
Overview
The 1N8158US is an ESD And Surge Protection made by Microchip Technology in a MELF-SQ(A) package with 2 pins. -55℃~+175℃ 150W 17V 19V 27.7V 500nA IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS MELF-SQ(A) ESD and Surge Protection (TVS/ESD).
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (EasyEDA_Cloud:DIO-SMD_L5.4-W2.6-BI, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2629791).
Symbol
Footprint
Parameters
8- Clamping Voltage
- 27.7V
- Operating Temperature
- -55℃~+175℃
- Peak Pulse Power Dissipation (Ppp)
- 150W
- Reverse Leakage Current (Ir)
- 500nA
- Reverse Stand-Off Voltage (Vrwm)
- 17V
- Type
- TVS
- Voltage - Breakdown
- 19V
- level of protection
- IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Order codes
1- 1N8158USLCSC C2629791
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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Is there a KiCad symbol and footprint for the 1N8158US?
Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:DIO-SMD_L5.4-W2.6-BI, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N8158US?
MELF-SQ(A), with 2 pins. Its footprint is drawn on this page.
Where is the 1N8158US datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N8158US?
JLCPCB lists it as part C2629791, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N8158US?
Parts like it in the library: the SMF17CA by Shandong Jingdao Microelectronics, the SMAJ17A by LGE, the SMF17A by MDD and the MMBZ20VAL by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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