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Toshiba TLX9161T AEC-Q101 Photocoupler/Photorelay

Toshiba TLX9161T AEC-Q101-Qualified Photocoupler/Photorelay is designed for automotive and industrial applications requiring high reliability and electrical isolation. Housed in a compact SO12L-T package, the Toshiba TLX9161T integrates a high-output infrared LED and a MOSFET output stage, enabling solid-state switching with low on-resistance and high isolation voltage (5000VRMS). A low input drive current (3mA maximum) and high common-mode transient immunity (CMTI) enhance performance in noisy environments, while compliance with automotive standards ensures long-term durability and safety in harsh conditions. This device is ideal for switching signals or low-power loads in battery management systems (BMS) and EV charging circuits. 

Features

  • AEC-Q101 qualified
  • Normally opened (1-Form-A)
  • 1500V minimum peak off-state voltage
  • 3mA maximum trigger LED current
  • 30mA maximum ON-state current
  • 500Ω maximum ON-state resistance (at t < 1s)
  • 5000VRMS minimum isolation voltage
  • 8mm minimum creepage/clearance distance
  • 0.4mm minimum insulation thickness
  • CTI > 600 outer resin
  • SO12L-T surface mount package, 7.76mm x 10mm x 2.45mm

Applications

  • Battery control in automotive equipment
  • Fuel battery control in automotive equipment
  • Electric Vehicles (EVs)

Specifications

  • Recommended operating conditions
    • 1000V maximum supply voltage
    • 5mA to 20mA input forward current
    • 30mA maximum ON-state current
  • LED
    • 30mA maximum input forward current
    • -0.8mA/°C maximum input forward current derating
    • 5V maximum input reverse voltage
    • 50mW maximum input power dissipation
    • -1.3mW/°C maximum input power dissipation derating
  • 5000VRMS maximum isolation voltage
  • Detector
    • 6mA to 30mA maximum ON-state current range
    • -0.3mA/°C maximum ON-state current derating
    • 18mA to 90mA maximum peak ON-state current range
    • 0.6mA maximum Avalanche current
    • 600mW maximum output power dissipation
    • -7mW/°C maximum output power dissipation derating
  • Electrical
    • LED
      • 1.4V to 1.95V input forward voltage
      • 10µA maximum input reverse current
      • 45pF typical input capacitance
    • Detector
      • 1500V minimum output withstand voltage
      • 100nA to 5000nA OFF-state current range
      • 60pF typical output capacitance
  • Coupled electrical
    • 3mA maximum trigger LED current
    • 0.05mA minimum return LED current
    • 500Ω to 800Ω maximum ON-state resistance range
  • Isolation
    • 0.9pF typical total capacitance (input-to-output)
    • 1014Ω typical isolation resistance
  • Switching
    • 1ms maximum turn-on time, 0.1ms typical
    • 1ms maximum turn-off time, 0.07ms typical
  • Temperatures
    • +135°C maximum junction temperature
    • -40°C to +125°C operating range
    • +260°C maximum led soldering temperature

Resources

Packaging and Pin Assignment

Mechanical Drawing - Toshiba TLX9161T AEC-Q101 Photocoupler/Photorelay

Internal Circuit

Mechanical Drawing - Toshiba TLX9161T AEC-Q101 Photocoupler/Photorelay

Switching Time Test Circuit and Waveform

Mechanical Drawing - Toshiba TLX9161T AEC-Q101 Photocoupler/Photorelay

Dimensions: mm

Mechanical Drawing - Toshiba TLX9161T AEC-Q101 Photocoupler/Photorelay
Published: 2025-07-29 | Updated: 2025-08-08