Equivalent & Substitute Parts for 34ASP31B1M1RT

Part Overview

The 34ASP31B1M1RT is an active SPDT toggle switch manufactured by Grayhill Inc., designed for panel mount applications with a 0.4VA current rating at 20V. This component is part of the 34A series and features a standard round actuator with solder lug termination. The part is RoHS compliant and rated for 40,000 electrical cycles across an operating temperature range of -30°C to 85°C. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

34ASP31B1M1RT

Grayhill Inc.In Stock: 110934ASP31B1M1RT Datasheet

Current PartRFQ

100SP3T1B1M1REH

E-SwitchIn Stock: 2068100SP3T1B1M1REH Datasheet

SimilarRFQ

7103SYZQE

C&KIn Stock: 18257103SYZQE Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 34ASP31B1M1RT are identified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Matching Parameters:

• Circuit configuration: SPDT
• Switch function: On-Off-On
• Mounting type: Panel Mount
• Termination style: Solder Lug
• Panel cutout dimensions: Circular - 6.35mm Dia
• Bushing thread: 1/4-40
• Operating temperature range: -30°C ~ 85°C
• Electrical life: 40,000 Cycles

Electrical Compatibility Parameters:

• Current rating: 0.4VA (AC/DC)
• Voltage rating - AC: 20 V
• Voltage rating - DC: 20 V

Parts meeting all critical parameters and electrical specifications are classified as direct equivalents. Parts meeting critical parameters but with different electrical ratings are classified as functional substitutes with application-dependent suitability.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent:

The 100SP3T1B1M1REH from E-Switch meets all critical mechanical and electrical parameters of the 34ASP31B1M1RT. Both parts share identical current ratings (0.4VA AC/DC), voltage ratings (20V AC/DC), actuator length (10.41mm), and electrical life specifications (40,000 cycles). The E-Switch part carries ROHS3 compliance, which exceeds the RoHS compliance of the original part. The addition of epoxy sealed terminals on the E-Switch variant provides enhanced environmental protection. This part is suitable for direct substitution in applications requiring equivalent electrical and mechanical performance.

Functional Substitute:

The 7103SYZQE from C&K is a functional substitute with elevated electrical ratings. This part exceeds the original specification with 5A current capacity and 120V AC rating, compared to the 0.4VA and 20V ratings of the 34ASP31B1M1RT. The DC voltage rating is 28V versus 20V. All mechanical parameters, including panel cutout dimensions, bushing thread, and actuator type, remain compatible. The 7103SYZQE is suitable for applications where higher electrical capacity is required or where supply of the original specification is unavailable. REACH status differs; the C&K part is REACH Affected, whereas the original is REACH Unaffected.

Both substitute parts maintain active product status and are available in production quantities.

Frequently Asked Questions (FAQ)

Q: Can the 100SP3T1B1M1REH directly replace the 34ASP31B1M1RT?

A: Yes. The 100SP3T1B1M1REH meets all electrical and mechanical specifications of the 34ASP31B1M1RT, including current rating (0.4VA AC/DC), voltage rating (20V AC/DC), panel mount configuration, and solder lug termination. The epoxy sealed terminals on the E-Switch part provide additional environmental protection without affecting compatibility.

Q: What are the differences between the 34ASP31B1M1RT and the 7103SYZQE?

A: The 7103SYZQE has higher electrical ratings: 5A current capacity and 120V AC rating, compared to 0.4VA and 20V on the original part. The DC voltage rating is 28V versus 20V. Mechanical parameters including panel cutout, bushing thread, and actuator type are identical. The 7103SYZQE is suitable for applications requiring higher electrical capacity.

Q: Are all substitute parts panel mount compatible?

A: Yes. All listed substitute parts feature panel mount configuration with circular 6.35mm diameter cutout and 1/4-40 bushing thread, matching the original 34ASP31B1M1RT.

Q: What is the difference in RoHS compliance between these parts?

A: The 34ASP31B1M1RT carries RoHS Compliant status. The 100SP3T1B1M1REH and 7103SYZQE carry ROHS3 Compliant status, which represents a more recent compliance standard. Both are acceptable for RoHS-regulated applications.

Q: Does the actuator length difference between 34ASP31B1M1RT and 7103SYZQE affect compatibility?

A: The actuator length difference is 0.26mm (10.41mm versus 10.67mm). This minor variation does not affect panel mount compatibility or electrical function. Panel cutout dimensions and bushing thread specifications remain identical.

Q: What is the REACH status difference between the original and C&K substitute?

A: The 34ASP31B1M1RT is REACH Unaffected. The 7103SYZQE is REACH Affected. Applications subject to REACH regulations should verify compliance requirements before selecting the C&K part.

Q: Are all parts rated for the same operating temperature range?

A: Yes. All listed parts, including the original 34ASP31B1M1RT and both substitutes, are rated for -30°C to 85°C operating temperature range.

Q: What does Moisture Sensitivity Level 1 (Unlimited) mean?

A: MSL 1 (Unlimited) indicates that the component has no moisture sensitivity restrictions and does not require special moisture control during storage, handling, or assembly.