FOD2743ASV Equivalent & Substitute Parts

Part Overview

The FOD2743ASV is an optoisolator with transistor output manufactured by onsemi, designed for high-voltage isolation applications requiring 5000Vrms isolation rating. This component features a single channel configuration with DC input and transistor output, suitable for surface mount assembly in 8-SMD packaging.

The FOD2743ASV is classified as obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

FOD2743ASV

onsemiIn Stock: 1126FOD2743ASV Datasheet

Current PartRFQ

FOD2743BSV

onsemiIn Stock: 2086FOD2743BSV Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FOD2743ASV is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Parameters:

• Voltage - Isolation: 5000Vrms
• Number of Channels: 1
• Output Type: Transistor
• Current Transfer Ratio range: 50% to 100% @ 1mA
• Voltage - Output (Max): 70V
• Current - Output / Channel: 50mA
• Voltage - Forward (Vf) (Typ): 1.07V
• Vce Saturation (Max): 400mV
• Input Type: DC
• Operating Temperature: -40°C ~ 85°C

Mechanical Parameters:

• Mounting Type: Surface Mount
• Package / Case: 8-SMD, Gull Wing
• Supplier Device Package: 8-SMD

The FOD2743BSV meets all specified electrical and mechanical parameters and qualifies as a direct substitute for the obsolete FOD2743ASV.

Parameter Comparison

Engineering Selection Recommendations

The FOD2743BSV is the direct substitute for the obsolete FOD2743ASV. Both components are manufactured by onsemi and share identical electrical specifications and mechanical packaging.

The FOD2743BSV offers the advantage of active product status, ensuring ongoing manufacturer support, availability, and compliance with current regulatory requirements. The FOD2743BSV is RoHS3 compliant, meeting modern environmental standards. Both parts maintain REACH Unaffected status and EAR99 export classification.

For new designs or production transitions from the obsolete FOD2743ASV, the FOD2743BSV is the appropriate selection. Pin-to-pin compatibility and electrical equivalence ensure direct replacement without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can the FOD2743BSV directly replace the FOD2743ASV in existing designs?

A: Yes. The FOD2743BSV is electrically and mechanically equivalent to the FOD2743ASV. All critical parameters including isolation voltage, current transfer ratio, output voltage and current ratings, and operating temperature range are identical. The 8-SMD gull wing package is identical, enabling direct PCB replacement.

Q: What is the primary difference between FOD2743ASV and FOD2743BSV?

A: The FOD2743ASV is obsolete, while the FOD2743BSV maintains active product status. The FOD2743BSV also carries RoHS3 compliance certification. Electrical and mechanical specifications are identical.

Q: Are there any compliance or regulatory differences between these parts?

A: Both parts maintain REACH Unaffected status and EAR99 export classification. The FOD2743BSV includes RoHS3 compliance, which is relevant for applications subject to environmental regulations. Both parts have MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions.

Q: What packaging options are available for the FOD2743BSV?

A: The FOD2743BSV is supplied in bulk packaging. The component uses 8-SMD gull wing surface mount package, identical to the FOD2743ASV.

Q: Are there any performance differences in isolation voltage or current transfer ratio?

A: No. Both the FOD2743ASV and FOD2743BSV provide 5000Vrms isolation voltage and identical current transfer ratio specifications of 50% to 100% @ 1mA. Output voltage and current ratings are also identical.