FOD2743CSDV Equivalent & Substitute Parts

Part Overview

The FOD2743CSDV is an optoisolator with transistor output manufactured by onsemi, designed for applications requiring galvanic isolation up to 5000Vrms. This component features a single channel configuration with 8-SMD surface mount packaging and a gull wing lead form. The part is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

FOD2743CSDV

onsemiIn Stock: 1116FOD2743CSDV Datasheet

Current PartRFQ

FOD2743BSDV

onsemiIn Stock: 49348FOD2743BSDV Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FOD2743CSDV is determined by strict equivalence across the following critical parameters:

• Voltage isolation rating: 5000Vrms
• Number of channels: 1
• Output type: Transistor
• Current transfer ratio range: 50% to 100% @ 1mA
• Maximum output voltage: 70V
• Maximum output current per channel: 50mA
• Input/output electrical characteristics: Vf (Typ) 1.07V, Vce Saturation (Max) 400mV
• Operating temperature range: -40°C to 85°C
• Package configuration: 8-SMD, Gull Wing
• Mounting type: Surface Mount

The FOD2743BSDV meets all these criteria and is therefore a direct functional equivalent. The primary distinction between these parts is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

The FOD2743BSDV is the direct substitute for the obsolete FOD2743CSDV. Both parts share identical electrical specifications and mechanical form factors. The FOD2743BSDV carries active product status, ensuring continued availability and manufacturer support. Additionally, the FOD2743BSDV is ROHS3 compliant, providing enhanced environmental and regulatory alignment for new designs. The packaging difference (Tape & Reel versus bulk) reflects standard industry practice for active production parts and does not affect component functionality or performance.

Frequently Asked Questions (FAQ)

Q: Can FOD2743BSDV be used as a direct replacement for FOD2743CSDV in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including isolation voltage, current transfer ratio, output characteristics, and operating temperature range. The 8-SMD gull wing package is identical, allowing direct PCB compatibility.

Q: What is the significance of the product status difference?

A: FOD2743CSDV is classified as obsolete, indicating it is no longer in active production. FOD2743BSDV is active, meaning it remains in current manufacturing and is available through standard distribution channels. For new designs or ongoing procurement, FOD2743BSDV is the appropriate selection.

Q: Does the Tape & Reel packaging of FOD2743BSDV affect component performance?

A: No. Tape & Reel is a standard packaging and handling format for surface mount components. It does not alter electrical performance, reliability, or functional characteristics. The component itself remains identical to bulk-packaged versions.

Q: Are there compliance differences between these parts?

A: FOD2743BSDV is explicitly ROHS3 compliant, while FOD2743CSDV does not specify this certification. Both parts are REACH unaffected. For applications requiring ROHS3 compliance, FOD2743BSDV is the appropriate choice.

Q: What is the Moisture Sensitivity Level (MSL) significance?

A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components do not require special moisture control during storage, handling, or assembly.