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ASPI-0704S-101M-T Equivalent & Substitute Parts
Part Overview
The ASPI-0704S-101M-T is a 100 µH shielded drum core wirewound inductor manufactured by Abracon LLC, rated for 600 mA continuous current with 610mOhm DC resistance. This component is designed for surface mount applications requiring electromagnetic shielding in compact form factors. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial electronic assemblies operating across the -40°C to 125°C temperature range.
Substitute parts become necessary when primary component availability is limited, supply chain disruptions occur, or design flexibility is required across manufacturing locations while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance | 100 | µH |
| Inductance Tolerance | ±20 | % |
| Current Rating | 600 | mA |
| DC Resistance (DCR) | 610 | mOhm |
| Shielding | Shielded | — |
| Core Material | Ferrite | — |
| Mounting Type | Surface Mount | — |
| Physical Dimensions (L × W) | 7.30 × 7.30 | mm |
| Height (Seated Max) | 4.50 | mm |
| Operating Temperature Range | -40 to 125 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility for the ASPI-0704S-101M-T is determined by strict alignment of the following critical parameters:
- Inductance Value: 100 µH with ±20% tolerance
- Current Rating: 600 mA minimum continuous current capacity
- DC Resistance: 610mOhm maximum
- Shielding: Shielded construction required
- Core Material: Ferrite core
- Mounting: Surface mount configuration
- Physical Footprint: 7.30mm × 7.30mm × 4.50mm maximum height
- Compliance: RoHS3 compliance and MSL 1 rating
The CDRH74NP-101MC-B from Sumida America Components Inc. meets all substitution criteria across these parameters, enabling direct functional replacement in circuit designs.
Parameter Comparison
| Parameter | ASPI-0704S-101M-T (Abracon) | CDRH74NP-101MC-B (Sumida) | Compatibility |
|---|---|---|---|
| Inductance | 100 µH | 100 µH | Match |
| Inductance Tolerance | ±20% | ±20% | Match |
| Current Rating | 600 mA | 600 mA | Match |
| DC Resistance | 610mOhm | 610mOhm Max | Match |
| Shielding | Shielded | Shielded | Match |
| Core Material | Ferrite | Ferrite | Match |
| Mounting Type | Surface Mount | Surface Mount | Match |
| Physical Dimensions | 7.30 × 7.30 × 4.50 mm | 7.30 × 7.30 × 4.50 mm | Match |
| Operating Temperature | -40°C to 125°C | -40°C to 100°C | Sumida rated to 100°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
| Moisture Sensitivity | MSL 1 (Unlimited) | MSL 1 (Unlimited) | Match |
| Product Status | Active | Active | Match |
Engineering Selection Recommendations
Both the ASPI-0704S-101M-T and CDRH74NP-101MC-B maintain Active product status with full RoHS3 compliance and MSL 1 ratings, confirming ongoing manufacturer support and environmental regulatory alignment.
The primary consideration for component selection is the operating temperature upper limit. The Abracon ASPI-0704S-101M-T is rated to 125°C, while the Sumida CDRH74NP-101MC-B is rated to 100°C. For applications operating continuously above 100°C, the Abracon part is the required choice. For applications with maximum operating temperatures at or below 100°C, either part is electrically and mechanically interchangeable.
All other electrical parameters—inductance, current rating, DC resistance, and shielding characteristics—are identical between both components, ensuring functional equivalence within the specified temperature envelope of the selected substitute.
Frequently Asked Questions (FAQ)
Q: Can the CDRH74NP-101MC-B replace the ASPI-0704S-101M-T in all applications?
A: The CDRH74NP-101MC-B is a direct substitute for applications with maximum operating temperatures at or below 100°C. The Abracon part extends to 125°C. Verify your circuit's thermal requirements before substitution.
Q: Are the physical dimensions identical?
A: Yes. Both parts measure 7.30mm × 7.30mm with a maximum seated height of 4.50mm, ensuring identical PCB footprint compatibility and no layout modifications are required.
Q: Do both parts have the same inductance tolerance?
A: Yes. Both components are specified at 100 µH with ±20% tolerance, maintaining equivalent circuit performance across the tolerance band.
Q: What is the difference in DC resistance specifications?
A: The Abracon part specifies 610mOhm, while the Sumida part specifies 610mOhm Max. Both values are equivalent for substitution purposes, as the Sumida specification confirms the maximum allowable resistance does not exceed the Abracon value.
Q: Are both parts RoHS3 compliant?
A: Yes. Both the ASPI-0704S-101M-T and CDRH74NP-101MC-B are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings, meeting current environmental and reliability standards.
Q: What packaging format is used for both parts?
A: Both components are supplied in Tape & Reel (TR) packaging, standard for surface mount inductor distribution and automated assembly processes.
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