Thermistors, Mini Radial Leaded Over-Temperature Protection Well-
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2381 911./PTCSL.T.BE
Thermistors, Mini Radial Leaded Over-Temperature Protection
Well-defined protection temperature levels Fast reaction time still air) Accurate resistance ease circuit design Excellent long term behavior after 1000 Wide range protection temperatures need reset supply after overtemperature switch Small size rugged
QUICK REFERENCE DATA
PARAMETER Maximum resistance Minimum resistance Maximum voltage Temperature range Weight: 91102 91114 91152 91164 Climatic category 0.08 0.11 25/125/56 VALUE 4000 UNIT
Coated leaded naked devices available Compliant RoHS directive 2002/95/EC accordance WEEE 2002/96/EC
APPLICATIONS
Over-temperature protection control Industrial electronics Power supplies Electronic data processing Motor protection
DESCRIPTION
These directly heated thermistors have positive temperature coefficient primarily intended sensing.
NOMINAL WORKING TEMPERATURES ORDERING INFORMATION
NOMINAL WORKING TEMPERATURE RESISTANCE from RESISTANCE RESISTANCE 0.570 1.33 1.33 1.33 1.33 1.33 1.33 1.33 1.33 CATALOG NUMBER 2381 LEADED DEVICE NORMAL LEADS 91102 91103 91104 91105 91106 91107 91109 91112 91114 COLOR CODE LONG LEADS 91152 91153 91154 91155 91156 91157 91159 91162 91164 Black Brown Orange Yellow Green Blue Violet Grey
(°C)
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technical questions, contact: nlr@vishay.com
Document Number: 29012 Revision: 08-Jun-09
2381 911./PTCSL.T.BE
Thermistors, Mini Radial Leaded Vishay BCcomponents Over-Temperature Protection
ELECTRICAL CHARACTERISTICS
PARAMETER Maximum resistance Maximum resistance Minimum resistance Minimum resistance Maximum voltage VALUES Nominal Working Temperatures Ordering Information table 4000 Nominal Working Temperatures Ordering Information table
CATALOG NUMBERS PACKAGING
12NC 2381 91102 2381 91103 2381 91104 2381 91105 2381 91106 2381 91107 2381 91109 2381 91112 2381 91114 PTCSL20T071DBE PTCSL20T081DBE PTCSL20T091DBE PTCSL20T101DBE PTCSL20T111DBE PTCSL20T121DBE PTCSL20T131DBE PTCSL20T141DBE PTCSL20T151DBE 12NC 2381 91152 2381 91153 2381 91154 2381 91155 2381 91156 2381 91157 2381 91159 2381 91162 2381 91164 PTCSL40T071DBE PTCSL40T081DBE PTCSL40T091DBE PTCSL40T101DBE PTCSL40T111DBE PTCSL40T121DBE PTCSL40T131DBE PTCSL40T141DBE PTCSL40T151DBE
COMPONENT OUTLINES DIMENSIONS millimeters
max. max.
min.
max.
2.54 20.0
Component outline 91102 91114
max. max.
min.
max.
2.54 40.0 min.
Component outline 91152 91164
Document Number: 29012 Revision: 08-Jun-09
technical questions, contact: nlr@vishay.com
www.vishay.com
2381 911./PTCSL.T.BE
Vishay BCcomponents Thermistors, Mini Radial Leaded
Over-Temperature Protection
TYPICAL RESISTANCE/TEMPERATURE CHARACTERISTIC 2381 91105/91106 91107
(DC) max.
TYPICAL RESISTANCE/TEMPERATURE CHARACTERISTIC 2381 91102/91103 91104
(DC) max.
Resistance
Resistance
Temperature (°C)
Temperature (°C)
TYPICAL RESISTANCE/TEMPERATURE CHARACTERISTIC 2381 91109
(DC) max.
TYPICAL RESISTANCE/TEMPERATURE CHARACTERISTIC 2381 91112 91114
(DC) max.
Resistance
Resistance
Temperature (°C)
Temperature (°C)
www.vishay.com
technical questions, contact: nlr@vishay.com
Document Number: 29012 Revision: 08-Jun-09
2381 911./PTCSL.T.BE
Thermistors, Mini Radial Leaded Vishay BCcomponents Over-Temperature Protection
APPLICATION SPECIFIC DATA
Negative Temperature Coefficient (NTC) thermistors well known temperature sensing. What well known, however, that Positive Temperature Coefficient (PTC) thermistors used thermal protection. Although their operating principles similar, applications very different; whereas thermistors sense measure temperature over defined range, thermistors switch particular temperature. Just like thermostats they protect such equipment components motors, transformers, power transistors thyristors against overtemperature. thermistor less expensive than thermostat, switch temperature more accurately specified. also smaller easier design-in electronic circuitry. does work? thermistor mounted thermal contact with equipment protected, connected into bridge comparator circuit, such shown Fig. normal temperature, thermistor resistance (Rp) lower than (see Fig. comparator's output voltage will low. equipment overtemperature occurs, thermistor will quickly heat trigger nominal reference temperature whereupon resistance will increase value much higher than causing switch high level sufficient activate alarm, relay power shutdown circuit.
APPLICATION EXAMPLES
thermistor
Fig. Typical comparator circuit
Trigger temperature
(°C)
Fig. Typical switch characteristic
soon more windings becomes hot, motor switched off. Fig. Temperature protection electric motors
Document Number: 29012 Revision: 08-Jun-09
technical questions, contact: nlr@vishay.com
www.vishay.com
Legal Disclaimer Notice
Vishay
Disclaimer
product specifications data subject change without notice. Vishay Intertechnology, Inc., affiliates, agents, employees, persons acting their behalf (collectively, "Vishay"), disclaim liability errors, inaccuracies incompleteness contained herein other disclosure relating product. Vishay disclaims liability arising application product described herein information provided herein maximum extent permitted law. product specifications expand otherwise modify Vishay's terms conditions purchase, including limited warranty expressed therein, which apply these products. license, express implied, estoppel otherwise, intellectual property rights granted this document conduct Vishay. products shown herein designed medical, life-saving, life-sustaining applications unless otherwise expressly indicated. Customers using selling Vishay products expressly indicated such applications entirely their risk agree fully indemnify Vishay damages arising resulting from such sale. Please contact authorized Vishay personnel obtain written terms conditions regarding products designed such applications. Product names markings noted herein trademarks their respective owners.
Document Number: 91000 Revision: 18-Jul-08
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