4N25SR2VM Equivalent & Substitute Parts

Part Overview

The 4N25SR2VM is an optoisolator transistor with base output manufactured by onsemi, designed for high-voltage isolation applications. This active product provides 4170Vrms isolation voltage in a 6-SMD surface mount package. Equivalent and substitute parts are identified when applications require alternative sourcing, inventory availability, or enhanced performance specifications within compatible electrical and mechanical parameters.

Substiute Parts

4N25SR2VM

onsemiIn Stock: 9374N25SR2VM Datasheet

Current PartRFQ

4N25XSM

Isocom ComponentsIn Stock: 12684N25XSM Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The 4N25XSM from Isocom Components qualifies as a substitute part based on the following alignment of critical parameters:

Substitution Criteria:

• Single-channel optoisolator with transistor base output configuration
• 6-SMD surface mount package with gull wing leads
• Minimum current transfer ratio of 20% @ 10mA
• Maximum output voltage of 30V
• Maximum Vce saturation of 500mV
• DC forward current maximum of 60 mA
• ROHS3 compliance and unlimited moisture sensitivity level

The 4N25XSM exceeds the isolation voltage requirement (5300Vrms vs. 4170Vrms) and extends the operating temperature range to -55°C, providing enhanced performance margins in these specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the 4N25SR2VM and 4N25XSM are active products with ROHS3 compliance and unlimited moisture sensitivity rating, suitable for production applications. The 4N25XSM provides higher isolation voltage (5300Vrms) and extended low-temperature operation (-55°C minimum), making it applicable in applications requiring enhanced performance margins. Selection between these parts depends on circuit requirements for isolation voltage and operating temperature range, with both meeting the core electrical and mechanical compatibility criteria for optoisolator transistor with base output in 6-SMD surface mount configuration.

Frequently Asked Questions (FAQ)

Q: Can the 4N25XSM directly replace the 4N25SR2VM in existing designs?

A: Yes, the 4N25XSM is electrically and mechanically compatible. Both parts share identical output voltage, current transfer ratio, saturation voltage, and 6-SMD gull wing package specifications. The 4N25XSM provides higher isolation voltage and extended temperature range, which are backward-compatible enhancements.

Q: What are the key differences between these optoisolators?

A: The primary differences are isolation voltage (4N25XSM: 5300Vrms vs. 4N25SR2VM: 4170Vrms) and operating temperature range (4N25XSM: -55°C to 100°C vs. 4N25SR2VM: -40°C to 100°C). Forward voltage is negligibly different (1.2V vs. 1.18V typical).

Q: Are both parts available in the same packaging?

A: Both use 6-SMD surface mount packages with gull wing leads. The 4N25SR2VM is supplied in tape and reel format, while the 4N25XSM is supplied in tube packaging. Both are suitable for automated assembly processes.

Q: Do both parts meet the same compliance standards?

A: Yes, both the 4N25SR2VM and 4N25XSM are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and REACH unaffected status.

Q: Which part should be selected for low-temperature applications?

A: The 4N25XSM supports operation down to -55°C, compared to -40°C for the 4N25SR2VM. Applications requiring extended low-temperature performance should specify the 4N25XSM.