The B340 is a schottky Diode made by Diodes Incorporated in a SMC(DO-214AB) package with 2 pins. -55℃~+150℃ 1 Independent 100A 3A 40V 500mV@3A 500uA@40V SMC(DO-214AB) Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:B340, from KiCad's library) and its footprint (Diode_SMD:D_SMC, from KiCad's library), ready for a KiCad board. 5,880 are in stock at JLCPCB (part C110486). 101 open-source boards in 89 repositories on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Peak Repetitive Reverse Voltage VRRM | B340; TA = +25°C unless otherwise specified | max 40 V | 2 |
| Working Peak Reverse Voltage VRWM | B340; TA = +25°C unless otherwise specified | max 40 V | 2 |
| DC Blocking Voltage VR | B340; TA = +25°C unless otherwise specified | max 40 V | 2 |
| Average Rectified Output Current IO | Single phase, half wave, 60Hz, resistive or inductive load; for capacitive load, derate current by 20% | max 3 A | 2 |
| Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load IFSM | TA = +25°C | max 100 A | 2 |
| Typical Thermal Resistance, Junction to Terminal RθJT | SMC | typ 20 °C/W | 2 |
| Typical Thermal Resistance, Junction to Ambient (Note 6) RθJA | SMC; Note 6: unit mounted on glass epoxy substrate with 2 x 3mm copper pad | typ 90 °C/W | 2 |
| Operating Temperature Range TJ | min -55 · max 150 °C | 2 | |
| Storage Temperature Range TSTG | min -55 · max 150 °C | 2 | |
| Forward Voltage Drop VF | B340; IF = 3.0A, TA = +25°C | max 0.5 V | 2 |
| Leakage Current (Note 7) IR | @ Rated VR, TA = +25°C; short duration pulse test | max 0.1 mA | 2 |
| Leakage Current (Note 7) IR | @ Rated VR, TA = +100°C; short duration pulse test | max 20 mA | 2 |
| Total Capacitance CT | VR = 4V, f = 1MHz; TA = +25°C | typ 200 pF | 2 |
| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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<iframe src="https://pcbkit.io/embed/parts/diodes/B340" title="B340 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/diodes/B340.jpg" alt="B340" width="1200" height="900">[](https://pcbkit.io/parts/diodes/B340)Yes. The symbol is Diode:B340 and the footprint Diode_SMD:D_SMC, both drawn on this page. PCBKit places them on a board for you when you design with it.
SMC(DO-214AB), with 2 pins. Its footprint is drawn on this page.
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C110486, with 5,880 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the SS34 by TWGMC, the SS56C by MDD, the SS54 by TWGMC and the B540C by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.
101 boards in 89 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
