# SMBJ12A-HRA (Component)
## Description
TVS
SMBJ12A-HRA
SMB_L4.3-W3.6-LS5.4-R-RD
LCSC Part Number: C1977456
JLCPCB Part Class: Extended Part
Manufactured by Littelfuse(美国力特)
Description:
SMBJ-HRA Series high-reliability transient voltage suppressor (TVS) diode, surface-mount surge protection device designed to protect sensitive electronic circuits from lightning-induced and other transient overvoltage events. 600W peak pulse power capability (10/1000µs waveform), low clamping voltage, fast response time (<1ps), low leakage current (<1µA above 12V), IEC 61000-4-2 ESD protection, IEC 61000-4-4 EFT protection, operating temperature range -65°C to +150°C, SMB package, suitable for power, data, communication and industrial protection applications.
Search Keywords:
SMBJ-HRA, SMBJ HRA, High Reliability TVS Diode, SMB TVS Diode, 600W TVS, Transient Voltage Suppressor, Surge Protection Diode, Unidirectional TVS, Bidirectional TVS, IEC61000-4-2 TVS, IEC61000-4-4 TVS, Lightning Protection Diode, SMB Package TVS, High Reliability Protection Diode
Hashtags:
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#UnidirectionalTVS
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#CircuitProtection
#OvervoltageProtection
#SMBJSeries
## Component Details
- **Owner:** lcsc
- **Created:** 11/4/2024
- **Last Updated:** 6/4/2026
- **Visibility:** Public
- **Manufacturer Name:** Littelfuse(美国力特)
- **LCSC Part Number:** C1977456
- **Manufacturer Part Number:** SMBJ12A-HRA
- **Part Type:** TVS
- **Datasheet URL:** https://www.lcsc.com/datasheet/C1977456.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RXVVdVRVReUzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- **JLCPCB Part Class:** Extended Part
- **Package or Case Code:** SMB_L4.3-W3.6-LS5.4-R-RD
- **Used in:** 25 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/smbj12a-hra/littelfuse.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C1977456.html) | $7.837 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Littelfuse/SMBJ12A-HRA?qs=Lj1LZLjqIN2oR5kZ%252BnpphQ%3D%3D) | N/A | N/A |
- **Part Type:** Circuit Protection Devices
- **Manufacturer:** Littelfuse
- **MPN:** SMBJ12A-HRA
- **Mount Type:** Surface Mount
- **Package / Case Code:** TO
- **Pin Count:** 2
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | A | |
| 2 | K | |
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*Generated from [https://www.flux.ai/lcsc/smbj12a-hra~ym3b](https://www.flux.ai/lcsc/smbj12a-hra~ym3b)*