VOS618A-7X001T

Transistor, Photovoltaic Output Optoisolators Overview

The VOS618A-7X001T is a single-channel optoisolator manufactured by Vishay Semiconductor Opto Division. It features an infrared emitting diode optically coupled to an NPN phototransistor detector, housed in a compact 4-SSOP surface-mount package. The device provides robust electrical isolation with a rated voltage of 3750Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80V and a peak output current capability of 100mA. The typical forward voltage is 1.5V with a maximum DC forward current of 50mA. The collector-emitter saturation voltage is specified at a maximum of 400mV. Performance characteristics include a current transfer ratio ranging from 80% to 160% at 1mA input, with typical rise and fall times of 10µs and 11µs respectively. It operates within a temperature range of -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-voltage isolation capability rated at 3750Vrms for safe signal transmission across potential barriers.
• Fast switching performance with typical rise and fall times suitable for general-purpose digital applications.
• Wide operating temperature range extending from -55°C to +110°C for reliable industrial operation.
• Compact 4-SSOP surface-mount packaging designed for automated assembly and space-constrained designs.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital isolation in industrial control systems
• Signal transmission between microcontrollers and peripheral devices
• Isolation interfaces in power supply feedback loops
• Noise immunity enhancement in data communication lines

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '7X001T' corresponds to the 4-SSOP package configuration when sourcing. Confirm that the required current transfer ratio falls within the 80% to 160% specification for your application logic levels. Ensure compatibility with standard surface-mount reflow soldering profiles for SSOP components. Cross-reference the manufacturer's latest datasheet for any updates regarding RoHS compliance or material declarations prior to final procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single channel of high-voltage isolation is required with moderate speed requirements. The NPN phototransistor output is suitable for interfacing with standard TTL or CMOS logic inputs. Consider the 80-160% current transfer ratio to ensure adequate noise margins. The wide temperature range makes it appropriate for harsh environments where standard commercial grade parts may fail. Evaluate the 4-SSOP footprint against available PCB real estate constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

The VOS618A series represents Vishay's line of transistor-output optocouplers utilizing GaAs infrared emitters. This family is designed for cost-effective isolation solutions in various electronic circuits. The VOS618A-7X001T variant specifically denotes the tape-and-reel packaging format within the 4-SSOP form factor. It shares core electrical characteristics with other variants in the VOS618A lineup, differing primarily in packaging and shipping quantities.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes within the same family include VOS618A-3X001T and VOS618A-8X001T, which share identical electrical specifications but differ in packaging or reel configuration. Verify pinout compatibility before substitution. Generic replacements must match the 3750Vrms isolation rating and 80V collector-emitter voltage limits to maintain circuit safety and functionality.