T103LHCKE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The T103LHCKE is a panel-mount toggle switch manufactured by C&K, featuring SPDT (Single Pole Double Throw) circuitry with On-Off-On switching function. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing applications. The switch is rated for 0.4VA at 20V AC/DC with a circular 4.95mm panel cutout and 10-48 bushing thread. Direct replacements and functionally equivalent alternatives are available from C&K and other manufacturers.

Substiute Parts

T103LHCKE

C&KIn Stock: 812T103LHCKE Datasheet

Current PartRFQ

T103LHCPE

C&KIn Stock: 1235T103LHCPE Datasheet

DirectRFQ

200MSP3T2B1M2QE

E-SwitchIn Stock: 1809200MSP3T2B1M2QE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the T103LHCKE are identified based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

• Circuit configuration (SPDT)
• Switch function (On-Off-On)
• Mounting type (Panel Mount)
• Panel cutout dimensions (Circular - 4.95mm Dia)
• Bushing thread specification (10-48)
• Termination style (PC Pin)
• Operating temperature range (-30°C to 85°C)

Electrical Compatibility Criteria:

• Current rating must equal or exceed 0.4VA
• Voltage ratings must equal or exceed 20V AC and 20V DC

Substitutes are grouped into two categories: direct manufacturer equivalents from C&K and functionally equivalent alternatives from other manufacturers that meet all mechanical and electrical parameters.

Parameter Comparison

Engineering Selection Recommendations

T103LHCPE (C&K Direct Equivalent): This part is the primary substitute for the obsolete T103LHCKE. It maintains identical electrical ratings (0.4VA, 20V AC/DC), mechanical specifications (panel cutout, bushing thread, actuator length), and operating temperature range. The T103LHCPE is currently in active production status with 1174 units in stock. This part is ROHS3 compliant and carries REACH Affected status, indicating full regulatory compliance for new designs.

200MSP3T2B1M2QE (E-Switch Functional Equivalent): This part provides functional substitution with enhanced electrical ratings (3A at 120V AC, 28V DC). It maintains mechanical compatibility through identical panel cutout dimensions (4.95mm), bushing thread (10-48), and termination style (PC Pin). The 200MSP3T2B1M2QE is suitable for applications requiring higher current or voltage capacity while maintaining the same form factor and mounting interface. This part is ROHS3 compliant and REACH Unaffected. The actuator length differs at 5.33mm compared to 7.37mm on the main part.

Frequently Asked Questions (FAQ)

Q: Can T103LHCPE directly replace T103LHCKE without circuit modification?

A: Yes. The T103LHCPE maintains identical electrical specifications (0.4VA, 20V AC/DC), circuit configuration (SPDT), switch function (On-Off-On), and mechanical parameters (panel cutout, bushing thread, PC pin termination). No circuit modification is required.

Q: What is the key difference between T103LHCPE and 200MSP3T2B1M2QE?

A: The T103LHCPE is a direct C&K equivalent with identical electrical ratings. The 200MSP3T2B1M2QE is an E-Switch alternative with higher current (3A vs 0.4VA) and voltage ratings (120V AC vs 20V AC). Both maintain mechanical compatibility through identical panel cutout and bushing specifications. Selection depends on application voltage and current requirements.

Q: Are there packaging differences between these substitutes?

A: T103LHCKE and T103LHCPE packaging information is not specified in available data. The 200MSP3T2B1M2QE is supplied in bulk packaging.

Q: Do all substitutes meet the same operating temperature range?

A: Yes. All three parts operate across -30°C to 85°C, ensuring thermal compatibility in equivalent applications.

Q: What compliance certifications apply to each substitute?

A: T103LHCKE and 200MSP3T2B1M2QE are ROHS3 compliant and REACH Unaffected. T103LHCPE is RoHS compliant and REACH Affected. All parts are classified as EAR99 for export control purposes.

Q: Does actuator length affect mechanical compatibility?

A: Actuator length differs between parts (T103LHCKE and T103LHCPE at 7.37mm; 200MSP3T2B1M2QE at 5.33mm). Panel cutout and bushing thread specifications remain identical. Verify actuator engagement with panel thickness and control linkage geometry in your specific application.