Equivalent & Substitute Parts for 7201P4D9ALE

Part Overview

The 7201P4D9ALE is a toggle switch manufactured by C&K, classified as DPDT (Double Pole Double Throw) with On-On functionality. This through-hole, right-angle mounted switch is rated for 5A at 120V AC and 28V DC, featuring a flat anti-rotation actuator and epoxy sealed terminals. The part is currently obsolete, necessitating identification of equivalent and substitute components for ongoing applications and new designs.

Substiute Parts

7201P4D9ALE

C&KIn Stock: 12537201P4D9ALE Datasheet

Current PartRFQ

7201P4D9ARE

C&KIn Stock: 9137201P4D9ARE Datasheet

DirectRFQ

100DP1T2B4M6QE

E-SwitchIn Stock: 8284100DP1T2B4M6QE Datasheet

SimilarRFQ

1825143-1

TE Connectivity ALCOSWITCH SwitchesIn Stock: 10921825143-1 Datasheet

SimilarRFQ

WT223M1D1AB

ElectroswitchIn Stock: 1146WT223M1D1AB Datasheet

SimilarRFQ

WT223M1D1AG

ElectroswitchIn Stock: 904WT223M1D1AG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7201P4D9ALE is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration: DPDT
• Switch function: On-On
• Mounting type: Through Hole, Right Angle
• Termination style: PC Pin
• Operating temperature range: -30°C to 85°C minimum
• Voltage rating: Minimum 120V AC and 28V DC
• Current rating: Minimum 5A (AC/DC)

Substitute Categories:

Direct Equivalent (Same Manufacturer): 7201P4D9ARE meets all primary criteria with identical electrical specifications and mounting configuration. This part is manufactured by C&K from the same 7000 series and maintains full compatibility with the obsolete 7201P4D9ALE.

Similar Substitutes (Different Manufacturers): Parts 100DP1T2B4M6QE, 1825143-1, WT223M1D1AB, and WT223M1D1AG share the core DPDT On-On configuration, through-hole right-angle mounting, and PC pin termination. However, these parts exhibit variations in current rating, voltage rating, actuator type, and electrical life that must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

7201P4D9ARE (Direct Equivalent): This C&K part is the primary replacement for the obsolete 7201P4D9ALE. It maintains identical electrical specifications, mounting configuration, and mechanical dimensions. The part is currently active in production and RoHS compliant, making it suitable for new designs and legacy system replacements where regulatory compliance is required.

100DP1T2B4M6QE (E-Switch): This substitute meets the core electrical requirements of 5A at 120V AC and 28V DC. The reduced actuator length (5.08 mm versus 8.13 mm) and lower electrical life rating (40,000 cycles versus 100,000 cycles) require evaluation against specific panel depth constraints and cycle life expectations. The standard round actuator differs from the flat anti-rotation design of the original part.

1825143-1 (TE Connectivity ALCOSWITCH): This part does not meet the minimum voltage and current requirements of the original specification. The 0.4VA rating at 20V AC/DC is insufficient for applications requiring 5A at 120V AC. This part is not suitable as a direct substitute.

WT223M1D1AB (Electroswitch): The 0.5VA rating at 28V DC does not satisfy the 5A at 120V AC requirement. This part is not suitable as a direct substitute for the original application.

WT223M1D1AG (Electroswitch): This part exceeds the original current specification at 6A and meets the voltage requirements at 125V AC and 28V DC. The standard round actuator and 60,000-cycle electrical life differ from the original specifications. This part is suitable for applications where higher current capacity is acceptable and panel depth accommodates the 7.60 mm actuator length.

Frequently Asked Questions (FAQ)

Q: Can 7201P4D9ARE be used as a direct replacement for 7201P4D9ALE?

A: Yes. The 7201P4D9ARE is manufactured by C&K from the same 7000 series and maintains identical electrical specifications (5A at 120V AC and 28V DC), circuit configuration (DPDT On-On), mounting type (through-hole right-angle), actuator dimensions (8.13 mm flat anti-rotation), and termination style (PC pin). The primary difference is product status: 7201P4D9ARE is active and RoHS compliant, while 7201P4D9ALE is obsolete and RoHS non-compliant.

Q: What are the key differences between the substitute parts?

A: Substitute parts vary in current rating, voltage rating, actuator type, and electrical life. The 7201P4D9ARE maintains full electrical and mechanical compatibility. The 100DP1T2B4M6QE meets electrical requirements but features a shorter actuator (5.08 mm) and lower cycle life (40,000 cycles). The WT223M1D1AG exceeds current specifications (6A) and maintains voltage compatibility. Parts 1825143-1 and WT223M1D1AB have insufficient current and voltage ratings for the original application.

Q: Does actuator type affect substitution compatibility?

A: Actuator type affects mechanical fit and panel interface. The original 7201P4D9ALE uses a flat anti-rotation actuator (8.13 mm), while most substitutes use standard round actuators (5.08 mm to 7.62 mm). Panel cutout dimensions and actuator engagement depth must be verified before substitution. A flat anti-rotation actuator prevents unintended rotation, while a standard round actuator may allow rotation depending on panel design.

Q: Are all substitute parts RoHS compliant?

A: No. The original 7201P4D9ALE is RoHS non-compliant. The 7201P4D9ARE, 100DP1T2B4M6QE, 1825143-1, WT223M1D1AB, and WT223M1D1AG are all RoHS compliant or ROHS3 compliant. For new designs or applications subject to RoHS regulations, any of the compliant substitutes are acceptable from a regulatory standpoint.

Q: What is the significance of electrical life ratings?

A: Electrical life indicates the number of switching cycles a part can withstand before performance degradation. The original 7201P4D9ALE is rated for 100,000 cycles. The 7201P4D9ARE maintains this rating. Substitutes vary: 100DP1T2B4M6QE (40,000 cycles), 1825143-1 (6,000 cycles), WT223M1D1AB (60,000 cycles), and WT223M1D1AG (60,000 cycles). Applications requiring frequent switching should prioritize parts with higher cycle ratings.

Q: Can parts with lower current ratings be used in the original application?

A: No. The original application requires 5A switching capacity. Parts 1825143-1 (0.4VA) and WT223M1D1AB (0.5VA) cannot safely handle this current and will fail or create fire hazards. Only parts rated for 5A or higher (7201P4D9ARE at 5A, 100DP1T2B4M6QE at 5A, WT223M1D1AG at 6A) are suitable.

Q: What packaging considerations apply to these substitutes?

A: The original 7201P4D9ALE is specified with "-" packaging notation. Substitute parts are available in bulk packaging (100DP1T2B4M6QE, WT223M1D1AB, WT223M1D1AG) or standard packaging (7201P4D9ARE, 1825143-1). Packaging format does not affect electrical or mechanical compatibility but may influence procurement quantities and lead times.