T25xxxH Series Thyristor Technical Summary

Overview

The T25xxxH series represents a family of high-performance thyristors designed for robust power control applications. These devices are manufactured using advanced semiconductor technology to deliver reliable switching performance in demanding environments. The series offers multiple voltage ratings in a standard TO-220 package, making it suitable for a wide range of industrial and commercial applications.

Key Features

• High repetitive peak off-state voltage (V_DRM/V_RRM) options: 400V, 600V, 700V, and 800V
• TO-220 package for excellent thermal performance
• Designed for high temperature operation (T_j = 125°C)
• Low leakage current in off-state
• High surge current capability
• Isolated tab option available for improved thermal management
• RoHS compliant

Applications

The T25xxxH series is ideally suited for:

• AC motor controls
• Lighting control systems
• Power supplies
• Heating control systems
• Industrial automation equipment
• Solid-state relays
• Power tools
• Appliance controls

Electrical Characteristics

Absolute Maximum Ratings

• Repetitive peak off-state voltage (V_DRM/V_RRM): 400V to 800V (depending on variant)
• Maximum RMS on-state current (I_T(RMS)): 25A
• Non-repetitive peak on-state current (I_TSM): 250A (10ms sine wave)
• Operating junction temperature range: -40°C to +125°C
• Storage temperature range: -40°C to +150°C

Thermal Characteristics

• Junction-to-case thermal resistance (R_thJC): 1.5°C/W
• Junction-to-ambient thermal resistance (R_thJA): 62°C/W
• Maximum power dissipation: 50W at T_case = 75°C

Static Characteristics

• Gate trigger current (I_GT): 5mA to 50mA (typical)
• Gate trigger voltage (V_GT): 0.8V to 1.5V (typical)
• Holding current (I_H): 5mA to 50mA
• On-state voltage (V_TM): 1.6V (typical at 25A)

Package Information

TO-220 Package Dimensions

• Package type: TO-220AB (isolated tab option available)
• Overall height: 16.0mm max
• Lead length: 12.7mm nominal
• Lead spacing: 2.54mm
• Mounting hole diameter: 3.5mm
• Package weight: 2.0g typical

Package Marking

The devices are marked with the following information:

• Part number (T25xxxH)
• Voltage rating (last three digits)
• Date code
• Manufacturer logo

Reliability Data

• MIL-STD-750 environmental test qualified
• High temperature reverse bias (HTRB) tested
• High temperature gate bias (HTGB) tested
• Temperature cycling tested (-40°C to +125°C)
• Moisture sensitivity level (MSL): Level 1

Recommended Operating Conditions

• Maximum case temperature: 110°C
• Recommended gate drive: 12V, 100mA pulse (minimum)
• Minimum load current for reliable triggering: 100mA
• Maximum dv/dt: 50V/μs
• Maximum di/dt: 50A/μs

Mounting Instructions

For optimal performance, follow these mounting guidelines:

• Use thermal compound between device and heatsink
• Recommended torque for mounting screw: 0.55 N·m to 0.8 N·m
• Ensure proper electrical isolation when using isolated tab version
• Maintain minimum creepage distances according to application voltage requirements
• Avoid excessive bending of leads during installation

Handling Precautions

• Observe ESD precautions during handling
• Store in anti-static packaging when not in use
• Do not exceed maximum ratings during operation
• Ensure proper heatsinking for high current applications
• Follow proper soldering guidelines (260°C max for 10 seconds)

Ordering Information

The devices are available in the following standard configurations:

• T25400H: 400V variant
• T25600H: 600V variant
• T25700H: 700V variant
• T25800H: 800V variant

Special configurations and tape/reel packaging are available upon request.