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Coto Technology 7201-24-1000 Equivalent & Substitute Parts
Part Overview
The Coto Technology 7201-24-1000 is a REED SPST relay operating at 24VDC with a 1A contact rating. This part is classified as Obsolete, necessitating identification of active equivalent components for continued system integration and procurement. The S8-2405VU from Sensata-Cynergy3 provides functional equivalence with enhanced electrical performance and active manufacturing status.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 7201-24-1000 |
| Manufacturer | Coto Technology |
| Product Status | Obsolete |
| Coil Voltage | 24VDC |
| Contact Form | SPST-NO (1 Form A) |
| Contact Rating (Current) | 1 A |
| Switching Voltage | 500VAC, 500VDC |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| RoHS Status | RoHS Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
The S8-2405VU qualifies as a functional substitute based on matching core electrical and mechanical parameters:
Critical Matching Parameters:
- Coil Voltage: 24VDC (both parts)
- Contact Form: SPST-NO (1 Form A) (both parts)
- Contact Rating: 1 A (both parts)
- Mounting Type: Through Hole (both parts)
- Termination Style: PC Pin (both parts)
- Moisture Sensitivity Level: MSL 1 (Unlimited) (both parts)
Enhanced Performance Characteristics: The S8-2405VU operates at higher switching voltage levels (1000VAC, 1000VDC versus 500VAC, 500VDC) while maintaining identical coil voltage and contact rating specifications, enabling operation in broader voltage environments without compromising core functionality.
Parameter Comparison
| Parameter | 7201-24-1000 (Obsolete) | S8-2405VU (Active) |
|---|---|---|
| Manufacturer | Coto Technology | Sensata-Cynergy3 |
| Product Status | Obsolete | Active |
| Coil Voltage | 24VDC | 24VDC |
| Contact Form | SPST-NO (1 Form A) | SPST-NO (1 Form A) |
| Contact Rating (Current) | 1 A | 1 A |
| Switching Voltage (Max) | 500VAC, 500VDC | 1000VAC, 1000VDC |
| Coil Current | 13.4 mA | 15.5 mA |
| Must Operate Voltage | 18 VDC | 19 VDC |
| Must Release Voltage | 2 VDC | 4 VDC |
| Operate Time | 2 ms | 1 ms |
| Release Time | 1 ms | 0.5 ms |
| Operating Temperature Range | -20°C ~ 85°C | -40°C ~ 85°C |
| Coil Resistance | 1.78 kOhms | 1.55 kOhms |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
The S8-2405VU serves as the primary substitute for the obsolete 7201-24-1000. Selection of this substitute is supported by:
Regulatory and Compliance Alignment: Both components maintain EAR99 export classification and matching HTSUS codes (8536.41.0030). The S8-2405VU demonstrates current regulatory compliance through ROHS3 certification, exceeding the RoHS compliance of the original part. Both components maintain REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity ratings.
Operational Equivalence: Identical coil voltage, contact form, current rating, mounting type, and termination style ensure direct functional replacement. The substitute part operates within the same mechanical and electrical envelope.
Extended Product Lifecycle: The S8-2405VU maintains active manufacturing status, ensuring long-term availability and supply chain stability compared to the obsolete 7201-24-1000.
Frequently Asked Questions (FAQ)
Q: Can the S8-2405VU directly replace the 7201-24-1000 in existing designs?
A: Yes. Both components share identical coil voltage (24VDC), contact form (SPST-NO), current rating (1A), mounting type (Through Hole), and termination style (PC Pin). Direct mechanical and electrical substitution is supported.
Q: What performance differences exist between these parts?
A: The S8-2405VU provides enhanced switching voltage capability (1000VAC/1000VDC versus 500VAC/500VDC), faster switching times (1 ms operate, 0.5 ms release versus 2 ms operate, 1 ms release), and an extended operating temperature range (-40°C to 85°C versus -20°C to 85°C). Coil current increases marginally from 13.4 mA to 15.5 mA.
Q: Does the higher switching voltage of the S8-2405VU affect circuit design?
A: The higher maximum switching voltage represents an enhancement that does not constrain existing applications. Circuits designed for the 500VAC/500VDC rating of the 7201-24-1000 operate within the 1000VAC/1000VDC envelope of the substitute without modification.
Q: Are packaging differences relevant for procurement?
A: The 7201-24-1000 is supplied in standard packaging, while the S8-2405VU is supplied in Bulk packaging. Both maintain identical Through Hole mounting and PC Pin termination. Packaging differences do not affect functional compatibility.
Q: What is the significance of the MSL 1 rating for both components?
A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions. Both components require no special moisture control during storage or handling, simplifying logistics and inventory management.
Q: Do regulatory certifications differ between these parts?
A: Both components maintain EAR99 export classification. The S8-2405VU holds ROHS3 certification, representing current regulatory standards, while the 7201-24-1000 holds RoHS compliance. Both maintain REACH Unaffected status with matching HTSUS classification.
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