RCR108DNP-100M Equivalent & Substitute Parts

Part Overview

The RCR108DNP-100M is a 10 µH shielded inductor manufactured by Sumida America Components Inc., rated for 2.8 A continuous current with a maximum DC resistance of 50mOhm. This through-hole radial component operates across the temperature range of -40°C to 85°C and is classified as obsolete. Due to its obsolete product status, identifying equivalent substitute parts with compatible electrical and mechanical specifications is essential for design continuity and procurement planning.

Substiute Parts

RCR108DNP-100M

Sumida America Components Inc.In Stock: 1064RCR108DNP-100M Datasheet

Current PartRFQ

RCR110DNP-100M

Sumida America Components Inc.In Stock: 674RCR110DNP-100M Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RCR108DNP-100M is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Inductance value must be 10 µH with ±20% tolerance
• Operating temperature range must encompass -40°C to 85°C
• Shielding type must be shielded
• Core material must be ferrite
• Inductance measurement frequency must be 1 kHz

Mechanical Compatibility Requirements:

• Mounting type must be through hole
• Package configuration must be radial
• Physical dimensions must accommodate the original footprint (0.394" diameter, maximum height 0.335")

Regulatory Compliance:

• RoHS3 compliance required
• Moisture Sensitivity Level 1 (Unlimited)

The substitute part RCR110DNP-100M meets all electrical and regulatory requirements while offering improved performance characteristics in current rating and DC resistance.

Parameter Comparison

Engineering Selection Recommendations

The RCR110DNP-100M is a direct electrical substitute for the obsolete RCR108DNP-100M. Both components share identical inductance values, tolerance specifications, operating temperature ranges, and regulatory compliance certifications. The RCR110DNP-100M is currently in active production status, ensuring long-term availability and supply chain continuity.

The RCR110DNP-100M provides superior electrical performance with a higher current rating (3.51 A versus 2.8 A) and lower DC resistance (23mOhm Max versus 50mOhm Max). These improvements result in reduced power dissipation and enhanced thermal performance in the application circuit.

Physical dimensions require evaluation: the RCR110DNP-100M has a maximum seated height of 0.413" (10.50mm) compared to 0.335" (8.50mm) for the RCR108DNP-100M. PCB layout and component clearance must be verified to accommodate this 0.078" (2.00mm) height increase. Both components maintain the same 0.394" (10.00mm) diameter footprint.

ROHS3 compliance and MSL 1 (Unlimited) ratings are maintained across both parts, ensuring regulatory and environmental compatibility.

Frequently Asked Questions (FAQ)

Q: Can the RCR110DNP-100M directly replace the RCR108DNP-100M in existing designs?

A: Electrical substitution is valid. The RCR110DNP-100M maintains the same 10 µH inductance, ±20% tolerance, and operating temperature range. Physical layout verification is required due to the increased seated height (0.413" versus 0.335"). Confirm PCB clearance and component spacing before implementation.

Q: What are the key differences between these two inductors?

A: The primary differences are product status (obsolete versus active), current rating (2.8 A versus 3.51 A), DC resistance (50mOhm Max versus 23mOhm Max), and seated height (0.335" versus 0.413"). Electrical specifications for inductance, tolerance, temperature range, and shielding are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both the RCR108DNP-100M and RCR110DNP-100M are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings.

Q: Why is the RCR108DNP-100M listed as obsolete?

A: The RCR108DNP-100M is classified as obsolete by the manufacturer. The RCR110DNP-100M is the active production equivalent, offering improved specifications and guaranteed long-term availability.

Q: Does the height difference affect circuit performance?

A: Height difference does not affect electrical performance. Verification is limited to mechanical PCB layout considerations, including component clearance, trace routing, and assembly constraints.

Q: What is the inductance measurement frequency for both parts?

A: Both inductors are specified at 1 kHz inductance test frequency, ensuring consistent measurement and comparison standards.