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RM84-2012-25-1024 Equivalent & Substitute Parts
Part Overview
The RM84-2012-25-1024 is a general purpose relay manufactured by Altech Corporation, featuring DPDT (2 Form C) contact configuration with 24VDC coil voltage and 8A contact rating. This through-hole mounted relay is designed for industrial control applications requiring sealed, flux-protected switching contacts. The part is Active status and ROHS3 compliant, making it suitable for current procurement and deployment in new designs.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across critical operating parameters, enabling component interchangeability in circuit designs without functional degradation.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Coil Voltage | 24VDC |
| Contact Form | DPDT (2 Form C) |
| Contact Rating (Current) | 8 A |
| Switching Voltage | 440VAC - Max |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Operating Temperature Range | -40°C ~ 85°C |
| Coil Type | Non Latching |
| Seal Rating | Sealed - Flux Protection |
| Contact Material | Silver Nickel (AgNi) |
Substitute Part Grouping Explanation
The RM84-2012-35-1024 qualifies as a parametric equivalent to the RM84-2012-25-1024 based on the following critical substitution criteria:
Electrical Parameters (Must Match):
- Coil voltage: 24VDC
- Contact form: DPDT (2 Form C)
- Contact rating: 8 A
- Switching voltage: 440VAC - Max
- Coil current: 16.7 mA
- Must operate voltage: 16.8 VDC
- Operate time: 7 ms
- Release time: 3 ms
Mechanical Parameters (Must Match):
- Mounting type: Through Hole
- Termination style: PC Pin
- Seal rating: Sealed - Flux Protection
- Contact material: Silver Nickel (AgNi)
Environmental & Compliance (Must Match):
- Operating temperature: -40°C ~ 85°C
- RoHS status: ROHS3 Compliant
- REACH status: REACH Unaffected
Both parts share the same base product number (RM84-2012) and series designation, confirming design compatibility within the Altech RM84 relay family.
Parameter Comparison
| Parameter | RM84-2012-25-1024 | RM84-2012-35-1024 | Match |
|---|---|---|---|
| Manufacturer | Altech Corporation | Altech Corporation | Yes |
| Series | RM84 | RM84 | Yes |
| Coil Voltage | 24VDC | 24VDC | Yes |
| Contact Form | DPDT (2 Form C) | DPDT (2 Form C) | Yes |
| Contact Rating (Current) | 8 A | 8 A | Yes |
| Switching Voltage | 440VAC - Max | 440VAC - Max | Yes |
| Coil Current | 16.7 mA | 16.7 mA | Yes |
| Coil Type | Non Latching | Non Latching | Yes |
| Termination Style | PC Pin | PC Pin | Yes |
| Seal Rating | Sealed - Flux Protection | Sealed - Flux Protection | Yes |
| Contact Material | Silver Nickel (AgNi) | Silver Nickel (AgNi) | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| Must Operate Voltage | 16.8 VDC | 16.8 VDC | Yes |
| Operate Time | 7 ms | 7 ms | Yes |
| Release Time | 3 ms | 3 ms | Yes |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | Yes |
| Contact Material | Silver Nickel (AgNi) | Silver Nickel (AgNi) | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| REACH Status | REACH Unaffected | REACH Unaffected | Yes |
| Coil Resistance | 1.44 kOhms | 1440 Ohms | Yes |
Engineering Selection Recommendations
Both RM84-2012-25-1024 and RM84-2012-35-1024 are Active status products from Altech Corporation and maintain full ROHS3 compliance and REACH unaffected status. Selection between these parts is based on inventory availability and procurement lead time, as all electrical, mechanical, and environmental parameters are identical. The coil resistance values (1.44 kOhms and 1440 Ohms) are equivalent expressions of the same specification.
For applications requiring immediate availability, inventory status should be the primary selection criterion. Both parts are sealed with flux protection and suitable for through-hole PCB assembly in industrial control circuits operating within the -40°C to 85°C temperature range.
Frequently Asked Questions (FAQ)
Q: Can RM84-2012-35-1024 be used as a direct replacement for RM84-2012-25-1024?
A: Yes. Both parts are parametric equivalents with identical electrical performance, contact configuration, coil voltage, current rating, and mechanical mounting characteristics. Direct substitution is supported without circuit modification.
Q: What determines substitution eligibility for these relay parts?
A: Substitution is based on matching coil voltage (24VDC), contact form (DPDT), current rating (8A), switching voltage (440VAC max), mounting type (through hole), termination style (PC pin), operating temperature range (-40°C to 85°C), and compliance certifications (ROHS3, REACH).
Q: Are there differences in coil resistance between these parts?
A: The coil resistance values are equivalent: 1.44 kOhms equals 1440 Ohms. This represents the same electrical specification expressed in different units and does not affect circuit performance.
Q: What is the significance of the sealed flux protection rating?
A: Sealed flux protection indicates the relay contacts are protected against flux contamination during PCB assembly processes, ensuring reliable contact performance and extended operational life in industrial environments.
Q: Can these relays be used in applications exceeding 440VAC switching voltage?
A: No. The maximum switching voltage rating is 440VAC. Applications requiring higher switching voltages require alternative relay designs with higher voltage ratings.
Q: What is the operating temperature range for these relays?
A: Both parts operate reliably across -40°C to 85°C. Applications outside this range require alternative relay specifications.
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