SCRH105RY-101 Equivalent & Substitute Parts

Part Overview

The SCRH105RY-101 is a 100 µH shielded surface mount inductor manufactured by Signal Transformer, rated for 1.35 A continuous current with a maximum DC resistance of 253 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 nonstandard package inductor.

Key Parameters

Parameter	Value	Unit
Inductance	100	µH
Inductance Tolerance	±30	%
Current Rating	1.35	A
DC Resistance (Max)	253	mOhm
Shielding	Shielded	—
Mounting Type	Surface Mount	—
Package Type	Nonstandard	—
Operating Temperature Range	-40°C to 125°C	—
Test Frequency	100	kHz
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SCRH105RY-101 are qualified based on the following critical parameters:

Inductance Value: 100 µH (±30% tolerance allows 70–130 µH range)
Current Rating: Minimum 1.35 A continuous current capability
DC Resistance: Maximum 253 mOhm to ensure equivalent power dissipation characteristics
Shielding: Shielded construction required
Mounting: Surface mount, nonstandard package
Test Frequency: 100 kHz inductance measurement standard
Compliance: RoHS3 and MSL Level 1 (Unlimited)

Both identified substitute parts meet these core electrical and mechanical requirements within the specified tolerances.

Parameter Comparison

Parameter	SCRH105RY-101 (Signal Transformer)	CDRH105RNP-101NC (Sumida)	DR1050-101-R (Eaton)
Inductance	100 µH	100 µH	100 µH
Inductance Tolerance	±30%	±30%	±30%
Current Rating (Amps)	1.35 A	1.35 A	1.52 A
Current - Saturation (Isat)	1.35 A	1.35 A	1.45 A
DC Resistance (Max)	253 mOhm	253 mOhm	205 mOhm
Shielding	Shielded	Shielded	Shielded
Operating Temperature Range	-40°C to 125°C	-40°C to 100°C	-40°C to 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	Nonstandard	Nonstandard	Nonstandard
Size / Dimension	0.413" L x 0.406" W (10.50mm x 10.30mm)	0.402" L x 0.394" W (10.20mm x 10.00mm)	0.413" L x 0.406" W (10.50mm x 10.30mm)
Height - Seated (Max)	0.201" (5.10mm)	0.201" (5.10mm)	0.197" (5.00mm)
Test Frequency	100 kHz	100 kHz	100 kHz
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

CDRH105RNP-101NC (Sumida America Components Inc.)

This substitute maintains identical electrical specifications (100 µH, 1.35 A, 253 mOhm) and is RoHS3 compliant with MSL Level 1. The primary consideration is the operating temperature range, which extends to 100°C versus 125°C for the original part. Physical dimensions are within 0.011" tolerance on length and width, with identical seated height. This part is suitable for applications where the upper temperature limit of 100°C is acceptable.

DR1050-101-R (Eaton - Electronics Division)

This substitute provides enhanced electrical performance with higher current rating (1.52 A versus 1.35 A) and lower DC resistance (205 mOhm versus 253 mOhm), resulting in reduced power dissipation. The operating temperature range matches the original part (-40°C to 125°C). Physical dimensions are identical to the SCRH105RY-101, with seated height 0.004" lower. This part is suitable for applications requiring improved thermal performance or higher current margin.

Both substitutes are Active product status, RoHS3 compliant, and packaged in Tape & Reel format.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters for substituting the SCRH105RY-101?

A: The inductance value (100 µH ±30%), current rating (minimum 1.35 A), DC resistance (maximum 253 mOhm), shielded construction, surface mount configuration, and nonstandard package dimensions are the primary substitution criteria. All substitute parts must maintain these specifications within tolerance.

Q: Can the CDRH105RNP-101NC be used in applications requiring operation above 100°C?

A: No. The CDRH105RNP-101NC is rated for -40°C to 100°C maximum operating temperature. Applications requiring sustained operation at temperatures between 100°C and 125°C must use the SCRH105RY-101 or DR1050-101-R.

Q: What is the advantage of the DR1050-101-R over the original SCRH105RY-101?

A: The DR1050-101-R provides higher saturation current (1.45 A versus 1.35 A) and lower DC resistance (205 mOhm versus 253 mOhm), resulting in approximately 19% reduction in resistive losses. The operating temperature range is identical. Physical dimensions are compatible.

Q: Are all three parts mechanically interchangeable?

A: The SCRH105RY-101 and DR1050-101-R have identical footprint dimensions (0.413" L x 0.406" W). The CDRH105RNP-101NC has slightly smaller dimensions (0.402" L x 0.394" W), a difference of 0.011" on each axis. PCB layout verification is required before substitution to confirm clearance compatibility.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. Both CDRH105RNP-101NC and DR1050-101-R are RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original SCRH105RY-101 specification.

Q: What is the inductance tolerance range for these parts?

A: All three parts are specified with ±30% inductance tolerance, resulting in an acceptable range of 70 µH to 130 µH at the 100 kHz test frequency.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message