CDRH124NP-151MC Equivalent & Substitute Parts

Part Overview

The CDRH124NP-151MC is a 150 µH shielded surface mount inductor manufactured by Sumida America Components Inc. This fixed inductor is designed for applications requiring moderate current handling at 950 mA with a maximum DC resistance of 530mOhm. The component operates across the temperature range of -40°C to 100°C and is RoHS3 compliant. As an active product with established market availability, equivalent and substitute parts from alternative manufacturers are available to support design flexibility, supply chain redundancy, and application-specific performance optimization.

Substiute Parts

CDRH124NP-151MC

Sumida America Components Inc.In Stock: 791CDRH124NP-151MC Datasheet

Current PartRFQ

SRR1240-151K

Bourns Inc.In Stock: 2145SRR1240-151K Datasheet

DirectRFQ

DRA124-151-R

Eaton - Electronics DivisionIn Stock: 2275DRA124-151-R Datasheet

SimilarRFQ

PA4303.154NLT

Pulse ElectronicsIn Stock: 5994PA4303.154NLT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CDRH124NP-151MC is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 150 µH (exact match required)
• Inductance tolerance: ±20% or tighter
• Current rating: minimum 950 mA
• DC resistance: 530mOhm or lower
• Shielding: Shielded configuration
• Core material: Ferrite
• Mounting type: Surface Mount
• Package classification: Nonstandard
• Operating temperature range: minimum -40°C to 100°C coverage
• RoHS3 compliance

Secondary Compatibility Factors:

• Physical dimensions within acceptable PCB layout constraints
• MSL rating of 1 (Unlimited) for handling compatibility
• Surface mount assembly process compatibility

All substitute parts listed meet or exceed the primary matching criteria. Variations in secondary parameters such as saturation current, Q factor, and self-resonant frequency do not preclude substitution when primary electrical and mechanical specifications are satisfied.

Parameter Comparison

Engineering Selection Recommendations

SRR1240-151K (Bourns Inc.): This substitute provides improved inductance tolerance (±10% versus ±20%) and lower DC resistance (440mOhm versus 530mOhm), resulting in reduced power dissipation. The higher current rating of 1.1 A provides additional design margin. Extended operating temperature range to 125°C supports broader application environments. RoHS3 compliance and MSL 1 rating ensure regulatory and handling compatibility. Physical dimensions increase to 12.50mm x 12.50mm; PCB layout verification is required.

DRA124-151-R (Eaton - Electronics Division): This substitute maintains current rating compatibility at 967 mA with reduced DC resistance of 454mOhm. The extended operating temperature range to 165°C accommodates high-temperature applications beyond the main part specification. AEC-Q200 automotive qualification provides additional reliability certification. Inductance tolerance remains at ±20%. Physical dimensions increase to 12.50mm x 12.50mm; PCB layout verification is required.

PA4303.154NLT (Pulse Electronics): This substitute matches the current rating at 950 mA with DC resistance of 462mOhm. Operating temperature range extends to 125°C. RoHS3 and REACH compliance are confirmed. Physical dimensions increase to 12.50mm x 12.50mm with maximum height of 5.00mm; PCB layout and clearance verification is required due to increased height compared to the main part.

All substitute parts maintain RoHS3 compliance and MSL 1 rating, ensuring compatibility with standard surface mount assembly processes and environmental regulations.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters that determine if a part can substitute for the CDRH124NP-151MC?

A: The inductance value must be 150 µH. The current rating must be at least 950 mA. The DC resistance must not exceed 530mOhm. The component must be shielded, ferrite core, surface mount, and RoHS3 compliant. Operating temperature range must cover at least -40°C to 100°C. All substitute parts listed meet these criteria.

Q: Can I use SRR1240-151K as a direct replacement without PCB modifications?

A: The SRR1240-151K has identical height (4.50mm) but increased footprint dimensions (12.50mm x 12.50mm versus 12.00mm x 12.00mm). PCB layout verification is required to confirm adequate space. If the PCB layout accommodates the larger footprint, no modifications are necessary.

Q: What is the advantage of using DRA124-151-R over the main part?

A: The DRA124-151-R provides extended operating temperature range to 165°C and includes AEC-Q200 automotive qualification. DC resistance is lower at 454mOhm, reducing power dissipation. These characteristics support high-temperature and automotive applications.

Q: Does PA4303.154NLT have any dimensional constraints I should consider?

A: The PA4303.154NLT has a maximum height of 5.00mm compared to 4.50mm for the main part. This 0.50mm increase may affect PCB clearance in space-constrained designs. Verify clearance above the component before selection.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (SRR1240-151K, DRA124-151-R, and PA4303.154NLT) are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and environmental requirements.

Q: What is the difference between ±10% and ±20% inductance tolerance?

A: Inductance tolerance specifies the acceptable deviation from the nominal 150 µH value. ±10% tolerance (SRR1240-151K) allows deviation from 135 µH to 165 µH. ±20% tolerance (main part, DRA124-151-R, PA4303.154NLT) allows deviation from 120 µH to 180 µH. Tighter tolerance provides more precise inductance but may have higher cost. Application requirements determine acceptable tolerance range.

Q: Can I mix different substitute parts in the same design?

A: All substitute parts meet the primary electrical and mechanical specifications for the CDRH124NP-151MC. However, mixing different manufacturers in the same circuit may introduce minor performance variations due to differences in DC resistance, saturation current, and temperature coefficients. Design validation is recommended if multiple manufacturers are used in critical applications.