VISHAY TCMT4600 Quad-Channel AC Input Optocoupler, 60mA, 3.75kV, 80% CTR

The VISHAY TCMT4600 is a high-performance, quad-channel optocoupler designed for reliable signal isolation in demanding electronic applications. It features a phototransistor output and is configured for AC input, providing a minimum Current Transfer Ratio (CTR) of 80%. This ensures efficient signal transfer and stable operation across a wide range of conditions.

Engineered for durability, the optocoupler offers a wide ambient temperature range and exhibits a low temperature coefficient for the CTR, maintaining consistent performance even with temperature fluctuations. A key characteristic is its exceptionally low typical coupling capacitance of just 0.3pF, which is critical for minimising noise and ensuring signal integrity in high-speed or sensitive circuits.

Applications

This component is ideally suited for industrial control systems and communications networking equipment, where galvanic isolation is required to protect sensitive circuitry from high voltages, ground loops, and electrical noise. Its robust design makes it a reliable choice for power supplies, motor drives, and data acquisition systems.

Specifications

• Channel Count: 4 independent channels
• Output Type: Phototransistor
• Input Type: AC
• Minimum CTR: 80%
• Maximum Forward Current: 60mA
• Isolation Voltage: 3.75kV
• Collector-Emitter Voltage (V_BRCEO): 70V
• Package Style: SOP (Small Outline Package)
• Pin Count: 16 pins
• Typical Coupling Capacitance: 0.3pF
• Special Feature: Low temperature coefficient of CTR

Housed in a compact SOP-16 package, the TCMT4600 provides a space-efficient isolation solution without compromising on performance or safety. Its high isolation voltage makes it a vital component for enhancing system reliability and user safety in a variety of industrial and communication.