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ADJ56012 Equivalent & Substitute Parts
Part Overview
The ADJ56012 is a general purpose relay manufactured by Panasonic Electric Works, featuring a DPDT (2 Form C) contact configuration with a 12VDC coil. This through-hole mounted relay is designed for applications requiring 10A switching capacity at up to 250VAC. The part is currently active in production with 767 units in stock. Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances for this relay category, particularly when the main part faces supply constraints or when alternative packaging or lead times are preferred.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Coil Voltage | 12VDC |
| Contact Form | DPDT (2 Form C) |
| Contact Rating (Current) | 10 A |
| Switching Voltage - Max | 250VAC |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Coil Type | Non Latching |
| Seal Rating | Sealed - Fully |
| Operating Temperature Range | -40°C ~ 70°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the ADJ56012 is determined by the following critical parameters:
Primary Matching Criteria:
- Coil voltage: 12VDC (exact match required)
- Contact form: DPDT (2 Form C) (exact match required)
- Mounting type: Through hole (exact match required)
- Termination style: PC pin (exact match required)
- Coil type: Non latching (exact match required)
Secondary Compatibility Parameters:
- Contact rating current: Minimum 8A (substitute must meet or exceed application requirements)
- Switching voltage: Minimum 250VAC (substitute must meet or exceed application requirements)
- Seal rating: Fully sealed (exact match required)
- Operating temperature range: Must encompass -40°C to 70°C minimum
- RoHS compliance: ROHS3 compliant (exact match required)
The RTE24012 qualifies as a substitute based on matching all primary criteria and meeting or exceeding secondary electrical parameters, despite variations in coil current, operate/release times, and contact material composition.
Parameter Comparison
| Parameter | ADJ56012 | RTE24012 |
|---|---|---|
| Manufacturer | Panasonic Electric Works | TE Connectivity Potter & Brumfield Relays |
| Coil Voltage | 12VDC | 12VDC |
| Contact Form | DPDT (2 Form C) | DPDT (2 Form C) |
| Contact Rating (Current) | 10 A | 8 A |
| Switching Voltage - Max | 250VAC | 400VAC |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Coil Type | Non Latching | Non Latching |
| Seal Rating | Sealed - Fully | Sealed - Fully |
| Operating Temperature Range | -40°C ~ 70°C | -40°C ~ 85°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Coil Resistance | 576 Ohms | 360 Ohms |
| Coil Current | 20.8 mA | 33.3 mA |
| Operate Time | 20 ms | 8 ms |
| Release Time | 20 ms | 6 ms |
| Must Operate Voltage | 9 VDC | 8.4 VDC |
| Must Release Voltage | 1.2 VDC | 1.2 VDC |
| Contact Material | Silver Tin Oxide (AgSnO), Gold (Au) | Silver Nickel (AgNi) |
| Approval Agency | CQC, cURus, VDE | Not specified |
| Packaging | Box | Tube |
| Inventory Status | 767 Pcs New Original In Stock | 1424 Pcs New Original In Stock |
Engineering Selection Recommendations
ADJ56012 Selection:
- Primary choice when 10A contact rating is required
- Specified certifications (CQC, cURus, VDE) are mandatory for the application
- Box packaging preferred for specific handling or storage requirements
- Contact material composition (AgSnO/Au) is critical for application requirements
RTE24012 Selection:
- Suitable when application current requirement does not exceed 8A
- Higher switching voltage capability (400VAC) provides additional margin for high-voltage applications
- Faster operate and release times (8ms/6ms versus 20ms/20ms) benefit time-sensitive switching applications
- Lower must-operate voltage (8.4VDC) accommodates lower supply voltage margins
- Higher inventory availability (1424 units) supports shorter lead times
- ROHS3 compliance and fully sealed construction maintain environmental and reliability standards
- Tube packaging appropriate for automated assembly processes
Both parts maintain active production status and full compliance with ROHS3 requirements.
Frequently Asked Questions (FAQ)
Q: Can RTE24012 replace ADJ56012 in all applications?
A: RTE24012 is suitable only when the application current requirement does not exceed 8A. If the circuit requires the full 10A switching capacity of the ADJ56012, RTE24012 is not appropriate. Verify actual load current before substitution.
Q: What is the impact of different coil resistance values?
A: ADJ56012 has 576 Ohms coil resistance while RTE24012 has 360 Ohms. This results in different coil current draw (20.8mA versus 33.3mA). The power supply must be capable of delivering the higher current for RTE24012. Verify power supply capacity before substitution.
Q: Are the switching speed differences significant?
A: ADJ56012 operates and releases in 20ms each, while RTE24012 operates in 8ms and releases in 6ms. RTE24012 provides faster response. If the application has strict timing requirements, verify that faster switching is compatible with circuit behavior.
Q: Does packaging affect electrical performance?
A: No. Box versus tube packaging does not affect electrical performance. Packaging choice depends on handling, storage, and assembly process requirements. Tube packaging is standard for automated pick-and-place assembly.
Q: What certifications does RTE24012 carry?
A: RTE24012 certification information is not specified in available data. If specific certifications (CQC, cURus, VDE) are mandatory for the application, ADJ56012 is the required choice.
Q: Can I use RTE24012 in a -40°C to 70°C environment?
A: Yes. RTE24012 operating temperature range is -40°C to 85°C, which encompasses the -40°C to 70°C requirement. The extended upper temperature rating provides additional margin.
Q: What is the difference in contact material?
A: ADJ56012 uses Silver Tin Oxide (AgSnO) and Gold (Au) contacts, while RTE24012 uses Silver Nickel (AgNi). Contact material affects switching characteristics, arc resistance, and contact life. Verify compatibility with specific load types before substitution.
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