Slide 1: PTC limit temperature sensors
PTC limit temperature sensors Simple temperature monitoring TDK Electronics AG Piezo and Protection Devices Business Group Product Marketing PTC thermistors Munich, Germany February 2022
Slide 2: Production plants
Production plants Šumperk, Czech Republic Front-end, back-end ● Pressing ● Sintering ● Metalization Deutschlandsberg, Austria Powder ● Powder production Zhuhai, China Back-end Kutina, Croatia ● Soldering Final measurement ● Assembly ● Final testing ● Final testing ● Package ● Package © TDK Electroni
Slide 3: PTC product range
PTC product range Heating Overload Motor start PTC ICL Sensors elements Parameters Parameters Parameters Parameters Parameters U: 12 to 500 V U: 180 to 265 V U: 12 to 800 V U: 400 to 1000 V Tsens: +60 to +180 °C R: 0.3 to 1800 Ω R: 4.7 to 5000 Ω R: 0.75 to 960 Ω R: 22 to 7500 Ω Size: Leaded, SMD, Ø:
Slide 4: Description of a PTC and key parameters
Description of a PTC and key parameters Typical R/T curve RPTC What is a PTC? A PTC (Positive Temperature Coefficient) is a resistor whose resistance varies with temperature. With increasing temperature, the resistance of the PTC will increase. RN Resistance value at +25 °C Rmin Minimum resistance o
Slide 5: Function and technology advantages
Function and technology advantages ● Senses over-temperature in the circuit ● Simple system integration ● Self regulating behavior ● No replacement needed after failure case ● SMD types available for usage on small PCBs © TDK Electronics AG 2022 PTC limit temperature sensors Simple temperature m
Slide 6: Company advantages
Company advantages ● Market leader for PTC thermistor products ● More than 50 years experience in PTC technology ● Wide limit temperature range available (+55 to +180 °C) ● Products based on AEC-Q200 qualification available ● Customer-specific products possible © TDK Electronics AG 2022 PTC limit
Slide 7: Product range overview (1)
Product range overview (1) ● Max. operating voltage 30 V ● Measuring voltage ≤ 2.5 V ● Rated resistance ≤ 100 Ω ● Limit temperature range +60 to +180 °C ● Operating temp. range at Vmax 0 to +40 °C ● Approvals RoHS, UL 1434 ● EIA case size 0402, 0603, 0805 ● Max. operating voltage 32 V ● Rated resist
Slide 8: Product range overview (2)
Product range overview (2) ● Max. operating voltage 30 V ● Measuring voltage ≤ 2.5 V ● Rated resistance ≤ 100 Ω ● Limit temperature range +60 to +120 °C ● Operating temp. range at Vmax 0 to +40 °C ● Approvals RoHS, UL 1434 ● Max. operating voltage 16 V ● Measuring voltage 2.5 V ● Rated resistance ≤
Slide 9: Product range overview (3)
Product range overview (3) ● Max. operating voltage 30 V ● Measuring voltage ≤ 2.5 V ● Rated resistance ≤ 250 Ω ● Limit temperature range +70 to +160 °C ● Operating temp. range at Vmax 0 to +40 °C ● Approvals RoHS, UL 1434 ● Max. operating voltage 30 V ● Measuring voltage ≤ 2.5 V ● Rated resistance
Slide 10: Applications (1)
Applications (1) Automotive headlights Electric motors Laptops © TDK Electronics AG 2022 PTC limit temperature sensors Simple temperature monitoring PPD BG PTC PM 02/22 10
Slide 11: Applications (2)
Applications (2) Switch-mode power supplies Automotive electronics © TDK Electronics AG 2022 PTC limit temperature sensors Simple temperature monitoring PPD BG PTC PM 02/22 11
Slide 12: Checklist of design inputs
Checklist of design inputs Mechanical parameters Electrical parameters Others Dimensions / case size Limit temperature Packaging Automotive or industrial applications Operating temperature © TDK Electronics AG 2022 PTC limit temperature sensors Simple temperature monitoring PPD BG PTC PM 02/22
Slide 13: www.tdk-electronics.tdk.com
www.tdk-electronics.tdk.com