BPW36 Equivalent & Substitute Parts

Part Overview

The BPW36 is an 880nm phototransistor in TO-206AA (TO-18-3 Metal Can) packaging manufactured by onsemi. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The BPW36 operates across a wide temperature range (-65°C to 125°C) and is suitable for infrared sensing applications requiring top-view optical orientation.

Key Parameters

Parameter	Value
Manufacturer Part Number	BPW36
Manufacturer	onsemi
Category	Optical Sensors
Description	Phototransistors 880nm Top View TO-206AA, TO-18-3 Metal Can
Wavelength	880nm
Viewing Angle	20°
Voltage - Collector Emitter Breakdown (Max)	45 V
Current - Dark (Id) (Max)	100 nA
Power - Max	300 mW
Operating Temperature	-65°C ~ 125°C
Package / Case	TO-206AA, TO-18-3 Metal Can
Mounting Type	Through Hole
Orientation	Top View
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the BPW36 are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Package / Case: TO-206AA, TO-18-3 Metal Can (identical mechanical form factor)
Mounting Type: Through Hole (identical PCB integration method)
Orientation: Top View (identical optical orientation)
Operating Temperature Range: -65°C ~ 125°C (identical thermal operating window)
Wavelength: 880nm to 890nm (near-infrared spectrum compatibility)
Current - Dark (Id) (Max): 100 nA (identical dark current specification)

Allowable Parameter Variations:

Voltage - Collector Emitter Breakdown: BPW36 specifies 45 V maximum; substitute parts specify 30 V maximum. This represents a reduction in voltage rating, which is acceptable for applications not requiring the full 45 V rating.
Power - Max: BPW36 specifies 300 mW; substitute parts specify 250 mW. This represents a reduction in power dissipation capability.
Viewing Angle: BPW36 specifies 20°; substitute parts specify either 20°, 24°, or unspecified. Variations in viewing angle are acceptable based on application requirements.
Current - Collector (Ic) (Max): Substitute parts specify 50 mA; BPW36 does not specify this parameter in the provided data.

All substitute parts are manufactured by TT Electronics / Optek Technology and maintain active product status with ROHS3 compliance and REACH unaffected certification.

Parameter Comparison

Parameter	BPW36	OP800A	OP800B	OP800C	OP804SL	OP804TX	OP804TXV	OP805SL	OP805TX	OP805TXV
Manufacturer	onsemi	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology	TT Electronics / Optek Technology
Wavelength	880nm	890nm	890nm	890nm	890nm	890nm	890nm	890nm	890nm	890nm
Viewing Angle	20°	—	—	—	—	24°	24°	—	24°	24°
Voltage - Collector Emitter Breakdown (Max)	45 V	30 V	30 V	30 V	30 V	30 V	30 V	30 V	30 V	30 V
Current - Dark (Id) (Max)	100 nA	100 nA	100 nA	100 nA	100 nA	100 nA	100 nA	100 nA	100 nA	100 nA
Current - Collector (Ic) (Max)	—	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA
Power - Max	300 mW	250 mW	250 mW	250 mW	250 mW	250 mW	250 mW	250 mW	250 mW	250 mW
Operating Temperature	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C
Package / Case	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can	TO-206AA, TO-18-3 Metal Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Orientation	Top View	Top View	Top View	Top View	Top View	Top View	Top View	Top View	Top View	Top View
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts are qualified replacements for the BPW36 based on matching mechanical form factor, thermal operating range, and optical specifications. The following factors should guide component selection:

Product Status and Availability: All substitute parts maintain active product status with current manufacturing support. The BPW36 is obsolete and no longer manufactured. Substitute parts from the OP800, OP804, and OP805 series are actively produced by TT Electronics / Optek Technology.

Compliance and Certification: All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use. The BPW36 compliance status is not specified in the provided data.

Voltage Rating Consideration: Substitute parts specify a maximum collector-emitter breakdown voltage of 30 V, compared to the BPW36 specification of 45 V. Applications operating at voltages exceeding 30 V require circuit redesign or alternative component selection.

Power Dissipation: Substitute parts specify a maximum power rating of 250 mW, compared to the BPW36 specification of 300 mW. Applications requiring power dissipation exceeding 250 mW require circuit redesign or alternative component selection.

Viewing Angle Variants: OP804 and OP805 series parts are available with 24° viewing angle (TX and TXV variants) or unspecified viewing angle (SL variants). Selection between these variants depends on application optical requirements.

Frequently Asked Questions (FAQ)

Q: Can OP800A, OP800B, and OP800C be used interchangeably with each other?

A: Yes. OP800A, OP800B, and OP800C share identical electrical specifications, operating temperature range, package type, and optical orientation. These parts differ only in manufacturing lot or internal design revision. All three are functionally equivalent for the BPW36 replacement application.

Q: What is the difference between OP804SL and OP804TX?

A: Both parts share identical electrical specifications and operating temperature range. The primary difference is viewing angle: OP804SL does not specify a viewing angle, while OP804TX specifies 24°. Selection depends on the application's optical field-of-view requirements.

Q: Are OP805 series parts compatible with OP804 series parts?

A: Yes. OP804 and OP805 series parts share identical electrical specifications, operating temperature range, package type, and optical orientation. These parts differ only in manufacturing lot or internal design revision. All variants are functionally equivalent for the BPW36 replacement application.

Q: Can I use a substitute part in an application designed for 45 V operation?

A: No. Substitute parts specify a maximum collector-emitter breakdown voltage of 30 V. Applications requiring operation at voltages exceeding 30 V cannot use these substitute parts without circuit redesign to reduce operating voltage below 30 V.

Q: Are all substitute parts available in the same packaging as the BPW36?

A: Yes. All substitute parts use TO-206AA (TO-18-3 Metal Can) packaging with through-hole mounting and top-view optical orientation, providing direct mechanical and electrical compatibility with BPW36 PCB layouts.

Q: Do substitute parts meet current environmental and regulatory standards?

A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use in regulated markets.

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