User contributions for WizardTim
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20 January 2022
- 04:4804:48, 20 January 2022 diff hist +91 Capacitor Types →Ceramic: Add image
- 04:4404:44, 20 January 2022 diff hist +87 Capacitor Types →Paper: Add image
- 02:0502:05, 20 January 2022 diff hist +286 m Heathkit IO 4550 →Disassembly Notes: Add note about removing PCB
19 January 2022
- 16:4616:46, 19 January 2022 diff hist +8 Heathkit IO 4550 Typos
- 16:3616:36, 19 January 2022 diff hist +23 Main Page Add Heathkit IO 4550 article
- 16:3516:35, 19 January 2022 diff hist +3,432 N Heathkit IO 4550 Thought repairs for a kit oscilloscope from Heathkit would be a good start for caps.wiki
- 16:2216:22, 19 January 2022 diff hist +138 N File:Heathkit io 4550 repair 1.jpg Heathkit IO 4550 before and after capacitor replacement, failed tantalums circled in red. current
- 16:1116:11, 19 January 2022 diff hist +65 N File:Heathkit io 4550.jpg Heathkit IO 4550 current
- 06:3806:38, 19 January 2022 diff hist +100 Capacitor Types Add image
- 06:3806:38, 19 January 2022 diff hist +104 N File:Selection of capacitors.jpg A selection of common PCB mount capacitors (THT & SMT). current
- 03:5103:51, 19 January 2022 diff hist +681 Capacitor Types →Information:: Add more info on failure modes
- 03:4203:42, 19 January 2022 diff hist +18 Capacitor Types →Significant Specifications(In order of importance):: Add class
- 03:2103:21, 19 January 2022 diff hist −1 m Capacitor Types →Tantalum: Image vertical alignment
- 03:2003:20, 19 January 2022 diff hist +116 Capacitor Types →Electrolytic/Aluminum/Wet: Add image
- 03:1703:17, 19 January 2022 diff hist +121 N File:Vented wet electrolytic.jpg A failed wet electrolytic capacitor that has vented with others bulging. current
- 02:2002:20, 19 January 2022 diff hist 0 m Capacitor Types →Identification:: Image vertical alignment
- 02:2002:20, 19 January 2022 diff hist +698 Capacitor Types →Information:: Edit text, add image
- 02:1702:17, 19 January 2022 diff hist +292 N File:Short circuit tantalum.jpg Side by side visible and thermal images of a tantalum capacitor (blue) that has failed short circuit. Circuit has been powered externally with a low voltage to prevent the failed tantalum capacitor from reaching extreme temperatures and damaging the PCB and adjacent components. current
- 01:4601:46, 19 January 2022 diff hist +107 Measuring Capacitance and ESR Add image
- 01:4501:45, 19 January 2022 diff hist +70 N File:Measuring esr and capacitance.jpg Measuring ESR and capacitance with a handheld LCR meter. current
- 01:3501:35, 19 January 2022 diff hist +97 Capacitor Types →Identification:: Add image
- 01:3201:32, 19 January 2022 diff hist +284 N File:Failed tht dipped tantalum capacitors.jpg Several dipped tantalum through hole style capacitors which have failed short circuit causing damage to a number of upstream regulation components including the resistors upper right used in a Zener diode shunt regulator. Capacitors removed from a Heathkit oscilloscope. current
