LS0851503F025C2A Snap Action Switch SPDT Equivalent & Substitute Parts

Part Overview

The LS0851503F025C2A is an active production snap action switch manufactured by E-Switch, configured as a single-pole double-throw (SPDT) device with on-momentary function. This chassis-mounted switch is rated for 15A at 125V AC and features a straight lever actuator with quick connect termination. The part is RoHS3 compliant and carries unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when inventory constraints, lead time requirements, or application-specific parameter needs necessitate alternative component selection while maintaining functional compatibility within the allowed electrical and mechanical specifications.

Substiute Parts

LS0851503F025C2A

E-SwitchIn Stock: 747LS0851503F025C2A Datasheet

Current PartRFQ

V15H22-CZ100A03

Honeywell Sensing and Productivity SolutionsIn Stock: 1249V15H22-CZ100A03 Datasheet

MFR RecommendedRFQ

V15T16-EZ100A03

Honeywell Sensing and Productivity SolutionsIn Stock: 1189V15T16-EZ100A03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LS0851503F025C2A is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration must be SPDT
• Switch function must be On-Momentary
• Actuator type must be Lever, Straight
• Mounting type must be Chassis Mount
• Current and voltage ratings must meet or exceed application requirements
• Termination style compatibility with circuit board or connector interface

Identified Substitutes:

V15H22-CZ100A03 (Honeywell Sensing and Productivity Solutions): Meets SPDT circuit and on-momentary function requirements. Current rating of 22A exceeds the 15A requirement. Voltage rating of 125V matches the primary part. Straight lever actuator and chassis mount configuration are identical. Quick Connect 0.250" (6.3mm) termination is compatible. Operating temperature range extends to 150°C, providing broader thermal capability. Mechanical life rating of 1,000,000 cycles matches the primary part.

V15T16-EZ100A03 (Honeywell Sensing and Productivity Solutions): Meets SPDT circuit and on-momentary function requirements. Current rating of 16A exceeds the 15A requirement. Voltage rating of 250V exceeds the 125V requirement, providing higher voltage margin. Straight lever actuator and chassis mount configuration are identical. Termination style is Quick Connect 0.187" (4.7mm), which differs from the primary part's 0.250" (6.3mm) specification and requires interface verification. Operating temperature range of -25°C to 125°C exceeds the primary part's upper limit. Electrical life of 50,000 cycles matches the primary part. Mechanical life of 5,000,000 cycles significantly exceeds the primary part's rating.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active production status and carry RoHS compliance certifications, ensuring regulatory alignment and supply chain continuity.

V15H22-CZ100A03 provides direct functional equivalence with identical termination geometry (0.250" quick connect), eliminating interface redesign requirements. The 22A current rating provides 47% margin above the 15A specification. Extended operating temperature range to 150°C accommodates broader thermal environments. This substitute is suitable for direct replacement in applications where termination compatibility is prioritized.

V15T16-EZ100A03 offers enhanced electrical performance with 250V voltage rating and significantly extended mechanical life (5,000,000 cycles versus 1,000,000 cycles). The 16A current rating provides 7% margin above the 15A specification. However, the 0.187" (4.7mm) quick connect termination differs from the primary part's 0.250" (6.3mm) specification and requires interface verification before implementation. This substitute is suitable for applications requiring higher voltage capability or extended mechanical durability where termination interface modification is feasible.

Frequently Asked Questions (FAQ)

Q: Can V15H22-CZ100A03 be used as a direct replacement for LS0851503F025C2A?

A: Yes. Both parts share identical SPDT circuit configuration, on-momentary function, straight lever actuator, chassis mount configuration, and 0.250" (6.3mm) quick connect termination. The V15H22-CZ100A03 provides higher current capacity (22A versus 15A) and extended temperature range (-25°C to 150°C versus -25°C to 85°C), making it functionally compatible without circuit board modification.

Q: What is the primary limitation of V15T16-EZ100A03 as a substitute?

A: The termination style differs: V15T16-EZ100A03 uses 0.187" (4.7mm) quick connect versus the primary part's 0.250" (6.3mm) quick connect. This dimensional difference requires verification of connector compatibility or circuit board redesign before implementation. Electrical and mechanical specifications are otherwise compatible or superior.

Q: Are all three parts RoHS compliant?

A: Yes. LS0851503F025C2A is RoHS3 compliant. Both Honeywell substitutes (V15H22-CZ100A03 and V15T16-EZ100A03) are RoHS compliant. All parts meet regulatory requirements for restricted substance elimination.

Q: Which substitute offers the longest mechanical life?

A: V15T16-EZ100A03 provides 5,000,000 mechanical cycles, compared to 1,000,000 cycles for both the primary part and V15H22-CZ100A03. This five-fold increase in mechanical durability is applicable to high-cycle applications.

Q: Can V15T16-EZ100A03 be used in a 125V application?

A: Yes. V15T16-EZ100A03 is rated for 250V AC, which exceeds the 125V requirement. The part operates safely at lower voltage ratings within its specified range.

Q: What inventory status should be considered for procurement?

A: LS0851503F025C2A has 731 units in stock. V15H22-CZ100A03 has 1,144 units in stock. V15T16-EZ100A03 has 1,133 units in stock. Both substitutes offer higher inventory availability.