Bay Area Harness
2 Marina Blvd, Suite B200, San Francisco, CA 94123 · support@bayareaharness.com
ELECTRICAL AND MECHANICAL TEST REPORT
TR-3008-SAMPLE
TR-3008-SAMPLE
USB Type-C to Type-C cable, USB 2.0, 3 A
Consumer Electronics
1.0 m USB Type-C to Type-C cable assembly, USB 2.0 data, 3 A rated. 28 AWG data pair, 24 AWG VBUS and GND, foil and braid shield.
CustomerSample customer
Customer PO—
DrawingBAH-3008 rev A
LotSAMPLE
Quantity tested25 of 25
WorkmanshipIPC/WHMA-A-620 Class 2
Test date2026-10-25
Serials001–025
Results
| Test | Method | Requirement | Measured | Passed | Status |
|---|---|---|---|---|---|
| Point-to-point continuity | All populated pins, P1 to P2 | Per pinout, no opens | Pass | 25 / 25 | PASS |
| Shorts and isolation | All pin pairs, 100 VDC | ≥ 100 MΩ | > 1 GΩ | 25 / 25 | PASS |
| VBUS + GND loop resistance | 4-wire, end to end | ≤ 0.25 Ω (per drawing) | 0.138–0.151 Ω | 25 / 25 | PASS |
| Differential impedance, D+/D- | TDR, 200 ps rise time | 90 Ω ± 15% | 86.2–92.7 Ω | 5 / 5 sampled | PASS |
| Shield continuity | Shell to shell | ≤ 0.5 Ω | 0.09–0.14 Ω | 25 / 25 | PASS |
| CC line | CC to CC continuity | Per pinout | Pass | 25 / 25 | PASS |
| Visual inspection | Strain relief, solder joints, marking | IPC/WHMA-A-620 Class 2 | Accept | 25 / 25 | PASS |
LOT ACCEPTEDAll 25 assemblies met every requirement on drawing BAH-3008 rev A.
Test equipment
| Instrument | Used for | Calibration |
|---|---|---|
| Cable tester | Continuity, shorts, miswire, insulation resistance | Current, record on request |
| 4-wire micro-ohmmeter | Contact and conductor resistance | Current, record on request |
| TDR | Differential impedance | Current, record on request |
| Stereo microscope | 10–40× visual inspection | Current, record on request |
Tested by
Reviewed by
Date
Electrical verification to the customer drawing only. This is not USB-IF compliance testing.
This is a sample report with illustrative values. Your report lists your drawing, lot, serial numbers, the requirements on your drawing, and the measured results for every assembly. Questions: support@bayareaharness.com