2 layers198 × 278 mm
Overview
The BAT43W is a schottky Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOD-123 package with 2 pins. 1 Independent 200mA 30V 450mV@15mA 4A 500nA@25V SOD-123 Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:BAT43, from KiCad's library) and its footprint (Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal, from KiCad's library), ready for a KiCad board. 11,900 are in stock at JLCPCB (part C19167). 8 open-source boards in 8 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
7- Reverse voltage, most
- 30 V · DC blocking voltage, max · p. 1
- Forward current, most
- 200 mA · forward continuous current, max at Ta=25℃ · p. 1
- Junction, hottest
- 125 °C · junction temperature, max · p. 1
- Junction to air (SOD-123)
- 200 K/W · junction to ambient thermal resistance · p. 1
- Forward voltage
- 1 V · forward voltage, max at IF=200mA · p. 1
- Forward voltage
- 330 mV · forward voltage, max at IF=2mA · p. 1
- Forward voltage
- 450 mV · forward voltage, max at IF=15mA · p. 1
What it is and has
4- Forward voltage
- Low Forward Voltage Drop · p. 1
- Switching
- Fast Switching Time · p. 1
- Assembly
- Surface Mount Package Ideally Suited for Automatic Insertion · p. 1
- Package
- SOD-123 · p. 1
Specifications
18| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Peak Repetitive Peak Reverse Voltage VRRM | BAT43W; Ta=25℃ | max 30 V | 1 |
| Working Peak Reverse Voltag VRWM | BAT43W; Ta=25℃ | max 30 V | 1 |
| DC Blocking Voltage VR | BAT43W; Ta=25℃ | max 30 V | 1 |
| RMS Reverse Voltage VR(RMS) | BAT43W; Ta=25℃ | max 21 V | 1 |
| Forward Continuous Current IFM | BAT43W; Ta=25℃ | max 200 mA | 1 |
| Repetitive Peak Forward Current @t<1.0s IFRM | BAT43W; Ta=25℃; t<1.0s | max 500 mA | 1 |
| Peak Forward Surge Current @t<10ms IFSM | BAT43W; Ta=25℃; t<10ms | max 4 A | 1 |
| Power Dissipation PD | BAT43W; Ta=25℃ | max 500 mW | 1 |
| Thermal Resistance Junction to Ambient RθJA | BAT43W; SOD-123; Ta=25℃ | max 200 ℃/W | 1 |
| Junction temperature TJ | BAT43W | max 125 ℃ | 1 |
| Storage Temperature TSTG | BAT43W | min -55 · max 150 ℃ | 1 |
| Reverse breakdown voltage V (BR) | BAT43W; IR=10uA | min 30 V | 1 |
| Forward voltage VF | All Types; BAT43W; IF=200mA | max 1 V | 1 |
| Forward voltage VF | BAT43W; IF=2mA | min 0.26 · max 0.33 V | 1 |
| Forward voltage VF | BAT43W; IF=15mA | max 0.45 V | 1 |
| Reverse current IR | BAT43W; VR=25V | max 0.5 uA | 1 |
| Capacitance between terminals CT | BAT43W; VR=1.0V,f=1.0MHz | max 10 pF | 1 |
| Reverse recovery time trr | BAT43W; IF=IR=10mA; Irr=0.1XIR,RL=100Ω | max 5 ns | 1 |
Parameters
9- Current - Rectified
- 200mA
- Diode Configuration
- 1 Independent
- Junction Temperature(Max)
- 125℃
- Non-Repetitive Peak Forward Surge Current
- 4A
- Reverse Leakage Current (Ir)
- 500nA@25V
- Thermal Resistance(Junction to Ambient)
- 200℃/W
- Voltage - DC Reverse(Vr)
- 30V
- Voltage - Forward(Vf)
- 1V
- Voltage - Forward(Vf@If)
- 450mV@15mA
Order codes
1- BAT43WLCSC C19167
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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<iframe src="https://pcbkit.io/embed/parts/cj/BAT43W" title="BAT43W in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cj/BAT43W.jpg" alt="BAT43W" width="1200" height="900">[](https://pcbkit.io/parts/cj/BAT43W)Questions
Is there a KiCad symbol and footprint for the BAT43W?
Yes. The symbol is Diode:BAT43 and the footprint Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BAT43W?
SOD-123, with 2 pins. Its footprint is drawn on this page.
Where is the BAT43W datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the BAT43W?
JLCPCB lists it as part C19167, with 11,900 in stock; the sellers' links on this page open their listings.
What can replace the BAT43W?
Parts like it in the library: the BAT41KFILM by STMicroelectronics, the BAT46WJ by Nexperia, the BAT43W by hongjiacheng and the BAT42WS by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BAT43W?
8 boards in 8 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
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