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CD75NP-560KC Equivalent & Substitute Parts
Part Overview
The CD75NP-560KC is a 56 µH unshielded surface mount inductor manufactured by Sumida America Components Inc. This fixed inductor is designed for applications requiring 940 mA current handling capability with a maximum DC resistance of 240 mOhm. The component operates across the temperature range of -40°C to 100°C and is RoHS3 compliant. Equivalent parts are identified when circuit designs require alternative sourcing, inventory availability, or when design specifications allow for compatible electrical and mechanical parameters within defined tolerances.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance | 56 | µH |
| Inductance Tolerance | ±10% | - |
| Current Rating | 940 | mA |
| DC Resistance (Max) | 240 | mOhm |
| Shielding | Unshielded | - |
| Core Material | Ferrite | - |
| Operating Temperature Range | -40°C to 100°C | - |
| Mounting Type | Surface Mount | - |
| RoHS Status | ROHS3 Compliant | - |
Substitute Part Grouping Explanation
Substitution of the CD75NP-560KC is permissible with the SDR0805-560KL based on the following electrical and mechanical compatibility criteria:
Critical Matching Parameters:
- Inductance value: 56 µH with ±10% tolerance
- Current rating: 940 mA minimum
- DC resistance: 240 mOhm maximum
- Core material: Ferrite
- Shielding configuration: Unshielded
- Mounting type: Surface Mount
- RoHS3 compliance status
The SDR0805-560KL from Bourns Inc. meets all critical electrical specifications. Both components feature identical inductance values, current ratings, and DC resistance maximums. The ferrite core construction and unshielded design are consistent across both parts. Surface mount packaging and RoHS3 compliance are maintained in the substitute part.
Parameter Comparison
| Parameter | CD75NP-560KC (Sumida) | SDR0805-560KL (Bourns) | Compatibility |
|---|---|---|---|
| Inductance | 56 µH | 56 µH | Match |
| Inductance Tolerance | ±10% | ±10% | Match |
| Current Rating | 940 mA | 940 mA | Match |
| DC Resistance (Max) | 240 mOhm | 240 mOhm | Match |
| Core Material | Ferrite | Ferrite | Match |
| Shielding | Unshielded | Unshielded | Match |
| Mounting Type | Surface Mount | Surface Mount | Match |
| Operating Temperature Range | -40°C to 100°C | -40°C to 125°C | Compatible |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Match |
| Size / Dimension | 0.307" L x 0.276" W (7.80mm x 7.00mm) | 0.307" L x 0.307" W (7.80mm x 7.80mm) | Similar |
| Height - Seated (Max) | 0.217" (5.50mm) | 0.209" (5.30mm) | Compatible |
Engineering Selection Recommendations
The SDR0805-560KL qualifies as a direct electrical equivalent to the CD75NP-560KC. Both components satisfy the core electrical requirements: 56 µH inductance, 940 mA current handling, and 240 mOhm maximum DC resistance. Both maintain RoHS3 compliance and operate within compatible temperature ranges, with the Bourns part offering an extended upper temperature limit of 125°C compared to 100°C for the Sumida part.
Physical dimensions are comparable, with minor variations in width and height that remain within typical PCB layout tolerances for surface mount applications. Both components are supplied in Tape & Reel packaging suitable for automated assembly processes.
Selection between these parts should be based on availability, lead time, cost considerations, and established supplier relationships. The electrical performance and compliance certifications are equivalent for standard circuit applications.
Frequently Asked Questions (FAQ)
Q: Can the SDR0805-560KL replace the CD75NP-560KC in existing designs?
A: Yes. The SDR0805-560KL meets all critical electrical specifications: 56 µH inductance, 940 mA current rating, and 240 mOhm maximum DC resistance. Both components feature ferrite cores, unshielded construction, and surface mount packaging. Physical dimensions are similar with compatible height profiles.
Q: What are the key parameters that determine substitution eligibility?
A: Substitution is based on matching inductance value (56 µH ±10%), current rating (940 mA minimum), DC resistance (240 mOhm maximum), core material (ferrite), shielding type (unshielded), and mounting configuration (surface mount). RoHS3 compliance and operating temperature compatibility are also required.
Q: Are there dimensional differences between these parts?
A: Minor dimensional variations exist. The CD75NP-560KC measures 0.307" L x 0.276" W (7.80mm x 7.00mm) with a maximum seated height of 0.217" (5.50mm). The SDR0805-560KL measures 0.307" L x 0.307" W (7.80mm x 7.80mm) with a maximum seated height of 0.209" (5.30mm). These differences are typically accommodated in standard PCB layouts.
Q: Do both parts have the same temperature operating range?
A: The CD75NP-560KC operates from -40°C to 100°C. The SDR0805-560KL operates from -40°C to 125°C. The Bourns part provides a wider upper temperature range, making it suitable for applications requiring extended thermal performance.
Q: Are both parts RoHS3 compliant?
A: Yes. Both the CD75NP-560KC and SDR0805-560KL are RoHS3 compliant and suitable for applications requiring environmental compliance certification.
Q: What packaging formats are available for these parts?
A: Both components are supplied in Tape & Reel (TR) packaging, standard for automated surface mount assembly processes.
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