OPB360L11 Equivalent & Substitute Parts

Part Overview

The OPB360L11 is an optical sensor manufactured by TT Electronics/Optek Technology, classified as a through-beam phototransistor optical sensor with PCB mount packaging. This component is designed for slot-based optical sensing applications requiring 0.125" (3.18mm) sensing distance. The part is currently active in production with 742 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the OPB series, ensuring functional interchangeability in circuit designs without performance degradation.

Key Parameters

Parameter	Value
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 ~ 85°C
Mounting Type	Through Hole
Package / Case	PCB Mount
Type	Unamplified
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the OPB360L11 are qualified based on strict parameter equivalence across the following critical specifications:

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 ~ 85°C
Mounting Type: Through Hole
Package / Case: PCB Mount
Type: Unamplified
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

All substitute parts listed maintain identical electrical ratings and environmental specifications. Substitution is valid across different base product numbers (OPB360, OPB365, OPB370, OPB380, OPB390) and variant suffixes, provided all parameters remain constant.

Parameter Comparison

Part Number	Manufacturer	Sensing Distance	Sensing Method	Output Configuration	If (Max)	Ic (Max)	Vce Breakdown (Max)	Operating Temperature	Mounting Type	Package	Type	Inventory
OPB360L11	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	742 Pcs
OPB360T51	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	2007 Pcs
OPB365T55	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	4496 Pcs
OPB370L55	TT Electronics / Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	909 Pcs
OPB370T51	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	909 Pcs
OPB370T55	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	1112 Pcs
OPB380T11Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	1111 Pcs
OPB380T51Z	TT Electronics / Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	2503 Pcs
OPB380T55Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	1036 Pcs
OPB390L11Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	1137 Pcs
OPB390L51Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	1025 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain active product status with ROHS3 compliance and REACH unaffected certification. Selection among equivalent parts should be based on inventory availability and lead time requirements. OPB365T55 offers the highest inventory level at 4496 units, followed by OPB380T51Z at 2503 units. All parts are functionally interchangeable within the specified electrical and environmental parameters. No performance trade-offs exist between the OPB360L11 and any listed substitute when applied within the defined operating conditions.

Frequently Asked Questions (FAQ)

Q: Can OPB360L11 be directly replaced with OPB370T55? A: Yes. Both parts maintain identical electrical ratings (50 mA If max, 30 mA Ic max, 30 V Vce breakdown), sensing distance (0.125"), sensing method (through-beam), output configuration (phototransistor), operating temperature range (-40°C to 85°C), and mounting specifications (through hole PCB mount). Direct substitution is valid.

Q: What is the difference between OPB360L11 and OPB360T51? A: Both parts are from the OPB360 base product family with identical electrical and mechanical specifications. The suffix variation (L11 versus T51) indicates different internal optical or packaging variants, but all critical parameters for circuit functionality remain equivalent.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 compliance and REACH unaffected status, matching the OPB360L11 regulatory certification.

Q: Which substitute part has the best availability? A: OPB365T55 has the highest inventory at 4496 units in stock, followed by OPB380T51Z at 2503 units.

Q: Can I use OPB380T11Z in place of OPB360L11 in a new design? A: Yes. OPB380T11Z meets all electrical and mechanical requirements for functional equivalence. The part is active in production with 1111 units available.

Q: Are there any temperature or voltage derating considerations between substitute parts? A: No. All substitute parts operate within the identical temperature range (-40°C to 85°C) and voltage specifications (30 V Vce breakdown max). No derating adjustments are required when substituting between listed parts.

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