4 layers40 × 40 mm
STM Board V3
Tay0710/Design_S1_006
This project integrates hardware, firmware, and design elements to develop a fully functional autonomous 3D mapping drone system.
46 parts3
Overview
The BAT54C is a schottky Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-23 package with 3 pins. 1 Pair Common Cathode 1V@100mA 200mA 2uA@25V 30V 600mA SOT-23 Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:BAT54C, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 182,521 are in stock at JLCPCB (part C2135). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
9- Forward current, most
- 200 mA · max forward continuous current at Ta = 25℃ · p. 1
- Reverse voltage, most
- 30 V · max working peak reverse voltage · p. 1
- Junction, hottest
- 125 °C · max junction temperature · p. 1
- Junction to air (SOT-23)
- 500 K/W · junction to ambient · p. 1
- Forward voltage
- 240 mV · max at IF1 = 0.1mA · p. 1
- Forward voltage
- 320 mV · max at IF2 = 1mA · p. 1
- Forward voltage
- 400 mV · max at IF3 = 10mA · p. 1
- Forward voltage
- 500 mV · max at IF4 = 30mA · p. 1
- Forward voltage
- 1 V · max at IF5 = 100mA · p. 1
What it is and has
2- Switching
- Extremely Fast Switching Speed · p. 1
- Package
- SOT-23 · p. 1
Specifications
17| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM / VRWM / VR | Ta=25℃ unless otherwise noted | max 30 V | 1 |
| Forward Continuous Current IFM | Ta=25℃ unless otherwise noted | max 200 mA | 1 |
| Non-repetitive Peak Forward Surge Current IFSM | Ta=25℃; @ t＜1s | max 600 mA | 1 |
| Repetitive Peak Forward Current IFRM | Ta=25℃; @ t≤1s,δ≤0.5 | max 300 mA | 1 |
| Power Dissipation PD | Ta=25℃ | max 200 mW | 1 |
| Thermal Resistance from Junction to Ambient RΘJA | SOT-23; Ta=25℃ | max 500 ℃/W | 1 |
| Junction Temperature Tj | max 125 ℃ | 1 | |
| Storage Temperature Tstg | min -55 · max 150 ℃ | 1 | |
| Reverse voltage V(BR) | Ta=25℃; IR=100uA | min 30 V | 1 |
| Forward voltage VF | Ta=25℃; IF1=0.1mA | max 0.24 V | 1 |
| Forward voltage VF | Ta=25℃; IF2=1mA | max 0.32 V | 1 |
| Forward voltage VF | Ta=25℃; IF3=10mA | max 0.4 V | 1 |
| Forward voltage VF | Ta=25℃; IF4=30mA | max 0.5 V | 1 |
| Forward voltage VF | Ta=25℃; IF5=100mA | max 1 V | 1 |
| Reverse current IR | Ta=25℃; VR=25V | max 2 uA | 1 |
| Diode capacitance CD | Ta=25℃; VR=1V,f=1MHz | max 10 pF | 1 |
| Reverse recovery time trr | Ta=25℃; IF=IR=10mA; Irr=0.1×IR,RL=100Ω | max 5 ns | 1 |
Parameters
9- Current - Rectified
- 200mA
- Diode Configuration
- 1 Pair Common Cathode
- Junction Temperature(Max)
- 125℃
- Non-Repetitive Peak Forward Surge Current
- 600mA
- Reverse Leakage Current (Ir)
- 2uA@25V
- Thermal Resistance(Junction to Ambient)
- 500℃/W
- Voltage - DC Reverse(Vr)
- 30V
- Voltage - Forward(Vf)
- 240mV
- Voltage - Forward(Vf@If)
- 1V@100mA
Order codes
1- BAT54CLCSC C2135
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
| 3 | — | Passive |
Open-source boards using it
All 2- 2 layers
Small-7
NVlabs/Cypress
Cypress is a scalable, GPU-accelerated PCB placement method inspired by VLSI. It incorporates tailored cost functions, constraint handling, and optimized techniques adapted for PCB layouts.
52 parts56Apache-2.0
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<iframe src="https://pcbkit.io/embed/parts/cj/BAT54C" title="BAT54C 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/BAT54C.jpg" alt="BAT54C" width="1200" height="900">[](https://pcbkit.io/parts/cj/BAT54C)Questions
Is there a KiCad symbol and footprint for the BAT54C?
Yes. The symbol is Diode:BAT54C and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BAT54C?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the BAT54C datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the BAT54C?
JLCPCB lists it as part C2135, with 182,521 in stock; the sellers' links on this page open their listings.
What can replace the BAT54C?
Parts like it in the library: the BAT54S by MDD, the BAT54S by hongjiacheng, the BAT54S by JSMSEMI and the BAT54S,215 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BAT54C?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
BAT54S
SOT-231 Pair Series Connection 1V@100mA 200mA 2uA@25V 30V 600mA SOT-23 Schottky Diodes ROHSMDDSchottky DiodesBAT54S
SOT-231 Pair Series Connection 200mA 2uA@30V 30V 400mV@10mA 600mA SOT-23 Schottky Diodes ROHShongjiachengSchottky DiodesBAT54S
SOT-231 Pair Series Connection 200mA 2uA@25V 30V 600mA 800mV@100mA SOT-23 Schottky Diodes ROHSJSMSEMISchottky DiodesBAT54S,215
SOT-231 Pair Series Connection 200mA 2uA@25V 30V 600mA 800mV@100mA SOT-23 Schottky Diodes ROHSNexperiaSchottky DiodesBAT54S KL4
SOT-231 Pair Series Connection 1V@100mA 200mA 2uA@25V 30V 600mA SOT-23 Schottky Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Schottky DiodesLBAT54SLT1G
SOT-231 Pair Series Connection 200mA 2uA 30V 400mV 600mA SOT-23 Schottky Diodes ROHSLeshan Radio (LRC)Schottky DiodesBAT54SL
SOT-23-55℃~+150℃ 1 Pair Series Connection 200mA 2uA@25V 30V 800mV@100mA SOT-23 Schottky Diodes ROHSonsemiSchottky DiodesLBAT54ALT1G
SOT-231 Pair Common Anode 200mA 2uA 30V 400mV 600mA SOT-23 Schottky Diodes ROHSLeshan Radio (LRC)Schottky Diodes