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T0-220 from T0-220

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T0-220

Manufacturer: T0-220

Fit Rate / Equivalent Device Hours

Partnumber Manufacturer Quantity Availability
T0-220,T0220 T0-220 144000 In Stock

Description and Introduction

Fit Rate / Equivalent Device Hours The TO-220 is a widely used through-hole transistor package known for its robustness and heat dissipation capabilities.  

### **Manufacturer**  
The TO-220 package is a standard design produced by multiple semiconductor manufacturers, including:  
- **STMicroelectronics**  
- **ON Semiconductor**  
- **Vishay**  
- **Infineon**  
- **Fairchild Semiconductor (now part of ON Semiconductor)**  
- **Texas Instruments**  

### **Specifications**  
- **Package Type:** Through-hole  
- **Mounting Style:** Vertical or horizontal  
- **Lead Count:** Typically 3 (some variants have more)  
- **Material:** Plastic (epoxy) with a metal tab for heat dissipation  
- **Dimensions (Approximate):**  
  - **Length:** 10.4 mm  
  - **Width:** 4.6 mm  
  - **Height:** 15.9 mm (including leads)  
- **Thermal Resistance (Junction-to-Case, RθJC):** ~3–5 °C/W (varies by device)  
- **Maximum Power Dissipation:** Typically 50W (depends on heatsink and ambient conditions)  
- **Operating Temperature Range:** -55°C to +150°C (varies by device)  

### **Descriptions and Features**  
- **Heat Dissipation:** Features an exposed metal tab that can be attached to a heatsink for improved thermal performance.  
- **Versatility:** Used for power transistors, voltage regulators, MOSFETs, and other high-power semiconductor devices.  
- **Mechanical Strength:** Robust construction suitable for industrial and automotive applications.  
- **Standardized Pinout:** Common pin configurations (e.g., Base-Collector-Emitter for BJTs, Gate-Drain-Source for MOSFETs).  
- **Wide Availability:** Compatible with many power devices from different manufacturers.  

The TO-220 remains a popular choice for medium-power applications due to its balance of size, cost, and thermal performance.

Application Scenarios & Design Considerations

Fit Rate / Equivalent Device Hours

Alternative Part Number

  • TO-220AB --: TO-220AB is the standardized JEDEC package designation for the TO-220 outline, widely available from Vishay and other makers as a direct package substitute.
  • TO-220-3 --: TO-220-3 explicitly denotes the 3-lead TO-220 package variant, commonly used by STMicroelectronics for power transistors and regulators.
  • TO-220F --: TO-220F is the fully isolated (plastic-encapsulated) TO-220 variant, a feasible alternative when isolation is needed, offered by Toshiba.

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