BC546B – DIOTEC
65 V, 0.1 A NPN BJT, TO‑92 Package
Stock Quantity: 5876
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.06 |
| 10+ | |
| 50+ | |
| 100+ |
5876 in stock
Contact us for volume pricing
- Same day shipping if ordered before 14.00 GMT
- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
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Overview
The onsemi BC546B is a general-purpose NPN bipolar junction transistor (BJT) designed for linear amplification and switching applications. Its critical operational characteristic lies in its moderate current gain (hFE) and respectable gain-bandwidth product (fT), enabling it to function effectively in audio frequency circuits and low-power signal processing. A key design consideration when utilizing the BC546B is managing its collector-emitter saturation voltage (VCE(sat)), which, while relatively low at 300mV, can impact efficiency in high-speed switching scenarios where minimizing power dissipation is paramount.
Key Features
- NPN Bipolar Junction Transistor (BJT)
- Maximum DC Collector Current (IC): 100 mA
- Collector-Emitter Voltage (VCEO): 65 V
- DC Collector/Base Gain (hFE): 200 (minimum)
- Gain Bandwidth Product (fT): 300 MHz
- Through-Hole Mounting, TO-92-3 Package (5.33mm H x 5.2mm L x 4.19mm W)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Low-frequency audio amplification stages
- General-purpose signal switching in control circuits
- Driver stages for small relays and LEDs
- Bias circuitry in analog signal conditioning modules
