PTC, NTC SMT Application Datasheet by Murata Electronics

lit/Lamar {a [led/mm
PTC - NTC
for Surface Mounting
Application
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
What is a Thermistor?
PRF15/18 Series Chip POSISTORr for Overheat Sensing
PRF15 Series Characteristics
Thermally Sensitive Resistor
NTC
Negative Temperature Coefficient
Positive Temperature Coefficient
PTC
Thermistor
Characteristics of Thermistors
Resistance - Temperature Characteristics
PTC Thermistor
(POSISTORr)
BaTiO 3 + X
Ceramics
NTC Thermistor
Mn-Ni, Mn-Co-Cu,
Mn-Ni + X
Ceramics
Log
R
T
2xR25
R25
25 Curie
Point
Log
R
T
R25
25
PRF15/18 PTC Chip Thermistors detect overheating
of Hybrid ICs, Power Transistors, Power Diodes and
Power ICs etc.
1. 0402 and 0603 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.
6. PRF18xxx5RB series is available for Reflow/Flow
soldering.
R1 RL
RER2
PRF
Thermal
Contact Thermal
Contact
+Vcc
GND
Fan Motor
Vref
M
PRF
Comparator
Power IC
Control IC
Example
Part Number
Sensing Temperature
(at 100k ohm)
(°C)
Max.
Voltage
(V)
Resistance
(at 25°C)
(ohm)
Operating
Temp.
(°C)
PRF15BA102RB6RC 140 ±3°C 32 1k ±50% -20 to 150
PRF15BB102RB6RC 130 ±3°C 32 1k ±50% -20 to 140
PRF15BC102RB6RC 120 ±3°C 32 1k ±50% -20 to 130
PRF15BD102RB6RC 110 ±3°C 32 1k ±50% -20 to 120
PRF15BE102RB6RC 100 ±3°C 32 1k ±50% -20 to 110
PRF15BF102RB6RC 90 ±3°C 32 1k ±50% -20 to 100
PRF15BG102RB6RC 80 ±3°C
Sensing Temperature
(at 10k ohm)
(°C)
125 ±5°C
115 ±5°C
105 ±5°C
95 ±5°C
85 ±5°C
75 ±5°C
65 ±5°C 32 1k ±50% -20 to 90
New
(in mm)
Dimensions Electrode
Construction
Cross-sectional
Nickel Barrier Sn Plating
Ceramics
PTC
0.1-0.4
1.0±0.05 0.5±0.05
0.5±0.05
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
PRF18 Series Characteristics
(in mm)
Electrode
Construction
Cross-sectional
Nickel Barrier Sn Plating
Ceramics
PTC
0.1-0.6
1.6±0.15 0.8±0.15
0.8±0.15
Dimensions
Part Number
Resistance
(at +25°C)
(ohm)
Sensing Temperature
(at 4.7k ohm)
(°C)
Maximum
Voltage
(V)
Operating
Temperature Range
(°C)
PRF18BA103QB1RB
Low Current Consumption!
130 ±5°C -20 to 140
10k ±50%32
Part Number
Sensing Temperature
(at 4.7k ohm)
(°C)
Sensing Temperature
(at 47k ohm)
(°C)
Maximum
Voltage
(V)
Resistance
(at 25°C)
(ohm)
Operating
Temperature Range
(°C)
PRF18BG471QB5RB 65 ±5°C 80 ±7°C 32 470 ±50% -20 to 90
PRF18BF471QB5RB 75 ±5°C 90 ±7°C 32 470 ±50% -20 to 100
PRF18BE471QB5RB 85 ±5°C 100 ±7°C 32 470 ±50% -20 to 110
PRF18BD471QB5RB 95 ±5°C 110 ±7°C 32 470 ±50% -20 to 120
PRF18BC471QB5RB 105 ±5°C 120 ±7°C 32 470 ±50% -20 to 130
PRF18BB471QB5RB 115 ±5°C 130 ±7°C 32 470 ±50% -20 to 140
PRF18BA471QB5RB 125 ±5°C 140 ±7°C 32 470 ±50% -20 to 150
PRF18AR471QB5RB 135 ±5°C 150 ±7°C 32 470 ±50% -20 to 160
PRF18AS471QB5RB 145 ±5°C - 32 470 ±50% -20 to 160
Part Number
Sensing Temperature
(at 4.7k ohm)
(°C)
Maximum
Voltage
(V)
Resistance
(at 25°C)
(ohm)
Operating
Temperature Range
(°C)
PRF18BG471RB5RB 65 ±3°C 32 470 ±50% -20 to 80
PRF18BF471RB5RB 75 ±3°C 32 470 ±50% -20 to 90
PRF18BE471RB5RB 85 ±3°C 32 470 ±50% -20 to 100
PRF18BD471RB5RB 95 ±3°C 32 470 ±50% -20 to 110
PRF18BC471RB5RB 105 ±3°C 32 470 ±50% -20 to 120
PRF18BB471RB5RB 115 ±3°C 32 470 ±50% -20 to 130
Chip Tight Tolerance Type
This product is applied to flow/reflow soldering. This product is recognized by UL.
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Circuit Examples
The POSISTORr has the
following advantages over
Bimetal devices.
1. Noise free
2. No contact problems
3. Low price
The POSISTORr has the
following additional advantages
over Zener Diodes.
1. Reduced numbers of parts
used in circuits
2. Reduced process costs of
mounting parts on PCBs
3. Reduces occupied space,
helping high density PCB
mounting
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 temperature-
resistance characteristic. It easily allows changing a
number of POSISTORr or sensing temperature in the
same basic circuit design.
Bimetal
Zener Diode
POSISTORr
POSISTORr
PRF
+
-
PRF
Zener Diode POSISTORr
Mounting Area
Parts
10x10 = 100mm26x6 = 36mm2
Parts
Diode
Transistor
Resistor
Op. Amp.
UPS
1
2
7
1
Parts
POSISTORr
Transistor
Resistor
Op. Amp.
UPS
1
1
2
0
Total 11 Total 4
PTC1
R1 R4
V+in
V–in Comp Out
R2
R3
PTC2
PTC3
PTC4
Vcc
Vcc
+
–
Comp
Connection of multiple POSISTORr
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
PRG18/21 Series Chip POSISTORr for Overcurrent Protection
PRG Series Characteristics
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
Markets & Applications of Overheat Sensing
Temperature Fuse
---
---
---
---
Temperature Fuse
---
Temperature Fuse
---
---
NTC Thermistor
---
---
---
---
---
PRF PC Server
TV Game
Video Camera
Lighting
Power Supply
Car Audio
Audio
Air Conditioner
Refrigerator
PPC/Printer
Copy Machine
Power Supply
LCD
AC Adapter
DC-DC Converter
AC Adapter
AC Adapter
Dimmer
DC-DC Converter
AMP
LCD
AMP
DC Brushless Motor
DC Brushless Motor
DC Brushless Motor
Lamp
Overheat Sensing of FET
Overheat Sensing of Power Supply
Overheat Sensing for Inverter Module of Backlight
Overheat Sensing of FET
Overheat Sensing of Case
Overheat Sensing of FET
Overheat Sensing of FET
Overheat Sensing of PCB
Overheat Sensing of Power Tr
Overheat Sensing of FET
Overheat Sensing of Power Hybrid IC
Overheat Sensing of Case
Overheat Sensing for Inverter of Backlight
Overheat Sensing of Power Hybrid IC
Overheat Sensing of Power Hybrid IC
Current Limitation & Overheat Sensing of Driver IC
Overheat Sensing of Driver IC
Overheat Sensing of Driver IC
Overheat Sensing of Lamp Starter Circuit
<Set PTC Used> <Function of PRF> <Competitive Device>
Part Number
Max.
Voltage
(V)
Hold Current
(at +60°C)
(mA)
Hold Current
(at +25°C)
(mA)
Trip Current
(at +25°C)
(mA)
Trip Current
(at -10°C)
(mA)
Max.
Current
(mA)
Resistance
(at +25°C)
(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%
Chip Type 0603 Size
0008 0808 OOXX AAXO
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Dimensions
PRG18BB PRG21BB PRG21BC
L
W
T
e
b
1.6±0.15
0.8±0.15
0.1-0.6
-
2.0±0.2
1.25±0.2
0.2 min.
0.5 min.
2.0±0.2
1.25±0.2
0.9±0.2
0.2 min.
0.5 min.
L
ebe T
W
Multilayer Chip POSISTORr for Overcurrent Protection
Electrode Construction Cross-sectional
Nickel Barrier
PRG18/21BC Type Sn Plating
PTC
Ceramics
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
Limiting
Circuit
IN
IN
OUT
OUT
FET
Fuse Resistor
Limiting
Circuit
IN OUT
FET
Control
Circuit
FET
Control
Circuit
FET
PRG
IN OUT
PRG
Auto-reset
Down Sizing &
Overcurrent Protecting
From Fuse Resistor
From Chip Resistor
IN IN OUT OUT
PRG
Simple
From Current Control Circuit
Key: Cross = Bad - Circle = Good - Triangle = Little difference
Safety
Repeat
Space
Cost
POSISTORrFuse Resistor Control Circuit Chip ResistorItem
(in mm)
Part Number
Max.
Voltage
(V)
Hold Current
(at +60°C)
(mA)
Hold Current
(at +25°C)
(mA)
Trip Current
(at +25°C)
(mA)
Trip Current
(at -10°C)
(mA)
Max.
Current
(mA)
Resistance
(at +25°C)
(ohm)
PRG21BB220MB1RK 20 30 44 91 110 1100 22 ±20%
PRG21BB150MB1RK 20 40 59 116 140 1600 15 ±20%
PRG21BC6R8MM1RA 20 80 120 260 320 3500 6.8 ±20%
PRG21BC4R7MM1RA 20 100 155 330 400 5000 4.7 ±20%
PRG21BC3R3MM1RA 16 120 180 400 480 6000 3.3 ±20%
PRG21BC2R2MM1RA 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.
Chip Type 0805 Size
%- E: g
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Markets & Applications for Overcurrent Protection
Chip NTC Thermistor NCP Series
Chip Resistor
Fuse Resistor
Chip Resistor
---
PRG Note PC
PDA
Rechargeable
Battery
Current Limitation & Overcurrent
Protection for Trickle Charging Circuit
<Product / Use> <POSISTORr Function> <Competitive Devices>
Current Limitation & Overcurrent
Protection for Control IC
Short-circuit Protection
for Signal Line
Short-circuit Protection
for LCD Drive Module
Overcurrent Protection
Overcurrent Protection
for Output Circuit
Overcurrent Protection
Short-circuit Protection
for Optical Sensor Driver
Mother Board
et Al.
LCD
DC-DC Converter
DC-DC Converter
Signal Line
Optical Sensor
TV Game
Power Supply
Car Audio
Undefined
Circuit Using Tr
Circuit Using Tr
Leaded PTC
---
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.
Silver Alloy
Nickel Plating Tin Plating
NTC
Ceramics
Structure NCP Plated Terminations
NCP03
(0201 size)
NCP15
(0402 size)
NCP18
(0603 size)
NCP21
(0805 size)
L
W
T
e
0.60±0.03
0.3±0.03
0.10-0.20
1.00±0.05
0.50±0.05
0.15-0.35
1.60±0.15
0.80±0.15
0.20-0.60
2.00±0.20
1.25±0.20
0.85±0.15
0.20-0.70
L
eT
W
e
Dimensions
(in mm)
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Line-up of Plated Termination
Resistance
at 25°C B-Constant Part Number B-Constant Part Number B-Constant Part Number B-Constant Part Number
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
P/N in End
Packaging
NCP03YS110*
NCP03YS220*
NCP03YS330*
NCP03YS470*
NCP03YS680*
NCP03YS101*
NCP03XC151*
NCP03XC221*
NCP03XC331*
NCP03XC471*
NCP03XC681*
NCP03XM102*
NCP03XM152*
NCP03XM222*
NCP03XM332*
NCP03XM472*
NCP03XH682*
NCP03XH103*
NCP03XH153*
NCP03XH223*
NCP03WF333*
NCP03WB473*
NCP03WF683*
NCP03WF104*
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3900 K
-
-
-
4485 K
4485 K
4485 K
4485 K
4485 K
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NCP03XV103*
-
-
-
NCP03WL473*
NCP03WL683*
NCP03WL104*
NCP03WL154*
NCP03WL224*
-
-
-
-
-40 to +125°C
Approx. 1.0 mW/°C
05RL
15 kpcs./reel
-
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
-
-
-
-
-
-
0201 size NCP03
-
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
-
-
-
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*
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3900 K
-
4485 K
4485 K
4485 K
4485 K
4485 K
4485 K
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NCP15XV103*
-
NCP15WL223*
NCP15WL333*
NCP15WL473*
NCP15WL683*
NCP15WL104*
NCP15WL154*
-
-
-
-
-
-40 to +125°C
Approx. 1.0 mW/°C
03RC
10 kpcs./reel
-Done
0402 size NCP15
Operating
Temp.
Dissipation
Constant
Certified
UL1434
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 R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
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
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
P/N in End
Packaging
-
-
-
-
-
NCP18XF101*
NCP18XF151*
NCP18XM221*
NCP18XM331*
NCP18XQ471*
NCP18XQ681*
NCP18XQ102*
NCP18XW152*
NCP18XW222*
NCP18XW332*
NCP18XM472*
NCP18XW682*
NCP18XH103*
NCP18XW153*
NCP18XW223*
NCP18WB333*
NCP18WB473*
NCP18WD683*
NCP18WF104*
NCP18WM154*
NCP18WM224*
-
NCP18WM474*
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3900 K
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NCP18XV103*
-
-
-
-
-
-
-
-
-
-
-
-
-40 to +125°C
Approx. 1.0 mW/°C
03RB
4 kpcs./reel
Done
-
-
-
-
-
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
-
-
0603 size NCP18
-
-
-
-
-
-
-
3500 K
-
3650 K
-
3650 K
-
3950 K
-
3500 K
-
3900 K
3950 K
3950 K
4050 K
4050 K
-
4250 K
-
-
-
-
-
-
-
-
-
-
-
-
-
NCP21XM221*
-
NCP21XQ471*
-
NCP21XQ102*
-
NCP21XW222*
-
NCP21XM472*
-
NCP21XV103*
NCP21XW153*
NCP21XW223*
NCP21WB333*
NCP21WB473*
-
NCP21WF104*
-
-
-
-
-
-
-40 to +125°C
Approx. 2.0 mW/°C
03RA
4 kpcs./reel
Done
0805 size NCP21
Operating
Temp.
Dissipation
Constant
Certified
UL1434
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)
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Popular Applications of Chip NTC
More Popular Applications of Chip NTC
LCD Power Amplifier
Battery Pack (Li-ion / Ni MH)
R
V ref
Ground
LCD
Controller
NTC
RR
Vcc to Antenna
Thermal
Connection
PA
Module AGC
Amp.
ROM
R NTC
Li-ion
Thermal
Connection
FET FET
IC
NTC
Ni MH
Thermal
Connection
PTC
NTC
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.
Ambient temperature
detection of charging time.
Detection of battery cell
heating in abnormal
circumstances.
47k ohm±5%
10k ohm±5%
10k ohm±1% …etc.
LCD TV VCR Camera
CD Auto Changer
Printer
Personal Computer
Mobile Phone
Pager
Portable CD
Player
Headphone Stereo
Mini Disk Player
Rechargeable Battery
Cassette & Tuner
NCP15
(0402
size)
NCP15
(0402
size)
NCP18
(0603
size)
NCP18
(0603
size)
NCP21
(0805
size)
NCP21
(0805
size)
A lead of
mechanical
pencil
(0.5mm dia.)
NCP03
(0201
size)
NCP03
(0201
size)
HDD
Digital
Camera
PDA
!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Temperature Sensor Thermo String Type
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).
Dimensions
Part Number
B-Constant
(25-50°C)
(K)
Dissioation
Constant (25°C)
(mW)
Resistance
(25°C)
(ohm)
Operating
Temp.
(°C)
NXFT15XH103FApBppp 3380 1.510k -20 to 150
NXFT15WB473FApBppp 4050 1.547k -20 to 140
NXFT15WF104FApBppp 4250 1.5100k -20 to 130
Operating
Temp.
(°C)
-40 to 125
-40 to 125
-40 to 125
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 0.1°C
Rated Electric Power shows the required electric power that causes Thermistor’s temperature to rise to 30°C by self heating, at ambient temperature of 25°C.
New
Features
1.2±0.4
25 to 100±2
110 to 150±3
3+2/-1
1.2±0.4
ø0.30±0.05
The full length 25mm, 30 to 150mm interval 10mm. (in mm)
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!Note R01E.pdf
Sep.16,2011
• 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 specifi cations because there is no space for detailed specifi cations. Therefore, please review our product specifi cations or consult the approval sheet for product specifi cations before ordering.
Cat. No. R01E-2