# BZX84B4V3 (Component)

## Description

Zener Diode 4\.3 V 300 mW ±2% Surface Mount SOT\-23 \(TO\-236\)

## Component Details

- **Owner:** digikey
- **Created:** 10/30/2026
- **Last Updated:** 10/30/2026
- **Visibility:** Public
- **Part Type:** Diode
- **Product Info Url:** https://www\.digikey\.com/en/products/detail/diotec\-semiconductor/BZX84B4V3/22190305
- **Manufacturer Part Number:** BZX84B4V3
- **Product Image Url:** https://mm\.digikey\.com/Volume0/opasdata/d220001/medias/images/7962/MFG\_4878%7ESOT23\-3%7E%7E3\.jpg
- **Package or Case Code:** TO\-236\-3, SC\-59, SOT\-23\-3
- **Digi\-Key Part Number:** 4878\-BZX84B4V3CT\-ND
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/4a9bd8820d67455fbca07c3ef214c315933ceade8e038c05b4e2ce20f2ebd8bf\.pdf
- **Manufacturer Name:** Diotec Semiconductor
- **Mount:** Surface Mount
- **Power Rating:** 300mW
- **Tolerance:** 2%

## 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/bzx84b4v3/diotec-semiconductor-ag.html?utm_currency=USD&region=asia) | $0\.079 | 0 |
| [Digi\-Key](https://www.digikey.com/en/products/detail/diotec-semiconductor/BZX84B4V3/22190305) | $0\.19 | 3K |
| [LCSC](https://www.lcsc.com/product-detail/C51315245.html) | $0\.0329 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Diotec-Semiconductor/BZX84B4V3?qs=Y0Uzf4wQF3mAsm4itbqKpg%253D%253D) | $0\.19 | 5\.6K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=BZX84B4V3-DIO) | $0\.23 | 3K |
| [Verical](https://www.verical.com/pd/diotech-electronics-corporation-zener-BZX84B4V3-13440682?utm_currency=USD) | N/A | N/A |

- **Part Type:** Diodes
- **Sub-Type:** Zener
- **MPN:** BZX84B4V3
- **Mount Type:** Surface Mount
- **Package / Case Code:** SOT\-23
- **Pin Count:** 3
- **Reverse Voltage:** 4\.3V
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | A | Unspecified |
| 2 | NC | Not Connected |
| 3 | K | Unspecified |

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*Generated from [https://flux\.ai/digikey/bzx84b4v3\~wt](https://flux.ai/digikey/bzx84b4v3~wt)*