SCRH127-102 Equivalent & Substitute Parts

Part Overview

The SCRH127-102 is a 1 mH shielded inductor manufactured by Signal Transformer, designed for surface mount applications. This fixed inductor operates at 610 mA rated current with a maximum DC resistance of 1.82 Ohm and is rated for operating temperatures from -40°C to 125°C. The component is ROHS3 compliant and carries an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. The part is currently in active production status with 735 units available in inventory.

Substitute components become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit operation within the electrical and mechanical tolerances of alternative qualified inductors.

Substiute Parts

SCRH127-102

Signal TransformerIn Stock: 808SCRH127-102 Datasheet

Current PartRFQ

CDRH127NP-102MC

Sumida America Components Inc.In Stock: 2281CDRH127NP-102MC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The CDRH127NP-102MC qualifies as a direct substitute based on the following critical parameters:

Matching Electrical Specifications:

• Inductance: 1 mH (identical)
• Inductance Tolerance: ±20% (identical)
• DC Resistance: 1.82 Ohm Max (identical)
• Shielding: Shielded (identical)
• Inductance Test Frequency: 1 kHz (identical)

Matching Mechanical Specifications:

• Mounting Type: Surface Mount (identical)
• Package Type: Nonstandard (identical)
• Height - Seated (Max): 0.315" / 8.00mm (identical)
• Packaging Format: Tape & Reel (TR) (identical)

Compliance Alignment:

• RoHS Status: ROHS3 Compliant (identical)
• MSL Rating: 1 (Unlimited) (identical)

The substitute part operates within the electrical and mechanical envelope of the primary part, with the exception of current rating and maximum operating temperature, which are specified below.

Parameter Comparison

Engineering Selection Recommendations

The CDRH127NP-102MC is qualified as a substitute for the SCRH127-102 in applications where the circuit design operates at or below 550 mA and does not require sustained operation above 100°C. Both components maintain ROHS3 compliance and unlimited moisture sensitivity ratings, ensuring regulatory and environmental compatibility.

The primary design constraint for substitution is the current rating differential: the CDRH127NP-102MC is rated for 550 mA versus the SCRH127-102 at 610 mA. Circuit designs operating within the 550 mA threshold present no functional limitation. Designs requiring the full 610 mA capability must retain the primary part.

The secondary design constraint is the maximum operating temperature: the CDRH127NP-102MC operates to 100°C versus the SCRH127-102 at 125°C. Applications with sustained operating temperatures above 100°C require the primary part.

Both components are in active production status with established supply availability.

Frequently Asked Questions (FAQ)

Q: Can the CDRH127NP-102MC replace the SCRH127-102 in all applications?

A: The CDRH127NP-102MC is suitable for applications where circuit current does not exceed 550 mA and maximum operating temperature does not exceed 100°C. Applications requiring higher current capacity or elevated temperature operation must use the SCRH127-102.

Q: What is the physical size difference between these inductors?

A: The SCRH127-102 measures 0.492" L x 0.492" W (12.50mm x 12.50mm). The CDRH127NP-102MC measures 0.472" L x 0.472" W (12.00mm x 12.00mm). Both share identical height of 0.315" (8.00mm). The footprint difference is 0.5mm in length and width.

Q: Are both parts available in the same packaging format?

A: Yes. Both the SCRH127-102 and CDRH127NP-102MC are supplied in Tape & Reel (TR) packaging for automated assembly processes.

Q: Do both inductors meet the same compliance standards?

A: Yes. Both components are ROHS3 compliant with MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions and equivalent environmental compliance.

Q: What is the inductance tolerance for both parts?

A: Both inductors carry ±20% inductance tolerance at 1 kHz test frequency, ensuring equivalent inductance accuracy across the specified range.

Q: How do the DC resistance values compare?

A: Both inductors specify a maximum DC resistance of 1.82 Ohm, providing identical resistive characteristics for circuit design calculations.