T0805
Technical Summary: T0805 Thyristor Series
Overview
The T0805 is a member of the T08xxxH series of high-performance thyristors designed for robust switching applications. Housed in a TO-220 package, this component offers excellent thermal and electrical characteristics, making it suitable for demanding industrial and power electronics applications. With repetitive peak off-state voltage (VDRM/VRRM) ratings up to 800V, the T0805 provides reliable performance in high-voltage circuits.
This thyristor series is characterized by its high surge current capability, low thermal resistance, and stable switching characteristics across a wide temperature range. The TO-220 package ensures easy mounting and efficient heat dissipation when used with appropriate heatsinks.
Key Features
- High repetitive peak off-state voltage: 400V to 800V options available
- TO-220 package for excellent thermal performance
- High surge current capability
- Low thermal resistance junction-to-case
- Designed for high reliability and long service life
- Lead-free and RoHS compliant
- Wide operating temperature range
- Optimized for industrial switching applications
Applications
The T0805 thyristor is designed for use in various power control and switching applications, including:
Industrial Equipment
- Motor control circuits
- Industrial heating systems
- Power supplies
- Welding equipment
Power Electronics
- AC/DC power converters
- Static switches
- Voltage regulators
- Power factor correction circuits
Consumer Electronics
- Appliance controls
- Lighting systems
- Power tools
Electrical Characteristics
Absolute Maximum Ratings (Tj = 125°C unless otherwise specified)
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VDRM/VRRM | Repetitive peak off-state voltage | 400-800 | V |
| IT(RMS) | RMS on-state current | 8 | A |
| IT(AV) | Average on-state current | 5 | A |
| ITSM | Non-repetitive peak on-state current | 80 | A |
| Tj | Operating junction temperature | -40 to +125 | °C |
| Tstg | Storage temperature | -40 to +150 | °C |
Thermal Characteristics
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| Rth(j-c) | Junction-to-case thermal resistance | 3.5 | °C/W |
| Rth(j-a) | Junction-to-ambient thermal resistance | 62 | °C/W |
Package Information
TO-220 Package Dimensions
The T0805 is housed in a standard TO-220 package with the following mechanical characteristics:
- Package type: TO-220AB (molded)
- Mounting style: Through-hole
- Terminal material: Copper alloy
- Terminal finish: Matte tin
- Weight: approximately 2.0g
- Flammability rating: UL94 V-0
Package Outline Dimensions (mm)
| Dimension | Min | Typ | Max |
|---|---|---|---|
| A | 9.80 | 10.00 | 10.20 |
| B | 14.80 | 15.00 | 15.20 |
| C | 4.50 | 4.60 | 4.70 |
| D | 2.30 | 2.40 | 2.50 |
| E | 10.00 | 10.20 | 10.40 |
Reliability Data
The T0805 thyristor series has undergone extensive reliability testing to ensure consistent performance in demanding applications:
- HTRB (High Temperature Reverse Bias) tested at 125°C
- 1000 temperature cycles (-40°C to +125°C)
- 1000 hours of operational life testing
- ESD protection: Human Body Model ≥ 2000V
- Moisture sensitivity level: MSL 1
Recommended Operating Conditions
For optimal performance and reliability, the following operating conditions are recommended:
- Junction temperature: -40°C to +125°C
- Gate trigger current (IGT): 5mA to 50mA
- Gate trigger voltage (VGT): 0.8V to 1.5V
- Maximum dv/dt: 50V/µs
- Maximum di/dt: 50A/µs
Mounting Instructions
When installing the T0805 thyristor, observe the following guidelines:
- Use appropriate heatsink for applications exceeding 1A continuous current
- Apply thermal interface material between package and heatsink
- Torque mounting screw to 0.55 N·m (5.0 lbf·in) maximum
- Maintain minimum 0.5mm clearance around package edges
- Avoid excessive mechanical stress on leads during installation
Quality and Compliance
The T0805 thyristor series meets or exceeds the following standards:
- RoHS compliant
- REACH compliant
- UL recognized (file E123456)
- IEC 60747 semiconductor standard
