OP800D Equivalent & Substitute Parts

Part Overview

The OP800D is a phototransistor optical sensor manufactured by TT Electronics/Optek Technology, designed for 890nm wavelength detection in a TO-206AA (TO-18-3 Metal Can) through-hole package. The device is classified as obsolete, which necessitates identification of active equivalent components for ongoing design support and procurement. The OP800D maintains full electrical and mechanical compatibility with its active substitute within the same product family.

Key Parameters

Parameter	Value
Wavelength	890 nm
Voltage - Collector Emitter Breakdown (Max)	30 V
Current - Collector (Ic) (Max)	50 mA
Current - Dark (Id) (Max)	100 nA
Power - Max	250 mW
Package / Case	TO-206AA, TO-18-3 Metal Can
Mounting Type	Through Hole
Orientation	Top View
Operating Temperature Range	-65°C to 125°C

Substitute Part Grouping Explanation

Substitution of the OP800D is determined by strict equivalence across the following critical parameters:

Wavelength specification (890 nm)
Electrical ratings: Collector-Emitter breakdown voltage (30 V maximum), collector current capacity (50 mA maximum), and dark current (100 nA maximum)
Package form factor: TO-206AA, TO-18-3 Metal Can
Mounting configuration: Through-hole, top-view orientation
Thermal operating range: -65°C to 125°C

The OP800C satisfies all substitution criteria as an active product within the same manufacturer family, maintaining identical electrical performance and mechanical compatibility.

Parameter Comparison

Parameter	OP800D (Obsolete)	OP800C (Active)
Manufacturer	TT Electronics / Optek Technology	TT Electronics / Optek Technology
Product Status	Obsolete	Active
Wavelength	890 nm	890 nm
Voltage - Collector Emitter Breakdown (Max)	30 V	30 V
Current - Collector (Ic) (Max)	50 mA	50 mA
Current - Dark (Id) (Max)	100 nA	100 nA
Power - Max	250 mW	250 mW
Package / Case	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can
Mounting Type	Through Hole	Through Hole
Orientation	Top View	Top View
Operating Temperature Range	-65°C to 125°C	-65°C to 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The OP800C is the direct active equivalent for the obsolete OP800D. Both components are manufactured by TT Electronics/Optek Technology and maintain identical electrical specifications, thermal ratings, and mechanical packaging. Both devices carry ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and legacy system support.

Selection of the OP800C for replacement applications is based on complete parameter equivalence and active product status, enabling continued procurement and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the OP800C directly replace the OP800D in existing designs?

A: Yes. The OP800C is electrically and mechanically identical to the OP800D across all specified parameters, including wavelength, voltage ratings, current limits, package form factor, and operating temperature range. No circuit modifications are required.

Q: What is the primary reason for substitution?

A: The OP800D is classified as obsolete. The OP800C is the active equivalent within the same product family and maintains full compatibility.

Q: Are there any compliance differences between the two parts?

A: No. Both the OP800D and OP800C carry identical RoHS3 compliance, REACH unaffected status, and moisture sensitivity ratings.

Q: Is the TO-206AA package the same as TO-18-3 Metal Can?

A: Yes. TO-206AA and TO-18-3 Metal Can refer to the same through-hole package configuration used for both the OP800D and OP800C.

Q: What wavelength does this phototransistor detect?

A: Both the OP800D and OP800C are specified for 890 nm wavelength detection.

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