Success stories and solved problems
231 failures, each with a cause.
Every case we publish shows the part, the evidence and the conclusion. Filter by what failed to find cases like yours.
Photocoupler Vishay IL420 Failure Analysis
Gideon Analytical Laboratories received one failed photocoupler, a Vishay IL 420, for failure analysis along with two virgins (unused) …
November 27, 2012ST Microelectronics BTA06 Triac Failure Analysis
Gideon Analytical Laboratories received one failed ST Microelectronics BTA06 Triac a TO-220AB package. The device was reported to have …
November 27, 2012Fairchild RFP40N10 MOSFET Failure Analysis
Gideon Analytical Laboratories received three-failed Fairchild RFP40N10 power MOSFETs. All the terminals were shorted. A MOSFET is a …
November 26, 2012MLC Capacitor Failure Analysis (MLCC)
Gideon Analytical Laboratories received one failed multilayer ceramic capacitor for failure analysis. The image below is from Wikipedia. It …
November 26, 2012Metal Failure Analysis
Gideon Analytical Laboratories examined the extrusion marks on the tungsten IC probes wires versus a Monel K500 IC probes via SEM. MONEL …
November 23, 2012Optocoupler Fairchild QTC H11N1 Failure Analysis
Gideon Analytical Laboratories received several Fairchild QTC H11N1s, a high-speed logic optocoupler, in 6-pin plastic DIPs. The devices …
November 23, 2012IR FR22ON MOSFET Failure Analysis
Gideon Analytical Laboratories received a failed IR FR22ON MOSFET within DC-DC converter. All the MOSFETs were shorted on all terminals. The …
November 22, 2012PWM Failure Analysis on MuRata PS Converter
Gideon Analytical Laboratories received pulse width modulators PWM failing in a MuRata Ps DC-DC converter. The PWM was removed from the …
November 22, 2012Relay Contamination
Relays are very susceptible to contamination because the leads are made of copper and vulnerable to corrosion and leakage current if not …
November 22, 2012Tantalum Capacitor Failure From Moisture Ingress
Gideon Analytical Laboratories received four tantalum capacitors identified as failing from two vendors, Kemet (T491B225K035AT) and AVX …
November 22, 2012VCSEL Diode Failure Analysis
Gideon Analytical Laboratories received several VCSELs (vertical-cavity surface-emitting laser) with diminished light capacity were …
November 22, 2012Voltage Regulator 5962-89981 Failure Analysis
Gideon Analytical Laboratories received two linear adjustable monolithic silicon 5962-89981 adjustable positive regulators both with no …
November 22, 2012
