VOS627A-3T Equivalent & Substitute Parts

Part Overview

The VOS627A-3T 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-SSOP surface mount package. The part is currently in active production status with substantial inventory availability. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, ensuring functional interchangeability in circuit applications.

Substiute Parts

VOS627A-3T
Vishay Semiconductor Opto DivisionIn Stock: 45395VOS627A-3T Datasheet
VOS627A-3T
Current Part
VOS627A-3X001T
Vishay Semiconductor Opto DivisionIn Stock: 12708VOS627A-3X001T Datasheet
VOS627A-3X001T
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number VOS627A-3T
Manufacturer Vishay Semiconductor Opto Division
Category Optoisolators
Number of Channels 1
Voltage - Isolation 3750Vrms
Current Transfer Ratio (Min) 100% @ 5mA
Current Transfer Ratio (Max) 200% @ 5mA
Output Type Transistor
Voltage - Output (Max) 80V
Current - Output / Channel 50mA
Vce Saturation (Max) 400mV
Operating Temperature Range -55°C ~ 110°C
Package / Case 4-SOIC (0.173", 4.40mm Width)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Product Status Active

Substitute Part Grouping Explanation

Substitute parts for the VOS627A-3T are identified based on strict equivalence across the following critical parameters:

  • Isolation voltage rating: 3750Vrms
  • Number of channels: 1
  • Output configuration: Transistor output
  • Maximum output voltage: 80V
  • Maximum output current per channel: 50mA
  • Current transfer ratio range: 100% to 200% @ 5mA
  • Package type: 4-SSOP surface mount
  • Operating temperature range: -55°C ~ 110°C
  • RoHS compliance status: ROHS3 Compliant
  • Moisture sensitivity level: 1 (Unlimited)

The VOS627A-3X001T meets all these criteria and is classified as a parametric equivalent within the VOS627 base product family.

Parameter Comparison

Parameter VOS627A-3T VOS627A-3X001T
Manufacturer Vishay Semiconductor Opto Division Vishay Semiconductor Opto Division
Number of Channels 1 1
Voltage - Isolation 3750Vrms 3750Vrms
Current Transfer Ratio (Min) 100% @ 5mA 100% @ 5mA
Current Transfer Ratio (Max) 200% @ 5mA 200% @ 5mA
Turn On / Turn Off Time (Typ) 6µs, 4µs 6µs, 4µs
Rise / Fall Time (Typ) 3µs, 3µs 3µs, 3µs
Input Type AC, DC AC, DC
Output Type Transistor Transistor
Voltage - Output (Max) 80V 80V
Current - Output / Channel 50mA 50mA
Voltage - Forward (Vf) (Typ) 1.1V 1.1V
Current - DC Forward (If) (Max) 50mA 50mA
Vce Saturation (Max) 400mV 400mV
Operating Temperature -55°C ~ 110°C -55°C ~ 110°C
Package / Case 4-SOIC (0.173", 4.40mm Width) 4-SOIC (0.173", 4.40mm Width)
Mounting Type Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

Both the VOS627A-3T and VOS627A-3X001T are active production components from Vishay Semiconductor Opto Division with identical electrical and mechanical specifications. Both parts maintain ROHS3 compliance and MSL Level 1 rating, indicating no moisture sensitivity restrictions during storage and handling. Selection between these parts may be based on inventory availability, supply chain considerations, or specific procurement requirements, as all functional parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Are VOS627A-3T and VOS627A-3X001T pin-compatible? A: Yes. Both parts use the 4-SSOP package with identical pinout and mechanical dimensions (0.173" width, 4.40mm).

Q: Can VOS627A-3X001T replace VOS627A-3T in existing designs? A: Yes. All electrical parameters, isolation voltage, output characteristics, and operating temperature ranges are identical, enabling direct substitution without circuit modification.

Q: What is the difference between these two part numbers? A: The parts are parametric equivalents within the VOS627 base product family. The suffix variation (3T versus 3X001T) reflects different manufacturing or packaging designations from Vishay, but electrical and mechanical specifications remain identical.

Q: Are both parts RoHS compliant? A: Yes. Both VOS627A-3T and VOS627A-3X001T are ROHS3 compliant.

Q: What is the moisture sensitivity level for these parts? A: Both parts have MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions and no special storage requirements.

Q: Can these parts handle AC and DC input signals? A: Yes. Both parts accept AC and DC input types, providing flexibility in signal conditioning applications.

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