TE Connectivity 1432866-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity Potter & Brumfield 1432866-1 is a general purpose relay with SPST-NO (1 Form A) contact configuration, rated for 40 A at 12VDC coil voltage. This relay is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production builds, repairs, and field replacements where the original part is no longer manufactured or stocked.

Substiute Parts

1432866-1

TE Connectivity Potter & Brumfield RelaysIn Stock: 20131432866-1 Datasheet

Current PartRFQ

CB1A-P-12V

Panasonic Electric WorksIn Stock: 2419CB1A-P-12V Datasheet

DirectRFQ

CB1A-T-P-12V

Panasonic Electric WorksIn Stock: 785CB1A-T-P-12V Datasheet

DirectRFQ

CB1AF-P-12V

Panasonic Electric WorksIn Stock: 970CB1AF-P-12V Datasheet

DirectRFQ

CB1AH-P-12V

Panasonic Electric WorksIn Stock: 1000457CB1AH-P-12V Datasheet

SimilarRFQ

CB1AHF-P-12V

Panasonic Electric WorksIn Stock: 1381CB1AHF-P-12V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1432866-1 are grouped into two categories based on electrical and mechanical compatibility:

Direct Substitutes (40 A Contact Rating): CB1A-P-12V, CB1A-T-P-12V, and CB1AF-P-12V are direct substitutes that maintain the 40 A contact current rating. These parts share the following critical parameters with the main part:

• Coil Voltage: 12VDC
• Contact Form: SPST-NO (1 Form A)
• Contact Rating: 40 A
• Switching Voltage: 14VDC - Nom
• Mounting Type: Through Hole
• Termination Style: PC Pin
• Operating Temperature: -40°C ~ 85°C (CB1A-P-12V and CB1AF-P-12V); -40°C ~ 125°C (CB1A-T-P-12V)
• Coil Type: Non Latching
• RoHS Status: ROHS3 Compliant

Similar Substitutes (70 A Contact Rating): CB1AH-P-12V and CB1AHF-P-12V are similar substitutes with elevated contact current rating of 70 A. These parts are suitable for applications requiring higher current capacity while maintaining all other electrical and mechanical parameters identical to the direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (40 A Applications):

CB1A-P-12V, CB1A-T-P-12V, and CB1AF-P-12V are suitable direct replacements for the 1432866-1. All three parts are manufactured by Panasonic Electric Works with active product status, ensuring long-term availability and supply chain continuity. All substitute parts are ROHS3 compliant and carry REACH Unaffected status, providing superior regulatory compliance compared to the obsolete original part with vendor-undefined REACH status.

CB1A-T-P-12V offers extended operating temperature range to -40°C ~ 125°C, providing additional thermal margin for applications operating at elevated ambient temperatures.

CB1AF-P-12V includes flux protection sealing, suitable for applications exposed to soldering flux residues or manufacturing environments requiring enhanced protection.

CB1A-P-12V provides standard sealed construction with fully sealed features, appropriate for general industrial applications.

For Higher Current Capacity (70 A Applications):

CB1AH-P-12V and CB1AHF-P-12V are suitable for applications requiring contact current ratings exceeding 40 A. These parts maintain identical coil voltage, contact form, switching voltage, and mounting characteristics while providing 70 A contact rating. CB1AHF-P-12V includes flux protection sealing equivalent to CB1AF-P-12V.

All substitute parts maintain ROHS3 compliance and active product status, supporting long-term design continuity and component procurement.

Frequently Asked Questions (FAQ)

Q: Can CB1A-P-12V, CB1A-T-P-12V, and CB1AF-P-12V be used interchangeably with 1432866-1?

A: Yes. These three parts are direct substitutes sharing identical coil voltage (12VDC), contact form (SPST-NO), contact rating (40 A), switching voltage (14VDC nominal), mounting type (through hole), and termination style (PC pin). Selection among these three depends on specific application requirements: CB1A-T-P-12V for extended temperature range applications, CB1AF-P-12V for flux-protected environments, and CB1A-P-12V for standard industrial applications.

Q: What is the difference between CB1AH-P-12V and CB1AHF-P-12V?

A: Both parts are identical except for sealing features. CB1AH-P-12V provides fully sealed construction, while CB1AHF-P-12V includes flux protection sealing. Both maintain 70 A contact rating and all other electrical parameters identical to the 40 A rated direct substitutes.

Q: Can CB1AH-P-12V or CB1AHF-P-12V be used in place of 1432866-1?

A: Yes. These parts are suitable substitutes for applications where the 40 A contact rating of the original part is insufficient. The 70 A contact rating provides higher current capacity while maintaining all other electrical and mechanical compatibility parameters. These parts are not suitable for applications where the 40 A rating is a design constraint.

Q: What is the impact of coil resistance difference between 1432866-1 (90 Ohms) and substitute parts (103 Ohms)?

A: The substitute parts have 103 Ohm coil resistance compared to 90 Ohms in the original part. This results in lower coil current (117 mA versus 133 mA) and reduced coil power consumption. Both values fall within acceptable operating parameters for 12VDC coil applications and do not affect functional compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts (CB1A-P-12V, CB1A-T-P-12V, CB1AF-P-12V, CB1AH-P-12V, and CB1AHF-P-12V) are ROHS3 compliant. The original 1432866-1 is also ROHS3 compliant.

Q: What is the difference between contact materials in the original part versus substitutes?

A: The original 1432866-1 uses Silver Tin Oxide (AgSnO) contact material. All substitute parts use Silver Alloy with cadmium-free composition. Both contact materials are suitable for general purpose relay applications at the specified voltage and current ratings.

Q: Which substitute part should be selected for applications with temperature extremes?

A: CB1A-T-P-12V is recommended for applications requiring extended temperature operation, with operating range of -40°C ~ 125°C compared to -40°C ~ 85°C for other substitute parts. This part is suitable for automotive and industrial applications subject to elevated ambient temperatures.

Q: Are the substitute parts available in the same packaging as the original 1432866-1?

A: All substitute parts are supplied in bulk packaging, consistent with the original part packaging specification.