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| !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 PTC - NTC for Surface Mounting Application !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 What is a Thermistor? Thermally Sensitive Resistor Characteristics of Thermistors Resistance - Temperature Characteristics Log R 2xR25 R25 Thermistor Positive Temperature Coefficient PTC Thermistor (POSISTORr) BaTiO 3 + X Ceramics Log R R25 25 PTC Negative Temperature Coefficient Curie Point T NTC Thermistor Mn-Ni, Mn-Co-Cu, Mn-Ni + X Ceramics NTC 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. 1. 0402 and 0603 light weight +Vcc R1 PRF Thermal Contact 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. Example Fan Motor Power IC Thermal Contact Comparator Control IC RL M R2 RE GND PRF Vref PRF15 Series Characteristics New Part Number PRF15BA471QB1RC PRF15BB471QB1RC PRF15BC471QB1RC Characteristics BA BB BC 470ohm 50% Resistance (at +25C) Sensing Temp. (at 4.7k ohm) 1255C 1155C 1055C Maximum Voltage Operating Temp. -20 to +140C 32VDC -20 to +130C -20 to +120C Dimensions 0.50.05 0.1-0.4 1.00.05 0.50.05 (in mm) Electrode Construction Cross-sectional PTC Ceramic Sn Plating Nickel Barrier !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 PRF18 Series Characteristics Part Number PRF18AS471QB1RB PRF18AR471QB1RB PRF18BA471QB1RB PRF18BB471QB1RB PRF18BC471QB1RB PRF18BD471QB1RB PRF18BE471QB1RB PRF18BF471QB1RB PRF18BG471QB1RB * Also available with tolerance 3C Characteristics AS AR BA BB BC BD BE BF BG Resistance (at +25C) Sensing Temp. * (at 4.7k ohm) 1455C 1355C 1255C * 1155C * Maximum Voltage Maximum Current Operating Temp. -20 to +160C -20 to +150C -20 to +140C -20 to +130C 470 ohm 50% 1055C * 955C * 855C * 755C 655C 32VDC 30mA -20 to +120C -20 to +110C -20 to +100C -20 to + 90C -20 to + 80C Rating (0603) - Lead Free Terminations Type and UL1434 (except BF, BG types) New Part Number PRF18BA473QB1RB Characteristics BA Resistance (at +25C) 470k ohm 50% Sensing Temp. (at 4.7k ohm) 1305C Maximum Voltage 32VDC Operating Temp. -20 to +140C Low Current Consumption! Dimensions 0.80.15 0.1-0.6 1.60.15 0.80.15 (in mm) Electrode Construction Cross-sectional PTC Ceramic Sn Plating Nickel Barrier Circuit Examples Bimetal POSISTORr The POSISTORr has the following advantages over Bimetal devices. 1. Noise free PRF 2. No contact problems 3. Low price Zener Diode POSISTORr PRF + The POSISTORr has the following additional advantages over Zener Diodes. 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 11 POSISTORr 6x6 = 36mm2 UPS Parts 1 POSISTORr 1 Transistor 2 Resistor 0 Op. Amp. Total 4 2. Reduced process costs of mounting parts on PCBs 3. Reduces occupied space, helping high density PCB mounting !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Markets & Applications of Overheat Sensing PRG18/21 Series Chip POSISTORr for Overcurrent Prevention 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 Ratings - Lead Free Terminations New Part Number Resistance (at +25C) 0.20 ohm 20% 4.7 ohm 20% 6.8 ohm 20% 15 ohm 20% 22 ohm 20% 33 ohm 20% 47 ohm 20% 100 ohm 20% 220 ohm 20% 470 ohm 20% Maximum Voltage 6VDC 20VDC 20VDC Maximum Current 10A 5A 3.5A 1.6A 1.1A 350mA 300mA Non-operating Current (at +60C) 500mA 100mA 80mA 40mA 30mA 25mA 20mA 15mA 10mA 7mA Operating Current (at -10C) 2000mA 400mA 320mA 140mA 110mA 85mA 75mA 55mA 35mA 25mA PRG21BC0R2MM1RA PRG21BC4R7MM1RA PRG21BC6R8MM1RA PRG21BB150MB1RK PRG21BB220MB1RK PRG18BB330MB1RB PRG18BB470MB1RB PRG18BB101MB1RB PRG18BB221MB1RB PRG18BB471MB1RB 24VDC 200mA 90mA 40mA !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Dimensions L W T e b PRG18BB 1.60.15 0.80.15 0.1-0.6 PRG21BB 2.00.2 1.250.2 0.2 min. 0.5 min. PRG21BC 2.00.2 1.250.2 0.90.2 0.2 min. 0.5 min. L W e b e T (in mm) Multilayer Chip POSISTORr for Overcurrent Protection Electrode Construction Cross-sectional PTC Ceramic PRG21BC Type Nickel Barrier 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 Fuse Resistor IN FET OUT IN FET PRG OUT From Current Control Circuit PRG IN OUT IN OUT Limitting Circuit Limitting Circuit Auto-reset Simple Item POSISTORr Fuse Resistor Control Circuit Chip Resistor From Chip Resistor PRG IN FET OUT IN FET OUT Safety Repeat Control Circuit Control Circuit Space Down Sizing & Overcurrent Protecting Cost Key: Cross = Bad - Circle = Good - Triangle = Little difference !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Markets & Applications for Overcurrent Protection TV Game DC-DC Converter Power Supply DC-DC Converter Circuit Using Tr Car Audio Signal Line Leaded PTC Undefined Optical Sensor --- 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 (0402, 0603), 47k ohm (0603) and 100k ohm (0603) products. 4. High soldering heat resistant 5. High humidity resistant due to unique inner electrodes. Dimensions W e e T (in mm) L W T e Structure NCP Plated Terminations NTC Ceramic Silver Alloy Nickel Plating Tin Plating NCP03 (0201 size) 0.600.03 0.30.03 0.10-0.20 NCP15 (0402 size) 1.000.05 0.500.05 0.15-0.35 NCP18 (0603 size) 1.600.15 0.800.15 0.20-0.60 NCP21 (0805 size) 2.000.20 1.250.20 0.850.15 0.20-0.70 L !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Line-up of Plated Termination Resistance at 25C 11 ohm 22 ohm 33 ohm 47 ohm 68 ohm 100 ohm 150 ohm 220 ohm 330 ohm 470 ohm 680 ohm 1.0k ohm 1.5k ohm 2.2k ohm 3.3k ohm 4.7k ohm 6.8k ohm 10k ohm 15k ohm 22k ohm 33k ohm 47k ohm 68k ohm 100k ohm 150k ohm 220k ohm 330k ohm 470k ohm 680k ohm 1.0M ohm Operating Temp. Dissipation Constant P/N in End Packaging Certified UL1434 Recommended types Coming soon! * Resistance tolerance codes: F=1%, E=3%, J=5%, K=10% 10k ohm, 47k ohm, 100k ohm type have Tight Tolerance Type (1%: NCP18XH103F03RB, NCP15XH103F03RC, NCP18WB473F10RB, NCP15WB473F03RC, NCP18WF104F12RB, NCP15WF104F03RC) 0201 NCP03 B-Constant 2750 K 2750 K 2750 K 2750 K 2750 K 2750 K ( 3100 K ( 3100 K ( 3100 K ( 3100 K ( 3100 K ( 3500 K ( 3500 K ( 3500 K ( 3500 K ( 3500 K 3380 K 3380 K 3380 K 3380 K 4250 K 4050 K 4250 K 4250 K ( 4750 K ( 4750 K ( 4750 K ( 4750 K Part Number NCP03YS110* NCP03YS220* NCP03YS330* NCP03YS470* NCP03YS680* NCP03YS101* NCP03XC151* NCP03XC221* NCP03XC331* NCP03XC471* NCP03XC681* NCP03XM102* NCP03XM152* NCP03XM222* NCP03XM332* NCP03XM472* NCP03XH682* NCP03XH103* NCP03XH153* NCP03XH223* NCP03WF333* NCP03WB473* NCP03WF683* NCP03WF104* NCP03WQ334* NCP03WQ474* NCP03WQ684* NCP03WQ105* B-Constant 4485 K 4485 K 4485 K 4485 K 4485 K Part Number NCP03WL473* NCP03WL683* NCP03WL104* NCP03WL154* NCP03WL224* B-Constant 3100 K 3100 K 3100 K 3100 K 3250 K 3250 K 3500 K 3500 K 3650 K 3650 K 3650 K 3950 K 3950 K 3950 K 3500 K 3950 K 3380 K 3950 K 3950 K 4050 K 4050 K 4150 K 4250 K 4500 K 4500 K 4500 K - 0402 NCP15 Part Number NCP15XC220* NCP15XC330* NCP15XC470* NCP15XC680* NCP15XF101* NCP15XF151* NCP15XM221* NCP15XM331* NCP15XQ471* NCP15XQ681* NCP15XQ102* NCP15XW152* NCP15XW222* NCP15XW332* NCP15XM472* NCP15XW682* NCP15XH103* NCP15XW153* NCP15XW223* NCP15WB333* NCP15WB473* NCP15WD683* NCP15WF104* NCP15WM154* NCP15WM224* NCP15WM474* B-Constant 3900 K 4485 K 4485 K 4485 K 4485 K 4485 K 4485 K -40 to +125C Approx. 1.0 mW/C 03RC 10 kpcs./reel Done Part Number NCP15XV103* NCP15WL223* NCP15WL333* NCP15WL473* NCP15WL683* NCP15WL104* NCP15WL154* - -40 to +125C Approx. 1.0 mW/C 05RL 15 kpcs./reel - !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Resistance at 25C 11 ohm 22 ohm 33 ohm 47 ohm 68 ohm 100 ohm 150 ohm 220 ohm 330 ohm 470 ohm 680 ohm 1.0k ohm 1.5k ohm 2.2k ohm 3.3k ohm 4.7k ohm 6.8k ohm 10k ohm 15k ohm 22k ohm 33k ohm 47k ohm 68k ohm 100k ohm 150k ohm 220k ohm 330k ohm 470k ohm 680k ohm 1.0M ohm Operating Temp. Dissipation Constant P/N in End Packaging Certified UL1434 0603 NCP18 B-Constant 3250 K 3250 K 3500 K 3500 K 3650 K 3650 K 3650 K 3950 K 3950 K 3950 K 3500 K 3950 K 3380 K 3950 K 3950 K 4050 K 4050 K 4150 K 4250 K 4500 K 4500 K 4500 K Part Number NCP18XF101* NCP18XF151* NCP18XM221* NCP18XM331* NCP18XQ471* NCP18XQ681* NCP18XQ102* NCP18XW152* NCP18XW222* NCP18XW332* NCP18XM472* NCP18XW682* NCP18XH103* NCP18XW153* NCP18XW223* NCP18WB333* NCP18WB473* NCP18WD683* NCP18WF104* NCP18WM154* NCP18WM224* NCP18WM474* B-Constant 3900 K -40 to +125C Approx. 1.0 mW/C 03RB 4 kpcs./reel Done Part Number NCP18XV103* 3500 K 3650 K 3650 K 3950 K 3500 K 3900 K 3950 K 3950 K 4050 K 4050 K 4250 K - 0805 NCP21 B-Constant Part Number NCP21XM221* NCP21XQ471* NCP21XQ102* NCP21XW222* NCP21XM472* NCP21XV103* NCP21XW153* NCP21XW223* NCP21WB333* NCP21WB473* NCP21WF104* -40 to +125C Approx. 2.0 mW/C 03RA 4 kpcs./reel Done Recommended types Coming soon! * Resistance tolerance codes: F=1%, E=3%, J=5%, K=10% 10k ohm, 47k ohm, 100k ohm type have Tight Tolerance Type (1%: NCP18XH103F03RB, NCP15XH103F03RC, NCP18WB473F10RB, NCP15WB473F03RC, NCP18WF104F12RB, NCP15WF104F03RC) !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Popular Applications of Chip NTC LCD Vcc NTC R Power Amplifier to Antenna LCD Contrast control. Drive voltage is compensated utilizing NTC's temperature signal. High resistance values generally required, typically 33k ohms to 470k ohms Temperature compensation of power amplifier (PA) module. R V ref LCD Controller Ground R R NTC PA Module AGC Amp. Thermal Connection ROM Battery Pack (Li-Ion / Ni MH) Li-lon Ni MH FET FET PTC Ambient temperature detection of charging time. Detection of battery cell heating in abnormal circumstances. 47k ohm5% 10k ohm5% 10k ohm1% ...etc. IC Thermal Connection Thermal Connection NTC NTC More Popular Applications of Chip NTCs Personal Computer Portable CD Player LCD TV PDA Pager Digital Camera VCR Camera HDD NCP03 (0201 size) Mini Disk Player A lead of mechanical pencil (0.5mm dia.) NCP15 (0402 size) NCP18 (0603 size) NCP21 (0805 size) Mobile Phone Headphone Stereo Rechargeable Battery Printer Cassette & Tuner CD Auto Changer !Note * This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. * This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. R01E.pdf 06.1.25 Note: 1. Export Control For customers outside Japan No muRata products should be used or sold, through any channels, for use in the design, development, production, utilization, maintenance or operation of, or otherwise contribution to (1) any weapons (Weapons of Mass Destruction (nuclear, chemical or biological weapons or missiles) or conventional weapons) or (2) goods or systems specially designed or intended for military end-use or utilization by military end-users. For customers in Japan For products which are controlled items subject to the "Foreign Exchange and Foreign Trade Law" of Japan, the export license specified by the law is required for export. 2. Please contact our sales representatives or product engineers before using the products in this catalog for the applications listed below, which require especially high reliability for the prevention of defects which might directly damage a third party's life, body or property, or when one of our products is intended for use in applications other than those specified in this catalog. q Aircraft equipment w Aerospace equipment e Undersea equipment r Power plant equipment t Medical equipment y Transportation equipment (vehicles, trains, ships, etc.) u Traffic signal equipment i Disaster prevention / crime prevention equipment o Data-processing equipment !0 Application of similar complexity and/or reliability requirements to the applications listed above 3. Product specifications in this catalog are as of January 2006. They are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. If there are any questions, please contact our sales representatives or product engineers. 4. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. Especially, please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in them to prevent smoking and/or burning, etc. 5. You are able to read a detailed specification in the website of Search Engine (http://search.murata.co.jp/) or catalog library (http://www.murata.com/catalog/) before to require our product specification or to transact the approval sheet for product specification. 6. Please note that unless otherwise specified, we shall assume no responsibility whatsoever for any conflict or dispute that may occur in connection with the effect of our and/or a third party's intellectual property rights and other related rights in consideration of your use of our products and/or information described or contained in our catalogs. In this connection, no representation shall be made to the effect that any third parties are authorized to use the rights mentioned above under licenses without our consent. 7. No ozone depleting substances (ODS) under the Montreal Protocol are used in our manufacturing process. < < > > http://www.murata.com/ Head Office 1-10-1, Higashi Kotari, Nagaokakyo-shi, Kyoto 617-8555, Japan Phone: 81-75-951-9111 International Division 3-29-12, Shibuya, Shibuya-ku, Tokyo 150-0002, Japan Phone: 81-3-5469-6123 Fax: 81-3-5469-6155 E-mail: intl@murata.co.jp Cat. No. R01E |
Price & Availability of NCP21WB333
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