Toggle Switch SPDT 7103P3YCBES Equivalent & Substitute Parts

Part Overview

The 7103P3YCBES is an active-status toggle switch manufactured by C&K, featuring SPDT (Single Pole Double Throw) circuitry with On-Off-On switching function. This panel-mount component is rated for 0.4VA at 20V AC/DC operation and is designed for applications requiring reliable switching with a 40,000-cycle electrical life. The part is ROHS3 compliant and REACH affected, making it suitable for regulated industrial and commercial environments. Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and functional characteristics align with the original specification, enabling component interchangeability in design revisions or supply chain optimization.

Substiute Parts

7103P3YCBES
C&KIn Stock: 12547103P3YCBES Datasheet
7103P3YCBES
Current Part
100SP3T1B1M2QEH
E-SwitchIn Stock: 993100SP3T1B1M2QEH Datasheet
100SP3T1B1M2QEH
Similar

Key Parameters

Parameter Value
Manufacturer Part Number 7103P3YCBES
Manufacturer C&K
Series 7000
Circuit Configuration SPDT
Switch Function On-Off-On
Current Rating 0.4VA (AC/DC)
Voltage Rating - AC 20 V
Voltage Rating - DC 20 V
Mounting Type Panel Mount
Panel Cutout Dimensions Circular - 6.35mm Dia
Bushing Thread 1/4-40
Termination Style PC Pin
Operating Temperature Range -30°C ~ 85°C
Electrical Life 40,000 Cycles
RoHS Status ROHS3 Compliant
Product Status Active

Substitute Part Grouping Explanation

Substitution eligibility for the 7103P3YCBES is determined by strict alignment of the following critical parameters:

Mandatory Compatibility Criteria:

  • Circuit configuration: SPDT
  • Switch function: On-Off-On
  • Mounting type: Panel Mount
  • Panel cutout dimensions: Circular - 6.35mm Dia
  • Bushing thread: 1/4-40
  • Termination style: PC Pin
  • Operating temperature range: -30°C ~ 85°C minimum
  • Electrical life: 40,000 cycles minimum
  • RoHS compliance: ROHS3 Compliant

Electrical Rating Considerations: Substitute parts must meet or exceed the voltage and current ratings of the original component. The 7103P3YCBES operates at 0.4VA/20V AC/DC; substitute parts with higher electrical ratings remain compatible for applications within the original specification envelope.

The identified substitute part 100SP3T1B1M2QEH (E-Switch, Series 100) satisfies all mandatory mechanical and functional criteria while providing enhanced electrical ratings (5A/120V AC, 28V DC), ensuring full backward compatibility with the original design.

Parameter Comparison

Parameter 7103P3YCBES (C&K) 100SP3T1B1M2QEH (E-Switch) Compatibility
Circuit Configuration SPDT SPDT Match
Switch Function On-Off-On On-Off-On Match
Mounting Type Panel Mount Panel Mount Match
Panel Cutout Dimensions Circular - 6.35mm Dia Circular - 6.35mm Dia Match
Bushing Thread 1/4-40 1/4-40 Match
Termination Style PC Pin PC Pin Match
Current Rating 0.4VA (AC/DC) 5A (AC/DC) Substitute exceeds original
Voltage Rating - AC 20 V 120 V Substitute exceeds original
Voltage Rating - DC 20 V 28 V Substitute exceeds original
Operating Temperature Range -30°C ~ 85°C -30°C ~ 85°C Match
Electrical Life 40,000 Cycles 40,000 Cycles Match
RoHS Status ROHS3 Compliant ROHS3 Compliant Match
Product Status Active Active Match

Engineering Selection Recommendations

Both the 7103P3YCBES and 100SP3T1B1M2QEH maintain active product status with ROHS3 compliance, ensuring regulatory alignment for current and future applications. The 7103P3YCBES is REACH affected, while the 100SP3T1B1M2QEH is REACH unaffected; this distinction may influence supply chain decisions in regulated markets.

The 100SP3T1B1M2QEH provides superior electrical headroom with 5A/120V AC ratings compared to the original 0.4VA/20V specification, making it suitable for applications requiring higher switching capacity within the same mechanical footprint. Both components share identical panel mounting geometry, thread specifications, and termination methods, enabling direct mechanical and electrical substitution.

Selection between these parts should be based on supply availability, lead time requirements, and REACH compliance obligations specific to the end application and target market.

Frequently Asked Questions (FAQ)

Q: Can the 100SP3T1B1M2QEH directly replace the 7103P3YCBES in existing designs?

A: Yes. Both components share identical SPDT On-Off-On circuit function, panel cutout dimensions (6.35mm circular), bushing thread (1/4-40), PC pin termination, and operating temperature range (-30°C ~ 85°C). The substitute part's higher electrical ratings (5A/120V AC vs. 0.4VA/20V) ensure full backward compatibility.

Q: What are the key mechanical compatibility factors?

A: Panel mount configuration, circular cutout diameter of 6.35mm, 1/4-40 bushing thread, and PC pin termination are the critical mechanical parameters. Both parts match these specifications exactly.

Q: Does the higher current rating of the substitute part affect compatibility?

A: No. Higher electrical ratings do not compromise compatibility. Applications designed for 0.4VA/20V operation remain fully functional with a component rated for 5A/120V AC, as the substitute operates safely within the original design envelope.

Q: Are there compliance differences between these parts?

A: Both parts are ROHS3 compliant and rated for -30°C ~ 85°C operation. The 7103P3YCBES is REACH affected, while the 100SP3T1B1M2QEH is REACH unaffected. Regulatory requirements for your target market should guide final selection.

Q: What is the electrical life specification for both parts?

A: Both the 7103P3YCBES and 100SP3T1B1M2QEH are rated for 40,000 electrical cycles, ensuring equivalent operational durability.

Request Quote (Ships tomorrow)