Overview
The SA12A is an ESD And Surge Protection made by Littelfuse in a DO-204AC(DO-15) package with 2 pins. -65℃~+175℃ 12V 14.7V 19.9V 1uA 25.6A@10/1000us 500W@10/1000us IEC 61000-4-2、IEC 61000-4-4 TVS Unidirectional DO-204AC(DO-15) ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (EasyEDA_Cloud:DO-15_BD3.1-L6.7-P10.70-D0.8-RD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1973241).
Symbol
Footprint
Parameters
11- Clamping Voltage
- 19.9V
- Number of Channels
- 1
- Operating Temperature
- -65℃~+175℃
- Peak Pulse Current (Ipp)
- 25.6A@10/1000us
- Peak Pulse Power Dissipation (Ppp)
- 500W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 1uA
- Reverse Stand-Off Voltage (Vrwm)
- 12V
- Type
- TVS
- Voltage - Breakdown
- 14.7V
- level of protection
- IEC 61000-4-4；IEC 61000-4-2
Order codes
1- SA12ALCSC C1973241
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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<iframe src="https://pcbkit.io/embed/parts/littelfuse/SA12A" title="SA12A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/littelfuse/SA12A.jpg" alt="SA12A" width="1200" height="900">[](https://pcbkit.io/parts/littelfuse/SA12A)Questions
Is there a KiCad symbol and footprint for the SA12A?
Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:DO-15_BD3.1-L6.7-P10.70-D0.8-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SA12A?
DO-204AC(DO-15), with 2 pins. Its footprint is drawn on this page.
Where is the SA12A datasheet?
Littelfuse publishes it: the Datasheet link on this page opens it.
Where can I order the SA12A?
JLCPCB lists it as part C1973241, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SA12A?
Parts like it in the library: the SA12A-B by Littelfuse, the SMF12CA by hongjiacheng, the SMF12A by hongjiacheng and the H12VL10B by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
SA12A-B
DO-15(DO-204AC)-65℃~+175℃ 12V 14.7V 19.9V 1uA 25.6A@10/1000us 500W@10/1000us IEC 61000-4-2、IEC 61000-4-4 TVS Unidirectional DO-15(DO-204AC) ESD and Surge Protection (TVS/ESD) ROHSLittelfuseESD And Surge Protection (TVS/ESD)
SMF12CA
SOD-123FLESD And Surge Protection (TVS/ESD)hongjiacheng
SMF12A
SOD-123FL-55℃~+150℃ 10.1A@10/1000us 12V 14.7V 19.9V 2.5uA 200W@10/1000us IEC 61000-4-2 TVS Unidirectional SOD-123FL ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
H12VL10B
DFN1006-2L-55℃~+125℃ 12V 12pF 15.8V 200W@8/20us 200nA 25.5V 8A@8/20us Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5 DFN1006-2L ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
PSM712-LF-T7
SOT-23-55℃~+150℃ 12V 13.3V 19V 1uA、20uA 30A@8/20us、34A@8/20us 600W@8/20us 75pF IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS Unidirectional SOT-23 ESD and Surge Protection (TVS/ESD) ROHSPROTEKESD And Surge Protection (TVS/ESD)SM712
SOT-23-55℃~+125℃ 10V、26V 12A 1uA 2 400W 7.5V、13.3V 75pF 7V、12V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 SOT-23 ESD and Surge Protection (TVS/ESD) ROHSDOWOESD And Surge Protection (TVS/ESD)
SMBJ12CA
SMB-65℃~+150℃ 12V 14.7V 19.9V 1uA 30.2A@10/1000us 390pF 600W@10/1000us TVS SMB ESD and Surge Protection (TVS/ESD) ROHS晶导微电子ESD And Surge Protection (TVS/ESD)
GBLC12C
SOD-323-55℃~+150℃ 1 12V 13.3V 1pF 1uA 28.6V 300W 6A Bidirectional ESD IEC 61000-4-2、IEC 61000-4-4 SOD-323 ESD and Surge Protection (TVS/ESD) ROHSMDDESD And Surge Protection (TVS/ESD)