BUW85Manufacturer: PHI Silicon diffused power transistors | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| BUW85 | PHI | 15 | In Stock |
Description and Introduction
Silicon diffused power transistors The BUW85 is a high-voltage NPN power transistor manufactured by PHI (formerly Philips). Here are its key specifications:
- **Collector-Emitter Voltage (VCE)**: 850V   These specifications are based on PHI's datasheet for the BUW85 transistor. |
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Application Scenarios & Design Considerations
Silicon diffused power transistors# Technical Documentation: BUW85 High-Voltage NPN Power Transistor
 Manufacturer : PHI (Philips Components, now part of Nexperia or other successor entities)   --- ## 1. Application Scenarios (≈45% of content) ### Typical Use Cases -  Switch-Mode Power Supplies (SMPS) : Employed in the primary-side switching stage of offline flyback, forward, and half-bridge converters, typically in 200–400 VDC input ranges. ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  --- ## 2. Design Considerations (≈35% of content) ### Common Design Pitfalls and Solutions 2.  Inductive Voltage Spikes    3.  Storage Time Delay    4.   |
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| Partnumber | Manufacturer | Quantity | Availability |
| BUW85 | PHILIPS | 100 | In Stock |
Description and Introduction
Silicon diffused power transistors The BUW85 is a high-voltage NPN power transistor manufactured by PHILIPS. Below are its key specifications:
- **Collector-Emitter Voltage (VCEO)**: 850V   Package: TO-3 (metal can).   These specifications are based on PHILIPS' datasheet for the BUW85 transistor. |
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Application Scenarios & Design Considerations
Silicon diffused power transistors# Technical Documentation: BUW85 High-Voltage NPN Power Transistor
## 1. Application Scenarios ### 1.1 Typical Use Cases -  Switched-mode power supplies (SMPS) : Particularly in flyback and forward converter topologies operating at line voltages (85-265VAC) ### 1.2 Industry Applications #### Power Electronics #### Consumer Electronics #### Industrial Automation ### 1.3 Practical Advantages and Limitations #### Advantages: #### Limitations: ## 2. Design Considerations ### 2.1 Common Design Pitfalls and Solutions #### Pitfall 1: Inadequate Base Drive  Solution :  #### Pitfall 2: Voltage Spikes from Inductive Loads  Solution : #### Pitfall 3: Thermal Management Issues  Solution : |
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