NTC Thermistor Device KNSCHA 206RV163 with Black Phenolic Aldehyde Wrapper and Tinned Electron Wire Lead

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Product Description

Product Overview

The NTC Thermistor (Negative Temperature Coefficient Resistor) is a device whose resistance decreases as ambient temperature increases. It is manufactured by shaping and sintering metal oxides of iron, nickel, cobalt, manganese, or copper at high temperatures. This thermistor is designed for applications requiring temperature-dependent resistance.

Product Attributes

Color: Black
Wrapper Material: Phenolic aldehyde
Lead Wire Material: Tinned Electron Wire

Technical Specifications

Item	Specification Request	Test Conditions	Specification Request
Nominal Resistance (251)	2.520%
Max Steady State Current (25)	5A
Thermal Time Constant (approx.)	43S
Thermal Dissipation Constant (approx.)	17mW
Operating Range	-40~+200
Approximate Resistance Value at Maximum Current	0.095
Max Shock Capacity	680f/240V
Zero Power Resistance		At 25, when resistance change due to internal 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 change in dissipated power to corresponding change in temperature at specified temperature (mW/).	See Electrical Parameters
Thermal Time Constant		Time required to reach 63.2% of the temperature difference between initial and final temperatures under zero power condition.	See Electrical Parameters
Lead Terminal Tensile Strength	No visible damage, Resistance change: 20%	Apply 1.0kg tensile force to each lead terminal for 10 seconds.
Lead Terminal Bend Strength	No visible damage, Resistance change: 20%	Fix body, hang 0.5kg on one terminal, bend 90, return, then bend 90 in opposite direction.
Vibration	No substantial damage	Frequency: 10~50Hz, Amplitude: 1.55mm, Direction and time: X, Y, Z axes for 2 hours each.
Solderability	Covered termination: 98%	Solder bath temperature: 2355, Time: 3S.
Resistance to Soldering Heat	Resistance change: 10%	Dip lead wires in molten solder at 35010 for 3.00.5 seconds up to 4.00.8mm depth. Leave at room temperature for 24 hours before measurement.
Dry Heat (High Temperature Storage)	Resistance change: 10%	Subject to ambient of 1252 for 1000+48 hours. Leave at room ambient for 1 to 2 hours before measurement.
Cold (Low Temperature Storage)	Resistance change: 10%	Subject to ambient of -403 for 1000+48 hours. Leave at room ambient for 1 to 2 hours before measurement.
Humidity Test	Resistance change: 10%	402, 95% RH, 1000 HR.
Temperature Cycle Test	Resistance change: 20%	-40/30min 25/5min +125/30min 25/5min.
Operating Temperature	-40 to +200	Allowable temperature range for long-term continuous operation.
Storage Conditions	-10~40, RH75%