Honeywell 200-531-001-B
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- For more information, see this article's corresponding Wikipedia page: Device.
| This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables | 
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| This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so. | 
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Honeywell Thermostat (Board # 200-631-001-B
| Preliminary Information | |
|---|---|
| Release Year | 2007 |
| Leak Risk | Medium |
| Batteries | 2 AAA (Removable) |
| Mounting Technology | Through Hole, SMD |
| Capacitor Types | Aluminum Electrolytic, Tantalum, Ceramic |
| Destructive Entry | No |
200-531-001-B is the number on the circuit board (probably not the model number).
A programmable electronic thermostat.
Known Issues
Disassembly Notes
First, undo the battery holder. It is held in by 4 plastic clips. This will uncover the one electrolytic capacitor and the other 3 screws. You can now undo the 6 screws. Note: the 3 screws under the battery holder are self-tapping, so when putting them back in, you will need to turn them left until they click, then start screwing them in. After this, you should have access to all solder connections on the circuit board.
Original Parts
Basic PCB Name
200-631-001-B
05/2007
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C1 | 1 | 220 µF | 10 V | Through Hole Radial | 6.3mm | 11mm | 2.5mm | 85 °C | Aluminum Electrolytic | Yageo | SK |
| RefDes | Qty | Current and Voltage Rating | Brand | Model Number | Datasheet |
|---|---|---|---|---|---|
| RL1 | 1 | 2A 30VDC
0.5A 125 VAC |
HF (Xiamen Hongfa Electroacoustics) | HFD3/2.4-L2 | Similar Datasheet |
Replacement Parts
Basic PCB Name
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C1 | 1 | 860020273009 / EKY-160ELL221MF11D | DigiKey Mouser LCSC |
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| RL1 |
If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.
Kits
- Digikey BOM: https://www.digikey.com/