for quantities from 2500 pcs - 0.05 USDGross price for quantities from 2500 pcs - 0.05 USD
Net price for quantities from 7500 pcs - 0.04 USDGross price for quantities from 7500 pcs - 0.04 USD
Net price for quantities from 15000 pcs - 0.04 USDGross price for quantities from 15000 pcs - 0.04 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Diode: TVS array; 6V; 36A; 500W; double,common anode; ESD; SOT23
Manufacturer part number: VGSOT05C-G3-08
Manufacturer: VISHAY
Net price for quantities from 1 pcs - 0.19 USDGross price for quantities from 1 pcs - 0.19 USD
Net price for quantities from 10 pcs - 0.16 USDGross price for quantities from 10 pcs - 0.16 USD
Net price for quantities from 100 pcs - 0.15 USDGross price for quantities from 100 pcs - 0.15 USD
Net price for quantities from 500 pcs - 0.15 USDGross price for quantities from 500 pcs - 0.15 USD
Net price for quantities from 1000 pcs - 0.12 USDGross price for quantities from 1000 pcs - 0.12 USD
Net price for quantities from 3000 pcs - 0.09 USDGross price for quantities from 3000 pcs - 0.09 USD
Net price for quantities from 6000 pcs - 0.09 USDGross price for quantities from 6000 pcs - 0.09 USD
3560 in TME stock
No. of pieces (Multiplicity: 1)