BTA26-600B 25A 600V TRIAC TO-247

BTA26-600B 25A 600V TRIAC TO-247
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  • Product Code:SQ7143
  • Availability: 1000
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Tags: TRIAC, BTA26, 25A TRIAC, 600V TRIAC, TO-247, power switch, power control TRIAC

The BTA26600B is a 25A, 600V TRIAC from STMicroelectronics, supplied in a TO-247 through-hole package. It is designed for AC power switching and phase control in industrial, consumer, and lighting applications. The device features a 600V repetitive peak off-state voltage (VDRM/VRRM) and a 25A RMS on-state current, with a non-repetitive surge peak on-state current (ITSM) of 260A at 50Hz, allowing it to withstand short-term overloads. The gate trigger current (IGT) is 50mA and the gate trigger voltage (VGT) is 1.3V, enabling direct triggering from common logic-level control circuits. A holding current (Ih) of 80mA ensures stable conduction once triggered, and the device operates over a junction temperature range of -40°C to +125°C. The TO-247 package provides good thermal performance and is compatible with standard heatsink mounting, making the BTA26600B suitable for AC motor control, dimmer circuits, solid-state relays, power supplies, and home appliance control. This 25A 600V TRIAC is a practical choice for engineers designing reliable AC switching stages in compact power assemblies.

Power control TRIAC Application

  1. AC motor speed and phase control
  2. Dimmer and lighting control circuits
  3. Solid-state relays and AC switches
  4. Industrial power control and automation
  5. Home appliance and white goods control
  6. Power supplies and battery chargers

Power control TRIAC Specifications

  1. Model: BTA26600B
  2. Manufacturer: STMicroelectronics
  3. Device Type: TRIAC (triode for alternating current)
  4. Package: TO-247 (through-hole; some sources also list TOP-3)
  5. Repetitive Peak Off-State Voltage (VDRM/VRRM): 600V
  6. RMS On-State Current (IT(RMS)): 25A
  7. Non-Repetitive Surge Peak On-State Current (ITSM): 260A at 50Hz, 250A at 60Hz (values vary by source)
  8. Gate Trigger Current (IGT): 50mA (standard triggering; some distributors list 100mA for specific variants)
  9. Gate Trigger Voltage (VGT): 1.3V (some sources list 1.5V)
  10. Holding Current (Ih): 80mA (some sources list 75mA)
  11. On-State Voltage (VTM): 1.55V–1.7V (depending on test conditions)
  12. Junction Temperature Range (Tj): -40°C to +125°C
  13. Mounting: Through-hole, heatsink-compatible
  14. Insulation: Insulated tab rated at 2500V RMS (per BTA series characteristics)
Component Features
Package TO-3P
Pin Number 3 Pin
Triac Parameters
VRRM 600V, 700V, 800V
VDRM 600V, 700V, 800V
IT 25A rms
ITSM 260A
TJ 125 ℃
IGT 50mA
VGT 1.5V

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