SPD127R-223M Equivalent & Substitute Parts

Part Overview

The SPD127R-223M is a 22 µH shielded drum core wirewound inductor manufactured by API Delevan Inc., rated for 3.6 A continuous current with a maximum DC resistance of 55 mOhm. This component is currently active in production and RoHS3 compliant. Finding equivalent and substitute parts becomes necessary when managing inventory constraints, ensuring supply chain continuity, or matching specific performance requirements across different design revisions.

Substiute Parts

SPD127R-223M

API Delevan Inc.In Stock: 1421SPD127R-223M Datasheet

Current PartRFQ

DR127-220-R

Eaton - Electronics DivisionIn Stock: 2000DR127-220-R Datasheet

DirectRFQ

SRR1208-220ML

Bourns Inc.In Stock: 6172SRR1208-220ML Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SPD127R-223M is determined by the following critical parameters: inductance value (22 µH), core material (Ferrite), shielding classification (Shielded), mounting type (Surface Mount), and tolerance (±20%). The substitute parts identified are grouped as follows:

Direct Substitute (DR127-220-R): This Eaton part shares the identical inductance value, ferrite core material, shielded configuration, and surface mount technology. While the current rating increases to 4 A and DC resistance improves to 39.1 mOhm, both specifications exceed the minimum requirements of the SPD127R-223M, making this part a direct functional replacement. The operating temperature range narrows to -40°C ~ 125°C, which remains sufficient for most applications within the upper specification of the original part.

Similar Substitute (SRR1208-220ML): This Bourns part also maintains the 22 µH inductance, ferrite core, shielded design, and surface mount configuration. The current rating of 3.5 A closely matches the original 3.6 A specification, and the DC resistance of 43 mOhm provides improved performance. The operating temperature range matches the upper limit at 125°C, with adequate coverage at -40°C minimum temperature.

Parameter Comparison

Engineering Selection Recommendations

All three parts listed—SPD127R-223M, DR127-220-R, and SRR1208-220ML—maintain active product status and full RoHS3 compliance, ensuring regulatory alignment for current production and long-term availability. The SPD127R-223M offers the broadest operating temperature range extending to -55°C, suitable for applications requiring extended low-temperature performance. The DR127-220-R provides the lowest DC resistance (39.1 mOhm) and highest saturation current (7.57 A), making it advantageous for power-sensitive applications requiring improved thermal performance. The SRR1208-220ML from Bourns maintains performance specifications closest to the original part while offering higher inventory availability (6,136 pcs) compared to the API Delevan part (1,329 pcs).

Frequently Asked Questions (FAQ)

Q: Can I interchange SPD127R-223M with DR127-220-R without circuit modifications?

A: Yes. Both parts share identical inductance values (22 µH), tolerance (±20%), core material (Ferrite), and shielding. The DR127-220-R exceeds minimum specifications with higher current rating (4 A vs. 3.6 A) and lower DC resistance (39.1 mOhm vs. 55 mOhm), providing direct functional replacement. Operating temperature range narrows from -55°C to -40°C minimum, which may be a consideration for extreme cold environments.

Q: What is the key difference in performance between these substitute parts?

A: DC resistance and current ratings differ among the three parts. The SPD127R-223M and SRR1208-220ML have comparable current ratings (3.6 A and 3.5 A respectively), while DR127-220-R offers 4 A. DC resistance ranges from 39.1 mOhm (DR127-220-R) to 55 mOhm (SPD127R-223M). Lower DC resistance reduces power dissipation and thermal generation in the inductor.

Q: Are there packaging differences I should consider?

A: Yes. The SPD127R-223M is supplied in Tape & Reel (TR) packaging, while both substitute parts (DR127-220-R and SRR1208-220ML) use Cut Tape (CT) and Digi-Reel® options. Packaging choice affects automated assembly compatibility and inventory handling but does not impact electrical or mechanical performance of the component itself.

Q: Do all parts comply with RoHS3 and REACH regulations?

A: Confirmed. All three parts—SPD127R-223M, DR127-220-R, and SRR1208-220ML—are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Which substitute part offers the best availability?

A: The SRR1208-220ML from Bourns has the highest documented inventory at 6,136 pieces, compared to DR127-220-R at 1,900 pieces and SPD127R-223M at 1,329 pieces.