OPB829BZ Equivalent & Substitute Parts

Part Overview

The OPB829BZ is an optical sensor through-beam phototransistor module manufactured by TT Electronics/Optek Technology. This component features a 0.125" (3.18mm) sensing distance with through-beam detection method and phototransistor output configuration. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs. The OPB829BZ operates across -40°C to 80°C and is housed in a pre-wired module package suitable for chassis mount applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	OPB829BZ
Manufacturer	TT Electronics/Optek Technology
Category	Optical Sensors
Sensing Distance	0.125" (3.18mm)
Sensing Method	Through-Beam
Output Configuration	Phototransistor
Current - DC Forward (If) (Max)	50 mA
Current - Collector (Ic) (Max)	30 mA
Voltage - Collector Emitter Breakdown (Max)	30 V
Operating Temperature	-40°C ~ 80°C
Mounting Type	Chassis Mount
Package / Case	Module, Pre-Wired
Type	Unamplified
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the OPB829BZ are qualified based on the following critical parameters that must match or exceed the original specification:

Sensing Distance: 0.125" (3.18mm)
Sensing Method: Through-Beam
Output Configuration: Phototransistor
Current - DC Forward (If) (Max): 50 mA
Current - Collector (Ic) (Max): 30 mA
Voltage - Collector Emitter Breakdown (Max): 30 V
Mounting Type: Chassis Mount
Package / Case: Module, Pre-Wired
Type: Unamplified
RoHS Status: ROHS3 Compliant

All substitute parts listed maintain these core electrical and mechanical specifications. Operating temperature ranges may extend beyond the original -40°C to 80°C specification in active alternatives, providing enhanced thermal performance. All substitutes are manufactured by TT Electronics/Optek Technology and retain compatibility with the original application requirements.

Parameter Comparison

Part Number	Manufacturer	Product Status	Sensing Distance	Sensing Method	Output Configuration	If (Max)	Ic (Max)	VCE Breakdown (Max)	Operating Temperature	Mounting Type	Package / Case	Type	RoHS Status	Inventory
OPB829BZ	TT Electronics/Optek Technology	Obsolete	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 80°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1094 Pcs
OPB829CZ	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 80°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1185 Pcs
OPB360N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1394 Pcs
OPB365N11	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	658 Pcs
OPB365N51	TT Electronics / Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1916 Pcs
OPB365P55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1052 Pcs
OPB370N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1250 Pcs
OPB370N55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	90400 Pcs
OPB375N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	648 Pcs
OPB380N11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1100 Pcs
OPB380P51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	651 Pcs

Engineering Selection Recommendations

The OPB829BZ is obsolete and requires substitution for new procurement and system support. The primary recommended substitute is OPB829CZ, which maintains identical electrical and mechanical specifications while offering active product status. OPB829CZ is the direct equivalent from the manufacturer's current product line.

For applications requiring extended operating temperature range beyond -40°C to 80°C, the OPB360N51, OPB365N11, OPB365N51, OPB365P55, OPB370N51, OPB370N55, OPB375N51, OPB380N11Z, and OPB380P51Z all support -40°C to 85°C operation while maintaining all other critical parameters. All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Inventory availability varies across substitute options, with OPB370N55 offering the highest stock level at 90,400 pieces. Selection should prioritize active product status and compliance certifications for long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can OPB829CZ directly replace OPB829BZ? A: Yes. OPB829CZ is the manufacturer-recommended direct equivalent with identical electrical specifications (50 mA If max, 30 mA Ic max, 30 V VCE breakdown), sensing distance (0.125"), sensing method (through-beam), output configuration (phototransistor), mounting type (chassis mount), and package type (module, pre-wired). The primary difference is product status: OPB829CZ is active while OPB829BZ is obsolete.

Q: What is the difference between the OPB829CZ and other substitute parts like OPB370N55? A: All listed substitutes share identical electrical and mechanical parameters. The primary differences are operating temperature range and internal design variants. OPB829CZ maintains the original -40°C to 80°C range, while OPB360N51, OPB365 series, OPB370 series, OPB375N51, and OPB380 series extend to -40°C to 85°C. Selection depends on application thermal requirements and packaging preferences.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Does packaging differ between substitute options? A: All substitute parts use identical packaging: module, pre-wired configuration with chassis mount mounting type. Packaging is not a differentiating factor for substitution.

Q: Which substitute part has the best inventory availability? A: OPB370N55 offers the highest inventory level at 90,400 pieces in stock, followed by OPB365N51 at 1,916 pieces.

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