TE Connectivity Potter & Brumfield Relays 65312K General Purpose Relay SPDT

Part Overview

The TE Connectivity Potter & Brumfield Relays 65312K is a general purpose relay with Single Pole Double Throw (SPDT) contact configuration rated for 5A at 12VDC coil voltage. This through-hole mounted relay operates with a maximum switching voltage of 240VAC and maximum load switching capacity of 1200VA. The 65312K is classified as obsolete product status, necessitating identification of equivalent substitute components for ongoing system maintenance and new design implementations where this relay specification remains functionally required.

Substiute Parts

65312K

TE Connectivity Potter & Brumfield RelaysIn Stock: 124665312K Datasheet

Current PartRFQ

65312K

TE Connectivity Potter & Brumfield RelaysIn Stock: 124665312K Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 65312K general purpose relay is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Parameters:

• Coil voltage: 12VDC
• Contact form: SPDT (1 Form C)
• Contact current rating: 5 A minimum
• Maximum switching voltage: 240VAC or greater
• Maximum load switching: 1200VA or greater
• Coil current: 9.2 mA nominal
• Must operate voltage: 9 VDC or lower
• Must release voltage: 1.2 VDC or lower
• Operate time: 10 ms or faster
• Release time: 10 ms or faster
• Operating temperature range: -55°C to 85°C minimum

Mechanical Parameters:

• Mounting type: Through Hole
• Termination style: PC Pin
• Coil type: Non Latching

Compliance Parameters:

• RoHS3 Compliant
• MSL 1 (Unlimited)

Substitute parts must satisfy all specified parameters within the defined tolerances. Parts meeting these criteria are classified as parametric equivalents capable of direct functional replacement in applications designed for the 65312K relay.

Parameter Comparison

Engineering Selection Recommendations

The 65312K is classified as obsolete product status. The identified parametric equivalent maintains full electrical and mechanical compatibility with the original specification. Selection of substitute components should be based on:

Product Status Consideration: The obsolete classification of both the main part and identified equivalent indicates limited availability through standard distribution channels. Component sourcing should prioritize inventory verification and lead time assessment.

Compliance Verification: Both the main part and parametric equivalent maintain ROHS3 compliance and MSL 1 (Unlimited) rating, confirming suitability for standard manufacturing and storage environments without moisture sensitivity constraints.

Functional Equivalence: The parametric equivalent satisfies all specified electrical parameters including 12VDC coil voltage, 5A contact rating, 240VAC maximum switching voltage, and 1200VA maximum load switching capacity. Mechanical compatibility is confirmed through identical through-hole mounting and PC pin termination specifications.

Application Continuity: Direct substitution is supported for applications currently utilizing the 65312K relay where the specified electrical and mechanical parameters remain functionally required.

Frequently Asked Questions (FAQ)

Q: What defines a parametric equivalent for the 65312K relay?

A: A parametric equivalent must match all critical electrical specifications including 12VDC coil voltage, SPDT contact form, 5A contact rating, 240VAC maximum switching voltage, 1200VA maximum load switching, 9.2mA coil current, and operating temperature range of -55°C to 85°C. Mechanical compatibility requires through-hole mounting with PC pin termination. The substitute must also maintain non-latching coil type and identical timing characteristics (10ms operate and release times).

Q: Can the 65312K be replaced with a relay having higher current or voltage ratings?

A: Relays with higher current or voltage ratings are not direct substitutes. The 65312K specification defines the maximum operational envelope for the application. Selection of components with different ratings requires circuit redesign and validation to ensure compatibility with existing control logic and load characteristics.

Q: What is the significance of the 12VDC must operate voltage and 1.2VDC must release voltage?

A: The must operate voltage of 9VDC establishes the minimum coil voltage required to guarantee relay closure. The must release voltage of 1.2VDC establishes the maximum coil voltage at which the relay is guaranteed to open. These parameters define the operational margin for the relay within the application circuit and must be matched in any substitute component.

Q: How does the through-hole mounting and PC pin termination affect substitution?

A: The through-hole mounting type and PC pin termination style are mechanical specifications that determine physical compatibility with printed circuit board layouts. Substitute relays must maintain identical mounting configuration and pin arrangement to ensure direct installation without circuit board modification.

Q: What is the relevance of the 1.31 kOhms coil resistance specification?

A: The coil resistance of 1.31 kOhms determines the electrical load presented to the control circuit. This specification directly affects coil current draw (9.2mA at 12VDC) and power consumption. Substitute relays must maintain this resistance value to ensure compatibility with existing power supply and control circuit design parameters.

Q: Why is RoHS3 compliance important for this relay?

A: RoHS3 compliance confirms that the relay meets European Union restrictions on hazardous substances. This certification is required for products distributed in regulated markets and indicates compliance with environmental and safety standards applicable to electronic components.

Q: What does MSL 1 (Unlimited) moisture sensitivity level indicate?

A: MSL 1 (Unlimited) indicates that the relay has no moisture sensitivity constraints. The component does not require special moisture control during storage, handling, or manufacturing processes. This classification simplifies inventory management and eliminates the need for desiccant packaging or controlled humidity environments.