NF4EB-12V-A Equivalent & Substitute Parts

Part Overview

The NF4EB-12V-A is a general purpose 4PDT (4 Form C) relay manufactured by Panasonic Electric Works, designed for through-hole mounting applications. This relay operates at 12VDC with a 2A contact rating and supports switching voltages up to 220VAC/220VDC. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where continued availability is required.

Substiute Parts

NF4EB-12V-A

Panasonic Electric WorksIn Stock: 1155NF4EB-12V-A Datasheet

Current PartRFQ

V23030A2012A104

TE Connectivity Potter & Brumfield RelaysIn Stock: 945V23030A2012A104 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NF4EB-12V-A is determined by the following critical parameters:

• Contact Form: Must be 4PDT (4 Form C) to maintain identical switching capability
• Contact Rating: Must support minimum 2A current rating
• Mounting Type: Must be through-hole to ensure PCB compatibility
• Termination Style: Must use PC Pin termination for direct socket compatibility
• Contact Material: Silver (Ag) and Gold (Au) plating acceptable for equivalent performance
• Relay Type: General purpose classification required

The substitute part V23030A2012A104 shares the same contact form, current rating, mounting type, and termination style. However, this substitute operates at 6VDC rather than 12VDC, requiring circuit-level evaluation for coil drive compatibility.

Parameter Comparison

Engineering Selection Recommendations

The V23030A2012A104 provides functional equivalence in contact switching capability (4PDT, 2A rating) and mechanical compatibility (through-hole, PC pin termination). The substitute is currently in active production status, ensuring availability for replacement and redesign applications.

The primary design consideration is coil voltage: the substitute operates at 6VDC versus the original 12VDC specification. This difference requires circuit-level verification to confirm driver compatibility. The substitute exhibits higher coil current (120 mA vs. 36.7 mA) and lower coil resistance (50 Ohms vs. 330 Ohms), necessitating confirmation that the driving circuit can supply the required current at 6V.

The V23030A2012A104 provides superior switching voltage capability (250VAC/250VDC vs. 220VAC/220VDC) and faster response times (8 ms operate, 2 ms release vs. 15 ms operate, 10 ms release). The substitute also supports an extended operating temperature range (-40°C to 70°C vs. -40°C to 65°C) and carries RoHS compliance certification.

Frequently Asked Questions (FAQ)

Q: Can the V23030A2012A104 be used as a direct replacement for the NF4EB-12V-A?

A: Mechanical and electrical contact compatibility is confirmed. However, the 6VDC coil voltage differs from the original 12VDC specification. Direct substitution requires verification that the circuit driving the relay coil can supply 120 mA at 6V. If the original circuit is designed for 12V operation, a voltage regulator or alternative power supply configuration may be necessary.

Q: What are the key parameters that determine substitution eligibility?

A: Contact form (4PDT), contact current rating (2A minimum), mounting type (through-hole), and termination style (PC pin) are the primary criteria. Both parts meet these requirements. Secondary considerations include coil voltage compatibility, switching voltage capability, and operating temperature range.

Q: Does the faster response time of the V23030A2012A104 affect system performance?

A: The substitute operates with 8 ms operate time and 2 ms release time compared to 15 ms and 10 ms respectively for the original. If the application has timing-critical functions dependent on the original relay's response characteristics, system-level testing is required to confirm acceptable performance.

Q: Are there packaging or inventory considerations?

A: The NF4EB-12V-A is obsolete with limited remaining stock. The V23030A2012A104 is in active production and available in bulk packaging, providing long-term supply assurance for new designs and ongoing production requirements.

Q: What compliance certifications apply to the substitute?

A: The V23030A2012A104 is RoHS compliant. Both parts carry EAR99 ECCN classification and share the same HTSUS code (8536.41.0020). Moisture sensitivity level is 1 (Unlimited) for both parts.