VOS618A-2T VOS618A-2T Compact SSOP-4 Optocoupler for Industrial and Telecom Isolation
- Efficient Isolation with Moderate CTR: The 63-125 % CTR bin balances input drive and cost, suitable for many mainstream isolation tasks.
- High Isolation Voltage: Like the rest of the series, this part provides 3750 VRMS isolation, ensuring safety between high-voltage and low-voltage domains.
- Space-Saving SSOP-4 Package: Enables use in compact PCB footprints, fitting well in modern dense electronic designs.
The Vishay VOS618A-2T is a member of the VOS618A optocoupler series in a 4-pin SSOP-4, 50 mil pitch mini-flat package.
In this variant, the “-2” designation corresponds to a current transfer ratio (CTR) bin of 63 % to 125 % (IF = 1 mA, VCE = 5 V).
The device offers high isolation (3750 VRMS), ultra-low coupling capacitance, and compact form to enable efficient isolation between two circuits with minimal board space and input drive.
Features
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CTR in the 63 %–125 % range enabling moderate input current designs.
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Low-profile SSOP-4 package (half-pitch, 50 mil lead spacing).
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High collector-emitter voltage 80 V.
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High isolation test voltage 3750 VRMS.
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Low coupling capacitance enabling better signal integrity in high common-mode environments.
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Material categorization and compliance.
Specifications
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CTR (IF = 1 mA, VCE = 5 V): min 63 %, max 125 %.
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Other key specs match the general series: VCEO 80 V, VIORM 565 Vpeak, etc. (see previous section).
Applications
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Industrial control modules where moderate CTR is sufficient and cost/space optimization is needed.
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Telecom interface circuits requiring isolation but lower drive current requirements.
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Office machines and battery-powered portable devices.
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Programmable logic or input-sensor isolation circuits in embedded systems.
Specification: VOS618A-2T Compact SSOP-4 Optocoupler for Industrial and Telecom Isolation
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