Equivalent & Substitute Parts for U41MPD9AV2ME Toggle Switch 4PDT

Part Overview

The U41MPD9AV2ME is a 4PDT toggle switch manufactured by C&K, designed for through-hole, right-angle vertical mounting applications. This component operates at 5A (AC/DC) with 120V AC and 28V DC ratings, featuring epoxy sealed terminals and anti-rotation actuator design. The part is classified as obsolete, necessitating identification of equivalent alternatives from active product lines to maintain design continuity and ensure supply chain availability.

Substiute Parts

U41MPD9AV2ME

C&KIn Stock: 986U41MPD9AV2ME Datasheet

Current PartRFQ

U41MPD9AV2SE

C&KIn Stock: 1037U41MPD9AV2SE Datasheet

DirectRFQ

34A4P12B4M7GT

Grayhill Inc.In Stock: 94434A4P12B4M7GT Datasheet

SimilarRFQ

A423M1D9AV2B

ElectroswitchIn Stock: 751A423M1D9AV2B Datasheet

SimilarRFQ

A423M1D9AV2Q

ElectroswitchIn Stock: 954A423M1D9AV2Q Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the U41MPD9AV2ME is determined by the following critical parameters: circuit configuration (4PDT), switch function (On-On), mounting type (through hole, right angle, vertical), termination style (PC pin), and electrical ratings (current and voltage). Parts are grouped into two categories:

Direct Substitutes (Same Manufacturer - C&K): Parts maintaining identical electrical specifications, mounting geometry, and termination style within the same product series.

Functional Equivalents (Alternative Manufacturers): Parts from different manufacturers that satisfy the core electrical requirements (4PDT, 5A minimum current rating, 120V+ AC rating, 28V DC rating) and identical mounting/termination characteristics, though with potential variations in actuator design, electrical life, or temperature range.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: U41MPD9AV2SE (C&K)

The U41MPD9AV2SE is the direct substitute for the obsolete U41MPD9AV2ME. Both parts share identical electrical specifications (5A AC/DC, 120V AC, 28V DC), mounting configuration (through hole, right angle, vertical), termination style (PC pin), and actuator geometry (6.86mm anti-rotation). The U41MPD9AV2SE maintains the same 100,000-cycle electrical life and operating temperature range (-30°C to 85°C). This part is currently active in production with 996 units in stock. RoHS compliance is confirmed; REACH status is affected, requiring verification against project requirements.

Secondary Recommendation: A423M1D9AV2Q (Electroswitch)

The A423M1D9AV2Q provides functional equivalence with enhanced current rating (6A AC/DC) and higher AC voltage rating (125V), exceeding the original specification. This part maintains 4PDT configuration, On-On function, identical mounting and termination, and extended operating temperature range (-30°C to 90°C). Electrical life is reduced to 60,000 cycles. Actuator length differs (5.08mm vs. 6.86mm), requiring mechanical validation. RoHS compliant; REACH status is vendor undefined.

Tertiary Recommendation: 34A4P12B4M7GT (Grayhill Inc.)

The 34A4P12B4M7GT meets core electrical requirements (5A AC/DC, 125V AC, 28V DC) with identical mounting and termination. Electrical life is significantly reduced to 40,000 cycles, and actuator length is shorter (5.08mm). This option is suitable only for applications where reduced cycle life is acceptable. RoHS3 compliant; REACH unaffected.

Not Recommended: A423M1D9AV2B (Electroswitch)

The A423M1D9AV2B has insufficient current rating (0.5VA) and AC voltage rating (28V), making it unsuitable for the original application requirements.

Frequently Asked Questions (FAQ)

Q: Can U41MPD9AV2SE directly replace U41MPD9AV2ME without PCB modification?

A: Yes. Both parts share identical electrical ratings (5A AC/DC, 120V AC, 28V DC), mounting type (through hole, right angle, vertical), termination style (PC pin), and actuator length (6.86mm). No PCB layout changes are required.

Q: What is the impact of using A423M1D9AV2Q instead of the original part?

A: The A423M1D9AV2Q provides higher current capacity (6A vs. 5A) and voltage rating (125V AC vs. 120V AC), making it electrically compatible. However, the actuator length is reduced from 6.86mm to 5.08mm, requiring mechanical clearance verification on the panel. Electrical life is reduced from 100,000 to 60,000 cycles.

Q: Are there packaging differences between substitute parts?

A: U41MPD9AV2SE is supplied in standard packaging consistent with the original. Grayhill 34A4P12B4M7GT and Electroswitch A423M1D9AV2Q are supplied in bulk packaging. Confirm packaging requirements with procurement.

Q: What compliance certifications apply to each substitute?

A: U41MPD9AV2SE: RoHS compliant, REACH affected. 34A4P12B4M7GT: ROHS3 compliant, REACH unaffected. A423M1D9AV2Q: RoHS compliant, REACH vendor undefined. Verify compliance against project specifications before selection.

Q: Why does 34A4P12B4M7GT have lower electrical life (40,000 cycles)?

A: Electrical life is a design characteristic determined by contact material, spring tension, and internal geometry. Lower cycle ratings reflect different design parameters and do not indicate inferior quality, only different application suitability. Confirm cycle requirements for your application.

Q: Can actuator type differences (anti-rotation vs. standard round) affect functionality?

A: Actuator type affects mechanical feel and anti-rotation properties. Anti-rotation actuators prevent unintended rotation; standard round actuators allow free rotation. Verify actuator type compatibility with your mechanical design and user interface requirements.