OPB830W55 Equivalent & Substitute Parts

Part Overview

The OPB830W55 is an optical sensor through-beam phototransistor module manufactured by TT Electronics/Optek Technology. This component is classified as obsolete, with 870 units available in new original stock. The sensor operates as an unamplified optical detector with a 0.125" (3.18mm) sensing distance and through-beam configuration. Due to its obsolete status, equivalent substitute parts from the active product line are necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	OPB830W55
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
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the OPB830W55 are qualified based on strict electrical and mechanical parameter equivalence. The following parameters determine substitution eligibility:

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
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

All substitute parts listed maintain these core parameters. Operating temperature ranges may extend beyond the original specification, which does not restrict substitution. All substitute parts are in active product status, ensuring long-term availability and supply chain continuity.

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
OPB830W55	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	870 Pcs
OPB830W55Z	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	32100 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 OPB830W55Z is the direct successor to the OPB830W55, maintaining identical electrical and mechanical specifications while offering active product status and significantly higher inventory availability (32100 units). This part is the primary recommendation for new designs and production continuity.

All listed substitute parts maintain full electrical equivalence across critical parameters: 50 mA forward current, 30 mA collector current, and 30 V collector-emitter breakdown voltage. All parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Operating temperature ranges for substitute parts extend to -40°C ~ 85°C, providing enhanced thermal performance compared to the original specification of -40°C ~ 80°C.

Inventory availability varies across the substitute portfolio. OPB370N55 offers the highest stock level at 90400 units, followed by OPB830W55Z at 32100 units. All substitute parts are manufactured by TT Electronics/Optek Technology, ensuring consistent quality and performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can OPB830W55Z be used as a direct replacement for OPB830W55?

A: Yes. OPB830W55Z is the active production equivalent of OPB830W55. Both parts share identical electrical specifications, sensing distance, output configuration, and mounting type. The primary difference is product status: OPB830W55Z is active with higher inventory availability.

Q: What is the difference between the various substitute part numbers?

A: All substitute parts listed (OPB360N51, OPB365N11, OPB365N51, OPB365P55, OPB370N51, OPB370N55, OPB375N51, OPB380N11Z, OPB380P51Z) maintain identical electrical and mechanical parameters as the OPB830W55. Differences in part numbering reflect internal manufacturer designations and packaging variations. All are functionally equivalent for through-beam phototransistor applications at 0.125" sensing distance.

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: What is the operating temperature range for substitute parts?

A: The OPB830W55 operates from -40°C to 80°C. All substitute parts extend this range to -40°C to 85°C, providing an additional 5°C of upper temperature capability.

Q: Which substitute part has the best inventory availability?

A: OPB370N55 offers the highest inventory level at 90400 units in stock. OPB830W55Z, the direct successor, provides 32100 units.

Q: Can I mix OPB830W55 and substitute parts in the same production run?

A: All parts listed maintain identical electrical specifications and mechanical form factors. Substitution is based on strict parameter equivalence, allowing interchangeability within the same circuit design.

Q: What packaging options are available?

A: All parts are supplied as Module, Pre-Wired with Chassis Mount configuration. Packaging designation (Bulk) applies to the substitute parts listed.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message