# BAS21\-HE3\_A\-18 (Component)

## Description

Diode 200 V 200mA Surface Mount SOT\-23\-3

## Component Details

- **Owner:** digikey
- **Created:** 11/2/2026
- **Last Updated:** 11/2/2026
- **Visibility:** Public
- **Manufacturer Name:** Vishay
- **Manufacturer Part Number:** BAS21\-HE3\_A\-18
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/a36c29019816ecdf5208dceba982023974b77b45adc7cbbe195d3d30aed58a17\.pdf
- **Part Type:** Diode
- **Package or Case Code:** TO\-236\-3, SC\-59, SOT\-23\-3
- **Digi\-Key Part Number:** 112\-BAS21\-HE3\_A\-18CT\-ND
- **Product Image Url:** https://mm\.digikey\.com/Volume0/opasdata/d220001/medias/images/4436/112%7ESOT23%7E%7E3\.JPG
- **Product Info Url:** https://www\.digikey\.com/en/products/detail/vishay\-general\-semiconductor\-diodes\-division/BAS21\-HE3\-A\-18/22145560
- **Forward Voltage:** 1\.25V
- **Mount:** Surface Mount
- **Reverse Voltage:** 200V

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Mouser](https://www.mouser.com/en/ProductDetail/Vishay-Semiconductors/BAS21-HE3_A-18?qs=Imq1NPwxi74ThGMFvFlPhQ%253D%253D) | $0\.41 | 40K |

- **Part Type:** Diodes
- **Sub-Type:** Other
- **Manufacturer:** Vishay
- **MPN:** BAS21\-HE3\_A\-18
- **Mount Type:** Surface Mount
- **Package / Case Code:** SOT\-23
- **Pin Count:** 3
- **Reverse Voltage:** 200V
- **Forward Voltage:** 1\.25V
## Pins

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

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*Generated from [https://flux\.ai/digikey/bas21\-he3a\-18\~ew](https://flux.ai/digikey/bas21-he3a-18~ew)*