SCRH105A-220 Equivalent & Substitute Parts

Part Overview

The SCRH105A-220 is a 22 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. Substitute parts become necessary when primary inventory is unavailable, when alternative packaging formats are required, or when design specifications allow for compatible electrical parameters within defined tolerances.

Substiute Parts

SCRH105A-220

Signal TransformerIn Stock: 758SCRH105A-220 Datasheet

Current PartRFQ

DR124-220-R

Eaton - Electronics DivisionIn Stock: 2367DR124-220-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The DR124-220-R from Eaton - Electronics Division qualifies as a substitute for the SCRH105A-220 based on the following alignment of critical parameters:

• Inductance value: Both parts specify 22 µH at 100 kHz test frequency
• Inductance tolerance: Both maintain ±20% tolerance
• Shielding classification: Both are shielded designs
• Operating temperature range: Both support -40°C to 125°C
• Mounting configuration: Both are surface mount components
• Compliance certifications: Both are ROHS3 compliant with EAR99 ECCN classification

Substitution is valid where the design allows for the specified parameter variations between the two parts.

Parameter Comparison

Engineering Selection Recommendations

Both the SCRH105A-220 and DR124-220-R maintain Active product status with full ROHS3 compliance and EAR99 ECCN classification, confirming regulatory alignment for industrial and commercial applications. The DR124-220-R offers superior DC resistance performance at 64.8 mOhm compared to 70 mOhm, reducing resistive losses in the circuit. However, the SCRH105A-220 provides higher continuous current rating at 3.95 A versus 3.2 A. Physical dimensions differ, with the DR124-220-R occupying a larger footprint (12.50 mm x 12.50 mm) but lower profile height (4.50 mm versus 6.00 mm). Selection between these parts depends on circuit current requirements, available PCB space, and thermal management considerations within the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can the DR124-220-R replace the SCRH105A-220 in all applications?

A: Substitution is valid where circuit design allows for the current rating difference. The DR124-220-R is rated for 3.2 A continuous current versus 3.95 A for the SCRH105A-220. Applications requiring sustained current above 3.2 A must use the SCRH105A-220.

Q: What are the physical space implications of substitution?

A: The DR124-220-R has a larger footprint (12.50 mm x 12.50 mm versus 10.50 mm x 10.50 mm) but lower seated height (4.50 mm versus 6.00 mm). PCB layout must accommodate the increased lateral dimensions.

Q: Are both parts suitable for the same temperature operating range?

A: Yes. Both the SCRH105A-220 and DR124-220-R operate across -40°C to 125°C, ensuring thermal compatibility in equivalent applications.

Q: How do the DC resistance values affect circuit performance?

A: The DR124-220-R provides lower DC resistance at 64.8 mOhm maximum compared to 70 mOhm for the SCRH105A-220. This results in reduced resistive losses and lower heat generation in the inductor.

Q: Are packaging and moisture sensitivity considerations identical?

A: Both parts feature Moisture Sensitivity Level 1 (Unlimited) and are ROHS3 compliant. Packaging format differs, with the DR124-220-R supplied in Cut Tape and Digi-Reel formats.