!Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. PTC - NTC for Surface Mounting Application R01E.pdf Sep.16,2011 !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. What is a Thermistor? Thermally Sensitive Resistor Characteristics of Thermistors Resistance - Temperature Characteristics PTC Thermistor Thermistor Positive Temperature (POSISTORr) Coefficient 2xR25 R25 BaTiO 3 + X Ceramics Log R PTC Negative Log R Temperature NTC Thermistor Coefficient Curie Point T R25 Mn-Ni, Mn-Co-Cu, Mn-Ni + X Ceramics NTC 25 25 T PRF15/18 Series Chip POSISTORr for Overheat Sensing PRF15/18 PTC Chip Thermistors detect overheating of Hybrid ICs, Power Transistors, Power Diodes and Power ICs etc. 3. Free of contact noise and problems 4. Pb free plated terminations 5. Sturdy construction resists mechanical vibration and shock. 6. PRF18xxx5RB series is available for Reflow/Flow soldering. 1. 0402 and 0603 light weight 2. High gain simplifies circuit design +Vcc R1 Thermal Contact RL Example Fan Motor Power IC M Thermal Contact PRF Comparator Control IC R2 PRF RE Vref GND PRF15 Series Characteristics New Sensing Temperature (at 100k ohm) (C) Sensing Temperature (at 10k ohm) (C) Max. Voltage (V) Resistance (at 25C) (ohm) Operating Temp. (C) PRF15BA102RB6RC 140 3C 125 5C 32 1k 50% -20 to 150 PRF15BB102RB6RC 130 3C 115 5C 32 1k 50% -20 to 140 PRF15BC102RB6RC 120 3C 105 5C 32 1k 50% -20 to 130 PRF15BD102RB6RC 110 3C 95 5C 32 1k 50% -20 to 120 PRF15BE102RB6RC 100 3C 85 5C 32 1k 50% -20 to 110 PRF15BF102RB6RC 90 3C 75 5C 32 1k 50% -20 to 100 PRF15BG102RB6RC 80 3C 65 5C 32 1k 50% -20 to 90 Part Number Dimensions Electrode Construction Cross-sectional 0.50.05 PTC Ceramics 0.1-0.4 1.00.05 0.50.05 (in mm) Nickel Barrier Sn Plating R01E.pdf Sep.16,2011 R01E.pdf !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. Sep.16,2011 PRF18 Series Characteristics Sensing Temperature (at 4.7k ohm) (C) Sensing Temperature (at 47k ohm) (C) Maximum Voltage (V) Resistance (at 25C) (ohm) PRF18BG471QB5RB 65 5C 80 7C 32 470 50% -20 to 90 PRF18BF471QB5RB 75 5C 90 7C 32 470 50% -20 to 100 PRF18BE471QB5RB 85 5C 100 7C 32 470 50% -20 to 110 PRF18BD471QB5RB 95 5C 110 7C 32 470 50% -20 to 120 PRF18BC471QB5RB 105 5C 120 7C 32 470 50% -20 to 130 PRF18BB471QB5RB 115 5C 130 7C 32 470 50% -20 to 140 PRF18BA471QB5RB 125 5C 140 7C 32 470 50% -20 to 150 PRF18AR471QB5RB 135 5C 150 7C 32 470 50% -20 to 160 PRF18AS471QB5RB 145 5C - 32 470 50% -20 to 160 Part Number Operating Temperature Range (C) Chip Tight Tolerance Type Sensing Temperature (at 4.7k ohm) (C) Maximum Voltage (V) Resistance (at 25C) (ohm) Operating Temperature Range (C) PRF18BG471RB5RB 65 3C 32 470 50% -20 to 80 PRF18BF471RB5RB 75 3C 32 470 50% -20 to 90 PRF18BE471RB5RB 85 3C 32 470 50% -20 to 100 PRF18BD471RB5RB 95 3C 32 470 50% -20 to 110 PRF18BC471RB5RB 105 3C 32 470 50% -20 to 120 PRF18BB471RB5RB 115 3C 32 470 50% -20 to 130 Sensing Temperature (at 4.7k ohm) (C) Maximum Voltage (V) Resistance (at +25C) (ohm) Operating Temperature Range (C) 130 5C 32 10k 50% -20 to 140 Part Number This product is applied to flow/reflow soldering. This product is recognized by UL. Part Number PRF18BA103QB1RB Low Current Consumption! Dimensions 0.80.15 Electrode Construction Cross-sectional PTC Ceramics 0.1-0.6 1.60.15 0.80.15 (in mm) Nickel Barrier Sn Plating !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. R01E.pdf Sep.16,2011 Circuit Examples The POSISTORr has the following advantages over Bimetal devices. POSISTORr Bimetal 1. Noise free PRF 2. No contact problems 3. Low price POSISTORr Zener Diode The POSISTORr has the following additional advantages over Zener Diodes. PRF + 1. Reduced numbers of parts used in circuits Mounting Area Parts Zener Diode 10x10 = 100mm2 UPS Parts 1 Diode 2 Transistor 7 Resistor 1 Op. Amp. Total 2. Reduced process costs of mounting parts on PCBs POSISTORr 6x6 = 36mm2 UPS Parts 1 POSISTORr 1 Transistor 2 Resistor 0 Op. Amp. 11 More than two pieces of POSISTORr can cover multi hot spots working with a comparator. Fig. shows basic circuit idea to connect multiple POSISTORr in series. When One POSISTORr detects overheat at least, a comparator can work by the sharp temperatureresistance characteristic. It easily allows changing a number of POSISTORr or sensing temperature in the same basic circuit design. Total 3. Reduces occupied space, helping high density PCB mounting 4 Vcc R4 R1 Vcc PTC1 R2 V+in PTC2 PTC3 R3 V-in + Comp - Comp Out PTC4 Connection of multiple POSISTORr !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. R01E.pdf Sep.16,2011 Markets & Applications of Overheat Sensing <Set PTC Used> PRF PC Server TV Game <Function of PRF> <Competitive Device> Power Supply Overheat Sensing of FET Temperature Fuse Overheat Sensing of Power Supply --- LCD Overheat Sensing for Inverter Module of Backlight --- AC Adapter Overheat Sensing of FET --- Overheat Sensing of Case --- DC-DC Converter Video Camera Overheat Sensing of FET AC Adapter Overheat Sensing of FET Temperature Fuse AC Adapter Overheat Sensing of PCB --- Lighting Dimmer Overheat Sensing of Power Tr Temperature Fuse Power Supply DC-DC Converter Overheat Sensing of FET --- Car Audio AMP Overheat Sensing of Power Hybrid IC --- Overheat Sensing of Case NTC Thermistor LCD Overheat Sensing for Inverter of Backlight AMP Overheat Sensing of Power Hybrid IC --- Overheat Sensing of Power Hybrid IC --- DC Brushless Motor Current Limitation & Overheat Sensing of Driver IC --- Refrigerator DC Brushless Motor Overheat Sensing of Driver IC --- PPC/Printer DC Brushless Motor Overheat Sensing of Driver IC Copy Machine Lamp Overheat Sensing of Lamp Starter Circuit Audio Air Conditioner --- PRG18/21 Series Chip POSISTORr for Overcurrent Protection Chip Thermistors prevent failure of apparatus due to excess current. 1. 0603 and 0805 light weight 2. High gain simplifies circuit design 3. Free of contact noise and problems 4. Pb free plated terminations 5. Sturdy construction resists mechanical vibration and shock. Load PTC PTC PRG Series Characteristics Chip Type 0603 Size Part Number Max. Voltage (V) Hold Current (at +60C) (mA) Hold Current (at +25C) (mA) Trip Current (at +25C) (mA) Trip Current (at -10C) (mA) Max. Current (mA) Resistance (at +25C) (ohm) PRG18BB471MB1RB 24 7 10 21 25 60 470 20% PRG18BB221MB1RB 24 10 14 29 35 130 220 20% PRG18BB101MB1RB 24 15 21 45 55 300 100 20% PRG18BB470MB1RB 24 20 29 61 75 630 47 20% PRG18BB330MB1RB 24 25 36 71 85 900 33 20% PRG18BC6R8MM1RB 20 80 120 260 320 3500 6.8 20% PRG18BC4R7MM1RB 20 100 155 330 400 5000 4.7 20% PRG18BC3R3MM1RB 12 120 180 400 480 4500 3.3 20% PRG18BC2R2MM1RB 9 150 220 500 600 5000 2.2 20% PRG18BC1R0MM1RB 6 220 330 740 850 7500 1.0 20% !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. Chip Type 0805 Size Part Number Max. Voltage (V) Hold Current (at +60C) (mA) Hold Current (at +25C) (mA) Trip Current (at +25C) (mA) Trip Current (at -10C) (mA) Max. Current (mA) Resistance (at +25C) (ohm) PRG21BB220MB1RK 20 30 PRG21BB150MB1RK 20 40 44 91 110 1100 22 20% 59 116 140 1600 15 20% PRG21BC6R8MM1RA 20 PRG21BC4R7MM1RA 20 80 120 260 320 3500 6.8 20% 100 155 330 400 5000 PRG21BC3R3MM1RA 16 4.7 20% 120 180 400 480 6000 PRG21BC2R2MM1RA 3.3 20% 12 150 220 500 600 6500 2.2 20% PRG21BC1R0MM1RA 9 220 330 740 850 10000 1.0 20% PRG21BC0R6MM1RA 6 285 420 920 1100 10000 0.6 20% PRG21BC0R2MM1RA 6 500 750 1620 2000 10000 0.2 20% Maximum Current shows typical capacities of the transformer which can be used. Please contact us for UL recognized products. Dimensions L W T e b L PRG18BB 1.60.15 PRG21BB 2.00.2 0.80.15 1.250.2 0.1-0.6 - 0.2 min. 0.5 min. PRG21BC 2.00.2 1.250.2 0.90.2 0.2 min. 0.5 min. W e b e T (in mm) Electrode Construction Cross-sectional Multilayer Chip POSISTORr for Overcurrent Protection PTC Ceramics Nickel Barrier PRG18/21BC Type Sn Plating Data here are reference only. Specifications available upon request. Product to be evaluated, confirmed by the user before actual use. Description here may be revised without notice. POSISTORr Ideas From Fuse Resistor From Current Control Circuit Fuse Resistor IN OUT PRG IN PRG OUT IN OUT IN OUT FET FET Limiting Circuit Limiting Circuit Simple Auto-reset Item POSISTORr Fuse Resistor Control Circuit From Chip Resistor Safety PRG OUT IN IN FET Control Circuit OUT FET Control Circuit Down Sizing & Overcurrent Protecting Repeat Space Cost Key: Cross = Bad - Circle = Good - Triangle = Little difference Chip Resistor R01E.pdf Sep.16,2011 !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. R01E.pdf Sep.16,2011 Markets & Applications for Overcurrent Protection <Product / Use> PRG Note PC PDA <POSISTORr Function> Rechargeable Battery <Competitive Devices> Current Limitation & Overcurrent Protection for Trickle Charging Circuit Chip Resistor Current Limitation & Overcurrent Protection for Control IC Fuse Resistor Chip Resistor Mother Board et Al. Short-circuit Protection for Signal Line --- LCD Short-circuit Protection for LCD Drive Module TV Game DC-DC Converter Overcurrent Protection Circuit Using Tr Power Supply DC-DC Converter Overcurrent Protection for Output Circuit Circuit Using Tr Car Audio Signal Line Overcurrent Protection Leaded PTC Undefined Optical Sensor Short-circuit Protection for Optical Sensor Driver --- Chip NTC Thermistor NCP Series 1. A common relationship between Resistance and B constant in all sizes (0201/ 0402/ 0603/ 0805) offers convenience when downsizing. 2. No lead contained (Pb free). 3. Tight resistance tolerance of 1% (Code F) available on 10k ohm (0201, 0402, 0603), 47k ohm (0402, 0603) and 100k ohm (0201, 0402, 0603) products. 4. High soldering heat resistant 5. High humidity resistant due to unique inner electrodes. Structure NCP Plated Terminations NTC Ceramics Silver Alloy Nickel Plating Dimensions L W W e L e T T (in mm) e Tin Plating NCP03 (0201 size) NCP15 (0402 size) NCP18 (0603 size) NCP21 (0805 size) 0.600.03 1.000.05 1.600.15 2.000.20 0.30.03 0.500.05 0.800.15 0.10-0.20 0.15-0.35 0.20-0.60 1.250.20 0.850.15 0.20-0.70 R01E.pdf !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. Sep.16,2011 Line-up of Plated Termination 0402 size NCP15 0201 size NCP03 Resistance at 25C B-Constant Part Number B-Constant Part Number B-Constant Part Number B-Constant Part Number 11 ohm 2750 K NCP03YS110* - - - - - - 22 ohm 2750 K NCP03YS220* - - 3100 K NCP15XC220* - - 33 ohm 2750 K NCP03YS330* - - 3100 K NCP15XC330* - - 47 ohm 2750 K NCP03YS470* - - 3100 K NCP15XC470* - - 68 ohm 2750 K NCP03YS680* - - 3100 K NCP15XC680* - - 100 ohm 2750 K NCP03YS101* - - 3250 K NCP15XF101* - - 150 ohm ( 3100 K NCP03XC151* - - 3250 K NCP15XF151* - - NCP15XM221* - - 220 ohm ( 3100 K NCP03XC221* - - 3500 K 330 ohm ( 3100 K NCP03XC331* - - 3500 K NCP15XM331* - - 470 ohm ( 3100 K NCP03XC471* - - 3650 K NCP15XQ471* - - 680 ohm ( 3100 K NCP03XC681* - - 3650 K NCP15XQ681* - - 1.0k ohm 3500 K NCP03XM102* - - 3650 K NCP15XQ102* - - 1.5k ohm 3500 K NCP03XM152* - - 3950 K NCP15XW152* - - 2.2k ohm 3500 K NCP03XM222* - - 3950 K NCP15XW222* - - 3.3k ohm 3500 K NCP03XM332* - - 3950 K NCP15XW332* - - 4.7k ohm 3500 K NCP03XM472* - - 3500 K NCP15XM472* - - 6.8k ohm 3380 K NCP03XH682* - - 3950 K NCP15XW682* - - 10k ohm 3380 K NCP03XH103* 3900 K NCP03XV103* 3380 K NCP15XH103* 3900 K NCP15XV103* 15k ohm 3380 K NCP03XH153* - - 3950 K NCP15XW153* - - 22k ohm 3380 K NCP03XH223* - - 3950 K NCP15XW223* 4485 K NCP15WL223* 33k ohm 4250 K NCP03WF333* - - 4050 K NCP15WB333* 4485 K NCP15WL333* 47k ohm 4050 K NCP03WB473* 4485 K NCP03WL473* 4050 K NCP15WB473* 4485 K NCP15WL473* 68k ohm 4250 K NCP03WF683* 4485 K NCP03WL683* 4150 K NCP15WD683* 4485 K NCP15WL683* NCP15WL104* 100k ohm 4250 K NCP03WF104* 4485 K NCP03WL104* 4250 K NCP15WF104* 4485 K 150k ohm - - 4485 K NCP03WL154* 4500 K NCP15WM154* 4485 K NCP15WL154* 220k ohm - - 4485 K NCP03WL224* 4500 K NCP15WM224* - - 330k ohm - - - - - - - - 470k ohm - - - - 4500 K NCP15WM474* - - 680k ohm - - - - - - - - 1.0M ohm - - - - - - - - Operating Temp. -40 to +125C -40 to +125C Dissipation Constant Approx. 1.0 mW/C Approx. 1.0 mW/C P/N in End 05RL 03RC Packaging 15 kpcs./reel 10 kpcs./reel Certified UL1434 - Done - Recommended types Coming soon! * Resistance tolerance codes: F=1%, E=3%, J=5% 10k ohm, 47k ohm, 100k ohm type have Tight Tolerance Type (1%: NCP18XH103F03RB, NCP15XH103F03RC, NCP03XH103F05RL, NCP18WB473F10RB, NCP15WB473F03RC, NCP18WF104F12RB, NCP15WF104F03RC, NCP03WF104F05RL) !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. 0805 size NCP21 0603 size NCP18 Resistance at 25C B-Constant Part Number B-Constant Part Number B-Constant Part Number 11 ohm - - - - - - 22 ohm - - - - - - 33 ohm - - - - - - 47 ohm - - - - - - 68 ohm - - - - - - 100 ohm 3250 K NCP18XF101* - - - - 150 ohm 3250 K NCP18XF151* - - - - 3500 K NCP21XM221* 220 ohm 3500 K NCP18XM221* - - 330 ohm 3500 K NCP18XM331* - - - - 470 ohm 3650 K NCP18XQ471* - - 3650 K NCP21XQ471* 680 ohm 3650 K NCP18XQ681* - - - - 1.0k ohm 3650 K NCP18XQ102* - - 3650 K NCP21XQ102* 1.5k ohm 3950 K NCP18XW152* - - - - 2.2k ohm 3950 K NCP18XW222* - - 3950 K NCP21XW222* 3.3k ohm 3950 K NCP18XW332* - - - - 4.7k ohm 3500 K NCP18XM472* - - 3500 K NCP21XM472* 6.8k ohm 3950 K NCP18XW682* - - - - 10k ohm 3380 K NCP18XH103* 3900 K NCP18XV103* 3900 K NCP21XV103* 15k ohm 3950 K NCP18XW153* - - 3950 K NCP21XW153* 22k ohm 3950 K NCP18XW223* - - 3950 K NCP21XW223* 33k ohm 4050 K NCP18WB333* - - 4050 K NCP21WB333* 47k ohm 4050 K NCP18WB473* - - 4050 K NCP21WB473* 68k ohm 4150 K NCP18WD683* - - - - 100k ohm 4250 K NCP18WF104* - - 4250 K NCP21WF104* 150k ohm 4500 K NCP18WM154* - - - - 220k ohm 4500 K NCP18WM224* - - - - 330k ohm - - - - - - 470k ohm 4500 K NCP18WM474* - - - - 680k ohm - - - - - - 1.0M ohm - - - - - - Operating Temp. -40 to +125C -40 to +125C Dissipation Constant Approx. 1.0 mW/C Approx. 2.0 mW/C P/N in End 03RB 03RA Packaging 4 kpcs./reel 4 kpcs./reel Certified UL1434 Done Done Recommended types * Resistance tolerance codes: F=1%, E=3%, J=5% 10k ohm, 47k ohm, 100k ohm type have Tight Tolerance Type (1%: NCP18XH103F03RB, NCP15XH103F03RC, NCP03XH103F05RL, NCP18WB473F10RB, NCP15WB473F03RC, NCP18WF104F12RB, NCP15WF104F03RC, NCP03WF104F05RL) R01E.pdf Sep.16,2011 !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. Popular Applications of Chip NTC LCD Power Amplifier to Antenna Ground R R LCD Controller PA Module NTC Drive voltage is compensated utilizing NTC's temperature signal. High resistance values generally required, typically 33k ohms to 470k ohms V ref R Temperature compensation of power amplifier (PA) module. LCD Contrast control. R NTC Vcc AGC Amp. Thermal Connection ROM Battery Pack (Li-ion / Ni MH) Li-ion Ambient temperature detection of charging time. Detection of battery cell heating in abnormal circumstances. Ni MH FET IC PTC FET Thermal Connection Thermal Connection 47k ohm5% 10k ohm5% 10k ohm1% ...etc. NTC NTC More Popular Applications of Chip NTC Personal Computer HDD Mini Disk Player Portable CD Player LCD TV PDA Pager Digital Camera VCR Camera NCP03 (0201 size) A lead of mechanical pencil (0.5mm dia.) NCP15 (0402 size) NCP18 (0603 size) NCP21 (0805 size) Mobile Phone Headphone Stereo Printer Cassette & Tuner CD Auto Changer Rechargeable Battery R01E.pdf Sep.16,2011 !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. Temperature Sensor Thermo String Type New Part Number Resistance (25C) (ohm) B-Constant (25-50C) (K) Operating Temp. (C) Dissioation Constant (25C) (mW) Operating Temp. (C) NXFT15XH103FApBppp 10k 3380 -40 to 125 1.5 -20 to 150 NXFT15WB473FApBppp 47k 4050 -40 to 125 1.5 -20 to 140 NXFT15WF104FApBppp 100k 4250 -40 to 125 1.5 -20 to 130 p is the filled with lead shape (1: twist, 2: without twist). ppp is the filled with Total-length codes. (25mm, 30 to 150mm interval 10mm, ex. 050=50mm) Operating Current for Sensor rises Thermistor's temperature by 0.1C Rated Electric Power shows the required electric power that causes Thermistor's temperature to rise to 30C by self heating, at ambient temperature of 25C. Features Dimensions 1.20.4 25 to 1002 110 to 1503 1.20.4 3+2/-1 1. High accuracy and highly sensitive temperature sensing is mode possible by the small size and high accuracy NTC Thermistor. 2. Narrow space temperature sensing is made possible by the small sensing head and the thin lead wire. 3. Flexibility and a wide variety of lengths (25mm to 150mm) enables the design of flexible temperature sensing architectures. 4. This product is compatible with our 0402 (EIA) size chip Thermistor. 5. Excellent long-term aging stability. 6. This is halogen free product. * Cl=max. 900ppm, Br=max. 900ppm and Cl+Br=max. 1500ppm 7. NXFT series are recognized by UL/cUL (UL1434, File No. E137188). o0.300.05 The full length 25mm, 30 to 150mm interval 10mm. (in mm) R01E.pdf Sep.16,2011 !Note * Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. * This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. Cat. No. R01E-2 R01E.pdf Sep.16,2011