Overview
The CH412Z is an ESD And Surge Protection made by WCH (Nanjing Qinheng Microelectronics) in a SOT-353 package with 5 pins. 20V 20pF 3.3V 5A 6V 8uA ESD Four channels IEC 61000-4-2 SOT-353 ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH412Z, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-353_SC-70-5, from KiCad's library), ready for a KiCad board. 957 are in stock at JLCPCB (part C89185).
Symbol
Footprint
Parameters
11- Clamping Voltage
- 20V
- Junction Capacitance
- 20pF
- Number of Channels
- Four channels
- Operating Temperature
- -40℃~+125℃
- Peak Pulse Current (Ipp)
- 5A
- Polarity
- Bidirectional
- Reverse Leakage Current (Ir)
- 1uA
- Reverse Stand-Off Voltage (Vrwm)
- 3.3V
- Type
- ESD
- Voltage - Breakdown
- 6V
- level of protection
- IEC 61000-4-2
Order codes
1- CH412ZLCSC C89185
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | GND | Unspecified |
| 3 | 3 | Unspecified |
| 4 | 4 | Unspecified |
| 5 | 5 | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/wch/CH412Z" title="CH412Z in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/wch/CH412Z.jpg" alt="CH412Z" width="1200" height="900">[](https://pcbkit.io/parts/wch/CH412Z)Questions
Is there a KiCad symbol and footprint for the CH412Z?
Yes. The symbol is EasyEDA_Cloud:CH412Z and the footprint Package_TO_SOT_SMD:SOT-353_SC-70-5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH412Z?
SOT-353, with 5 pins. Its footprint is drawn on this page.
Where is the CH412Z datasheet?
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
Where can I order the CH412Z?
JLCPCB lists it as part C89185, with 957 in stock; the sellers' links on this page open their listings.
What can replace the CH412Z?
Parts like it in the library: the PESD3V3L4UG by Nexperia, the PESD3V3L4UG by TECH PUBLIC, the D1213A-02S by Diodes Incorporated and the PESD3V3L4UG by Leiditech. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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8
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SC-70-5-55℃~+125℃ 0.3pF、0.45pF 100nA 11V、14V 2 3.3V 4.2V 80W@8/20us IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 SC-70-5 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)SD3.3V35T-4L
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