OPF370D Equivalent & Substitute Parts

Part Overview

The OPF370D is a fiber optic transmitter operating at 850nm wavelength, manufactured by TT Electronics/Optek Technology. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement. The OPF370D delivers 2V forward voltage with a maximum forward current of 100 mA and is housed in a TO18 package. Locating functionally equivalent active parts ensures design continuity and supply chain reliability for applications requiring 850nm fiber optic transmission.

Substiute Parts

OPF370D

TT Electronics/Optek TechnologyIn Stock: 870OPF370D Datasheet

Current PartRFQ

OPF370A

TT Electronics/Optek TechnologyIn Stock: 1287OPF370A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The OPF370D can be substituted with the OPF370A based on matching electrical and optical characteristics. Substitution is valid when the following parameters are identical across both parts:

• Wavelength: 850nm
• Spectral Bandwidth: 35nm
• Voltage - Forward (Vf) (Typ): 2V
• Current - DC Forward (If) (Max): 100 mA
• Voltage - DC Reverse (Vr) (Max): 1V
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected

The primary distinction between these parts is product status: OPF370D is obsolete while OPF370A is active. The OPF370A represents the current production equivalent within the OPF370 base product family.

Parameter Comparison

Engineering Selection Recommendations

The OPF370A is the direct active equivalent for the obsolete OPF370D. Both parts maintain identical electrical and optical specifications, including 850nm wavelength operation, 2V forward voltage, and 100 mA maximum forward current. Both parts carry ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current applications.

Selection of the OPF370A over the OPF370D is driven by product lifecycle status. The OPF370A is in active production, ensuring long-term availability and supply chain stability. The OPF370D, classified as obsolete, presents procurement risk and should be replaced in new designs and production runs.

Frequently Asked Questions (FAQ)

Q: Can the OPF370A directly replace the OPF370D in existing designs?

A: Yes. The OPF370A provides identical electrical and optical performance. Both parts operate at 850nm wavelength with 2V forward voltage and 100 mA maximum forward current. Regulatory compliance (ROHS3, REACH) is equivalent across both parts.

Q: What is the difference between OPF370D and OPF370A?

A: The primary difference is product status. The OPF370D is obsolete, while the OPF370A is active production. Electrical, optical, and compliance specifications are identical. Packaging differs: OPF370D uses TO18 package, while OPF370A is supplied in bulk packaging.

Q: Why should I transition from OPF370D to OPF370A?

A: The OPF370D is obsolete and subject to supply discontinuation. The OPF370A is the active equivalent within the OPF370 product family, providing assured long-term availability and supply chain continuity.

Q: Are there any compatibility concerns when substituting OPF370A for OPF370D?

A: No compatibility concerns exist. Electrical ratings, optical characteristics, and regulatory compliance are identical. Circuit design, PCB layout, and application parameters require no modification.

Q: What certifications apply to both parts?

A: Both OPF370D and OPF370A are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is 1 (unlimited) for both parts.