产品概览
BC847B from NXP is a general-purpose NPN transistor in SOT-23. 45V VCEO, 100mA IC, hFE 200-450 (B suffix). Common small-signal BJT for switching and amplification.
工作原理
Bipolar NPN transistor. Base current controls collector current (IC = hFE x IB). B suffix indicates medium gain bin (200-450). SOT-23 for surface mount. Universal small-signal transistor.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | 基地 | 基地 |
| 2 | 发射器 | 发射器 |
| 3 | 收藏家 | 收藏家 |
应用
- General-purpose switching
- Signal amplification
- LED driver
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| 恩智浦 | BC847A | Lower gain |
| 恩智浦 | BC847C | Higher gain |