
Overview
The SA45A is an ESD And Surge Protection made by Littelfuse in a DO-15(DO-204AC) package with 2 pins. -65℃~+175℃ 1uA 45V 500W@10/1000us 50V 72.7V 7A IEC 61000-4-2、IEC 61000-4-4 TVS 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 C1979103).
Symbol
Footprint
Parameters
11- Clamping Voltage
- 72.7V
- Number of Channels
- 1
- Operating Temperature
- -65℃~+175℃
- Peak Pulse Current (Ipp)
- 7A
- Peak Pulse Power Dissipation (Ppp)
- 500W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 1uA
- Reverse Stand-Off Voltage (Vrwm)
- 45V
- Type
- TVS
- Voltage - Breakdown
- 50V
- level of protection
- IEC 61000-4-4;IEC 61000-4-2
Order codes
1- SA45ALCSC C1979103
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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<iframe src="https://pcbkit.io/embed/parts/littelfuse/SA45A" title="SA45A 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/SA45A.jpg" alt="SA45A" width="1200" height="900">[](https://pcbkit.io/parts/littelfuse/SA45A)Questions
Is there a KiCad symbol and footprint for the SA45A?
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 SA45A?
DO-15(DO-204AC), with 2 pins. Its footprint is drawn on this page.
Where is the SA45A datasheet?
Littelfuse publishes it: the Datasheet link on this page opens it.
Where can I order the SA45A?
JLCPCB lists it as part C1979103, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SA45A?
Parts like it in the library: the 5.0SMDJ45CA/TR13 by Brightking, the SMCJ45CA by hongjiacheng, the SMBJ45A by hongjiacheng and the SMAJ45A by AnBon. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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