Quality Control

Every component inspected. Every shipment traceable.

Transparency at every step: origin, inspection report and clear warranty terms.

Visual Inspection — CHUM CALL quality control STEP 01
01

Visual Inspection

Packaging, marking, body and lead condition.

Microscope Surface Inspection — CHUM CALL quality control STEP 02
02

Microscope Surface Inspection

Surface examination under a microscope.

Functional Testing — CHUM CALL quality control STEP 03
03

Functional Testing

Extended functional testing in partner laboratories.

X-ray Inspection — CHUM CALL quality control STEP 04
04

X-ray Inspection

Additional check on an X-ray system.

Transparency

What you receive

Inspection report
Provided on request — free of charge. View a sample
Independent laboratories
We work with three independent partner laboratories.
Warranty & returns
1-year warranty on products from official supply channels. For EOL, hard-to-find or older date-code parts, terms are agreed individually.
Sample report — cover Sample report — summary and conclusion Sample report — functional test data
Sample inspection report

See exactly what you receive.

A real 25-page laboratory report: packaging and visual inspection, dimensions, marking permanency, functional tests at −55 °C, 25 °C and 150 °C, and solderability. Laboratory details are removed in this public sample.

If something goes wrong Send us a claim report — we arrange the return straight away.
  • Your claim reportReturn arranged
  • Standard partsRe-supplied
  • Scarce partsRefunded
Download the claim report template (PDF)
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