SCRH64B-100 Equivalent & Substitute Parts

Part Overview

The SCRH64B-100 is a 10 µH shielded inductor manufactured by Signal Transformer, rated for 1.35 A with a maximum DC resistance of 120mOhm. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part operates across the industrial temperature range of -40°C to 125°C and meets ROHS3 compliance requirements.

Substiute Parts

SCRH64B-100

Signal TransformerIn Stock: 1191SCRH64B-100 Datasheet

Current PartRFQ

744778510

Würth ElektronikIn Stock: 4975744778510 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCRH64B-100 is based on the following critical parameters:

• Inductance Value: 10 µH (primary electrical specification)
• Current Rating: Minimum 1.35 A required; higher ratings acceptable
• DC Resistance: Maximum 120 mOhm; lower values acceptable
• Shielding: Shielded configuration required
• Operating Temperature: -40°C to 125°C minimum range required
• Mounting Type: Surface Mount required
• Compliance: ROHS3 compliance required

The substitute part 744778510 (Würth Elektronik WE-PD Robust series) meets all substitution criteria with improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 744778510 (Würth Elektronik WE-PD Robust series) is a direct substitute for the obsolete SCRH64B-100. The substitute part provides equivalent inductance and shielding characteristics while exceeding the current rating and saturation current specifications of the original component. Both parts maintain identical operating temperature ranges and meet ROHS3 compliance requirements.

The substitute part carries AEC-Q200 automotive qualification, indicating enhanced reliability validation. The Würth Elektronik part is currently in active production status with confirmed inventory availability, ensuring long-term supply continuity compared to the obsolete Signal Transformer original.

Physical dimensions differ slightly between the two parts (6.50mm × 6.40mm × 5.20mm for SCRH64B-100 versus 6.20mm × 5.90mm × 3.30mm for 744778510), requiring verification of PCB layout compatibility before implementation.

Frequently Asked Questions (FAQ)

Q: Can the 744778510 be used as a direct replacement for SCRH64B-100?

A: Yes. Both parts share identical inductance values (10 µH), shielding configuration, operating temperature range (-40°C to 125°C), and surface mount packaging. The substitute part meets or exceeds all electrical requirements of the original component.

Q: What are the key differences between these parts?

A: The primary differences are current rating (1.9 A versus 1.35 A), DC resistance (125 mOhm versus 120 mOhm), and physical dimensions. The substitute part provides higher current capacity and includes AEC-Q200 qualification. Physical size reduction may require PCB layout verification.

Q: Are there any compliance or certification concerns?

A: Both parts are ROHS3 compliant and REACH unaffected. The substitute part includes AEC-Q200 automotive qualification, which is not specified for the original part. This represents an enhancement in validation and reliability documentation.

Q: What should be verified before implementation?

A: PCB footprint compatibility must be confirmed due to dimensional differences. The substitute part is 1.9 mm shorter in height (3.30 mm versus 5.20 mm seated height) and slightly smaller in length and width. Electrical performance in the specific circuit application should be validated through standard engineering testing procedures.

Q: Is the substitute part readily available?

A: Yes. The 744778510 is in active production status with 4948 pieces confirmed in stock, compared to the obsolete status of the original SCRH64B-100 with limited remaining inventory of 1100 pieces.