SCRH1035R-221 Equivalent & Substitute Parts

Part Overview

The SCRH1035R-221 is a 220 µH shielded surface mount inductor manufactured by Signal Transformer, rated for 730 mA continuous current with a maximum DC resistance of 880 mOhm. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this inductance value and current rating category.

Substiute Parts

SCRH1035R-221

Signal TransformerIn Stock: 1087SCRH1035R-221 Datasheet

Current PartRFQ

CDRH104RNP-221NC

Sumida America Components Inc.In Stock: 2897CDRH104RNP-221NC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SCRH1035R-221 is determined by the following criteria:

Primary Electrical Parameters:

• Inductance value of 220 µH within ±30% tolerance
• Current rating of 700 mA or greater
• DC resistance not exceeding 880 mOhm maximum
• Shielded construction
• Test frequency of 100 kHz

Mechanical & Environmental Parameters:

• Surface mount packaging
• Operating temperature range compatible with -40°C to 125°C minimum
• Nonstandard package case type
• ROHS3 compliance
• Moisture sensitivity level 1 (Unlimited)

The CDRH104RNP-221NC from Sumida America Components Inc. meets all substitution criteria within these parameter boundaries.

Parameter Comparison

Engineering Selection Recommendations

The CDRH104RNP-221NC qualifies as a substitute for the SCRH1035R-221 based on matching inductance value, tolerance, shielding type, surface mount configuration, and regulatory compliance status. Both components are ROHS3 compliant and carry unlimited moisture sensitivity rating.

Selection between these parts should account for the following parameter differences:

• The CDRH104RNP-221NC has a continuous current rating of 700 mA, which is 30 mA lower than the SCRH1035R-221 at 730 mA. Applications requiring the full 730 mA rating must use the original part.
• The CDRH104RNP-221NC exhibits lower DC resistance at 756 mOhm maximum compared to 880 mOhm, resulting in reduced power dissipation.
• The CDRH104RNP-221NC maximum operating temperature is 100°C, compared to 125°C for the SCRH1035R-221. Applications operating above 100°C require the original part.
• The CDRH104RNP-221NC has a maximum seated height of 4.00mm versus 3.10mm for the SCRH1035R-221, requiring verification of available PCB clearance.

Both parts are Active status products with current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the CDRH104RNP-221NC replace the SCRH1035R-221 in all applications?

A: The CDRH104RNP-221NC is electrically compatible for inductance and DC resistance performance. However, applications requiring continuous current operation at 730 mA or sustained temperatures above 100°C must use the original SCRH1035R-221. Verify PCB clearance for the increased height of 4.00mm.

Q: What is the primary difference in DC resistance between these parts?

A: The CDRH104RNP-221NC has a maximum DC resistance of 756 mOhm, compared to 880 mOhm for the SCRH1035R-221. This 124 mOhm difference reduces power dissipation in the substitute part.

Q: Are both parts surface mount compatible?

A: Yes, both the SCRH1035R-221 and CDRH104RNP-221NC are surface mount inductors with nonstandard package cases, suitable for automated assembly processes.

Q: Do both parts meet the same regulatory requirements?

A: Yes, both components are ROHS3 compliant with moisture sensitivity level 1 (Unlimited) and are tested at 100 kHz inductance frequency.

Q: What is the saturation current difference?

A: The CDRH104RNP-221NC has a saturation current (Isat) of 920 mA, compared to 700 mA for the SCRH1035R-221. The substitute part provides higher saturation margin.