CD75NP-820KC Equivalent & Substitute Parts

Part Overview

The CD75NP-820KC is a 82 µH unshielded surface mount inductor manufactured by Sumida America Components Inc. This fixed inductor is designed for applications requiring 780 mA current handling capability with a maximum DC resistance of 370 mOhm. The component operates across the temperature range of -40°C to 100°C and is RoHS3 compliant. As an active product with 5800 pieces in stock, alternative equivalent parts may be required for design flexibility, supply chain optimization, or specific application requirements where substitute inductors meet identical electrical and mechanical specifications.

Substiute Parts

CD75NP-820KC
Sumida America Components Inc.In Stock: 5862CD75NP-820KC Datasheet
CD75NP-820KC
Current Part
SDR0805-820KL
Bourns Inc.In Stock: 1948SDR0805-820KL Datasheet
SDR0805-820KL
Direct

Key Parameters

Parameter Value
Inductance 82 µH
Inductance Tolerance ±10%
Current Rating 780 mA
DC Resistance (DCR) 370 mOhm Max
Shielding Unshielded
Material - Core Ferrite
Mounting Type Surface Mount
Operating Temperature Range -40°C ~ 100°C
RoHS Status RoHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CD75NP-820KC are identified based on strict equivalence of core electrical and mechanical parameters. The substitution criteria are:

Primary Equivalence Parameters:

  • Inductance value: 82 µH with ±10% tolerance
  • Current rating: 780 mA minimum
  • DC resistance: 370 mOhm maximum
  • Core material: Ferrite
  • Shielding configuration: Unshielded
  • Surface mount packaging
  • RoHS3 compliance

The SDR0805-820KL from Bourns Inc. meets all primary equivalence parameters and qualifies as a direct substitute. Both components share identical inductance, current rating, and DC resistance specifications. Both are ferrite core, unshielded inductors in surface mount configuration with RoHS3 compliance and MSL 1 rating.

Parameter Comparison

Parameter CD75NP-820KC (Sumida) SDR0805-820KL (Bourns) Equivalence Status
Inductance 82 µH 82 µH Equivalent
Inductance Tolerance ±10% ±10% Equivalent
Current Rating (Amps) 780 mA 780 mA Equivalent
DC Resistance (DCR) 370 mOhm Max 370 mOhm Max Equivalent
Material - Core Ferrite Ferrite Equivalent
Shielding Unshielded Unshielded Equivalent
Mounting Type Surface Mount Surface Mount Equivalent
Operating Temperature Range -40°C ~ 100°C -40°C ~ 125°C Compatible (Bourns extends upper limit)
RoHS Status RoHS3 Compliant RoHS3 Compliant Equivalent
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) Equivalent
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) Minor dimensional difference in width
Height - Seated (Max) 0.217" (5.50mm) 0.209" (5.30mm) Compatible (within tolerance)

Engineering Selection Recommendations

Both the CD75NP-820KC and SDR0805-820KL are active products with RoHS3 compliance and MSL 1 rating, making them suitable for equivalent substitution in applications requiring 82 µH inductance at 780 mA current levels. The SDR0805-820KL provides an extended operating temperature range to 125°C compared to the CD75NP-820KC at 100°C, offering additional thermal margin in high-temperature environments. Both components maintain identical electrical performance specifications including inductance, current rating, and DC resistance. The minor dimensional variation in width (7.00mm versus 7.80mm) and height (5.50mm versus 5.30mm) should be verified against specific PCB layout constraints and mechanical clearance requirements before final component selection.

Frequently Asked Questions (FAQ)

Q: Can the SDR0805-820KL directly replace the CD75NP-820KC in existing designs?

A: Yes, the SDR0805-820KL meets all primary electrical equivalence criteria: 82 µH inductance, 780 mA current rating, 370 mOhm maximum DC resistance, ferrite core, unshielded configuration, and surface mount packaging. PCB layout verification is required to confirm compatibility with the minor dimensional differences in width and height.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by: inductance value (82 µH ±10%), current rating (780 mA minimum), DC resistance (370 mOhm maximum), core material (ferrite), shielding type (unshielded), mounting configuration (surface mount), and compliance certifications (RoHS3, MSL 1).

Q: Are there dimensional compatibility concerns between these parts?

A: The CD75NP-820KC measures 7.80mm L x 7.00mm W x 5.50mm H, while the SDR0805-820KL measures 7.80mm L x 7.80mm W x 5.30mm H. The width difference of 0.80mm and height difference of 0.20mm require verification against PCB footprint design and available board space.

Q: Do both parts have identical temperature operating ranges?

A: The CD75NP-820KC operates from -40°C to 100°C, while the SDR0805-820KL operates from -40°C to 125°C. The Bourns component provides extended high-temperature capability, which may be advantageous in thermally demanding applications.

Q: Are both parts RoHS3 compliant?

A: Yes, both the CD75NP-820KC and SDR0805-820KL are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, meeting current environmental and reliability standards.

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