Skip to the content
PCBKitNew board
1N8155US on a board, in 3D

1N8155US

Microchip Technology

-55℃~+175℃ 12V 13.8V 150W@10/1000us 1uA 20.2V 4pF 7.42A IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS Unidirectional MELF-SQ(A) ESD and Surge Protection (TVS/ESD)

Extended
DatasheetJLCPCBLCSCmicrochip/1N8155US
Category
ESD And Surge Protection (TVS, ESD)
Package
MELF-SQ(A)
Pins
2

Overview

The 1N8155US is an ESD And Surge Protection made by Microchip Technology in a MELF-SQ(A) package with 2 pins. -55℃~+175℃ 12V 13.8V 150W@10/1000us 1uA 20.2V 4pF 7.42A IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS Unidirectional 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:SQ-MELF_BD2.5-L5.1-BI, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2629794).

Symbol

Device:D_TVSFrom KiCad's library

Footprint

12
EasyEDA_Cloud:SQ-MELF_BD2.5-L5.1-BIFrom EasyEDA

Parameters

4
Breakdown Voltage
13.8V
Maximum Clamping Voltage
20.2V
Reverse Stand-Off Voltage (Vrwm)
12V
Type
TVS

Order codes

1

Pinout

2
The pins of the 1N8155US
PinNameType
1A1Passive
2A2Passive

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/microchip/1N8155US" title="1N8155US in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/microchip/1N8155US.jpg" alt="1N8155US" width="1200" height="900">
A picture that opens the part, for a README
[![1N8155US](https://pcbkit.io/embed/parts/microchip/1N8155US.jpg?size=s)](https://pcbkit.io/parts/microchip/1N8155US)

Questions

Is there a KiCad symbol and footprint for the 1N8155US?

Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:SQ-MELF_BD2.5-L5.1-BI, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 1N8155US?

MELF-SQ(A), with 2 pins. Its footprint is drawn on this page.

Where is the 1N8155US datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the 1N8155US?

JLCPCB lists it as part C2629794, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 1N8155US?

Parts like it in the library: the SMF12CA by hongjiacheng, the SMF12A by hongjiacheng, the H12VL10B by hongjiacheng and the PSM712-LF-T7 by PROTEK. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8