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KOA Corporation > Product > Thermistors,Thermal Sensors

Thermistors,Thermal Sensors

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The thermistor is a kind of thermal sensor, making use of a property that changes a resistance value with a change in temperature. There are various kinds of sensors from a thermistor that has a steep temperature characteristic to a platinum thin film thermal sensor that has a stable linearity up to a high temperature. Please select optional ones according to your applications.

Platinum Thin Film Thermal Sensors・Applied Products

Features Product
Series
Catalog Shape Resistance
(Ω)
Stationary temp.
(°C)
Resistance tolerance
(±%)
T.C.R.(×10-6/K) T.C.R.
Tolerance
(±)
Class Operating Temp. Range(°C)
General-purpose SDT73H PDF link of platinum thin film thermal sensor SDT73H SMD 100,500 0 0.2,1 +3850 (1.3%) - -55~+155
Heat Resistant SDT73S PDF link of platinum thin film thermal sensor SDT73S 100 1 -55~+250
Automotive SDT73V PDF link of platinum thin film automotive type thermal sensor SDT73V 100,500 0.2,1 -55~+155
Axial SDT101A PDF link of platinum thin film thermal sensor SDT101 Leaded 10,100,500 0( 25) 0.5,1 +3500 1,2% -55~+150
SDT101B -55~+300
Axial,heater element
heat resistant
SDT310VASP PDF link of platinum thin film thermal sensor SDT310VASP Leaded 20 0 1 +3850 25×10-6/K - -55~+600
Thin, small, high stability SDT310HCTP PDF link of platinum thin film thermal sensor SDT310HCTP Leaded 100 0.059 +3850 - F0.15(A) -55~+300
0.12 F0.3(B) -55~+400
Soledering SDT310LTC PDF link of platinum thin film thermal sensor SDT310 100,500,1k 0.059,0.12,0.39 A,B,C* -55~+155
General-pupose SDT310P -55~+400
Heat Resistant SDT310MTM 100 0.12,0.39 B,C* -55~+650
Thin, soldering SDT310HLTC 1k 0.059,0.12,0.39 A,B,C* -55~+155
Heater element SDT310AP 10 10 2% - -55~+400
Custom type thermal sensor ST PDF link of custom type thermal sensor ST Special - - - - - - -
Wind velocity sensor module AFS PDF link of air flow sensor units AFS - - - - - - 0~+60
* Class C is specified by our own standard.

Linear P.T.C. Resistors/Thin film Linear PTC thermistors

Features Product Series Catalog Shape Resistance
(Ω)
Stationary Temp(°C) Resistance tolerance(±%) T.C.R.(×10-6/K) T.C.R.
Tolerance(±%)
Operating
Temp. Range(°C)
High TCR, high resistance, precision LP73 PDF link of thin film resistance thermal chip sensors LP73 SMD 100~10k 25 1,2,5 +3000~+5000 5 -55~+125
Various TCR & Resistance LT73 PDF link of linear PTC resistors LT73 SMD 51~51k 2,5 +150~+4500 10~(66) -40~+125
Automotive, various TCR & Resistance LT73V PDF link of linear PTC resistors LT73V SMD 51~22k -55~+155
MELF MLT* PDF link of MELF type linear PTC resistor MLT MELF 1k~9.1k 5 +2000~+3900 10 -40~+125
High TCR, high resistance, precision LP PDF link of thin film resistance thermal sensors LP Leaded 1~100k 1,2,5 +150~+5000 5~(33) -55~+150
Axial LT* PDF link of linear PTC resistors LT Leaded 100~39k 5 +1000~+4500 10,15 -40~+125

*For Pre-Existing Designs

Linear P.T.C. Resistors/Thick film Linear PTC thermistors

Features Product Series Catalog Shape Resistance(Ω) Stationary Temp(°C) Resistance tolerance(±%) T.C.R.(×10-6/K) T.C.R.Tolerance(±%) Operating Temp. Range(°C)
Thick film, general purpose LA73 PDF link of thick film linear PTC resistors LA73 SMD 22~10k 25 5 +1000~+3600 10~20 -55~+125

NTC Thermistors

Features Product Series Catalog Shape Resistance(Ω) Stationary temp.(°C) Resistance tolerance(±%) B Constant B Constant Tolerance(±%) Operating Temp. Range (°C)
Temperature compensation,thick film,thin NT73 PDF link of NTC thermistor NT73 SMD 1k~150k 25 5,10,15 3200K~4100K 3,5,10 -55~+125

PTC Thermistors

Features Product Series Shape CurieTemp. Resistance(Ω) Stationary Temp(°C) T.C.R. Tolerance(±%) Operating Temp. Range(℃)
Over temperature protection PT72* SMD 70°C,80°C,100°C 50~1k 25 25 -55~+125
*Discontinued/Plan to be discontinued

Common Specification(Thermal Sensors)

Items Catalog
Minimum Ordered Quantity PDF link of Minimum Ordered Quantity
Recommended Pad Dimensions PDF link of Recommended Pad Dimensions
Packagings for Chip Components PDF link of Packagings for Chip Component
Axial Tapings PDF link of Axial Tapings
Color code,Resistance marking,E series numbers PDF link of Color code,Resistance marking,E series numbers

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