Negative Temperature
Coefficient Chip Thermistors
Type NTC Series
Type NTC Series
Characteristics -
Electrical
Rated Power Max (mW)
Optimum Working Dissipation (mW)
Resistance Range (ohms) Min
Max
Tolerance on Resistance (%)
Code Letter
Selection Series
ß Constant
Tolerance on ß (%)
Thermal Time Constant (sec)
Thermal Dissipation Constant (mW/°C)
Operation Temp. Range (°C)
Resistance to Soldering Heat
NTC0603
63
0.4
4K7
150K
5 10
J K
NTC0805
125
1
100
150K
5 10
J K
A range of NTC chip thermistors
offering high thermal sensitivity.
Suitable for temperature compen-
sating circuits and other applica-
tions
requiring
a
resistance
that varies according to ambient
temperature.
See Table
See Table
5 (3% available on request)
2
1.2
-55 to +125
± 2% on both R25 and B
4
1.5
Key Features
■
■
■
■
Dimensions
a
L
Two Package Sizes
Suited to Automatic Pick
and Place
Components supplied
unmarked
-55°C to +125°C
Temperature Range
t
W
b
Style
NTC0805
L
2.0
W
0.8 ± 0.15
1.25
t
0.5 ± 0.1
0.5
a
0.3
0.4
b
0.3
0.4
NTC0603
1.6 ± 0.15
Typical Performance Graph
10,000,000
1,000,000
Resistance (Ohms)
100,000
10,000
1,000
100
10
25
1
-40
-20
0
20
40
60
80
100
120125
Temperature (°C)
Literature No. 1773258
Issued: 02-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
Negative Temperature
Coefficient Chip Thermistors
Type NTC Series
Resistance Value /
ß Constant
Resistance Value
@ 25°C
100
150
220
330
470
680
1K0
1K5
2K0
2K2
2K5
3K0
3K3
4K7
5K0
6K8
10K
15K
20K
22K
30K
33K
47K
50K
68K
100K
150K
ß Constant
NTC0603
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
3500
3500
3500
3700
3850
3950
3950
3950
3950
4100
3950
4100
4100
4100
NTC0805
2750
2750
2750
2750
2750
2750
2750
3000
3000
3000
3000
3450
3450
3450
3450
3850
4100
4100
4100
4100
4100
4100
4100
3950
4100
4100
4100
Derating
Percent Rated Power
100
80
60
40
20
0
40
60
80
100
120 125
Ambient Temperature (°C)
Power Rating and Maximum Operating Temperature
The power rating is specified at an ambient temperature of 25°C. Under these conditions, the temperature of the
thermistor element reaches its permitted maximum temperature of 125°C. The thermistor should be derated
linearly from 100% at +55°C to zero at 125°C as shown in the derating curve.
Mounting
The thermistors are suitable for automatic placement.
Marking
The components are supplied unmarked.
Packaging
Tape/reel - 5k pcs/reel.
Literature No. 1773258
Issued: 02-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
Negative Temperature
Coefficient Chip Thermistors
Type NTC Series
Change of Resistance with Temperature,
ß and Tolerance
Temp (°C)
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
R = 1K0 ± 5%, ß = 2750 ± 5%
R Min
R Nom
R Max
23,619
29,443
36,612
18,060
13,973
10,931
8,639
6,895
5,552
4,510
3,693
3,074
2,532
2,118
1,784
1,511
1,288
1,103
950
822
715
624
548
482
426
378
337
301
270
243
219
198
180
163
149
136
125
114
105
22,198
16,944
13,085
10,214
8,055
6,414
5,153
4,175
3,410
2,806
2,326
1,941
1,630
1,377
1,170
1,000
859
741
643
560
490
430
379
336
298
266
238
213
192
173
157
142
129
118
108
99
27,216
20,496
15,624
12,047
9,388
7,390
5,873
4,709
3,807
3,103
2,548
2,107
1,754
1,469
1,239
1,050
895
767
660
571
496
433
380
334
295
261
232
207
186
167
150
135
122
111
101
92
R = 100K ± 5%, ß = 4100 ± 5%
R Min
R Nom
R Max
11,437,698
15,492,485
20,932,275
7,666,457
5,229,571
3,626,293
2,553,502
1,824,208
1,320,987
968,858
719,179
539,923
409,704
314,048
243,038
189,795
149,493
118,711
95,000
76,585
62,174
50,811
41,789
34,578
28,776
24,081
20,258
17,128
14,551
12,420
10,647
9,167
7,924
6,877
5,990
5,237
4,594
4,044
3,571
10,167,934
6,797,677
4,623,690
3,196,281
2,243,342
1,597,136
1,152,437
842,136
622,766
465,752
352,049
268,796
207,195
161,161
126,434
100,000
79,707
64,002
51,752
42,128
34,512
28,445
23,582
19,658
16,475
13,877
11,746
9,988
8,532
7,319
6,304
5,452
4,733
4,123
3,605
3,162
13,451,901
8,813,894
5,880,679
3,990,860
2,751,881
1,926,187
1,367,374
983,650
716,523
528,143
393,661
296,539
225,625
173,305
134,321
105,000
82,749
65,719
52,579
42,363
34,360
28,048
23,035
19,029
15,807
13,201
11,081
9.347
7,921
6,743
5,765
4,950
4,266
3,691
3,206
2,794
How to Order
NTC
Common Part
NTC - Negative
Temperature Coefficient
Chip Thermistor
0603
Size
0603
J
Tolerance
2K0
Value
See table on
previous page
J - 5%
0805
Literature No. 1773258
Issued: 02-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
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