
Overview
The B240A is a fast Recovery , High Efficiency Diode made by MDD in a SMA(DO-214AC) package with 2 pins. -50℃~+150℃ 1 Independent 2A 40V 500uA@40V 50A 550mV@3A SMA(DO-214AC) Fast Recovery / High Efficiency Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D, from KiCad's library) and its footprint (Diode_SMD:D_SMA, from KiCad's library), ready for a KiCad board. 45,619 are in stock at JLCPCB (part C39358).
Symbol
Footprint
From the datasheet
5- Reverse voltage, most
- 40 V · maximum repetitive peak reverse voltage · p. 1
- Forward current, most
- 2 A · maximum average forward rectified current, TL = 55 °C · p. 1
- Forward voltage
- 550 mV · at 3.0 A, max · p. 1
- Junction, hottest
- 150 °C · operating junction temperature, max · p. 1
- Junction to air (DO-214AC/SMA)
- 75 K/W · PCB mounted with 5.0 × 5.0 mm copper pad areas, typical · p. 1
Parameters
14- Average Rectified Current (Io)
- 2A
- Current - Rectified
- 2A
- Diode Configuration
- 1 Independent
- Forward Current(If)
- 2A
- Junction Temperature(Max)
- 150℃
- Non-Repetitive Peak Forward Surge Current
- 50A
- Operating Junction Temperature Range
- -50℃~+150℃
- Reverse Leakage Current (Ir)
- 500uA@40V
- Reverse Voltage
- 40V
- Reverse Voltage (Vr)
- 40V
- Thermal Resistance(Junction to Ambient)
- 75℃/W
- Voltage - DC Reverse(Vr)
- 40V
- Voltage - Forward(Vf)
- 550mV
- Voltage - Forward(Vf@If)
- 550mV@3A
Order codes
1- B240ALCSC C39358
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the B240A?
Yes. The symbol is Device:D and the footprint Diode_SMD:D_SMA, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the B240A?
SMA(DO-214AC), with 2 pins. Its footprint is drawn on this page.
Where is the B240A datasheet?
MDD publishes it: the Datasheet link on this page opens it.
Where can I order the B240A?
JLCPCB lists it as part C39358, with 45,619 in stock; the sellers' links on this page open their listings.
What can replace the B240A?
Parts like it in the library: the ES2J by hongjiacheng, the ES2D by Shandong Jingdao Microelectronics, the US2M by MDD and the RS2M by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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