CJSMAJ78A

Jiangsu Changjing Electronics Technology (CJ)

Extended

Category: ESD And Surge Protection (TVS, ESD)
Package: SMAG
Pins: 2

Overview

The CJSMAJ78A is an ESD And Surge Protection made by Jiangsu Changjing Electronics Technology (CJ) in a SMAG package with 2 pins.

PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (EasyEDA_Cloud:SMAG_L4.3-W2.6-LS5.3-RD, from EasyEDA), ready for a KiCad board. 3,990 are in stock at JLCPCB (part C7499088).

Symbol

Device:D_TVSFrom KiCad's library

Footprint

EasyEDA_Cloud:SMAG_L4.3-W2.6-LS5.3-RDFrom EasyEDA

Parameters

Clamping Voltage: 124.7V
Number of Channels: Single-channel
Peak Pulse Current (Ipp): 3.2A@10/1000us
Peak Pulse Power Dissipation (Ppp): 400W@10/1000us
Polarity: Unidirectional
Reverse Leakage Current (Ir): 5uA
Reverse Stand-Off Voltage (Vrwm): 78V
Type: TVS
Voltage - Breakdown: 95.73V

Order codes

CJSMAJ78ALCSC C7499088

Pinout

The pins of the CJSMAJ78A
Pin	Name	Type
1	A1	Passive
2	A2	Passive

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A live frame, for any web page

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A picture

<img src="https://pcbkit.io/embed/parts/cj/CJSMAJ78A.jpg" alt="CJSMAJ78A" width="1200" height="900">

A picture that opens the part, for a README

[![CJSMAJ78A](https://pcbkit.io/embed/parts/cj/CJSMAJ78A.jpg?size=s)](https://pcbkit.io/parts/cj/CJSMAJ78A)

Questions

Is there a KiCad symbol and footprint for the CJSMAJ78A?

Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:SMAG_L4.3-W2.6-LS5.3-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CJSMAJ78A?

SMAG, with 2 pins. Its footprint is drawn on this page.

Where is the CJSMAJ78A datasheet?

Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.

Where can I order the CJSMAJ78A?

JLCPCB lists it as part C7499088, with 3,990 in stock; the sellers' links on this page open their listings.

What can replace the CJSMAJ78A?

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.