VF4-15F11-C05 Equivalent & Substitute Parts

Part Overview

The VF4-15F11-C05 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays. This SPDT (Single Pole Double Throw) relay is configured for 12VDC coil operation with a 40A contact rating and socketable mounting. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional and electrical compatibility for continued system support and new designs.

Substiute Parts

VF4-15F11-C05

TE Connectivity Potter & Brumfield RelaysIn Stock: 942VF4-15F11-C05 Datasheet

Current PartRFQ

V23134-A3052-X540

TE Connectivity Potter & Brumfield RelaysIn Stock: 883V23134-A3052-X540 Datasheet

SimilarRFQ

CB1-R-12V

Panasonic Electric WorksIn Stock: 9341CB1-R-12V Datasheet

DirectRFQ

CB1F-T-R-12V

Panasonic Electric WorksIn Stock: 997CB1F-T-R-12V Datasheet

DirectRFQ

CB1F-R-12V

Panasonic Electric WorksIn Stock: 1786CB1F-R-12V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VF4-15F11-C05 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Contact Form: SPDT (1 Form C)
• Coil Voltage: 12VDC
• Contact Rating (Current): 40 A
• Mounting Type: Socketable
• Termination Style: Plug In, Quick Connect - 0.250" (6.3mm)
• Coil Type: Non Latching

Acceptable Variation Parameters:

• Coil Current: 133-134 mA range
• Coil Resistance: 89.5-90 Ohms range
• Must Operate Voltage: 7.0-7.2 VDC range
• Operating Temperature Range: Minimum -40°C to maximum 85°C or higher
• Contact Material: Silver Nickel or Silver Alloy (Cadmium Free)
• Operate/Release Time: Variations within functional application requirements

All identified substitute parts meet these criteria and are classified as active products with current manufacturing status.

Parameter Comparison

Engineering Selection Recommendations

V23134-A3052-X540 (TE Connectivity Potter & Brumfield)

This substitute maintains identical electrical and mechanical specifications to the VF4-15F11-C05 while offering active product status. The V23134-A3052-X540 is manufactured by the same supplier and shares the VF4 series base platform. This part is RoHS Compliant and carries MSL rating of 1 (Unlimited), providing superior moisture handling characteristics compared to the obsolete original. Selection of this part eliminates supplier transition requirements.

CB1-R-12V (Panasonic Electric Works)

This substitute provides functional equivalence with cross-manufacturer compatibility. The CB1-R-12V operates within acceptable parameter ranges with coil current of 134 mA and coil resistance of 89.5 Ohms. The part features fully sealed construction and is ROHS3 Compliant with REACH Unaffected status. Operating temperature range extends to -40°C minimum but limits to 85°C maximum, which is acceptable for applications not requiring the full 125°C upper range of the original. Operate and release times extend to 15 ms each, which is acceptable for non-time-critical switching applications.

CB1F-T-R-12V (Panasonic Electric Works)

This substitute offers the broadest operating temperature range (-40°C ~ 125°C) matching the original specification. The CB1F-T-R-12V features flux protection sealing and is RoHS Compliant with MSL rating of 1 (Unlimited). Coil current and resistance parameters fall within acceptable variation ranges. Operate and release times of 15 ms each are consistent with other Panasonic alternatives. This part is suitable for applications requiring extended temperature performance.

CB1F-R-12V (Panasonic Electric Works)

This substitute provides sealed flux protection construction with ROHS3 Compliance and REACH Unaffected status. Operating temperature range extends to -40°C minimum but limits to 85°C maximum. Electrical parameters match the CB1-R-12V and CB1F-T-R-12V variants. This part is appropriate for applications within the -40°C to 85°C temperature envelope.

Frequently Asked Questions (FAQ)

Q: Can the VF4-15F11-C05 be directly replaced with any of these substitute parts?

A: All identified substitute parts maintain functional equivalence across mandatory parameters including contact form (SPDT), coil voltage (12VDC), contact rating (40A), mounting type (socketable), and termination style (0.250" quick connect). Direct replacement is supported from an electrical and mechanical standpoint. Variations in operate/release time and operating temperature range must be evaluated against specific application requirements.

Q: What is the primary difference between the TE Connectivity V23134-A3052-X540 and the Panasonic CB series alternatives?

A: The V23134-A3052-X540 maintains identical electrical timing characteristics (7 ms operate, 2 ms release) to the original VF4-15F11-C05, while Panasonic CB series parts extend operate and release times to 15 ms each. The V23134-A3052-X540 eliminates supplier transition, whereas Panasonic alternatives introduce cross-manufacturer sourcing. Contact material differs: the original and V23134 use Silver Nickel, while Panasonic parts use Silver Alloy (Cadmium Free).

Q: Are there temperature range limitations when substituting with Panasonic CB1-R-12V or CB1F-R-12V?

A: The CB1-R-12V and CB1F-R-12V are rated to -40°C ~ 85°C, which is 40°C lower than the original VF4-15F11-C05 upper limit of 125°C. Applications requiring operation above 85°C must use either the V23134-A3052-X540 or CB1F-T-R-12V, both of which support the full -40°C ~ 125°C range.

Q: What is the significance of the sealing features in the Panasonic CB series?

A: The CB1-R-12V features fully sealed construction, while CB1F-T-R-12V and CB1F-R-12V include flux protection sealing. These features provide enhanced environmental protection compared to the unsealed VF4-15F11-C05. Sealed construction is beneficial in applications exposed to moisture, contaminants, or soldering flux residue.

Q: How do coil current specifications affect circuit design when substituting parts?

A: The original VF4-15F11-C05 specifies 133 mA coil current, while all Panasonic alternatives specify 134 mA. This 1 mA difference is negligible for most circuit designs. The V23134-A3052-X540 maintains the 133 mA specification. Coil resistance values (90 Ohms for TE parts, 89.5 Ohms for Panasonic parts) are functionally equivalent and do not require circuit modification.

Q: What compliance certifications should be considered when selecting a substitute?

A: The V23134-A3052-X540 is RoHS Compliant. The CB1-R-12V and CB1F-R-12V are ROHS3 Compliant with REACH Unaffected status. The CB1F-T-R-12V is RoHS Compliant. All parts carry MSL rating of 1 (Unlimited), indicating superior moisture sensitivity performance. Selection should align with system-level compliance requirements for RoHS, REACH, and environmental standards.

Q: Can operate and release time differences between the original and Panasonic substitutes affect system performance?

A: The original VF4-15F11-C05 operates in 7 ms and releases in 2 ms. Panasonic CB series parts operate and release in 15 ms each. This 8 ms difference in operate time and 13 ms difference in release time is significant for time-critical switching applications. Applications with strict timing requirements should retain the V23134-A3052-X540 or evaluate whether the extended timing of Panasonic parts is acceptable for the specific circuit function.