Overview
The CJSMCJ78A is an ESD And Surge Protection made by Jiangsu Changjing Electronics Technology (CJ) in a SMCG package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library), ready for a KiCad board. 2,415 are in stock at JLCPCB (part C7499216).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
9- Clamping Voltage
- 124.7V
- Number of Channels
- Single-channel
- Peak Pulse Current (Ipp)
- 11.9A@10/1000us
- Peak Pulse Power Dissipation (Ppp)
- 1.5kW@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 5uA
- Reverse Stand-Off Voltage (Vrwm)
- 78V
- Type
- TVS
- Voltage - Breakdown
- 95.73V
Order codes
1- CJSMCJ78ALCSC C7499216
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
Questions
Is there a KiCad symbol and footprint for the CJSMCJ78A?
Yes. The symbol is Device:D_TVS, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CJSMCJ78A?
SMCG, with 2 pins.
Where is the CJSMCJ78A datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the CJSMCJ78A?
JLCPCB lists it as part C7499216, with 2,415 in stock; the sellers' links on this page open their listings.
What can replace the CJSMCJ78A?
Parts like it in the library: the SMCJ78A by hongjiacheng, the SMAJ78A by BORN, the SMAJ78A/TR13 by Brightking and the SMAJ78CA/TR13 by Brightking. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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