ATC Semitec

Ceramic PTC re-settable current fuses offer several benefits over conventional fuses by effectively limiting the through current.

• A range of 120ºC trip available
• Max voltage: 270VDC

Our ATC3 series of rigid lead NTC thermistors offers the widest range of resistance values from 900ohms to 470kohms.  ±1% accuracy plus tape/reel options makes this range very flexible and cost-effective.

• High accuracy over wide temperatures: -40°C to +125°C
• Epoxy-coated lead-frame NTC thermistors
• Rigid form-factor, available in bulk, taped reel or ammo pack

A typical screw-in fluid temperature sensor with 1/8″BSP gas thread and integral connector.  Various NTCs or Pt100s etc. can be incorporated in these sensors to help customise it for a given application.

• Fast response design (Tc ≤ 5s)
• R25 Accuracy ±0.3°C or better
• Operating range up to +150°C possible

Stainless steel 3mm diameter thin-wall temperature sensor with 1/4″BSP gas thread and integral connector.  Suitable for boiler flues and air sensing applications with a time constant (Tc) of less than 3s.

• Very fast response design (Tc < 3s)
• Suitable from -40°C/+150°C
• R25 accuracy ±1% (+/-0.3°C)

Push-fit or clip-in temperature sensors in brass with integral o-ring and very fast-response tip.  Perfect for composite heat exchangers with a time constant of less than 3s.

• Very fast response time (Tc<3s)
• R25 accuracy ±0.3°C or better
• Operating range up to -40°C/+140°C

The SKTY series of linear PTC sensing elements offers replacements for the once common KTY temperature sensors. These linear PTCs are sometimes known as PTC1000 or PTC2000 sensors.

• R25 values of 1k ohms and 2k ohms available
• R25 tolerance ±1% at 25°C
• Operating temperature range: -50°C to +150°C

Our IP68 platinum temperature sensors offer an even higher water-proof integrity than the W-SZK type. Water ingress is not an issue and these probes are available with Pt100, Pt500 or Pt1000 RTD elements.

• IP68 waterproof temperature sensor
• Use from -50°C to +110°C (125°C short term use)
• Single & double-insulated versions with dielectric up to 3.75kV

For an even higher water-proof integrity, our IP68 temperature sensor probes ensure moisture ingress will not be an issue in your application.  Available with a wide range of NTC thermistor elements.

• Offers IP68 waterproof protection
• Continuous use from -50°C to +110°C (125°C short term)
• Single & double-insulated cable with isolation to 3.75kV

ATC Semitec’s FRP1 sensor has a 2.1mm dia tip in a 316 stainless housing with a brass mounting collar.  This fast response NTC thermistor probe is ideal for hot water temperature applications.

• Fast response design (Tc ≤ 1s)
• Accuracy possible to ±0.2K (over 0-70°C)
• Temperature operating range between -50°C to +150°C

Our STS2 series of ring terminal temperature sensors are available with M3 & M4 fixings in insert-moulded housings.  Plastic and metal ring sensors also available with other hole sizes; M5, M6, M8 etc.

• Fast response (Tc≤ 5s)
• Accuracy ±1% or better
• Operating temperature range: -50°C to +150°C

ATC Semitec’s FRP2 sensor assembly uses an exposed glass bead NTC thermistor to maximise its thermal response.  The exposed sensor measures air temperature change within seconds and is suitable for use up to 250°C.

• Fast response design (Tc ≤ 1s)
• Accuracy ±3% or better
• Operating temperature range: -50°C to +250°C

A range of axial glass-encapsulated diode style NTC Thermistors suitable for accurate temperature control and temperature compensation up to 200°C.

• High Temperature resistance: -40°C to +200°C
• Highly accurate 1% tolerances
• Moisture resistant

IP67 rated clip-on temperature sensors for pipe diameters from 13~28mm.  The NTC is housed in a miniature metal probe to optimise the thermal response, typically ≤1s.

• Fast response design (Tc ≤ 1s)
• Accuracy ±0.3°C at 25°C
• Operating range up to -20°C/+120°C

ATC Semitec’s  FRP3 temperature sensor is fitted with an industry standard 1/8″BSPG thread and integral connector.  Commonly used in gas boilers, they are perfect low-cost sensors for numerous applications.

• Accuracy ±1%, available ±0.2K (0-70°C)
• Operating temperature range: -40°C to +125°C
• Available in brass or nickel-plated

Fast response M5 stud temperature sensor assembly in brass or PPS with the NTC thermistor housed within the screw thread portion to optimise the thermal response.  Different thread sizes and body materials available.

• Fast response design (Tc ≤ 3s)
• Accuracy ±3% (or better)
• Operating temperature range: -50°C to +180°C

Our SM series chip SMD NTC thermistors are available in 4 package sizes from 0805 down to 0201.  Combined with R25 values from 2k to 470kohms, this series offers a wide range of SMD sensor options.

• Chip sizes from 0805 down to 0201
• R25 values from 2kohms to 470kohms
• Operating temperature range: -50°C to +125°C

The SPMM series is a range of extremely small temperature sensors in which we can offer precision interchangeability.

• Extremely small temperature sensor (0.6mm diameter)
• Operating temperature range: -50°C to +100°C
• Range of RT curves and accuracies offered

The FRP5 sensor design offers a 2.1mm diameter x 7.6mm long thin-wall sensing tip in 316 stainless steel.  This maximises the NTC position inserted in the fluid for the fastest possible speed of response.

• Very fast thermal response (Tc ≤ 1s)
• R25 accuracy ±3%, ±1% also possible
• Operating range up to -50°C/+200°C

This composite design immersion temperature sensor, which has an NTC Thermistor positioned within the thin-wall stainless steel tip offers a very fast response with a time constant of typically less than 1 second. Screw-thread or push-fit mounting options.

• Very fast response design (Tc < 1s)
• Sensor located at end of thin wall stainless steel tip
• Operating range -40°C to +150°C