OPB993P11Z Equivalent & Substitute Parts

Part Overview

The OPB993P11Z is an optical sensor manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This through-beam optical sensor operates at 0.125" (3.18mm) sensing distance with NPN open collector inverted output configuration. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new design implementations. Substitute parts maintain identical electrical and mechanical specifications while offering active product status and improved availability.

Key Parameters

Parameter	Value
Sensing Distance	0.125" (3.18mm)
Sensing Method	Through-Beam
Output Configuration	NPN - Open Collector, Inverted
Voltage Supply	4.75V ~ 5.25V
Current Supply	15 mA
Response Time	70ns
Operating Temperature	-40°C ~ 70°C
Mounting Type	Chassis Mount
Package / Case	Module, Wire Leads
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for OPB993P11Z is determined by strict equivalence across the following parameters:

Sensing distance: 0.125" (3.18mm)
Sensing method: Through-Beam
Output configuration: NPN - Open Collector, Inverted
Supply voltage range: 4.75V ~ 5.25V
Supply current: 15 mA
Response time: 70ns
Operating temperature range: -40°C ~ 70°C
Mounting type: Chassis Mount
Package type: Module, Wire Leads
Series: Photologic®
Compliance: ROHS3 Compliant, REACH Unaffected

All substitute parts listed maintain these specifications without deviation. Substitution is based on functional equivalence and compliance alignment, not on packaging format or product status variations.

Parameter Comparison

Part Number	Manufacturer	Product Status	Sensing Distance	Output Configuration	Voltage Supply	Current Supply	Response Time	Operating Temperature	RoHS Status
OPB993P11Z	TT Electronics/Optek Technology	Obsolete	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB933W51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB933W55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB943W51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB983L11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB983L51Z	TT Electronics / Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB983P11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB983P51Z	TT Electronics / Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB983T51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB993L11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant
OPB993L55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	NPN - Open Collector, Inverted	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to OPB993P11Z and maintain identical electrical and mechanical specifications. Selection among substitute options should prioritize active product status and current inventory availability. OPB983T51Z offers the highest inventory level at 20,199 units, providing supply chain stability. OPB983L51Z and OPB983P51Z provide secondary options with substantial inventory levels of 1,900 and 2,108 units respectively.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original part. Wire lead packaging and chassis mount configuration remain consistent across all options, supporting direct mechanical and electrical integration into existing designs.

Frequently Asked Questions (FAQ)

Q: Can OPB993P11Z be directly replaced with any of the listed substitute parts?

A: Yes. All listed substitute parts maintain identical electrical specifications (4.75V ~ 5.25V supply, 15 mA current, 70ns response time), identical sensing characteristics (0.125" through-beam distance, NPN open collector inverted output), and identical mechanical configuration (chassis mount, module with wire leads). Direct substitution is supported without circuit modification.

Q: What is the difference between OPB933, OPB943, OPB983, and OPB993 base part numbers?

A: The provided data specifies only the parameters listed in the Key Parameters table. Differences between base part numbers are not defined within the scope of this substitution reference. Selection should be based on the electrical and mechanical equivalence criteria provided.

Q: Does packaging format affect substitution compatibility?

A: All substitute parts use identical packaging: Module, Wire Leads configuration with chassis mount. Packaging format variations (such as bulk versus other formats) do not affect electrical or mechanical compatibility. Wire lead configuration and mounting type remain constant across all options.

Q: Are there compliance or regulatory differences between the main part and substitutes?

A: No. All parts maintain ROHS3 compliance and REACH unaffected status. Moisture sensitivity level is 1 (Unlimited) across all parts. ECCN and HTSUS classifications are identical. Regulatory and compliance profiles are equivalent.

Q: Why is OPB993P11Z classified as obsolete?

A: Product status reflects manufacturer lifecycle designation. Active substitute parts provide equivalent functionality with ongoing manufacturer support and supply availability.

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