VOM618AT Equivalent & Substitute Parts

Part Overview

The VOM618AT is an optoisolator with transistor output manufactured by Vishay Semiconductor Opto Division. This component provides galvanic isolation up to 3750Vrms with a single channel configuration in a 4-SOP surface mount package. The device is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, ensuring functional interchangeability in circuit applications requiring isolation and signal transmission.

Substiute Parts

VOM618AT

Vishay Semiconductor Opto DivisionIn Stock: 90103VOM618AT Datasheet

Current PartRFQ

VOM618A-X001T

Vishay Semiconductor Opto DivisionIn Stock: 60124VOM618A-X001T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VOM618AT are identified based on strict equivalence of electrical and mechanical parameters. The substitution criteria are defined by the following key parameters:

• Voltage - Isolation: 3750Vrms
• Number of Channels: 1
• Output Type: Transistor
• Current Transfer Ratio range: 50% (Min) to 600% (Max) @ 1mA
• Voltage - Output (Max): 80V
• Current - Output / Channel: 50mA
• Vce Saturation (Max): 400mV
• Operating Temperature range: -55°C ~ 110°C
• Package / Case: 4-SMD, Gull Wing
• Mounting Type: Surface Mount

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes within the VOM618 product family.

Parameter Comparison

Engineering Selection Recommendations

Both VOM618AT and VOM618A-X001T are Active product status components manufactured by Vishay Semiconductor Opto Division. Both parts are ROHS3 compliant and carry identical electrical specifications, timing characteristics, and thermal operating ranges. Selection between these parts may be based on inventory availability, supply chain considerations, or specific procurement requirements. Both parts are suitable for applications requiring 3750Vrms isolation with single-channel transistor output in surface mount 4-SOP packaging.

Frequently Asked Questions (FAQ)

Q: Can VOM618A-X001T be used as a direct replacement for VOM618AT?

A: Yes. Both parts share identical electrical parameters including isolation voltage, current transfer ratio, output voltage and current ratings, timing characteristics, and operating temperature range. Both are packaged in 4-SMD Gull Wing configuration and are ROHS3 compliant.

Q: Are there any package or pinout differences between VOM618AT and VOM618A-X001T?

A: No. Both parts use the 4-SOP supplier device package with 4-SMD Gull Wing configuration, ensuring mechanical and electrical compatibility in PCB layouts.

Q: What isolation voltage does the VOM618AT provide?

A: The VOM618AT provides 3750Vrms galvanic isolation between input and output circuits.

Q: What is the maximum output current for the VOM618AT?

A: The maximum output current per channel is 50mA with a maximum output voltage of 80V.

Q: Are both parts suitable for high-temperature applications?

A: Both VOM618AT and VOM618A-X001T operate across the temperature range of -55°C to 110°C, supporting extended thermal operating conditions.

Q: What is the Moisture Sensitivity Level for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.