Classification

Description

RTH42 data

Military Grade PTC thermistors, MIL-PRF-23648/19
MIL-PRF-23648/19 specified PTC Thermistor, meeting or exceeding all the requirements of MIL-PRF-23648. Certified by the Department of Defense, Defense Supply Center Columbus, Qualified Products List QPL-23648

• Thermal Time Constant: seconds max in still air
• Dissipation Constant: mW/°C min in still air
• Power Rating: W at 25°C, derate to 0 W at 125°C
• Resistance @25°C:
• Operating temperature range: -55°C to 125°C
• Storage temperature range: -65°C to 150°C

QTG12 data

Axial Leaded PTC Thermistor, D07 package
The QTG12 series of axial leaded PTC thermistors conform to the EIA D07 package. QTG12 parts are available in resistances at 25°C from 10 ohm to 10,000 ohm. Available tolerances are 10%, 5%, 2% and 1%. The power rating for the QTG12 series is .125 watts at 25°C. The operating temperature range for the QTG12 series is -55°C to 125°C. Thermal time constant for the QTG12 series is 55 seconds maximum.

• Positive Temperature Coefficient: .7%/°C
• Thermal Time Constant: 60 seconds max in still air
• Dissipation Constant: 2.5 mW/°C min in still air
• Power Rating: .250 W at 25°C, derate to 0 W at 125°C
• Resistance @25°C:10 ohm to 10K ohm
• Operating temperature range: -55°C to 125°C
• Storage temperature range: -65°C to 150°C
• RoHS Available

RTH22 data

Military Grade PTC thermistors, MIL-PRF-23648/9
MIL-PRF-23648/9 specified PTC Thermistor, meeting or exceeding all the requirements of MIL-PRF-23648. Certified by the Department of Defense, Defense Supply Center Columbus, Qualified Products List QPL-23648

• Thermal Time Constant: seconds max in still air
• Dissipation Constant: mW/°C min in still air
• Power Rating: W at 25°C, derate to 0 W at 125°C
• Resistance @25°C:
• Operating temperature range: -55°C to 125°C
• Storage temperature range: -65°C to 150°C

QTG235 data

Axial Leaded PTC Thermistor, D035 package
The QTG235 series is based on the EIA D035 package. The QTG235 is glass-encapsulated and hermetic and is designed to be very rugged and offers excellent long-term stability. Nine different Resistance/Temperature values are offered between 50 and 3,000 ohms.

• Thermal Time Constant - 20 seconds maximum
• Dissipation Constant - 2 mW/°C
• Power Rating - .125 W at 25°C, derate to 0 W at 125°C
• Resistance @25°C: 50 ohm to 3,000 ohm
• Operating Temperature Range - -55°C to 150°C
• Storage Temperature Range - -65°C to 250°C
• RoHS Compliant

QTM12 data

Axial Leaded PTC Thermistor
The QTM12 series of axial leaded PTC thermistors offered by Quality Thermistor are available in resistance at 25°C from 10 ohm to 40K ohm. Power rating for the QTM12 series is .5 Watts at 25°C. The thermal time constant of the QTM12 series is 60 seconds maximum. QTM12 parts are a plastic molded, axial leaded part with a body length of .421" and a diameter of .155".

• Positive Temperature Coefficient: .7%/°C
• Thermal Time Constant: 60 seconds max in still air
• Dissipation Constant: 2.5 mW/°C min in still air
• Power Rating: .5 W at 25°C, derate to 0 W at 125°C
• Resistance @25°C:10 ohm to 10K ohm
• Operating temperature range: -55°C to 125°C
• Storage temperature range: -65°C to 150°C

QTG10 data

Axial Leaded PTC Thermistor, EIA D035 package
The QTG10 series is based on the EIA D035 package. The QTG10 series is an axial leaded, PTC thermistor available in resistance at 25°C from 10 ohm to 3,300 ohm. Operating temperature is -55°C to 125°C. QTG10 parts will have a thermal time constant of 10 seconds and are power rated at .0625 watts at 25°C.

• Thermal Time Constant: 10 seconds max in still air
• Dissipation Constant: 2.5 mW/°C min in still air
• Power Rating: .0625 W at 25°C, derate to 0 W at 125°C
• Resistance @25°C: 10 ohm to 3300 ohm
• Operating temperature range: -55°C to 125°C
• Storage temperature range: -65°C to 150°C
• RoHS Available