

Overview
The BAT54SL is a schottky Diode made by onsemi in a SOT-23 package with 3 pins. -55℃~+150℃ 1 Pair Series Connection 200mA 2uA@25V 30V 800mV@100mA SOT-23 Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:BAT54S, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 112,442 are in stock at JLCPCB (part C19726). 5 open-source boards in 5 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
8- Reverse voltage, most
- 30 V · max reverse voltage · p. 1
- Forward current, most
- 200 mA · max continuous forward current · p. 1
- Junction, hottest
- 150 °C · max junction temperature · p. 1
- Forward voltage
- 220 mV · typical per diode at IF = 0.1 mAdc, TA = 25°C · p. 2
- Forward voltage
- 290 mV · typical per diode at IF = 1.0 mAdc, TA = 25°C · p. 2
- Forward voltage
- 350 mV · typical per diode at IF = 10 mAdc, TA = 25°C · p. 2
- Forward voltage
- 380 mV · typical per diode at IF = 30 mAdc, TA = 25°C · p. 2
- Forward voltage
- 460 mV · typical per diode at IF = 100 mAdc, TA = 25°C · p. 2
What it is and has
3- Configuration
- Dual series Schottky barrier diodes · p. 1
- Switching
- Extremely fast switching speed · p. 1
- Qualification
- AEC Qualified and PPAP Capable · p. 1
Specifications
18| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Reverse Voltage VR | TA = 25°C | max 30 V | 1 |
| Forward Power Dissipation PF | TA = 25°C | max 225 mW | 1 |
| Forward Power Dissipation PF | Derate above 25°C | max 1.8 mW/C | 1 |
| Forward Current (DC) IF | TA = 25°C | max 200 mA | 1 |
| Non−Repetitive Peak Forward Current IFSM | TA = 25°C; tp < 10 msec | max 600 mA | 1 |
| Non−Repetitive Peak Forward Current IFSM | TA = 25°C; Square pulse = 1 sec | max 1 A | 1 |
| Repetitive Peak Forward Current IFRM | TA = 25°C; Pulse Wave = 1 sec, Duty Cycle = 66% | max 300 mA | 1 |
| Junction Temperature TJ | min -55 · max 150 C | 1 | |
| Storage Temperature Range Tstg | min -55 · max 150 C | 1 | |
| Reverse Breakdown Voltage V(BR)R | EACH DIODE; TA = 25°C; IR = 10 uA | min 30 V | 2 |
| Total Capacitance CT | EACH DIODE; TA = 25°C; VR = 1.0 V, f = 1.0 MHz | typ 7.6 · max 10 pF | 2 |
| Reverse Leakage IR | EACH DIODE; TA = 25°C; VR = 25 V | typ 0.5 · max 2 Adc | 2 |
| Forward Voltage VF | EACH DIODE; TA = 25°C; IF = 0.1 mAdc | typ 0.22 · max 0.24 Vdc | 2 |
| Forward Voltage VF | EACH DIODE; TA = 25°C; IF = 1.0 mAdc | typ 0.29 · max 0.32 Vdc | 2 |
| Forward Voltage VF | EACH DIODE; TA = 25°C; IF = 10 mAdc | typ 0.35 · max 0.4 Vdc | 2 |
| Forward Voltage VF | EACH DIODE; TA = 25°C; IF = 30 mAdc | typ 0.38 · max 0.5 Vdc | 2 |
| Forward Voltage VF | EACH DIODE; TA = 25°C; IF = 100 mAdc | typ 0.46 · max 0.8 Vdc | 2 |
| Reverse Recovery Time trr | EACH DIODE; TA = 25°C; IF = IR = 10 mAdc, IR(REC) = 1.0 mAdc, Figure 1 | max 5 ns | 2 |
Pins, by the datasheet
3- 1 ANODE
- Anode. · p. 4
- 2 CATHODE
- Cathode. · p. 4
- 3 CATHODE−ANODE
- Common cathode-anode connection of the series diodes. · p. 4
Ordering codes, by the datasheet
2- BAT54SLT1G
- SOT−23 (Pb−Free) · 3,000 / Tape & Reel · p. 1
- SBAT54SLT1G
- SOT−23 (Pb−Free) · S prefix for automotive and other applications requiring unique site and control change requirements; 3,000 / Tape & Reel · p. 1
Parameters
8- Current - Rectified
- 200mA
- Diode Configuration
- 1 Pair Series Connection
- Junction Temperature(Max)
- 150℃
- Operating Junction Temperature Range
- -55℃~+150℃
- Reverse Leakage Current (Ir)
- 2uA@25V
- Voltage - DC Reverse(Vr)
- 30V
- Voltage - Forward(Vf)
- 220mV
- Voltage - Forward(Vf@If)
- 800mV@100mA
Order codes
1- BAT54SLT1GLCSC C19726
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | A | Passive |
| 2 | K | Passive |
| 3 | COM | Passive |
Open-source boards using it
All 5- 2 layers300 × 105 mm

- 4 layers76.2 × 76.2 mm

Dodekaedri
e-xla/dodekaedri
dodekaedrin muotoinen radio ":D" / dodecahedron shaped radio ":D"
227 parts2 - 2 layers30 × 237.9 mm

Vca
thismatters/EurorackVca
Voltage Control Amplifier for Eurorack -- Based on Yusynth Simple VCA
67 parts1 - 2 layers35 × 14 mm

- 2 layers51 × 35 mm

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Is there a KiCad symbol and footprint for the BAT54SL?
Yes. The symbol is Diode:BAT54S 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 BAT54SL?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the BAT54SL datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the BAT54SL?
JLCPCB lists it as part C19726, with 112,442 in stock; the sellers' links on this page open their listings.
What can replace the BAT54SL?
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 BAT54SL?
5 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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