BetaTHERM Sensors NTC Disc Thermistor NTC Disc Thermistors: Applications Temperature Compensation for transistor and various electronic circuits. Detection and control of temperatures for air conditioning equipment. Delay circuit such as relay. Automotive Electronics. Photo K2M and K3M Configuration Features Economically priced Available in tape and reel format. Max temperature exposure = +130oC. High D.C. (Dissipation Constant) from 2.0mW/oC to 7.5mW/oC. Available in tolerances of +/-3%, +/-5% and +/-10%. Custom resistance values and tolerances available upon request. D Resin Coating Type K2M K3M D 3.0mm 4.5mm L 25mm 25mm 0.3mm 0.5mm L d (0) NTC Disc Part Numbers and Specifications: Dimensions in mm Part Number Resistance @ 25oC Ohms K2M1KA2 K2M3KA2 K2M5KA2 K2M10KA2 K2M30KA2 K2M50KA2 K3M.5KA2 K3M1KA2 K3M3KA2 K3M5KA2 K3M10KA2 K3M30KA2 K5M.05KA2 K5M.1KA2 K5M.2KA2 K5M.3KA2 K5M.5KA2 K5M1KA2 K5M2KA2 K5M5KA2 K5M10KA2 K5M20KA2 K5M50KA2 K5M150KA2 1000 3000 5000 10000 30000 50000 500 1000 3000 5000 10000 30000 50 100 200 300 500 1000 2000 5000 10000 20000 50000 150000 d (0) K5M Configuration D T Resin Coating Type K5M s D 6.5 T 5.0 L 28 d s 0.5 3.0 +/-1.0 Dimensions in mm d L Soldered CP Wire Sample Part Number: 25/85oC Resistance Beta Value K Tolerance @ 25oC 3520 3810 3910 4050 4270 4330 3430 3620 3880 3950 4130 4240 3200 3350 3500 3550 3650 3800 3900 4150 4200 4300 4650 4900 +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% +/-10% 25/85 Beta tolerance = +/-5% Type K 2M 1K A 2 Tolerance Code Epoxy Resin Coated Nominal Resistance Value @ 25oC Element Dimensions (see chart) Disc Thermistor Ireland 353-91-753238 U.S.A. 508-842-0516 Rated Power @ 25 oC Dissipation Time Max Operating Constant Constant Temperature oC K2M 100mW 10 seconds K3M 250mW 2.0mw/ oC 3.0mw/ oC 15 seconds 130 oC 130 oC K5M 500mW 7.5mw/ oC 20 seconds 130 oC BetaTHERM 75 Web: http://www.betatherm.com BetaTHERM Sensors Inrush Current Limit Thermistor Inrush Current Limiter: Applications: Suppressing capacitor induced inrush current. Surge current to filament bulbs. Switching mode power supplies. Inverter for fluorescent lamp. Heater and control fan motor speed of cooler for electric circuits. Photo Features: Economically priced. Available in tape and reel format High quality and high reliability due to superior manufacturing technology. Operating temperature range: -40oC to 180oC. Resistance tolerance at 25oC: +/-20% 25/85 Beta Value range: 2900 to 3800 (+/-10%). Application Circuits: NTC 220V 110V These NTC Thermistor devices are designed for suppressing inrush current to electronic circuits.Circuits that contain components with PTC characteristics (such as incandescent bulbs or coils) can experience inrush current more than 100 times the normal current on "power-up" when the circuit components are cold . The Power thermistor prevents electronic equipment from being damaged by limiting the inrush current to the circuit. NTC NTC Resistance selection formula (25oC). Rt > 2E Is Part Number Code: CLK 7M 8 A Epoxy Coating (A), OSO for Silicone Coating Resistance in Ohms @ 25oC Disc Diameter: mmOs 7 Current Limiter (Disc) Ireland 353-91-753238 U.S.A. 508-842-0516 BetaTHERM 76 Rt : Resistance at 25oC. E : Line voltage. Is : Inrush current. Web: http://www.betatherm.com BetaTHERM Sensors Inrush Current Limit Thermistor I.C.L. Configuration T D D Inrush Current Limiter (I.C.L.) Dimensions: Disc Disc Element D T L Code Diameter (mm) (mm) (mm) P CLK7M CLK9M CLK11M CLK13M CLK15M CLK22M 7mm 9mm 11mm 13mm 15mm 22mm 9.5 max 10.5 max 12.5 max 14.5 max 16.5 max 24.0 max 5 max 5 max 5 max 5 max 6 max 7 max 25 min 25 min 25 min 25 min 25 min 25 min F d (dia) (mm) F d L Soldered CP Wire 5 +/-1mm 5 +/-1mm 7.5 +/-1mm 7.5 +/-1mm 10 +/-1mm 10 +/-1mm 6 max 6 max 6 max 6 max 6 max 6 max 0.6mm 0.6mm 0.8mm 0.8mm 1.0mm 1.0mm Time 25/85 Beta P Inrush Current Limiter Part Numbers and Specifications: Part Number CLK7M5A CLK7M8A CLK7M10A CLK7M15A CLK7M16A CLK7M22A CLK7M50A CLK9M3A CLK9M5A CLK9M8A CLK9M10A CLK9M12A CLK9M16A CLK9M18A CLK9M22A CLK9M50A CLK9M400A CLK11M3A CLK11M5A CLK11M8A CLK11M10A CLK11M12A CLK11M16A CLK11M25A Resistance Max Steady Dissipation Time 25/85 Beta at 25 oC Current Constant Constant Value K (ohms) (amps) (mW/ oC) (Sec.) 5 +/-20% 8 +/-20% 10 +/-20% 15 +/-20% 16 +/-20% 22 +/-20% 50 +/-20% 3 +/-20% 5 +/-20% 8 +/-20% 10 +/-20% 12 +/-20% 16 +/-20% 18 +/-20% 22 +/-20% 50 +/-20% 400 +/-20% 3 +/-20% 5 +/-20% 8 +/-20% 10 +/-20% 12 +/-20% 16 +/-20% 25 +/-20% 3.0 3.0 2.3 2.0 2.0 1.5 1.5 4.0 3.8 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.5 5.0 4.0 3.5 3.0 3.0 2.8 2.5 Ireland 353-91-753238 U.S.A. 508-842-0516 9 9 9 12 12 10 8 11 11 12 12 12 11 10 10 10 9 12 13 14 14 14 14 13 35 35 30 30 30 32 28 42 42 43 50 40 44 46 46 47 25 45 45 45 45 48 50 53 3000 2950 3000 3050 3050 3000 3100 2950 2900 3000 2950 3000 3150 3150 3200 3200 3800 2900 2950 3000 3000 3100 3150 3200 Part Number Resistance at 25 oC Max Steady Dissipation Current Constant Constant (mW/ oC) (Sec.) Value K (ohms) (amps) CLK13M3A CLK13M5A CLK13M8A CLK13M10A CLK13M16A CLK13M50A 3 +/-20% 5 +/-20% 8 +/-20% 10 +/-20% 16 +/-20% 50 +/-20% 5.0 5.0 4.0 4.0 3.0 2.0 14 15 16 17 19 15 45 70 65 60 55 75 3000 3000 3050 2950 3200 3400 CLK15M2.5A CLK15M3A CLK15M5A CLK15M8A CLK15M10A CLK15M16A CLK15M20A CLK15M25A CLK15M30A 2.5 +/-20% 3 +/-20% 5 +/-20% 8 +/-20% 10 +/-20% 16 +/-20% 20 +/-20% 25 +/-20% 30 +/-20% 6.5 6.5 6.0 5.0 4.8 4.0 3.0 2.8 2.5 20 20 20 20 19 17 15 15 16 65 70 75 75 80 85 90 90 95 2900 2900 2900 3000 3100 3200 3250 3250 3300 CLK22M2.5A CLK22M3A CLK22M5A 2.5 +/-20% 3 +/-20% 5 +/-20% 7.0 7.0 6.6 24 24 25 100 100 85 3000 3100 3150 BetaTHERM 77 Web: http://www.betatherm.com