dfh.fm
Thermistor NTC-3950 1M Cable
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1m NTC 3950 thermistor cable for 3D-printer temperature inputs. A spare cable-style temperature sensor for hotends, heated beds, chambers, or electronics projects configured for a standard 100KΩ NTC / B3950 thermistor profile.
Why use this sensor
- Common firmware profile: 100K NTC / B3950 is a standard thermistor setting across Klipper, Marlin, and RepRap-style controller boards.
- 1m lead: useful for toolhead, bed, and enclosure wiring runs without an immediate splice on compact printer builds.
- Simple replacement part: keep one on hand for a failed or damaged temperature sensor before it takes the printer down.
Specifications
- Sensor type: NTC thermistor
- Thermistor curve: B3950 / NTC 3950 family
- Nominal resistance class: 100KΩ at 25°C
- Cable length: 1m
- Visible construction: white two-wire lead with a black sleeved sensor end and 2-pin connector
- Use case: 3D-printer hotend, heated bed, chamber, or controller temperature-sensor input where a 100K B3950 NTC sensor is specified
Fitment notes
- Use this where your controller and firmware expect a 100K NTC 3950 sensor.
- For a similar standard thermistor listing, compare the Thermistor 100K ohm NTC 3950.
- Pair with a 24V 40W heater cartridge when rebuilding a standard heater block.
- For higher-temperature builds, compare against the HT-NTC100K high-temperature thermistor or the Runice high-temperature thermistor cartridge before choosing this standard sensor.
What it is not
- Not a PT100 or PT1000 RTD sensor; do not use RTD firmware settings.
- Not a universal drop-in for every hotend: match the sensor shape, connector, cable length, and firmware thermistor table before installing.
- Do not exceed the temperature limit of your hotend, insulation, connector, or firmware configuration.
Shipping & Returns
Returns:
Thank you for purchasing from dfh.fm. I want you to be completely satisfied with your purchase. If for any reason you are not satisfied, you may return your purchase within 60 days of the original purchase date.
Defective items: Please inspect items upon receipt. If you receive a defective item, you may return it for a full refund or replacement within 90 days of the original purchase date. Please contact me to initiate a return for a defective item.
Non-defective items: If you are not satisfied with a non-defective item, you may return it for a refund within 30 days of the original purchase date. A 20% restocking fee will be deducted from the refund amount, to offset the time and inconvenience, as I am the sole employee processing the return and restocking the item. The fee also covers the costs associated with processing the return. Refunds for non-defective items will be issued through the original payment method.
Preordered items: Due to the nature of preorders, delivery dates are subject to change. Please keep in mind that, If you have preordered an item, it is not eligible for a refund until after it has arrived at the store. Once the item arrives at the store and is inspected, you may request a refund within 30 days of the original purchase date. Please note that refunds for preordered items may take up to 10 days to be issued.
To initiate a return, please open a ticket on the shop’s discord channel, with your order number and the reason for the return. We will provide you with further instructions on how to return your purchase.
Thank you for shopping with us. If you have any questions or concerns, please don't hesitate to contact me, via Discord.
Order alterations and cancellations:
Once an order has ben submitted, no alterations can be made. This includes adding or removing items or canceling orders. You are welcome to return an order, once you have taken receipt, following the returns procedure listed above.
Shipping:
US Shipping is via UPS or USPS. The way it is set up shows the least expensive options for standard, priority and express shipping. I can not take special requests for specific carriers at this time.
International shipping is mostly UPS, as I utilize Zonos/UPS integration to tally extremely accurate import and shipping costs.
I require a telephone and email with international orders and you must make yourself available to the carrier or your customs, should they require more information. If you are unreachable and the package is discarded or rerturned, I will not be responsible for rerturning your shipping cost.
If there is a problem with an international order, it is my choice to refund part or all of the order, or send a replacement.
Addresses are verified through Shopify, but the customer is still responsible for inputting their address in the correct format. Any returns or lost shipments, due to incorrectly addressed packages, are the responsibility of the customer.
