SCRH124B-150 Equivalent & Substitute Parts

Part Overview

The SCRH124B-150 is a 15 µH shielded inductor manufactured by Signal Transformer, designed for surface mount applications requiring moderate current handling and low DC resistance. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts become necessary when primary inventory is unavailable, when alternative suppliers offer improved lead times, or when design flexibility permits selection from qualified equivalent components meeting identical electrical and mechanical specifications.

Substiute Parts

SCRH124B-150

Signal TransformerIn Stock: 772SCRH124B-150 Datasheet

Current PartRFQ

DR124-150-R

Eaton - Electronics DivisionIn Stock: 2510DR124-150-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SCRH124B-150 is determined by strict equivalence across the following critical parameters:

Inductance value must match at 15 µH with ±20% tolerance. Current rating must meet or exceed 4.6 A continuous operation. DC resistance must not exceed 53 mOhm maximum to maintain circuit performance within design specifications. Shielding configuration must remain shielded to preserve electromagnetic isolation. Surface mount packaging and nonstandard case dimensions (12.50 mm × 12.50 mm footprint) must be maintained. Operating temperature range must span -40°C to 125°C minimum. RoHS3 compliance and MSL 1 rating are mandatory for regulatory and manufacturing process compatibility.

The DR124-150-R from Eaton - Electronics Division qualifies as a direct substitute based on matching all critical electrical and mechanical parameters within acceptable engineering tolerances.

Parameter Comparison

Engineering Selection Recommendations

Both the SCRH124B-150 and DR124-150-R maintain Active product status with full RoHS3 compliance and REACH unaffected designation. The DR124-150-R offers measurable advantages in current handling capacity (3.6 A versus 4.6 A) and DC resistance (44.8 mOhm versus 53 mOhm maximum), resulting in lower power dissipation and improved thermal performance. The DR124-150-R also provides a lower seated height (4.50 mm versus 4.80 mm), which may benefit space-constrained applications. Both components are certified for identical operating temperature ranges and moisture sensitivity classifications, ensuring equivalent reliability in manufacturing and field deployment. Selection between these parts should be based on supplier availability, lead time requirements, and inventory status rather than electrical performance, as the DR124-150-R specifications exceed minimum design requirements.

Frequently Asked Questions (FAQ)

Q: Can the DR124-150-R replace the SCRH124B-150 in existing designs?

A: Yes. The DR124-150-R meets or exceeds all critical electrical parameters (inductance, current rating, DC resistance) and maintains identical mechanical compatibility (footprint, height clearance, surface mount configuration). No circuit redesign is required.

Q: What are the key differences between these two inductors?

A: The primary differences are manufacturer origin (Signal Transformer versus Eaton), core material specification (not provided for SCRH124B-150 versus ferrite for DR124-150-R), and performance margins. The DR124-150-R provides higher saturation current (4.62 A versus 3.2 A) and lower DC resistance (44.8 mOhm versus 53 mOhm), with a slightly lower seated height (4.50 mm versus 4.80 mm).

Q: Are there any package or footprint compatibility concerns?

A: No. Both components share identical surface mount footprints (12.50 mm × 12.50 mm) and are packaged in Tape & Reel format. PCB layout and assembly processes require no modification.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SCRH124B-150 and DR124-150-R are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (unlimited moisture sensitivity). They are equivalent for regulatory and manufacturing process requirements.

Q: Which part should be selected for new designs?

A: Selection should be based on supplier availability and lead time. From a technical standpoint, the DR124-150-R offers superior performance margins and lower power dissipation due to reduced DC resistance. Both parts are equally suitable for -40°C to 125°C operating environments.