Help Me Find Resistor Network Specs for My Circuit Board

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SUMMARY

The discussion focuses on identifying resistor network specifications for a circuit board related to a battery charging issue. The components in question include three 8-pin SIP resistor networks labeled "DALE 3-1001F 9034" and "DALE 3-1003F 9028," as well as a 6-pin SIP package "GX-1-103 9044." Additionally, a component labeled "PTC1" is identified as a Positive Temperature Coefficient thermistor, not a capacitor, which serves as a self-resetting fuse. Participants recommend visiting the DALE website or contacting their application engineer for assistance in locating the resistor specifications.

PREREQUISITES
  • Understanding of SIP (Single In-line Package) components
  • Familiarity with resistor networks and their applications
  • Knowledge of thermistors and their role in circuit protection
  • Basic skills in circuit board analysis and troubleshooting
NEXT STEPS
  • Research DALE resistor network specifications on their official website
  • Learn about Positive Temperature Coefficient thermistors and their applications
  • Explore circuit board troubleshooting techniques for battery charging issues
  • Investigate SIP packaging and its advantages in electronic design
USEFUL FOR

Electronics technicians, circuit board designers, and anyone involved in troubleshooting battery-powered devices will benefit from this discussion.

Ebola0001
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hey guys I have been given a piece of equipment to fix, that is not charging its battery. I am trying to map out its small circuit board to try and understand what it is thinking so i can figure out what isn't working.

I am having trouble tracking down the resistor network specs so I can draw them into the circuit.

they are 8 pin SIP package with a yellow epoxy coating. there are 3 of them the only writing on the outside says
"DALE 3-1001F 9034"
"DALE 3-1003F 9028"
and a 6 pin SIP package
"GX-1-103 9044"

There is also a large disc capacitor in the power input line labeled "PTC1" on the board
its writing says "BC4D MEXICO" on one side, and "X50V X250" on the other side of the disc

I can take pictures if it would help

thanks guys
 
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DALE is a big resistor company, go on to their website and look for the part! If you cannot find it, email to their application engineer, they'll answer your question.
 
What you are calling a disk capacitor is not a capacitor. It is a Positive Temp Coeficient thermistor being used as a self resetting fuse. That is why the legend calls it PTC1.
 

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