RJ1V-C-D12 Equivalent & Substitute Parts

Part Overview

The RJ1V-C-D12 is a general purpose relay manufactured by IDEC, featuring SPDT (1 Form C) contact configuration with 12VDC coil voltage and 12A contact rating. This through-hole mounted relay is designed for PCB applications requiring sealed flux protection. The product is currently in Last Time Buy status, making identification of active equivalent parts essential for ongoing procurement and design continuity.

Substiute Parts

RJ1V-C-D12

IDECIn Stock: 925RJ1V-C-D12 Datasheet

Current PartRFQ

RC1V-C-D12

IDECIn Stock: 981RC1V-C-D12 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The RC1V-C-D12 qualifies as a direct substitute for the RJ1V-C-D12 based on the following critical parameters:

• Coil Voltage: Both parts operate at 12VDC
• Contact Configuration: Both feature SPDT (1 Form C) contact form
• Contact Rating: Both rated for 12A switching capacity
• Mounting and Termination: Both use through-hole mounting with PC pin termination
• Switching Voltage Compatibility: RC1V-C-D12 supports 440VAC and 300VDC maximum, exceeding the RJ1V-C-D12 specification of 250VAC and 125VDC
• Coil Activation Thresholds: Both share identical must-operate (8.4 VDC) and must-release (1.2 VDC) voltages

The RC1V-C-D12 represents an active product with enhanced electrical performance characteristics and improved environmental specifications.

Parameter Comparison

Engineering Selection Recommendations

The RC1V-C-D12 is the recommended substitute for the RJ1V-C-D12 based on the following factors:

Product Status: The RC1V-C-D12 maintains active product status, ensuring long-term availability and supply chain continuity, whereas the RJ1V-C-D12 is designated Last Time Buy.

Regulatory Compliance: The RC1V-C-D12 carries RoHS Compliant certification, meeting current environmental and regulatory requirements for electronic components in most markets.

Electrical Performance: The RC1V-C-D12 provides superior switching voltage ratings (440VAC, 300VDC versus 250VAC, 125VDC), offering greater margin for high-voltage applications.

Operational Characteristics: The RC1V-C-D12 demonstrates faster release time (5 ms versus 10 ms) and lower coil current draw (33 mA versus 44.2 mA), resulting in improved switching response and reduced power consumption.

Temperature Range: The RC1V-C-D12 extends the upper operating temperature limit to 85°C, compared to 70°C for the RJ1V-C-D12, supporting applications in elevated thermal environments.

Frequently Asked Questions (FAQ)

Q: Can the RC1V-C-D12 be used as a direct replacement for the RJ1V-C-D12 in existing PCB designs?

A: Yes. Both relays share identical coil voltage (12VDC), contact configuration (SPDT), current rating (12A), mounting type (through-hole), and termination style (PC pin). The RC1V-C-D12 meets or exceeds all electrical specifications of the RJ1V-C-D12.

Q: What are the differences in contact material between these two relays?

A: The RJ1V-C-D12 uses Silver Nickel (AgNi) contacts, while the RC1V-C-D12 uses Silver Tin Oxide (AgSnO) contacts. Both materials are suitable for general-purpose relay applications at the specified current and voltage ratings.

Q: Does the difference in coil current (44.2 mA versus 33 mA) affect circuit design?

A: The RC1V-C-D12 requires lower coil current, which reduces power consumption and heat generation in the coil drive circuit. Existing driver circuits designed for the RJ1V-C-D12 will operate the RC1V-C-D12 without modification, as the lower current requirement represents improved efficiency.

Q: Are there packaging considerations when switching from RJ1V-C-D12 to RC1V-C-D12?

A: The RJ1V-C-D12 is supplied in bulk packaging, while the RC1V-C-D12 is supplied in tube packaging. Both are through-hole mounted components with identical pin configurations, so PCB layout and assembly processes remain unchanged.

Q: What is the significance of the RC1V-C-D12 being RoHS Compliant?

A: RoHS compliance indicates the RC1V-C-D12 meets restrictions on hazardous substances, making it suitable for applications subject to environmental regulations in the EU and other regions with similar requirements.

Q: How does the extended temperature range of the RC1V-C-D12 affect application suitability?

A: The RC1V-C-D12 operates to 85°C versus 70°C for the RJ1V-C-D12. This extended range qualifies the RC1V-C-D12 for applications in higher ambient temperature environments or equipment with elevated internal operating temperatures.