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DSP1-DC24V-R General Purpose Relay DPST 24VDC Equivalent & Substitute Parts
Part Overview
The DSP1-DC24V-R is a general purpose relay manufactured by Panasonic Electric Works, featuring a DPST-NO/NC contact configuration with 24VDC coil voltage and 5A contact rating. This relay is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term system reliability when the original part becomes unavailable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | DSP1-DC24V-R |
| Manufacturer | Panasonic Electric Works |
| Series | DSP |
| Coil Voltage | 24VDC |
| Contact Form | DPST-NO/NC (1 Form A, 1 Form B) |
| Contact Rating (Current) | 5 A |
| Switching Voltage | 250VAC, 125VDC - Max |
| Load - Max Switching | 1500VA, 625W |
| Coil Current | 12.5 mA |
| Coil Resistance | 1.92 kOhms |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Operating Temperature | -40°C ~ 65°C |
| Contact Material | Silver Tin Oxide (AgSnO) |
| Seal Rating | Sealed - Fully |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the DSP1-DC24V-R are identified based on electrical and mechanical parameter equivalence within the DSP series. The substitution criteria are strictly limited to the following parameters:
- Coil voltage: 24VDC
- Contact form: DPST-NO/NC (1 Form A, 1 Form B)
- Contact rating: 5 A
- Switching voltage: 250VAC, 125VDC - Max
- Load capacity: 1500VA, 625W
- Coil current: 12.5 mA
- Coil resistance: 1.92 kOhms
- Mounting type: Through Hole
- Termination style: PC Pin
- Operating temperature range: -40°C ~ 65°C
- Contact material: Silver Tin Oxide (AgSnO)
- Seal rating: Sealed - Fully
All identified substitutes maintain identical electrical performance and mechanical compatibility. Differences are limited to packaging format and product status.
Parameter Comparison
| Parameter | DSP1-DC24V-R (Main) | DSP1-DC24V-R-F (Direct) | DSP1-DC24V-F (Similar) |
|---|---|---|---|
| Manufacturer Part Number | DSP1-DC24V-R | DSP1-DC24V-R-F | DSP1-DC24V-F |
| Manufacturer | Panasonic Electric Works | Panasonic Electric Works | Panasonic Electric Works |
| Series | DSP | DSP | DSP |
| Coil Voltage | 24VDC | 24VDC | 24VDC |
| Contact Form | DPST-NO/NC | DPST-NO/NC | DPST-NO/NC |
| Contact Rating (Current) | 5 A | 5 A | 5 A |
| Switching Voltage | 250VAC, 125VDC | 250VAC, 125VDC | 250VAC, 125VDC |
| Load - Max Switching | 1500VA, 625W | 1500VA, 625W | 1500VA, 625W |
| Coil Current | 12.5 mA | 12.5 mA | 12.5 mA |
| Coil Resistance | 1.92 kOhms | 1.92 kOhms | 1.92 kOhms |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin | PC Pin |
| Operating Temperature | -40°C ~ 65°C | -40°C ~ 65°C | -40°C ~ 65°C |
| Contact Material | Silver Tin Oxide (AgSnO) | Silver Tin Oxide (AgSnO) | Silver Tin Oxide (AgSnO) |
| Seal Rating | Sealed - Fully | Sealed - Fully | Sealed - Fully |
| Product Status | Obsolete | Active | Active |
| Packaging | - | Tube | Bulk |
| RoHS Status | Not specified | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
DSP1-DC24V-R-F is the direct substitute for DSP1-DC24V-R. Both parts are from the same manufacturer and series with identical electrical and mechanical specifications. The primary distinction is product status: DSP1-DC24V-R-F carries active product status and is supplied in tube packaging, whereas the original part is obsolete. DSP1-DC24V-R-F also carries ROHS3 compliance certification.
DSP1-DC24V-F is a functionally equivalent alternative within the DSP series. It maintains all critical electrical parameters and mechanical compatibility. The difference is packaging format (bulk) and the absence of reverse coil polarity feature specification in the original data. Both substitute parts are active products with current manufacturing support and ROHS3 compliance.
Selection between DSP1-DC24V-R-F and DSP1-DC24V-F depends on packaging requirements and inventory management practices. Both parts satisfy the electrical and mechanical requirements of the original DSP1-DC24V-R specification.
Frequently Asked Questions (FAQ)
Q: Can DSP1-DC24V-R-F be used as a direct replacement for DSP1-DC24V-R?
A: Yes. DSP1-DC24V-R-F is electrically and mechanically identical to DSP1-DC24V-R. Both feature 24VDC coil voltage, DPST-NO/NC contact configuration, 5A contact rating, and identical coil resistance of 1.92 kOhms. The primary difference is product status and packaging format.
Q: What is the difference between DSP1-DC24V-R-F and DSP1-DC24V-F?
A: Both parts are functionally equivalent with identical electrical specifications and mechanical compatibility. The difference is packaging: DSP1-DC24V-R-F is supplied in tube packaging, while DSP1-DC24V-F is supplied in bulk packaging. Selection depends on assembly process requirements and inventory management.
Q: Are the substitute parts ROHS compliant?
A: Yes. Both DSP1-DC24V-R-F and DSP1-DC24V-F carry ROHS3 compliance certification. The original DSP1-DC24V-R RoHS status is not specified in the available data.
Q: Do the substitute parts have the same contact material?
A: Yes. All three parts use Silver Tin Oxide (AgSnO) contact material, ensuring equivalent electrical performance and switching characteristics.
Q: What is the operating temperature range for these relays?
A: The operating temperature range for DSP1-DC24V-R and all substitute parts is -40°C to 65°C.
Q: Are there any differences in approval certifications?
A: All three parts carry identical approval certifications: cURus and VDE. No differences exist in regulatory compliance between the main part and substitutes.
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