# HMBT3904 (Component)

## Description

Single Bipolar Transistors
HMBT3904
SOT\-23\-3\_L2\.9\-W1\.3\-P1\.90\-LS2\.4\-BR
LCSC Part Number: C55127400
JLCPCB Part Class: Extended Part
Manufactured by DongChen\(东晨\) 

## Component Details

- **Owner:** lcsc
- **Created:** 10/5/2026
- **Last Updated:** 10/5/2026
- **Visibility:** Public
- **Package or Case Code:** SOT\-23\-3\_L2\.9\-W1\.3\-P1\.90\-LS2\.4\-BR
- **Product Info Url:** https://www\.lcsc\.com/product\-detail/C55127400\.html
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/283a68e5878a501757ec08b3b61d82d3f6397d24090c22cedaae6b16279340c1\.pdf
- **LCSC Part Number:** C55127400
- **Manufacturer Name:** DongChen\(东晨\)
- **Standard Symbol:** NPN Transistor
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Part Number:** HMBT3904
- **Part Type:** Transistor

- **Part Type:** Transistors
- **Sub-Type:** Bipolar
- **MPN:** HMBT3904
- **Mount Type:** PCB
- **Package / Case Code:** SOT\-23
- **Pin Count:** 3
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | B | Input |
| 2 | E | Input |
| 3 | C | Input |

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*Generated from [https://flux\.ai/lcsc/hmbt3904\~31gu](https://flux.ai/lcsc/hmbt3904~31gu)*