VOM617A-1T

Transistor, Photovoltaic Output Optoisolators Overview

The VOM617A-1T is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and provides 3750Vrms isolation voltage. The device operates within a temperature range of -55°C to +110°C and utilizes a 4-SOP surface-mount package. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum collector current of 100mA, and a forward voltage of 1.6V at 5mA forward current. The current transfer ratio ranges from 40% to 80%, with rise and fall times of 7µs and 12µs respectively.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes a GaAs infrared emitting diode for efficient light coupling
• Features low coupling capacitance for improved signal integrity
• Designed for operation in industrial and consumer applications

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Power supply feedback loops
• Communication interface isolation
• Microcontroller input/output isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '1T' corresponds to the required tape and reel packaging configuration. Confirm that the 40-80% CTR grade meets system requirements. Ensure the SOP-4 footprint matches the PCB design. Check RoHS compliance status if restricted substances are mandated. Validate the operating temperature range against environmental conditions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when surface-mount isolation is required with moderate speed characteristics. The 3750Vrms rating suits general-purpose isolation needs. Consider the 40-80% CTR range for predictable gain. Compare against through-hole alternatives like SFH617A-1 if higher isolation voltage or different mounting is needed. Evaluate power dissipation limits under thermal constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the VOM61xA series of transistor output optocouplers. The series offers various CTR grades and packaging options. The VOM617A variant specifically targets applications requiring reliable isolation with standard switching speeds. It complements other Vishay optocouplers designed for similar isolation voltages and output configurations.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

SFH617A-1 is a recommended alternative with similar electrical characteristics but in a through-hole PDIP-4 package. Verify pinout compatibility and mounting differences before substitution.