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Thermal Sensors Moxie®

Thermal Sensor MOXIE®
Moxies are a family of, variable resistance thermal sensors having a highly specific “transition region.” Within this transition region the devices typically exhibit a negative temperature coefficient ranging from 40% per °C to 200% per °C. Below the transition region they exhibit a linear “thermistor” characteristic of -2 to -4%/°C.

TS3

Applications

Sensors for temperature protection, control and limiting. Voltage, current and frequency limiters in electronics.
Examples: Overtemperature protector for power semi-conductors, such as transistors, power output stages, amplifiers.

Dimensions

TS3

TS3 B3

TS3 C3

Specifications

TypeParameterTemp, (°C)ConditionMin.Typ.Max.Units
TS3-57Resistance35Heating3585230k
Resistance57Heating1.0k
Resistance75Heating1545100
Sensitivity (1)57Heating40100% / °C
Latching Current (2)D.C. Volts0.61.83.2mA
TypeParameterTemp, (°C)ConditionMin.Typ.Max.Units
TS3-60Resistance35Heating50130350k
Resistance60Heating5k
Resistance75Heating2075250
Sensitivity (1)60Heating40100% / °C
Latching Current (2)D.C. Volts0.61.62.8mA
TypeParameterTemp, (°C)ConditionMin.Typ.Max.Units
TS3-65Resistance40Heating1206201700k
Resistance65Heating5.0k
Resistance80Heating1050100
Sensitivity (1)65Heating80200% / °C
Latching Current (2)D.C. Volts0.140.330.52mA
TypeParameterTemp, (°C)ConditionMin.Typ.Max.Units
TS3-75Resistance55Heating4080300k
Resistance75Heating3.0k
Resistance95Heating20115200
Sensitivity (1)75Heating5070% / °C
Latching Current (2)D.C. Volts0.71.93.1mA
TypeParameterTemp, (°C)ConditionMin.Typ.Max.Units
TS3-85Resistance65Heating2545180k
Resistance85Heating1.5k
Resistance100Heating75150330
Sensitivity (1)85Heating3040% / °C
Latching Current (2)D.C. Volts1.42.02.6mA

1 Sensitivity is defined as the percentage of resistance change per variation of 1†C in temperature.
2 Latching current is the smallest current that will cause the device to make changes in resistance while it’s cooling to a lower temp.

Typical CharacteristicsTS3-XXTS3-XXB3
Thermal Resistance (†C/W)
– Die to tab (or casing)250300
– Tab (or case) to air200200
Time Constant (sec)
– Air to tab (or casing)6060
– Tab (or case) to die2.02.5
Shunt Capacitance (pF)
– Lead to lead0.50.5
– Lead to tab (or casing)0.20.2
Dialectric Withstanding (V dc)
– Lead to tab (or casing)600600
Storage Temp. (†C)120120
Solder Temp.
(1/16” from case, 10 sec)260260
Typical Response
Characteristics
TS3-57TS3-60TS3-65TS3-75TS3-85
Temp.Coef. (%/†C)
Pre-Transition-2.0-2.5-4.0-3.5-3.0
Transition-100-100-200-70-40
Post-Transition-0.25-0.25-0.5-1.0-1.5

Equivalent Circuit

Power Derating Curves in Free Air

Response Characteristics

Ordering Information

Example [ TS3 57 B3 ]
TS3XXMounting Tab
ModelTemperature in †CB3 or C3