IF-D91 Fiber Optic Receiver Equivalent & Substitute Parts

Part Overview

The IF-D91 is a general-purpose fiber optic receiver designed for 100 Mbps data rate applications. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The IF-D91B serves as the direct successor, offering equivalent electrical performance with improved product status and availability.

Substiute Parts

IF-D91

Industrial Fiber OpticsIn Stock: 3959IF-D91 Datasheet

Current PartRFQ

IF D91B

Industrial Fiber OpticsIn Stock: 18609IF D91B Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IF-D91 with the IF-D91B is based on the following matching parameters:

• Data Rate: Both parts operate at 100 Mbps
• Application Classification: Both designated for general-purpose use
• Current - Supply: Both specified at 60 nA
• Moisture Sensitivity Level: Both classified as Not Applicable
• ECCN Classification: Both rated EAR99

The IF-D91B maintains functional equivalence while providing active product status and improved supply chain availability.

Parameter Comparison

Engineering Selection Recommendations

The IF-D91B is the appropriate substitute for the obsolete IF-D91. Both components share identical data rate specifications (100 Mbps) and application classification (general purpose). The IF-D91B provides the additional advantage of active product status, ensuring continued availability and supply chain support. The IF-D91B carries ROHS3 compliance certification, meeting current environmental regulatory requirements. Both parts maintain equivalent export classification under ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: Can the IF-D91B directly replace the IF-D91 in existing designs? A: Yes. Both components operate at 100 Mbps for general-purpose fiber optic reception applications and share identical ECCN and MSL classifications.

Q: What is the primary advantage of selecting IF-D91B over IF-D91? A: The IF-D91B maintains active product status with confirmed inventory availability and ROHS3 compliance certification, whereas the IF-D91 is classified as obsolete.

Q: Are there packaging differences between these parts? A: The IF-D91B is supplied in tube packaging. Packaging specification for the IF-D91 is not provided in the technical documentation.

Q: Do both parts meet the same export regulations? A: Yes. Both the IF-D91 and IF-D91B are classified under ECCN EAR99.