CHIP NTC THERMISTOR
FENGHUA THERMISTOR COMPONENTS BRANCH COMPANY
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■ FEATURES
·Miniature size ,No lead ,ideal for high density SMT installation
·Low resistance and high B-value series
·Superior solderability and resistance to soldering heat
·Ideal for wave or re-flow soldering
·Glass coating , high precision , small resistance drift
·Environment friendliness.
■ APPLICATIONS
·Temperature compensation in IC、LCD、transistor、crystal oscillator in devices such as mobile
communications equipment
·Temperature sensing in rechargeable batteries
·Temperature sensor for CPU
·Temperature compensation in a variety of other circuits, such as advanced stereo、wireless
earphone and etc.
■ PART NUMBER
CMF X XXX X XXXX X X X X
① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨
① Product Code：Chip NTC Thermistor
② Size Code
Code D A B C
Size（Inches） 0402 0603 0805 1206
② Rated zero-power resistance(R25) Unit: Ω
The first two are significant figure of resistance and the third one expresses number
of following zeros.
④ Tolerance of R25 (%)
Code E F G H J K X
Tolerance of R25 ±0.5 ±1.0 ±2.0 ±3.0 ±5.0 ±10.0 Special tolerance
⑤ B value constant (25/50℃)
⑥ Tolerance of B value(%)
Code E F G H J X
Tolerance of B value ±0.5 ±1.0 ±2.0 ±3.0 ±5.0 Specific
tolerance
⑦ B value Temperature Code
Code A B C D E F G H M N
T1/T225/50 25/ 85 0/25 0/50 0/100 0/80 25/100 -18/25 -20/25 5/25
⑧ Termination Code: N—Nickel Barrier
CHIP NTC THERMISTOR
⑨ Packaging style Code: T—Tape & Reel、B—Bulk
■ DIMENSIONS
M
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L
T
W
unit： inches(mm)
Size L
Length
W
Width
T
Thickness
M
Termination Width
0402
（1005）
.04±.006
(1.0±0.15)
.02±.004
(0. 5±0.10)
.024 max
(0.60 max)
.004 min
(0.10 min)
0603
（1608）
.063±.006
(1.6±0.15)
.031±.006
(0.8±0.15)
.037 max
(0.95 max)
.004 min
(0.10 min)
0805
（2012）
.08±.008
(2.0±0.20)
.05±.008
(1.25±0.20)
.05 max
(1.25 max)
.006 min
(0.15 min)
1206
（3216）
.126±.008
(3.2±0.20)
.063±.008
(1.6±0.20)
.063 max
(1.60 max)
.008 min
(0.20 min)
■ PRODUCT SERIES
· 0402 SERIES
Part No.
Resistance at 25℃
（KΩ）
B-Constant 25/50℃（K）
CMFD102□3000○ 1.0 3000
CMFD222□3200○ 2.2 3200
CMFD332□3200○ 3.3 3200
CMFD472□3400○ 4.7 3400
CMFD472□4000○ 4.7 4000
CMFD682□3400○ 6.8 3400
CMFD103□3400○ 10 3400
CMFD103□3650○ 10 3650
CMFD103□3900○ 10 3900
CHIP NTC THERMISTOR
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CMFD153□3900○ 15 3900
CMFD223□3900○ 22 3900
CMFD223□4050○ 22 4050
CMFD333□3950○ 33 3950
CMFD333□4150○ 33 4150
CMFD473□4050○ 47 4050
CMFD473□4150○ 47 4150
CMFD683□4100○ 68 4100
CMFD683□4200○ 68 4200
CMFD104□4200○ 100 4200
CMFD224□4300○ 220 4300
· 0603、0805、1206 SERIES
Part No.
Resistance at 25℃
（KΩ）
B-Constant 25/50℃（K）
CMF△221□3650○ 0.22 3650
CMF△331□3650○ 0.33 3650
CMF△471□3650○ 0.47 3650
CMF△681□3650○ 0.68 3650
CMF△102□3650○ 1.0 3650
CMF△222□3650○ 2.2 3650
CMF△222□4050○ 2.2 4050
CMF△332□3650○ 3.3 3650
CMF△332□4050○ 3.3 4050
CMF△472□3650○ 4.7 3650
CMF△472□4050○ 4.7 4050
CMF△682□3650○ 6.8 3650
CMF△682□4050○ 6.8 4050
CMF△103□3500○ 10 3500
CMF△103□3650○ 10 3650
CHIP NTC THERMISTOR
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CMF△103□3900○ 10 3900
CMF△153□3900○ 15 3900
CMF△223□3950○ 22 3950
CMF△223□4050○ 22 4050
CMF△333□4000○ 33 4000
CMF△333□4150○ 33 4150
CMF△473□4050○ 47 4050
CMF△473□4150○ 47 4150
CMF△683□4100○ 68 4100
CMF△683□4240○ 68 4240
CMF△104□4300○ 100 4300
CMF△224□4450○ 220 4450
CMF△334□4500○ 330 4500
CMF△105□4500○ 1000 4500
CMF△225□4500○ 2200 4500
CMF△335□4600○ 3300 4600
CMF△475□4650○ 4700 4650
Notice
·Size Code(D：0402； △ denote A：0603, B：0805, C：1206)
·□：Resistance tolerance（F：±1%,G：±2%, H：±3%,J：±5%,K：±10%）
·○: Tolerance of B-Constant (F：±1%,G：±2%, H：±3%,J：±5%)
·Operating Temperature Range： -40~+125
·Max rated Power：0402 series 100mw,0603 series300mw,0805、1206 series 350mw
·Dissipation factor(in still air 25℃)：0402 series 1mw/℃, 0603 series 3mw/℃, 0805、1206 series
3.5mw/℃
·Thermal time constant(in still air) ：≤10sec
·Products can be offered not including Pb and other harmful substances
·The above-mentioned products can be made into the radial and axial resin coating specification
·Special Products are available
CHIP NTC THERMISTOR
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■ RELIABILITY TEST AND TEST METHOD
NO. ITEM CRITERIA TEST CONDITION
1
HIGH TEMPERATURE TEST WITHOUT LOADING，125±3℃ IN AIR FOR 1000
+48/-0 HOURS
2
LOW TEMPERATURE TEST WITHOUT LOADING，-40±3℃ IN AIR FOR 1000
+48/-0 HOURS
3
HUMIDITY TEST WITHOUT LOADING，60±2℃ 90~95%RH IN AIR FOR
1000 +48/-0 HOURS
4 HEAT CYCLE TEST
5 CYCLES OF FOLLOWING SEQUENCE WITHOUT
LOADING.
STEP TEMP(℃) TIME(min)
1 -40 +0/-3 30
2 ROOM TEMP. 10~15
3 +125 +0/-3 30
4 ROOM TEMP. 10~15
5 HIGH TEMPERATURE LOAD
TEST
85±2℃ IN AIR，WITH MAX. OPERATING CURRENT
FOR 1000 +48/-0 HRS..
6 VIBRATION
·R25 CHANGE SHALL BE
LESS THAN±3%
·B-CONSTANT (B25/50)
CHANGE SHALL BE LESS THA
N
±2%
·NO VISIBLE DAMAGE
FREQUENCY:10~55~10Hz
AMPLITUDE:1.5mm
VIBRATED FOR A PERIOD OF 2HRS. IN XYZ THERR
DIRECTIONS EACH OTHER ,TOTBL 6HRS..
7 RESISTANCE TO
SOLDERING HEAT
M
INIMUM 75% OF THE WHOLE
ELECTRODE SURFBCE SHBLL
BE COVERED WITH
SOLDER
·ENVIRONMENT FRIENDLINESS
SOLDERING TEMP.:285±5℃
IMMERSION TIME: 10±0.5SEC.
PRE. TEMP.: 150±5℃
PRE. TIME.: 60SEC.
·OTHER PRODUCT
SOLDERING TEMP.:260±5℃
IMMERSION TIME: 10±0.5SEC.
PRE. TEMP.: 150±5℃
PRE. TIME.: 3min.
8 SOLDERABILITY
M
INIMUM 95% OF THE WHOLE
ELECTRODE SURFBCE SHBLL
BE COVERED WITH
SOLDER
·ENVIRONMENT FRIENDLINESS
SOLDERING TEMP.:255±5℃
IMMERSION TIME: 5±0.5SEC.
PRE. TEMP.: 120±5℃
PRE. TIME.: 60SEC
·OTHER PRODUCT
SOLDERING TEMP.:235±5℃
IMMERSION TIME: 5±0.5SEC.
PRE. TEMP.: 120±5℃
PRE. TIME.: 60SEC
9 ADHESIVE STRENGTH OF
ELECTRODE
NO PEELING OF THE
ELECTRODES
SOLDER NTC THERMISTOR ON THE GLASS EPOXY PCB,
AND APPLY 5N OF FORCE
CHIP NTC THERMISTOR
■ PACKAGING
·Packaging Style：Bulk and taping
·Carrier configuration
1、 Paper tape (mm)
Fig.1
2、Polystyrene tape (mm)
Fig.2
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CHIP NTC THERMISTOR
Fig.3
3、Reel Dimensions
Fig.4
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CHIP NTC THERMISTOR
FENGHUA THERMISTOR COMPONENTS BRANCH COMPANY
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Dimensions:mm
A 178±2(7.00±0.079)
B 60±1(2.36±0.039)
C 130±0.5(5.12±0.020)
D 210±0.8(8.27±0.031)
E 20±0.5(0.79±0.020)
W 10.0±1.0(0.39±0.039)
T 2.0±1.0(0.079±0.020)
R 1.0(0.039)
Reel material： Plastics
4、Packaging Quantity inch(mm)
Symbol 0402(1005) 0603(1608) 0805(2012) 1206(3216)
A .025(0.62) .048( 1.10) .057(1.45) .075(1.90)
B .044(1.12) .070(1.80) .091(2.30) .138(3.50)
T .024(0.60) .031(0.80) .033(0.85) .049(1.25) .033(0.85) .043(1.10)
max .025(0.65) .037(0.95) .037(0.95) .059(1.50) .037(0.95) .053(1.37)
Fig No 1 1 1 2 1 2
Pcs/reel 10000 4000 4000 3000 4000 3000
5、Big Packaging
Box Packaging second Packaging
QuBntity： 5 Reels. Quantity： 12 boxes.
（Max 20000pcs） （Max 300000pcs）
CHIP NTC THERMISTOR
FENGHUA THERMISTOR COMPONENTS BRANCH COMPANY
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CHIP NTC THERMISTOR
FENGHUA THERMISTOR COMPONENTS BRANCH COMPANY
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