Description

GDT 1800/16 (N1802NC160) 1600V 1800A Phase Control Thyristor

The GDT 1800/16 (N1802NC160) is a high-power phase control thyristor engineered for demanding industrial power control applications requiring exceptional current handling, high voltage capability, and reliable switching performance. Rated at 1600V and 1800A average on-state current, this device is ideal for controlled rectifiers, industrial DC drives, soft starters, marine propulsion, railway traction, renewable energy converters, and heavy-duty power supplies.

Designed with a robust W11 package featuring an isolated copper baseplate, the GDT 1800/16 provides excellent thermal performance and long-term reliability. Its fast switching characteristics, high surge current capability, and low on-state voltage minimise power losses while ensuring dependable operation under demanding electrical conditions.

The device also offers high dv/dt capability, excellent thermal characteristics, and simple installation using two-hole screw mounting and M4 terminal connections, making it suitable for both new equipment and replacement applications.

Key Features

• High power phase control thyristor
• 1600V repetitive peak off-state voltage
• 1800A average on-state current
• W11 package with isolated copper baseplate
• Fast switching performance for efficient power control
• Low on-state voltage for reduced power losses
• High surge current capability
• Excellent thermal conductivity for high-power applications
• High dv/dt withstand capability
• Two-hole screw mounting for secure installation
• M4 gate terminal connections
• Suitable for double-sided or single-sided cooling

Technical Specifications

Electrical Ratings

• Repetitive peak off-state voltage (VDRM):
  • 1600V
• Non-repetitive peak off-state voltage (VDSM):
  • 1600V
• Repetitive peak reverse voltage (VRRM):
  • 1600V
• Non-repetitive peak reverse voltage (VRSM):
  • 1700V

Current Ratings

• Average on-state current:
  • 1802A @ Heatsink 55°C (double-sided cooling)
• Average on-state current:
  • 1216A @ Heatsink 85°C (double-sided cooling)
• Average on-state current:
  • 718A @ Heatsink 85°C (single-sided cooling)
• RMS on-state current:
  • 3592A
• DC on-state current:
  • 3033A

Surge Ratings

• Peak non-repetitive surge current:
  • 29.6kA (10ms)
• Peak surge current (low reverse voltage):
  • 32.5kA (10ms)
• I²t rating:
  • 4.38 × 10⁶ A²s
• Maximum I²t:
  • 5.28 × 10⁶ A²s

Gate Characteristics

• Gate trigger voltage (VGT):
  • 3.0V maximum
• Gate trigger current (IGT):
  • 300mA maximum
• Peak reverse gate voltage:
  • 5V
• Mean gate power:
  • 4W
• Peak gate power:
  • 30W
• Non-trigger gate voltage:
  • 0.25V

Switching Performance

• Maximum repetitive di/dt:
  • 500A/µs
• Maximum non-repetitive di/dt:
  • 1000A/µs
• Critical dv/dt:
  • 1000V/µs

Electrical Characteristics

• Maximum on-state voltage (VTM):
  • 1.29V
• Threshold voltage (VT0):
  • 0.855V
• Slope resistance:
  • 0.171mΩ
• Peak off-state current:
  • 100mA
• Peak reverse current:
  • 100mA
• Holding current:
  • 1000mA

Thermal Characteristics

• Junction to heatsink thermal resistance:
  • 0.024 K/W (double-sided cooling)
  • 0.048 K/W (single-sided cooling)

Temperature Ratings

• Operating junction temperature:
  • -40°C to +125°C
• Storage temperature:
  • -40°C to +150°C

Mechanical

Package

• W11 isolated copper baseplate

Mounting Force

• 19–26kN

Weight

• 510g

Connections

• Two-hole screw fixing
• M4 gate terminal connections

Applications

Ideal for high-power industrial power conversion systems including:

• Industrial DC motor drives
• Controlled rectifiers
• Soft starters
• AC motor control
• Marine propulsion systems
• Railway traction equipment
• Wind power converters
• Electrochemical power supplies
• Industrial welding equipment
• High-power battery charging systems
• Static power converters
• Heavy industrial power control equipment

Alternate Part Numbers

This device can be used as an alternative for:

• N1802NS160
• N600CH14
• N600CH15
• N600CH16
• N600SH14
• N600SH15
• N600SH16