C&K 7101P3YZBES Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7101P3YZBES is a panel-mount toggle switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 0.4VA at 20V AC/DC. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The switch features a flat anti-rotation actuator with satin chrome finish, solder lug termination, and a 1/4-40 bushing thread for standard panel mounting applications.

Substiute Parts

7101P3YZBES

C&KIn Stock: 9907101P3YZBES Datasheet

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7101P3YZBE

C&KIn Stock: 10627101P3YZBE Datasheet

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100SP1T3B1M1QEH

E-SwitchIn Stock: 1127100SP1T3B1M1QEH Datasheet

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100SP1T3B3M1QEH

E-SwitchIn Stock: 939100SP1T3B3M1QEH Datasheet

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34ASP11B1M1QT

Grayhill Inc.In Stock: 112934ASP11B1M1QT Datasheet

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34ASP11B1M1RT

Grayhill Inc.In Stock: 112234ASP11B1M1RT Datasheet

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34ASP13B1M1RT

Grayhill Inc.In Stock: 118234ASP13B1M1RT Datasheet

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34ASP16B1M1QT

Grayhill Inc.In Stock: 99034ASP16B1M1QT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the 7101P3YZBES is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Electrical Parameters: Current rating (0.4VA AC/DC), voltage rating (20V AC/DC), and circuit configuration (SPDT On-On).

Mechanical Parameters: Panel mount configuration, circular 6.35mm panel cutout, 1/4-40 bushing thread, and solder lug termination.

Environmental Parameters: Operating temperature range (-30°C to 85°C), RoHS3 compliance, and MSL rating (1 - Unlimited).

Substitute parts are grouped into two categories:

Category 1 - Direct Electrical Match (0.4VA, 20V): Parts maintaining identical electrical specifications with potential variations in actuator type and length. These include the C&K 7101P3YZBE and Grayhill 34ASP11B1M1RT and 34ASP13B1M1RT.

Category 2 - Higher Electrical Rating (5A, 120V-125V): Parts with elevated current and voltage ratings that exceed the original specification. These include E-Switch 100SP1T3B1M1QEH, 100SP1T3B3M1QEH, and Grayhill 34ASP11B1M1QT and 34ASP16B1M1QT. These parts are suitable for applications where the original specification is a design margin and higher ratings provide additional operational headroom.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Electrical Equivalence):

The C&K 7101P3YZBE is the primary substitute, maintaining identical electrical specifications (0.4VA, 20V AC/DC) and mechanical interface. This part is active in production and ROHS3 compliant, providing continuity for existing designs.

The Grayhill 34ASP11B1M1RT and 34ASP13B1M1RT both match the electrical specification of 0.4VA at 20V AC/DC. These parts differ in actuator length (10.41mm and 13.97mm respectively versus the original 11.43mm) and feature standard round actuators instead of the flat anti-rotation type. Both are active, ROHS3 compliant, and suitable for applications where actuator geometry does not impose design constraints.

For Higher Electrical Rating Applications:

The Grayhill 34ASP11B1M1QT and 34ASP16B1M1QT provide 5A at 125V AC/DC, exceeding the original specification. These parts are active and ROHS3 compliant (34ASP16B1M1QT is RoHS Compliant). Selection of these parts is appropriate when circuit requirements demand higher current or voltage capacity than the original 0.4VA, 20V specification.

The E-Switch 100SP1T3B1M1QEH and 100SP1T3B3M1QEH offer 5A at 120V AC/DC with identical mechanical interfaces. Both are active and ROHS3 compliant. These parts are suitable for applications requiring elevated electrical ratings within the same panel mount form factor.

Compliance Considerations:

All substitute parts maintain MSL rating of 1 (Unlimited) and operate within the -30°C to 85°C temperature range. ROHS3 compliance is maintained across all recommended substitutes except 34ASP16B1M1QT, which carries RoHS Compliant status. REACH compliance status varies; verify requirements for specific applications.

Frequently Asked Questions (FAQ)

Q: Can the C&K 7101P3YZBE directly replace the 7101P3YZBES?

A: Yes. The 7101P3YZBE maintains identical electrical ratings (0.4VA, 20V AC/DC), circuit configuration (SPDT On-On), and mechanical interface (panel mount, 6.35mm cutout, 1/4-40 bushing, solder lug termination). The primary difference is product status: 7101P3YZBE is active while 7101P3YZBES is obsolete.

Q: What is the difference between the Grayhill 34ASP11B1M1RT and 34ASP13B1M1RT?

A: Both parts match the electrical specification of 0.4VA at 20V AC/DC and share identical mechanical interfaces. The difference is actuator length: 34ASP11B1M1RT has a 10.41mm actuator while 34ASP13B1M1RT has a 13.97mm actuator. Selection depends on panel thickness and actuator engagement requirements.

Q: Can I use the E-Switch 100SP1T3B1M1QEH in place of the 7101P3YZBES?

A: Mechanical compatibility is confirmed: both use 6.35mm panel cutout, 1/4-40 bushing thread, and solder lug termination. However, the E-Switch part has higher electrical ratings (5A at 120V AC/DC versus 0.4VA at 20V AC/DC). This substitution is valid only if the application circuit can accommodate the higher ratings and if the standard round actuator (versus flat anti-rotation) is acceptable for the panel interface.

Q: What is the significance of the actuator type difference?

A: The original 7101P3YZBES features a flat anti-rotation actuator, which prevents unintended rotation of the actuator handle. Substitute parts with standard round actuators lack this feature. If anti-rotation is a design requirement, the C&K 7101P3YZBE is the appropriate choice. For applications where actuator rotation is not a concern, round actuator variants provide equivalent electrical and mechanical function.

Q: Are all substitute parts ROHS3 compliant?

A: Most substitute parts are ROHS3 compliant. The exception is Grayhill 34ASP16B1M1QT, which carries RoHS Compliant status. Verify specific compliance requirements for your application and regulatory jurisdiction.

Q: What is the electrical life difference between the original part and substitutes?

A: The 7101P3YZBES and 7101P3YZBE both specify 100,000 electrical cycles. All other substitute parts specify 40,000 electrical cycles. For applications with high cycle count requirements, the C&K parts provide extended operational life.

Q: Can I substitute a higher-rated part (5A, 120V-125V) in a circuit designed for 0.4VA, 20V?

A: Yes. Higher electrical ratings are backward compatible with lower-voltage, lower-current circuits. The switch will function correctly in the original application. However, the reverse substitution (using a 0.4VA, 20V part in a 5A, 120V circuit) is not permissible.