RoHS Compliant Taiwan Semiconductor BC547C A1G NPN Small Signal Transistor for Power Supply Designs
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Product Description
Product Overview
The BC546A/B/C to BC550A/B/C series are NPN small signal transistors from Taiwan Semiconductor. These transistors offer low power loss, high efficiency, and are ideal for automated placement with high surge current capability. They are RoHS compliant and suitable for applications such as switching mode power supplies (SMPS), adapters, lighting, and on-board DC/DC converters. The devices come in a TO-92 package with matte tin plated leads.
Product Attributes
- Brand: Taiwan Semiconductor
- Certifications: RoHS Compliant, UL 94 V-0 flammability rating
- Material: Molding compound
- Color: Green compound (halogen free) for "G" suffix
Technical Specifications
| Parameter | Symbol | BC546 | BC547, BC550 | BC548, BC549 | Unit | Conditions | |
| Collector-base voltage, emitter open | VCBO | 80 | 50 | 30 | V | Emitter open | |
| Collector-emitter voltage, base open | VCEO | 65 | 45 | 30 | V | Base open | |
| Emitter-base voltage, collector open | VEBO | 6 | 6 | 6 | V | Collector open | |
| Collector current | IC | 100 | mA | ||||
| Peak collector current | ICM | 200 | mA | ||||
| Collector cutoff current, emitter open | ICBO | 15 | nA | VCB = 30V | |||
| Emitter cutoff current, collector open | IEBO | 100 | nA | VEB = 5V | |||
| DC current gain | hFE | 220 - 800 | VCE = 5V, IC = 2mA | ||||
| Power dissipation | PD | 500 | mW | TA = 25C | |||
| Junction temperature | TJ | -65 to +150 | C | ||||
| Storage temperature | TSTG | -65 to +150 | C | ||||
| Parameter | Symbol | Group A | Group B | Group C | Unit | Conditions |
| DC current gain | hFE | 110 - 220 | 200 - 450 | 420 - 800 | VCE = 5V, IC = 2mA |
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