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BT134W-600E

WeEn/NXP 4A 600V sensitive-gate triac, SOT-223, 5mA IGT (E grade), three-quadrant

6506

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Pieza del fabricante：

BT134W-600E

Paquete：

SOT-223 (W suffix, Tab=MT1)

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The BT134W-600E from WeEn/NXP is a 4A RMS, 600V three-quadrant triac in a compact SOT-223 surface-mount package. With its high-sensitivity E-grade gate (5mA IGT), this device is specifically designed for direct drive from low-power microcontrollers and digital logic circuits in space-constrained AC switching applications.

Especificaciones

Repetitive Off-State Voltage (VDRM) 600V
RMS On-State Current (ITRMS) 4A
Non-Repetitive Surge Current (ITSM) 25A (50Hz, 10ms)
Gate Trigger Current (IGT) 5mA (E sensitivity)
On-State Voltage (VTM) 1.6V max @ 5.6A
Holding Current (IH) 10mA (typical)
dv/dt (Off-State) 200V/us min
Thermal Resistance (Rth j-a) 70C/W (SOT-223)
Temperatura de funcionamiento -40C ~ +125C

Características

  • Ultra-sensitive 5mA gate trigger current for direct MCU drive
  • Three-quadrant triggering for enhanced noise immunity
  • Compact SOT-223 surface-mount package
  • Low holding current of 10mA typical
  • High blocking voltage of 600V for mains-connected applications

Aplicaciones

  • Light dimmers for incandescent and LED-compatible loads
  • Static AC switches driven by microcontrollers
  • Small motor speed control
  • Heater and appliance control
  • Electromagnetic valve and solenoid drivers

The BT134W-600E from WeEn (formerly NXP) is a 4A RMS three-quadrant triac rated at 600V in a surface-mount SOT-223 package. The E-sensitivity gate grade requires only 5mA of trigger current, enabling direct drive from microcontroller GPIO pins without additional driver transistors. This makes the BT134W-600E particularly attractive for compact, cost-sensitive designs where PCB area and component count must be minimized. The three-quadrant triggering characteristic avoids false turn-on in quadrant IV, providing improved immunity to dv/dt transients compared to four-quadrant triacs. With a holding current of only 10mA, the device remains latched at low load currents, simplifying dimmer and controller design.

The BT134W-600E operates as a bidirectional AC switch with gate control. When a gate trigger current of 5mA or greater flows between the Gate and MT1 terminals, the triac latches into conduction in one or more operating quadrants. The three-quadrant characteristic means the device triggers in Quadrants I, II, and III but not in Quadrant IV (MT2 negative, Gate positive), which is the most susceptible to false triggering from dv/dt. Once triggered, the triac remains conducting until the load current falls below the holding current (IH = 10mA) at each AC zero crossing. The SOT-223 package provides thermal management through the tab connected to MT1, which is typically the grounded or neutral terminal.

Pin Nombre Función
1 Puerta Gate Trigger Input
2 MT1 Main Terminal 1 (connected to Tab)
3 MT2 Main Terminal 2
Pestaña MT1 Main Terminal 1 / Thermal Pad
  • Light dimmers: Phase-angle control of incandescent lamps and LED-compatible dimmable bulbs with direct MCU gate drive at 5mA
  • Static AC switches: Replace mechanical relays in appliance control with silent, bounce-free switching up to 4A RMS
  • Small motor control: Speed regulation of shaded-pole and universal motors in fans and blowers
  • Heater control: Proportional power control of small resistive heating elements up to 800W at 220V
  • Solenoid drivers: Switch electromagnetic valves and actuators in white goods and HVAC systems
Modelo Marca Current IGT Paquete
Z0103MN ST 0.8A 5mA SOT-223
BT134-600E WeEn 4A 5mA TO-220
MAC97A8 onsemi 0.6A 5mA TO-92
Z0603MF ST 0.6A 5mA SOT-223
BTA06-600CW ST 6A 35mA TO-220
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