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Description
Sparkfun Resettable Fuse (PTC)
Limits excessive current flow
Trips at over 250mA
Resets after short removal
Ideal for battery-powered devices
Protects against high-current discharges
The Sparkfun Resettable Fuse (PTC) is a protective device designed to prevent system damage by limiting excessive current flow. When the circuit draws more than 250mA, the PTC heats up and increases resistance, effectively breaking the circuit and allowing only minimal leakage current. Once the short is removed, the PTC resets and permits normal current flow up to 250mA. This fuse is ideal for battery-powered devices requiring protection against high-current accidental discharges.
Note: The leakage current may still be sufficient to damage some electronics.
If you are not satisfied for whatever reason with a Product you bought on the Site, it is possible to return it for refund within 30 days from the date you received it unless otherwise indicated in the Product listing. You must first advise the Vendor associated with your order in your account to obtain a return authorization (‘’RA’’) number before returning a Product. (‘’RA’’) numbers are valid for 30 days, within which time the returned Products should be received by the Vendor. No returns will be accepted without having previously obtained an (‘’RA’’) number. The Product must then be returned in its original packaging (in perfect condition for resale) with its receipt and your (‘’RA’’) number. Reimbursement will be denied for any Products which do not conform to the above mentioned conditions.
Build-it-yourself Robot Parts are not refundable once assembled. Robots & Kits requiring assembly or soldering are also not refundable once assembled, soldered or modified in any way. All sales of robotic software and apps are final and cannot be refunded or exchanged. Returns are not accepted on special orders and clearance items except when they are found defective, in which case the Product may be repaired or replaced at the Vendor’s discretion. 20% Restocking fees may apply if you are returning a large quantity of the same Product that was ordered specifically for you from the manufacturer.
Please note that all items will be reimbursed within 7 to 14 days of receiving the Product (shipping fees excluded). You must also cover the cost of returning the Product. Shipping fees will only be refunded if the return is a result of a shipping error on our part. Cleaning fees of USD 100 may also be charged if a domestic robot is returned and has not been properly cleaned.
