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74477030 Compatible Inductor Sourcing with Gujing GCDS127MT102

Oct 19, 2026Views: 1

For buyers searching for a Würth Elektronik 74477030 sourcing option, Gujing GCDS127MT102 provides a 1 mH candidate in the same listed 12.3 × 12.3 × 8 mm external envelope. Our comparison identifies the proposed electrical values so your team can decide what to review before ordering samples.

The value of this inquiry is a defined manufacturer discussion: confirm the reference specification, review the candidate against the circuit and obtain a quotation for the actual quantity and delivery requirement. We can support selection and application review, including discussion of material or design changes if the standard candidate does not meet the brief.

Gujing GCDS127MT102 1 mH inductor, product view 1 Gujing GCDS127MT102 1 mH inductor, product view 2 Gujing GCDS127MT102 1 mH inductor, product view 3

Gujing GCDS127MT102 product views

GCDS127MT102 vs. 74477030: 1 mH Specification Comparison

Parameter

Gujing GCDS127MT102

Würth Elektronik 74477030

Inductance

1.0 mH ±20%

1000 µH ±20%

Dimensions

12.3 × 12.3 × 8 mm

12.3 × 12.3 × 8 mm

DCR as listed

1.13–1.17 Ω

1.04–1.82 Ω

Current at stated ΔT = 40 K

1 A

0.6 A

Isat at stated 10% criterion

1 A

0.7 A

Comparison figures are from Gujing’s technical proposal. Confirm the current approved specifications and test conditions when agreeing sample acceptance.

Discuss this pairing with our team and request the proposed specification, sample arrangements and a quotation.

Evaluating DCR, Thermal Current and the 10% Saturation Criterion

Both parts are listed at the equivalent nominal values of 1.0 mH and 1000 µH, with ±20% tolerance and the same external dimensions. The Gujing DCR range is 1.13–1.17 Ω, compared with 1.04–1.82 Ω for the reference. Establish what each range represents before describing one part as having a lower resistance or a tighter production tolerance.

The comparison lists 1 A thermal current for Gujing and 0.6 A for the reference at a stated 40 K rise. It also lists saturation figures of 1 A and 0.7 A at a stated 10% inductance criterion. These give engineering specific points to investigate. The procurement objective is to agree a candidate that meets the circuit limits, then compare purchase cost and delivery terms against that accepted specification.

GCDS127MT102 PCB Fit and Application Testing

Begin by sharing the complete 74477030 specification and the role of the inductor in your circuit. We can review nominal inductance, current behavior, resistance and mechanical limits with your team. For an existing PCB, include the terminal drawing or pad dimensions so the review covers assembly fit as well as the body envelope.

After the candidate specification is discussed, agree the sample quantities and tests needed for approval. Review temperature rise, inductance under load and system behavior at representative ambient conditions. Use the results to decide whether to accept GCDS127MT102, request an adjustment or investigate another option. This provides a direct route from a part-number search to an engineering decision and a purchasing brief.

Specification Review, Sample Testing and Production Approval

Selection and specification review

For this pairing, keep the stated 10% inductance criterion visible in the review. A current figure defined at another inductance-drop threshold is not a like-for-like comparison. Ask for the terminal drawing and full current-dependent inductance information alongside the quotation.

Samples and application feedback

Discuss sample quantities and the tests needed for your circuit. Share measured temperature rise, electrical results or application issues with our technical team so we can review the candidate and, where appropriate, discuss material or design adjustments.

Trial production and order confirmation

Before production release, agree the specification, drawing and approved sample with your team. Confirm packaging, inspection requirements, order quantity and delivery schedule in the commercial discussion. A second-source evaluation can then progress through your own approval process.

74477030 Candidate Evaluation: Frequently Asked Questions

Can I compare this saturation figure with one specified at a 30% drop?

Not directly. A different permitted inductance change can produce a different stated current. Compare the curves or values at the same criterion and operating conditions.

Does the DCR range establish a tighter production tolerance?

The table does not explain whether the ranges are limits, typical measurements or another description. Agree the approved DCR limits before using the figures to judge consistency or loss.

What should I request before adding this model to an approved supplier list?

Request the proposed datasheet and terminal drawing, the current and thermal information relevant to your load, sample arrangements and a quotation. Include any supplier-audit, traceability or qualification requirements in the review.

How are sample cost, MOQ and delivery confirmed?

They are confirmed for the agreed specification, sample or order quantity and packaging requirements. Include your target delivery date when requesting a quotation; historical case schedules are not current order commitments.

Request GCDS127MT102 Samples and a Quotation

Send the 74477030 datasheet, current and temperature requirements, operating frequency, footprint and acceptable inductance change. Add the target quantity, packaging and delivery date. We can discuss GCDS127MT102, the specification and sample tests to be agreed, and a quotation for your sourcing evaluation.

Request GCDS127MT102 Samples & a Quote

Würth Elektronik and its reference number identify the product being compared. No affiliation or endorsement is implied.

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