

Overview
The BAT54C is a schottky Diode made by Nexperia in a SOT-23 package with 3 pins. 1 Pair Common Cathode 200mA 2uA@25V 30V 600mA 800mV@100mA 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. 420,373 are in stock at JLCPCB (part C37704). 397 open-source boards in 317 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
11- Reverse voltage, most
- 30 V · reverse voltage, absolute max · p. 2
- Forward current, most
- 200 mA · continuous forward current, max at Tamb = 25 °C · p. 2
- Works from
- -55 °C · ambient temperature, limiting min · p. 2
- Works up to
- 150 °C · ambient temperature, limiting max · p. 2
- Junction, hottest
- 150 °C · junction temperature, absolute max · p. 2
- Junction to air (SOT23)
- 500 K/W · junction to ambient, max in free air on standard FR4 footprint · p. 2
- Forward voltage
- 240 mV · forward voltage, max at IF = 0.1 mA, pulsed, Tamb = 25 °C · p. 3
- Forward voltage
- 320 mV · forward voltage, max at IF = 1 mA, pulsed, Tamb = 25 °C · p. 3
- Forward voltage
- 400 mV · forward voltage, max at IF = 10 mA, pulsed, Tamb = 25 °C · p. 3
- Forward voltage
- 500 mV · forward voltage, max at IF = 30 mA, pulsed, Tamb = 25 °C · p. 3
- Forward voltage
- 800 mV · forward voltage, max at IF = 100 mA, pulsed, Tamb = 25 °C · p. 3
What it is and has
4- Forward voltage
- Low · p. 1
- Capacitance
- Low · p. 1
- Protection
- Integrated guard ring for stress protection · p. 1
- Package
- SOT23 (TO-236AB) SMD plastic · p. 1
Specifications
19| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| reverse voltage VR | max 30 V | 1 | |
| forward voltage VF | IF = 100 mA; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 800 mV | 1 |
| reverse current IR | VR = 25 V; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 2 uA | 1 |
| reverse voltage VR | max 30 V | 2 | |
| forward current IF | Tamb = 25 °C | max 200 mA | 2 |
| repetitive peak forward current IFRM | tp ≤ 1 s; δ ≤ 0.5; Tamb = 25 °C | max 300 mA | 2 |
| non-repetitive peak forward current IFSM | tp < 10 ms; Tj(init) = 25 °C | max 600 mA | 2 |
| total power dissipation Ptot | Per device; one diode loaded; Tamb ≤ 25 °C; device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint | max 250 mW | 2 |
| junction temperature Tj | Per device; one diode loaded | max 150 °C | 2 |
| ambient temperature Tamb | Per device; one diode loaded | min -55 · max 150 °C | 2 |
| storage temperature Tstg | Per device; one diode loaded | min -65 · max 150 °C | 2 |
| thermal resistance from junction to ambient Rth(j-a) | SOT23; in free air; device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint | max 500 K/W | 2 |
| forward voltage VF | IF = 0.1 mA; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 240 mV | 3 |
| forward voltage VF | IF = 1 mA; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 320 mV | 3 |
| forward voltage VF | IF = 10 mA; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 400 mV | 3 |
| forward voltage VF | IF = 30 mA; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 500 mV | 3 |
| forward voltage VF | IF = 100 mA; tp ≤ 300 us; δ ≤ 0.02; pulsed; Tamb = 25 °C | max 800 mV | 3 |
| diode capacitance Cd | VR = 1 V; f = 1 MHz; Tamb = 25 °C | max 10 pF | 3 |
| reverse recovery time trr | IF = 10 mA; IR = 10 mA; IR(meas) = 1 mA; RL = 100 Ω; Tamb = 25 °C | max 5 ns | 3 |
Pins, by the datasheet
3- 1 A1
- Anode (diode 1). · p. 1
- 2 A2
- Anode (diode 2). · p. 1
- 3 K1, K2
- Common cathode. · p. 1
Ordering codes, by the datasheet
1- BAT54C
- SOT23 · Single listed type; plastic surface-mounted package with 3 terminals. · p. 2
Parameters
10- Current - Rectified
- 200mA
- Diode Configuration
- 1 Pair Common Cathode
- Junction Temperature(Max)
- 150℃
- Non-Repetitive Peak Forward Surge Current
- 600mA
- Operating Temperature
- -55℃~+150℃
- 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)
- 800mV@100mA
Order codes
2- BAT54C,215LCSC C37704
- BAT54C,235LCSC C549274
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
| 3 | — | Passive |
Open-source boards using it
All 397- 2 layers101.5 × 83 mm

- 4 layers51.4 × 61 mm

- 6 layers76.2 × 20.3 mm

DEV G2-NANO
theta-machines/DEV-G2-NANO
The G2 Nano is powered by a record-breaking 1 GHz Arm Cortex-M7 processor, combining the performance of an application processor with real-time determinism.
141 parts346CERN-OHL-P-2.0 - 4 layers100 × 123 mm

Duet2
Duet3D/Duet-2-Hardware
The KiCAD source for the Duet 3d printer controller see www.duet3d.com
356 parts258 - 6 layers83.5 × 56 mm

- 2 layers33 × 22.5 mm

Tick
jkramarz/TheTick
The Tick is the next evolution in covert access control system implants for simulating adversary-in-the-middle attacks.
37 parts183GPL-3.0 - 4 layers100 × 83 mm

Module17-Mainboard
M17-Project/Module_17
M17 modem board for 9600-baud capable radios
209 parts129CERN-OHL-W-2.0 - 2 layers145 × 165 mm

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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?
Nexperia publishes it: the Datasheet link on this page opens it.
Where can I order the BAT54C?
JLCPCB lists it as part C37704, with 420,373 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?
397 boards in 317 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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