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Coto Technology 8002-05-01 Reed Relay DPST 500mA 5V Equivalent & Substitute Parts
Part Overview
The Coto Technology 8002-05-01 is a through-hole mounted reed relay with DPST-NO (2 Form A) contact configuration, rated for 500 mA at 200VAC/200VDC maximum switching voltage. The relay operates on 5VDC coil voltage with integrated diode protection and non-latching coil type. This component is classified as obsolete product status, necessitating identification of active equivalent alternatives to ensure continued design support and procurement availability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Coto Technology |
| Coil Voltage | 5VDC |
| Contact Form | DPST-NO (2 Form A) |
| Contact Rating (Current) | 500 mA |
| Switching Voltage | 200VAC, 200VDC - Max |
| Coil Current | 25 mA |
| Coil Type | Non Latching |
| Features | Diode |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Operating Temperature Range | -20°C ~ 85°C |
| Coil Resistance | 200 Ohms |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
The Coto Technology 8L02-05-01 qualifies as a direct substitute for the 8002-05-01 based on electrical and mechanical parameter equivalence. Substitution is valid when the following critical parameters match:
- Coil voltage: 5VDC
- Contact form: DPST-NO (2 Form A)
- Contact rating: 500 mA
- Switching voltage: 200VAC, 200VDC maximum
- Coil current: 25 mA
- Coil type: Non Latching
- Integrated diode feature
- Through-hole mounting with PC pin termination
- Operating temperature range: -20°C ~ 85°C
- Coil resistance: 200 Ohms
The 8L02-05-01 maintains full electrical and mechanical compatibility with the obsolete 8002-05-01, with the primary distinction being active product status and improved release time performance.
Parameter Comparison
| Parameter | 8002-05-01 (Main Part) | 8L02-05-01 (Substitute) |
|---|---|---|
| Manufacturer | Coto Technology | Coto Technology |
| Product Status | Obsolete | Active |
| Series | 8000 | 8L |
| Coil Voltage | 5VDC | 5VDC |
| Contact Form | DPST-NO (2 Form A) | DPST-NO (2 Form A) |
| Contact Rating (Current) | 500 mA | 500 mA |
| Switching Voltage | 200VAC, 200VDC - Max | 200VAC, 200VDC - Max |
| Coil Current | 25 mA | 25 mA |
| Coil Type | Non Latching | Non Latching |
| Features | Diode | Diode |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Must Operate Voltage | 3.8 VDC | 3.8 VDC |
| Must Release Voltage | 0.5 VDC | 0.5 VDC |
| Operate Time | 0.5 ms | 0.5 ms |
| Release Time | 1 ms | 0.5 ms |
| Operating Temperature Range | -20°C ~ 85°C | -20°C ~ 85°C |
| Coil Resistance | 200 Ohms | 200 Ohms |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.41.0030 | 8536.41.0030 |
Engineering Selection Recommendations
The Coto Technology 8L02-05-01 is the direct equivalent for the obsolete 8002-05-01. Selection of the 8L02-05-01 is based on the following engineering criteria:
Product Status: The 8L02-05-01 maintains active product status, ensuring long-term availability and continued manufacturing support. The 8002-05-01 is classified as obsolete, limiting procurement options and future supply chain reliability.
Regulatory Compliance: Both parts maintain REACH Unaffected status and EAR99 export classification. The 8L02-05-01 carries ROHS3 Compliant certification, representing current regulatory alignment compared to the RoHS Compliant designation of the 8002-05-01.
Electrical Equivalence: All critical electrical parameters are identical, including coil voltage, contact rating, switching voltage, coil current, and coil resistance. The 8L02-05-01 demonstrates improved release time performance (0.5 ms versus 1 ms), providing enhanced switching response characteristics.
Mechanical Compatibility: Both parts utilize identical through-hole mounting with PC pin termination, ensuring direct PCB footprint compatibility without design modification.
Frequently Asked Questions (FAQ)
Q: Can the 8L02-05-01 be used as a direct replacement for the 8002-05-01 without circuit modification?
A: Yes. The 8L02-05-01 maintains identical electrical specifications and mechanical mounting configuration. No circuit modification is required for substitution.
Q: What is the primary difference between the 8002-05-01 and 8L02-05-01?
A: The 8L02-05-01 is the active production equivalent with improved release time (0.5 ms versus 1 ms) and current regulatory compliance status. The 8002-05-01 is obsolete.
Q: Are there packaging differences between these parts?
A: The 8002-05-01 uses standard packaging, while the 8L02-05-01 is supplied in tube packaging. Both maintain identical electrical and mechanical specifications.
Q: Do both parts meet current environmental and export regulations?
A: Yes. Both parts are REACH Unaffected and classified as EAR99 for export purposes. The 8L02-05-01 carries ROHS3 Compliant certification for current regulatory alignment.
Q: What is the coil resistance specification for both parts?
A: Both the 8002-05-01 and 8L02-05-01 have a coil resistance of 200 Ohms at 5VDC.
Q: Are the operating temperature ranges identical?
A: Yes. Both parts operate across the temperature range of -20°C to 85°C.
Q: What is the contact current rating for these relays?
A: Both parts are rated for 500 mA maximum contact current at 200VAC or 200VDC switching voltage.
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