Temperature Dependent Resistor KNSCHA 206RV173 NTC Thermistor with 21 Milliwatt Thermal Dissipation

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Product Description

Product Overview

NTC Thermistor is a Negative Temperature Coefficient Resistor whose resistance changes with ambient temperature changes. Thermistor comprises 2 or 4 kinds of metal oxides of iron, nickel, cobalt, manganese, and copper, being shaped and sintered at high temperature. This NTC thermistor (model 206RV173 NTC 1.5D-15) has an impedance of 1.5, a chip diameter of 15mm, and a pitch of 7.5mm, featuring black coating and inwardly bent leads.

Product Attributes

Wrapper Material: Phenolic aldehyde
Down-lead Material: Tinned Electron Wire
Coating Color: Black

Technical Specifications

Item	Specification Request	Test Conditions	Specification Request
Nominal Resistance (251)	1.520
Max Steady State Current (25)	8A
Thermal Time Constant (approx.)	75S
Thermal Dissipation Constant (approx.)	21mW
Operation Range	-40~+200
Approximate Resistance Value at Maximum Current	0.052
Max Shock Capacity	1100 f/240V
Zero Power Resistance		At 25, when resistance change due to self-heating is negligible compared to total measurement error.	See Electrical Parameters
B-Value		Calculated using zero power resistance at 25 and 50.	See Electrical Parameters
Thermal Dissipation Constant		Ratio of power dissipation change to corresponding temperature change at specified temperature. Unit: mw/	See Electrical Parameters
Thermal Time Constant		Under zero power condition, time required for thermistor temperature to reach 63.2% of the difference between initial and final temperatures.	See Electrical Parameters
Leads Terminal Tensile Strength		1.0kg load applied to each lead for 10 sec.	No visible damage, Resistance change: within 20%
Leads Terminal Bend Strength		Fixed body, 0.5kg weight on one terminal, bend 90, then reverse bend 90.	No visible damage, Resistance change: within 20%
Vibration		Frequency: 10~50Hz, Amplitude: 1.55mm, Direction and time: X, Y, Z axes each 2 hours.	No substantial mechanical damage
Solderability		Solder bath Temperature: 2355, Time: 3S	Covered termination: 98%
Resistance to Soldering Heat		Dipped in molten solder at 35010 for 3.00.5 seconds, up to 4.00.8mm depth. Tested after 24 hours at room temperature.	Resistance change: within 10%
Dry Heat (high temperature storage)		Ambient: 1252 for 1000+48 hours. Tested after 1-2 hours at room ambient.	Resistance change: within 10%
Cold (low temperature storage)		Ambient: -403 for 1000+48 hours. Tested after 1-2 hours at room ambient.	Resistance change: within 10%
Humidity Test		402, 95% RH, 1000 HR	Resistance change: within 10%
Temperature Cycle Test		-40/30 25/5 +125/30 25/5	Resistance change: within 20%
Operating Temperature		Allowable temperature range while the thermistor works continuously for long time.	-40 to +200
Storage Conditions			-10~40, RH75%