Check the listing for details. NEW 10pcs 10K ohm NTC 3950-1% Thermistor HB1-10K-3950-1. Condition: New. Listed at 4.98 USD. 10K ohm NTC 3950-1% Thermistor HB1-10K-3950-1 Item Description: 10K ohm NTC 3950-1% Thermistor HB1-10K-3950-1 Characteristics: Part number: HB1-10K-3950-1 Head diameter: 1.25mm Electrical characteristics （Resistance value）: R（25°C）=10KΩ±1% （B value）: B=3950 (calculated from resistance value at 25°C and 50°C) Insulation resistance 50MΩ or over by DC500V megge (between glass and lead wire) Thermal time constant (τ): τ=10～17 s ( in still air) Thermal dissipation constant (δ): δ=1.1～1.6mW/°C (静止空气中in still air) Operating temperature range:-50~+260°C package :10pcs Shipping Description： Item will be shipped by airmail with tracking number (ship to USA by USPS epacket delivery ) within 24 hours(1 working day) after full payment is received. A notification email of dispatch will be sent to buyer after item is posted. Please email us if you don't receive our email after 3 days of full payment sent. Return Description： In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back.