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OSA-SH-224DM3M,000 Equivalent & Substitute Parts
Part Overview
The OSA-SH-224DM3M,000 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays. This DPST-NO (2 Form A) relay operates on a 24VDC coil and is rated for 3A switching capacity at 240VAC or 30VDC maximum. The component features through-hole mounting with PC pin termination and is fully sealed.
The OSA-SH-224DM3M,000 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production builds, repairs, and system upgrades where this relay is specified.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Coil Voltage | 24VDC |
| Contact Form | DPST-NO (2 Form A) |
| Contact Rating (Current) | 3 A |
| Switching Voltage | 240VAC, 30VDC - Max |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Coil Current | 22.5 mA |
| Coil Resistance | 1.1 kOhms |
| Operating Temperature Range | -30°C ~ 60°C |
| Contact Material | Silver Alloy |
| Seal Rating | Sealed - Fully |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the OSA-SH-224DM3M,000 are identified based on strict parametric equivalence across the following critical specifications:
Coil Parameters: 24VDC coil voltage, 22.5 mA coil current, and 1.1 kOhms coil resistance must remain constant to ensure proper circuit integration and control signal compatibility.
Contact Specifications: DPST-NO (2 Form A) contact form with 3A contact rating and 240VAC/30VDC maximum switching voltage must be maintained for load switching capability and electrical safety.
Mechanical Compatibility: Through-hole mounting type and PC pin termination style must match to ensure PCB assembly compatibility without redesign.
Environmental & Compliance: Operating temperature range of -30°C to 60°C, fully sealed construction, silver alloy contacts, and ROHS3 compliance must be preserved.
Relay Series: Parts must belong to the OSA or OEG series from TE Connectivity Potter & Brumfield Relays to ensure design family consistency.
Parameter Comparison
| Parameter | OSA-SH-224DM3M,000 (Main Part) | OSA-SH-224DM3,000 (Substitute) |
|---|---|---|
| Manufacturer | TE Connectivity Potter & Brumfield Relays | TE Connectivity Potter & Brumfield Relays |
| Series | OSA, OEG | OSA, OEG |
| Product Status | Obsolete | Active |
| Coil Voltage | 24VDC | 24VDC |
| Contact Form | DPST-NO (2 Form A) | DPST-NO (2 Form A) |
| Contact Rating (Current) | 3 A | 3 A |
| Switching Voltage | 240VAC, 30VDC - Max | 240VAC, 30VDC - Max |
| Coil Current | 22.5 mA | 22.5 mA |
| Coil Resistance | 1.1 kOhms | 1.1 kOhms |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Coil Type | Non Latching | Non Latching |
| Seal Rating | Sealed - Fully | Sealed - Fully |
| Contact Material | Silver Alloy | Silver Alloy |
| Operating Temperature | -30°C ~ 60°C | -30°C ~ 60°C |
| Must Operate Voltage | 18 VDC | 18 VDC |
| Must Release Voltage | 1.2 VDC | 1.2 VDC |
| Operate Time | 20 ms | 20 ms |
| Release Time | 10 ms | 10 ms |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.41.0020 | 8536.41.0020 |
Engineering Selection Recommendations
The OSA-SH-224DM3,000 is the direct parametric equivalent for the obsolete OSA-SH-224DM3M,000. All electrical, mechanical, and environmental specifications are identical across both parts.
The primary distinction is product status: the OSA-SH-224DM3M,000 is obsolete, while the OSA-SH-224DM3,000 is active and currently manufactured. Both parts maintain ROHS3 compliance and carry identical ECCN and HTSUS classifications, ensuring regulatory and trade compliance equivalence.
For new designs, repairs, and production continuity where the OSA-SH-224DM3M,000 is specified, the OSA-SH-224DM3,000 provides full functional and mechanical interchangeability without circuit modification or PCB redesign.
Frequently Asked Questions (FAQ)
Q: Can the OSA-SH-224DM3,000 be used as a direct replacement for the OSA-SH-224DM3M,000?
A: Yes. Both parts share identical coil voltage (24VDC), contact form (DPST-NO), current rating (3A), switching voltage (240VAC/30VDC), mounting type (through-hole), and termination style (PC pin). All electrical and mechanical parameters are equivalent.
Q: What is the difference between these two part numbers?
A: The OSA-SH-224DM3M,000 is obsolete, while the OSA-SH-224DM3,000 is active production. The part numbers differ only in the suffix designation. All functional specifications remain identical.
Q: Are there any PCB layout or footprint changes required when substituting the OSA-SH-224DM3,000 for the OSA-SH-224DM3M,000?
A: No. Both relays use identical through-hole mounting with PC pin termination. PCB footprints and assembly procedures remain unchanged.
Q: Do both parts meet the same compliance standards?
A: Yes. Both the OSA-SH-224DM3M,000 and OSA-SH-224DM3,000 are ROHS3 compliant with EAR99 ECCN classification and 8536.41.0020 HTSUS code. Regulatory and trade compliance is equivalent.
Q: What is the operating temperature range for both relays?
A: Both relays operate across -30°C to 60°C. Environmental performance specifications are identical.
Q: Are the coil resistance and coil current identical between these parts?
A: Yes. Both relays have 1.1 kOhms coil resistance and 22.5 mA coil current, ensuring identical control circuit behavior and power consumption.
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