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CD105NP-100MC Equivalent & Substitute Parts
Part Overview
The CD105NP-100MC is a 10 µH unshielded ferrite core inductor manufactured by Sumida America Components Inc., rated for 2.6 A continuous current with a maximum DC resistance of 60 mOhm. This component is designed for surface mount applications in nonstandard package configurations and is currently in active production status. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range, ensuring functional interchangeability in target applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance | 10 | µH |
| Inductance Tolerance | ±20 | % |
| Current Rating | 2.6 | A |
| DC Resistance (Max) | 60 | mOhm |
| Core Material | Ferrite | — |
| Shielding | Unshielded | — |
| Operating Temperature Range | -40 to 100 | °C |
| Mounting Type | Surface Mount | — |
| Package Type | Nonstandard | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility for the CD105NP-100MC is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Criteria:
- Inductance value: 10 µH at specified test frequency
- Inductance tolerance: ±20%
- Current rating: minimum 2.6 A
- DC resistance: maximum 60 mOhm
- Core material: Ferrite
- Shielding configuration: Unshielded
Mechanical & Environmental Equivalence Criteria:
- Mounting type: Surface Mount
- Package classification: Nonstandard
- Operating temperature range: minimum -40°C to 100°C
- Moisture sensitivity level: MSL 1 or better
- RoHS compliance: ROHS3 Compliant
The substitute part SDR1006-100ML meets all specified electrical and mechanical parameters, enabling direct functional replacement in applications where the CD105NP-100MC is currently deployed.
Parameter Comparison
| Parameter | CD105NP-100MC (Sumida) | SDR1006-100ML (Bourns) | Match Status |
|---|---|---|---|
| Inductance | 10 µH | 10 µH | Equivalent |
| Inductance Tolerance | ±20% | ±20% | Equivalent |
| Current Rating | 2.6 A | 2.6 A | Equivalent |
| DC Resistance (Max) | 60 mOhm | 60 mOhm | Equivalent |
| Core Material | Ferrite | Ferrite | Equivalent |
| Shielding | Unshielded | Unshielded | Equivalent |
| Operating Temperature Range | -40°C to 100°C | -40°C to 125°C | Substitute Exceeds |
| Mounting Type | Surface Mount | Surface Mount | Equivalent |
| Package Type | Nonstandard | Nonstandard | Equivalent |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Equivalent |
| Size / Dimension (L x W) | 10.00mm x 9.00mm | 9.80mm x 9.80mm | Similar |
| Height - Seated (Max) | 5.80mm | 5.80mm | Equivalent |
Engineering Selection Recommendations
Both the CD105NP-100MC and SDR1006-100ML are active production components with ROHS3 compliance and MSL 1 rating, confirming suitability for modern manufacturing and storage environments without moisture sensitivity constraints.
The SDR1006-100ML provides an extended operating temperature range (-40°C to 125°C versus -40°C to 100°C), offering additional thermal margin in applications subject to elevated ambient conditions. All core electrical parameters—inductance, current rating, and DC resistance—are identical between the two parts.
Dimensional compatibility is maintained, with both components featuring identical seated height (5.80mm) and comparable footprint dimensions within nonstandard package specifications. Selection between these parts should be based on supply chain availability, lead time requirements, and any application-specific thermal operating conditions.
Frequently Asked Questions (FAQ)
Q: Can SDR1006-100ML directly replace CD105NP-100MC in existing designs?
A: Yes. Both inductors meet identical electrical specifications (10 µH, 2.6 A, 60 mOhm DCR) and share equivalent mechanical mounting characteristics. Surface mount placement and PCB layout compatibility are maintained.
Q: What are the key differences between these two inductors?
A: The primary differences are manufacturer (Sumida versus Bourns), inductor construction type (CD105 versus SDR1006 drum core wirewound), and operating temperature range (100°C versus 125°C maximum). Electrical performance and physical dimensions remain equivalent.
Q: Are there any package or footprint considerations for substitution?
A: Both components use nonstandard surface mount packages with identical seated height (5.80mm). Footprint dimensions are similar (CD105NP: 10.00mm x 9.00mm; SDR1006: 9.80mm x 9.80mm), ensuring compatibility with existing PCB layouts without modification.
Q: Do both parts meet current environmental and compliance standards?
A: Yes. Both the CD105NP-100MC and SDR1006-100ML are ROHS3 compliant with MSL 1 moisture sensitivity rating, meeting current manufacturing and storage requirements.
Q: What inductance test frequency should be used for verification?
A: The CD105NP-100MC specifies inductance measurement at 2.52 MHz. The SDR1006-100ML specifies measurement at 1 kHz. Inductance values remain equivalent within the ±20% tolerance band across these test conditions.
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