RT114012F Equivalent & Substitute Parts

Part Overview

The RT114012F is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays. This SPDT (Single Pole Double Throw) relay features a 12VDC coil, 12A contact rating, and through-hole PC pin termination. The device is sealed with flux protection and operates across a temperature range of -40°C to 85°C. The RT114012F is currently discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing applications requiring this relay functionality.

Substiute Parts

RT114012F

TE Connectivity Potter & Brumfield RelaysIn Stock: 808RT114012F Datasheet

Current PartRFQ

RT214012

TE Connectivity Potter & Brumfield RelaysIn Stock: 2290RT214012 Datasheet

Parametric EquivalentRFQ

ALZ11F12

Panasonic Electric WorksIn Stock: 22854ALZ11F12 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RT114012F are identified based on strict parametric equivalence across the following critical specifications:

Core Electrical Parameters:

• Coil voltage: 12VDC
• Contact form: SPDT (1 Form C)
• Coil current: 33.3 mA
• Coil resistance: 360 Ohms
• Coil type: Non Latching
• Must operate voltage: 8.4 VDC
• Must release voltage: 1.2 VDC

Core Mechanical Parameters:

• Mounting type: Through Hole
• Termination style: PC Pin
• Seal rating: Sealed - Flux Protection

Contact Parameters:

• Contact material compatibility: Silver-based alloys
• Switching voltage capability: 400VAC minimum

Substitute parts are classified into two categories:

Parametric Equivalent: RT214012 maintains identical electrical and mechanical specifications with full compatibility for direct replacement.

Similar Substitute: ALZ11F12 provides functional equivalence with enhanced contact rating (16A vs 12A) and extended temperature range, suitable for applications where higher current capacity or wider operating temperature is beneficial.

Parameter Comparison

Engineering Selection Recommendations

RT214012 Selection Criteria:

The RT214012 is the primary parametric equivalent for the RT114012F. This part maintains identical electrical specifications, mechanical configuration, and performance characteristics. The RT214012 is currently in active production status with 2200 units in stock, providing immediate availability. Both parts comply with RoHS requirements and share the same base electrical parameters including 12VDC coil voltage, 12A contact rating, and 360 Ohm coil resistance. The RT214012 is packaged in tube format and carries ROHS3 compliance with REACH affected status. Direct substitution is supported for applications requiring the original RT114012F specifications.

ALZ11F12 Selection Criteria:

The ALZ11F12 functions as a similar substitute when application requirements permit enhanced performance characteristics. This Panasonic Electric Works relay provides a higher contact rating of 16A compared to the 12A specification of the RT114012F, along with an extended maximum switching voltage of 440VAC versus 400VAC. The operating temperature range extends to 105°C, providing broader thermal capability. The ALZ11F12 maintains identical coil parameters (12VDC, 33.3 mA, 360 Ohms) and through-hole PC pin termination. This part is ROHS3 compliant and REACH unaffected. Selection of the ALZ11F12 is appropriate for applications where the higher current capacity or extended temperature range provides operational benefit without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can the RT214012 be used as a direct replacement for the RT114012F?

A: Yes. The RT214012 is a parametric equivalent with identical coil voltage (12VDC), contact form (SPDT), contact rating (12A), coil current (33.3 mA), coil resistance (360 Ohms), mounting type (through hole), and termination style (PC pin). Both parts operate across -40°C to 85°C and feature sealed flux protection. The RT214012 is currently in active production status.

Q: What are the differences between the RT214012 and ALZ11F12?

A: The RT214012 and ALZ11F12 share identical coil specifications and mounting configuration. Key differences include: contact rating (12A vs 16A), switching voltage maximum (400VAC vs 440VAC), operating temperature range (-40°C to 85°C vs -40°C to 105°C), operate time (8 ms vs 15 ms), and contact material (Silver Nickel vs Silver Tin Oxide). The ALZ11F12 provides enhanced current capacity and thermal range.

Q: Is the ALZ11F12 suitable for applications originally designed for the RT114012F?

A: The ALZ11F12 is suitable for applications where the original 12A contact rating is not exceeded and the extended temperature range does not create incompatibility. The ALZ11F12 provides higher current capacity (16A) and extended switching voltage (440VAC), making it compatible with circuits designed for the RT114012F specifications. The slightly longer operate time (15 ms vs 8 ms) should be evaluated for timing-critical applications.

Q: What is the difference in packaging between these relays?

A: The RT114012F packaging specification is not defined in available documentation. The RT214012 and ALZ11F12 are both supplied in tube packaging format. Tube packaging is standard for through-hole relay distribution and does not affect electrical or mechanical compatibility.

Q: Are all three relays RoHS compliant?

A: Yes. The RT114012F is RoHS compliant. The RT214012 and ALZ11F12 are both ROHS3 compliant, representing current RoHS certification standards. All three parts meet environmental compliance requirements for restricted substance use.

Q: What is the coil resistance specification and why is it important?

A: All three relays feature 360 Ohm coil resistance. This specification determines the coil current draw at the rated voltage (12VDC). The 360 Ohm resistance produces the specified 33.3 mA coil current across all three parts, ensuring compatibility with existing drive circuits and power supply designs.

Q: Can these relays be used interchangeably in high-temperature applications?

A: The RT114012F and RT214012 operate to 85°C maximum. The ALZ11F12 extends to 105°C maximum. For applications requiring operation above 85°C, the ALZ11F12 is the appropriate selection. For applications within the -40°C to 85°C range, all three relays are functionally equivalent.