
Overview
The SA85A is an ESD And Surge Protection made by Littelfuse in a DO-15(DO-204AC) package with 2 pins. -65℃~+175℃ 104V 137V 1uA 3.7A@10/1000us 500W@10/1000us 85V IEC 61000-4-2、IEC 61000-4-4 TVS Unidirectional DO-15(DO-204AC) 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-FD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1979220).
Symbol
Footprint
Parameters
11- Clamping Voltage
- 137V
- Number of Channels
- 1
- Operating Temperature
- -65℃~+175℃
- Peak Pulse Current (Ipp)
- 3.7A@10/1000us
- Peak Pulse Power Dissipation (Ppp)
- 500W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 1uA
- Reverse Stand-Off Voltage (Vrwm)
- 85V
- Type
- TVS
- Voltage - Breakdown
- 104V
- level of protection
- IEC 61000-4-4;IEC 61000-4-2
Order codes
1- SA85ALCSC C1979220
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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<iframe src="https://pcbkit.io/embed/parts/littelfuse/SA85A" title="SA85A 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/SA85A.jpg" alt="SA85A" width="1200" height="900">[](https://pcbkit.io/parts/littelfuse/SA85A)Questions
Is there a KiCad symbol and footprint for the SA85A?
Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:DO-15_BD3.1-L6.7-P10.70-D0.8-FD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SA85A?
DO-15(DO-204AC), with 2 pins. Its footprint is drawn on this page.
Where is the SA85A datasheet?
Littelfuse publishes it: the Datasheet link on this page opens it.
Where can I order the SA85A?
JLCPCB lists it as part C1979220, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SA85A?
Parts like it in the library: the SMAJ85CA by MDD, the SMBJ85CA by hongjiacheng, the SMBJ85A by Shandong Jingdao Microelectronics and the 5.0SMDJ85CA by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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