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8L41-24-011 Equivalent & Substitute Parts
Part Overview
The Coto Technology 8L41-24-011 is an active reed relay with SPDT contact configuration, rated for 250 mA at 24VDC coil voltage. This component is a non-latching relay with integrated diode protection, designed for through-hole PCB mounting. Alternative models become necessary when higher current capacity, extended operating temperature range, or improved switching performance is required for specific application requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 8L41-24-011 |
| Manufacturer | Coto Technology |
| Coil Voltage | 24VDC |
| Contact Form | SPDT (1 Form C) |
| Contact Rating (Current) | 250 mA |
| Coil Current | 12 mA |
| Coil Resistance | 2 kOhms |
| Switching Voltage | 100VAC, 100VDC - Max |
| Must Operate Voltage | 19.2 VDC |
| Must Release Voltage | 2 VDC |
| Operate Time | 1 ms |
| Release Time | 1 ms |
| Operating Temperature | -20°C ~ 85°C |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Coil Type | Non Latching |
| Features | Diode |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Active |
Substitute Part Grouping Explanation
The Standex-Meder Electronics DIP24-1C90-51D qualifies as a functional equivalent based on the following matched electrical and mechanical parameters:
Matched Parameters:
- Coil voltage: 24VDC (identical)
- Contact form: SPDT (1 Form C) (identical)
- Coil current: 12 mA (identical)
- Coil resistance: 2 kOhms (identical)
- Coil type: Non latching (identical)
- Features: Diode (identical)
- Termination style: PC Pin (identical)
- Mounting type: Through hole (identical)
- Packaging: Tube (identical)
- RoHS3 compliance (identical)
- MSL: 1 (Unlimited) (identical)
- REACH status: REACH Unaffected (identical)
Differentiation Parameters: The DIP24-1C90-51D provides increased contact rating current (500 mA vs 250 mA) and higher maximum switching voltage (175VAC/175VDC vs 100VAC/100VDC), with faster operation time (0.7 ms vs 1 ms). Operating temperature range is reduced (-20°C ~ 70°C vs -20°C ~ 85°C). Both parts maintain active product status with full compliance certifications.
Parameter Comparison
| Parameter | 8L41-24-011 (Coto) | DIP24-1C90-51D (Standex-Meder) |
|---|---|---|
| Manufacturer Part Number | 8L41-24-011 | DIP24-1C90-51D |
| Manufacturer | Coto Technology | Standex-Meder Electronics |
| Coil Voltage | 24VDC | 24VDC |
| Contact Form | SPDT (1 Form C) | SPDT (1 Form C) |
| Contact Rating (Current) | 250 mA | 500 mA |
| Coil Current | 12 mA | 12 mA |
| Coil Resistance | 2 kOhms | 2 kOhms |
| Switching Voltage (Max) | 100VAC, 100VDC | 175VAC, 175VDC |
| Must Operate Voltage | 19.2 VDC | 16.8 VDC |
| Must Release Voltage | 2 VDC | 3.6 VDC |
| Operate Time | 1 ms | 0.7 ms |
| Release Time | 1 ms | 1.5 ms |
| Operating Temperature | -20°C ~ 85°C | -20°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Coil Type | Non Latching | Non Latching |
| Features | Diode | Diode |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the 8L41-24-011 and DIP24-1C90-51D maintain active product status with full ROHS3 compliance and REACH unaffected certification. The selection between these parts is determined by application-specific requirements:
Select the 8L41-24-011 when contact current capacity of 250 mA is sufficient and maximum operating temperature of 85°C is required.
Select the DIP24-1C90-51D when higher contact current capacity (500 mA), increased switching voltage capability (175V), and faster operation time (0.7 ms) are needed, with the constraint that maximum operating temperature is limited to 70°C.
Both parts are suitable for through-hole PCB assembly with identical PC pin termination and package format.
Frequently Asked Questions (FAQ)
Q: Can the DIP24-1C90-51D replace the 8L41-24-011 in all applications?
A: Substitution is valid when application current requirements do not exceed 250 mA (the 8L41-24-011 rating), or when they exceed 250 mA and the DIP24-1C90-51D's 500 mA capacity is acceptable. Temperature range compatibility must be verified; the 8L41-24-011 operates to 85°C while the DIP24-1C90-51D operates to 70°C maximum.
Q: Are the coil parameters identical between these parts?
A: Yes. Both parts feature 24VDC coil voltage, 12 mA coil current, 2 kOhms coil resistance, non-latching coil type, and integrated diode protection.
Q: What is the difference in must-operate and must-release voltage specifications?
A: The 8L41-24-011 requires 19.2 VDC minimum to operate and 2 VDC maximum to release. The DIP24-1C90-51D requires 16.8 VDC minimum to operate and 3.6 VDC maximum to release. Both specifications remain within normal 24VDC supply operating ranges.
Q: Do both parts have identical packaging and termination?
A: Yes. Both parts use through-hole mounting with PC pin termination style and tube packaging.
Q: Are compliance certifications identical?
A: Yes. Both parts are ROHS3 compliant, REACH unaffected, with MSL rating 1 (unlimited moisture sensitivity).
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