NCP15XW332_技术文档

• 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.

!Note

R01E.pdf

06.1.25

PTC - N TC

fo r Su rfa ce Mo u n tin g

Ap p lica tio n

• 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.

!Note

R01E.pdf

06.1.25

What is a Thermistor?

Thermally Sensitive Resistor

Characteristics of Thermistors

Resistance - Temperature Characteristics

Log

R

PTC Thermistor

Thermistor

Positive Temperature Coefficient

(POSISTORr)

2xR25

R25

BaTiO ₃+ X

Ceramics

Log

Curie

Point

T

25

R

PTC

R25

NTC Thermistor

Negative Temperature Coefficient

Mn-Ni, Mn-Co-Cu,

Mn-Ni + X

T

25

Ceramics

NTC

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.

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.

1. 0402 and 0603 light weight

Example

+Vcc

Fan Motor

Power IC

Thermal

R1

Thermal

Contact

R^L

M

Contact

Comparator

PRF

Control IC

PRF

R2

RE

Vref

GND

PRF15 Series Characteristics

Sensing Temp.

(at 4.7k ohm)

Maximum

Voltage

Resistance

(at +25°C)

Part Number

Characteristics

Operating Temp.

PRF15BA471QB1RC

PRF15BB471QB1RC

PRF15BC471QB1RC

BA

BB

BC

125±5°C

115±5°C

105±5°C

-20 to +140°C

-20 to +130°C

-20 to +120°C

470ohm ±50%

32VDC

Dimensions

Electrode

Construction

Cross-sectional

PTC

Ceramic

0.5±0.05

0.1-0.4

0.5±0.05

1.0±0.05

(in mm)

Nickel Barrier

Sn Plating

• 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.

!Note

R01E.pdf

06.1.25

PRF18 Series Characteristics

Sensing Temp. *

(at 4.7k ohm)

Maximum

Voltage

Maximum

Current

Resistance

(at +25°C)

Part Number

Characteristics

Operating Temp.

PRF18AS471QB1RB

PRF18AR471QB1RB

PRF18BA471QB1RB

PRF18BB471QB1RB

PRF18BC471QB1RB

PRF18BD471QB1RB

PRF18BE471QB1RB

PRF18BF471QB1RB

PRF18BG471QB1RB

AS

AR

BA

BB

BC

BD

BE

BF

BG

145±5°C

135±5°C

125±5°C *

115±5°C *

105±5°C *

95±5°C *

85±5°C *

75±5°C

-20 to +160°C

-20 to +150°C

-20 to +140°C

-20 to +130°C

-20 to +120°C

-20 to +110°C

-20 to +100°C

-20 to + 90°C

-20 to + 80°C

470 ohm ±50%

32VDC

30mA

65±5°C

* Also available with tolerance ±3°C

Rating (0603) - Lead Free Terminations Type and UL1434 (except BF, BG types)

Sensing Temp.

(at 4.7k ohm)

Maximum

Voltage

Resistance

(at +25°C)

Part Number

Characteristics

BA

Operating Temp.

PRF18BA473QB1RB

-20 to +140°C

470k ohm ±50%

130±5°C

32VDC

Low Current Consumption!

Dimensions

Electrode

Construction

Cross-sectional

PTC

Ceramic

0.8±0.15

0.1-0.6

(in mm)

Nickel Barrier

Sn Plating

0.8±0.15

1.6±0.15

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

2. Reduced process costs of

mounting parts on PCBs

Zener Diode

POSISTORr

2

Mounting Area

Parts

10x10 = 100mm

Parts

6x6 = 36mm

Parts

UPS

3. Reduces occupied space,

helping high density PCB

mounting

Diode

1

2

7

1

POSISTORr

Transistor

Resistor

1

2

0

Transistor

Resistor

Op. Amp.

Total

11

Total

4

• 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.

!Note

R01E.pdf

06.1.25

Markets & Applications of Overheat Sensing

Power Supply

Overheat Sensing of FET

PRF

PC Server

Temperature Fuse

Overheat Sensing of Power Supply

Overheat Sensing for Inverter Module of Backlight

Overheat Sensing of FET

---

LCD

AC Adapter

Overheat Sensing of Case

TV Game

DC-DC Converter

AC Adapter

Dimmer

Overheat Sensing of FET

Temperature Fuse

Video Camera

Lighting

Overheat Sensing of PCB

---

Overheat Sensing of Power Tr

Temperature Fuse

Power Supply

Car Audio

DC-DC Converter

AMP

Overheat Sensing of FET

---

Overheat Sensing of Power Hybrid IC

Overheat Sensing of Case

NTC Thermistor

LCD

AMP

Overheat Sensing for Inverter of Backlight

Overheat Sensing of Power Hybrid IC

Current Limitation & Overheat Sensing of Driver IC

Overheat Sensing of Driver IC

Audio

---

Air Conditioner

DC Brushless Motor

Lamp

Refrigerator

PPC/Printer

Overheat Sensing of Driver IC

Copy Machine

Overheat Sensing of Lamp Starter Circuit

---

PRG18/ 21 Series Chip POSISTORr for Overcurrent Prevention

Chip THERMISTORS prevent failure of apparatus due

to excess current.

1. 0603 and 0805 light weight

Load

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.

PTC

PRG Series Characteristics

Ratings - Lead Free Terminations

Resistance

Part Number

Maximum

Voltage

Maximum

Current

Non-operating

Current (at +60°C)

Operating

Current (at -10°C)

(at +25°C)

PRG21BC0R2MM1RA

PRG21BC4R7MM1RA

PRG21BC6R8MM1RA

PRG21BB150MB1RK

PRG21BB220MB1RK

PRG18BB330MB1RB

PRG18BB470MB1RB

PRG18BB101MB1RB

PRG18BB221MB1RB

PRG18BB471MB1RB

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%

6VDC

10A

5A

500mA

100mA

80mA

40mA

30mA

25mA

20mA

15mA

10mA

7mA

2000mA

400mA

320mA

140mA

110mA

85mA

20VDC

3.5A

1.6A

20VDC

1.1A

350mA

300mA

200mA

90mA

40mA

75mA

24VDC

55mA

35mA

25mA

• 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.

!Note

R01E.pdf

06.1.25

Dimensions

L

PRG18BB

PRG21BB

PRG21BC

2.0±0.2

L

W

T

1.6±0.15

2.0±0.2

1.25±0.2

0.9±0.2

W

0.8±0.15

1.25±0.2

e

0.1-0.6

-

0.2 min.

0.5 min.

0.2 min.

0.5 min.

b

e

b

e

T

(in mm)

Multilayer Chip POSISTORr for Overcurrent Protection

Electrode Construction Cross-sectional

PTC

Ceramic

Nickel Barrier

PRG21BC 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

PRG

IN

OUT

IN

OUT

IN

OUT

IN

OUT

FET

Limitting

Circuit

Limitting

Circuit

Simple

Auto-reset

Item

POSISTORr

Fuse Resistor

Control Circuit

Chip Resistor

From Chip Resistor

Safety

PRG

IN

FET

OUT IN

OUT

Repeat

Space

Cost

FET

Control

Circuit

Control

Circuit

Down Sizing &

Overcurrent Protecting

Key: Cross = Bad

- Circle = Good - Triangle = Little difference

• 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.

!Note

R01E.pdf

06.1.25

Markets & Applications for Overcurrent Protection

Note PC

PDA

Rechargeable

Battery

Current Limitation & Overcurrent

Protection for Trickle Charging Circuit

PRG

Chip Resistor

Current Limitation & Overcurrent

Protection for Control IC

Fuse Resistor

Chip Resistor

Mother Board

et Al.

Short-circuit Protection

for Signal Line

---

Short-circuit Protection

for LCD Drive Module

LCD

TV Game

Power Supply

Car Audio

DC-DC Converter

Signal Line

Overcurrent Protection

Circuit Using Tr

Leaded PTC

---

Overcurrent Protection

for Output Circuit

Overcurrent Protection

Short-circuit Protection

for Optical Sensor Driver

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).

Structure NCP Plated Terminations

3. Tight resistance tolerance of ±1% (Code F)

available on 10k ohm (0402, 0603), 47k ohm (0603)

and 100k ohm (0603) products.

NTC

Ceramic

4. High soldering heat resistant

5. High humidity resistant due to unique inner

electrodes.

Silver Alloy

Nickel Plating

Tin Plating

Dimensions

NCP03

NCP15

NCP18

NCP21

(0201 size)

(0402 size)

(0603 size)

(0805 size)

0.60±0.03

1.00±0.05

1.60±0.15

2.00±0.20

1.25±0.20

0.85±0.15

0.20-0.70

L

W

T

W

0.3±0.03

0.50±0.05

0.80±0.15

T

e

L

0.10-0.20

0.15-0.35

0.20-0.60

e

(in mm)

• 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.

!Note

R01E.pdf

06.1.25

Line-up of Plated Termination

0402 NCP15

0201 NCP03

Resistance

at 25°C

B-Constant

2750 K

( 3100 K

( 3500 K

3380 K

4250 K

4050 K

4250 K

-

Part Number

B-Constant

Part Number

B-Constant

-

Part Number

-

B-Constant

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*

-

11 ohm

22 ohm

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*

-

3100 K

3250 K

3500 K

3650 K

3950 K

3500 K

3950 K

3380 K

3950 K

4050 K

4150 K

4250 K

4500 K

-

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

-

3900 K

NCP15XV103*

-

4485 K

NCP15WL223*

-

4485 K

NCP15WL333*

-

4485 K

NCP15WL473*

4485 K

NCP03WL473*

4485 K

NCP15WL683*

4485 K

NCP03WL683*

4485 K

NCP15WL104*

4485 K

NCP03WL104*

4485 K

NCP15WL154*

4485 K

NCP03WL154*

-

4485 K

NCP03WL224*

-

( 4750 K

-

NCP03WQ334*

NCP03WQ474*

NCP03WQ684*

NCP03WQ105*

4500 K

-

NCP15WM474*

-

Operating

Temp.

-40 to +125°C

Dissipation

Constant

Approx. 1.0 mW/°C

03RC

05RL

P/N in End

Packaging

10 kpcs./reel

15 kpcs./reel

Certified

UL1434

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)

• 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.

!Note

R01E.pdf

06.1.25

0603 NCP18

0805 NCP21

Resistance

at 25°C

B-Constant

-

Part Number

B-Constant

Part Number

B-Constant

Part Number

-

11 ohm

22 ohm

-

33 ohm

-

47 ohm

-

68 ohm

-

3250 K

3500 K

3650 K

3950 K

3500 K

3950 K

3380 K

3950 K

4050 K

4150 K

4250 K

4500 K

-

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

NCP18XF101*

NCP18XF151*

NCP18XM221*

NCP18XM331*

NCP18XQ471*

NCP18XQ681*

NCP18XQ102*

NCP18XW152*

NCP18XW222*

NCP18XW332*

NCP18XM472*

NCP18XW682*

NCP18XH103*

NCP18XW153*

NCP18XW223*

NCP18WB333*

NCP18WB473*

NCP18WD683*

NCP18WF104*

NCP18WM154*

NCP18WM224*

-

3500 K

NCP21XM221*

-

3650 K

NCP21XQ471*

-

3650 K

NCP21XQ102*

-

3950 K

NCP21XW222*

-

3500 K

NCP21XM472*

-

NCP18XV103*

3900 K

NCP21XV103*

3900 K

-

3950 K

NCP21XW153*

-

3950 K

NCP21XW223*

4050 K

NCP21WB333*

4050 K

NCP21WB473*

-

4250 K

NCP21WF104*

-

4500 K

-

NCP18WM474*

-

Operating

Temp.

-40 to +125°C

Dissipation

Constant

Approx. 2.0 mW/°C

Approx. 1.0 mW/°C

03RA

03RB

P/N in End

Packaging

4 kpcs./reel

Certified

UL1434

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)

• 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.

!Note

R01E.pdf

06.1.25

Popular Applications of Chip NTC

LCD

Power Amplifier

to Antenna

Vcc

LCD Contrast control.

Temperature

compensation of

power amplifier (PA)

module.

Drive voltage is

compensated utilizing

NTC’s temperature

signal.

PA

Module

AGC

Amp.

High resistance values

generally required,

typically

V ref

LCD

Controller

Thermal

Connection

ROM

33k ohms to

470k ohms

Ground

Battery Pack (Li-Ion / Ni MH)

Li-lon

Ambient temperature

Ni MH

detection of charging time.

Detection of battery cell

heating in abnormal

circumstances.

PTC

FET

Thermal

Connection

47k ohm±5%

Thermal

Connection

10k ohm±5%

IC

10k ohm±1% …etc.

NTC

More Popular Applications of Chip NTCs

Portable CD

LCD TV

Personal Computer

PDA

Pager

Digital

Camera

VCR Camera

Player

NCP03

(0201

size)

HDD

NCP15

NCP18

NCP21

(0805

size)

NCP15

(0402

size)

NCP18

(0603

size)

NCP21

Mobile Phone

A lead of

mechanical

pencil

Mini Disk Player

(0.5mm dia.)

Headphone Stereo

Rechargeable Battery

Cassette & Tuner

CD Auto Changer

Printer


型号：	NCP15XW332
厂家：	muRata
描述：	for Surface Mounting Application 表面贴装应用
文件：	总10页 (文件大小：265K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

NCP15XW332 [MURATA]

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