Surface Mount
Thermistors
ELE CTR IC AL SP ECIF ICATION S
TYPE
SM08
SM06
SM04
Resistance
Range
2-250 k
0.25-470 k
0.3-470 k
Resistance
Tolerance
1,2,3,5,10%
1,2,3,5,10%
1,2,3,5,10%
Beta
Range
3450-4500
2750-4500
2750-4500
Beta
Tolerance
3,2,1%
3,2,1%
3,2,1%
Operating
Temp.
-40°C – +125°C
-40°C – +125°C
-40°C – +125°C
Dissipation
Constant
2.00mW/°C
1.50mW/°C
1.10mW/°C
Thermal Time
Constant
2.5 sec.
2.0 sec.
1.5 sec.
Maximum
Power
250 mW
200 mW
125 mW
W
Nickel Barrier
Termination
Alumina
Substrate
Glass
Overcoat
T
M EC H AN ICAL SPE CIFICATIO N S
TYPE
SM08
SM06
SM04
L (mm)
2.00 ± 0.2
1.60 ± 0.15
1.00 ± 0.05
L1 (mm)
1.20 ± 0.2
1.0 ± 0.15
0.50 ± 0.05
W (mm)
1.25 ± 0.2
0.80 ± 0.15
0.50 ± 0.05
T (mm)
0.55 ± 0.10
0.50 ± 0.10
0.35 ± 0.05
L
1
L
AP P LI CAT IO NS
•
Temperature Compensation Circuits
•
Relay Coils
•
LCD Controls
•
Temperature Measurement
PART N UMBE RING SYS TE M
S
M
1
2
3
4
5
6
7
8
9
12
13
14
F EATU RE S
•
Nickel Barrier Termination
•
Suitable for wave or reflow solder
•
Packaging T/R STD QTY 100-5000
•
Moisture Sensitivity Level: 2
PRODUCT TYPE
SM
Ametherm
Surface Mount
TOLERANCE
(Blank)
±10%
J
±5%
H
±3%
G
±2%
F
±1%
ZERO POWER RESISTANCE
AT 25ºC
(R
25
)
103 10x10
2
=1000
253 25x10
3
=25000
474 47x10
4
=47000
503 50x10
3
=50000
BETA
275 2750 K
302 3000 K
345 3450 K
411 4110 K
452 4500 K
Custom
S O LD E RI NG WAV E
O R R E FL O W
TIME
10 sec.
TEMP
270°C
SIZE
08
06
04
L (mm)
2.00 ± 0.2
1.60 ± 0.15
1.00 ± 0.05
L1 (mm)
1.20 ± 0.2
1.0 ± 0.15
0.50 ± 0.05
W (mm)
1.25 ± 0.2
0.80 ± 0.15
0.50 ± 0.05
T (mm)
0.55 ± 0.10
0.50 ± 0.10
0.35 ± 0.05
(Outside the US and Canada)
T: 800-808-2434
775-884-2434
F: 775-884-0670
www.ametherm.com
info@ametherm.com
3111 N. Deer Run Road
Carson City, Nevada
89701 USA
Surface Mount
Thermistors
Part Number
R Beta
(K ) (ºK)
Dissipation
Constant
(mW/ºC)
Thermal
Time
Constant
Max
Power
ZER O PO W ER RE SI STA NCE C U RV E
Temp
(ºC)
SM04
SM04301275
SM04501275
SM04102302
SM04202302
SM04502345
SM04103372
SM04103395
SM04103411
SM04253411
SM04503411
SM04104411
SM04253452
SM04503452
SM04104452
SM04474452
0.3 2750 1.10 mW/ºC
0.5 2750 1.10 mW/ºC
1 3000 1.10 mW/ºC
2 3000 1.10 mW/ºC
5 3450 1.10 mW/ºC
10
10
10
25
3700 1.10 mW/ºC
3950 1.10 mW/ºC
4111 1.10 mW/ºC
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
1.5 sec 125 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.0 sec 200 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec 250 mW
2.5 sec
2.5 sec
2.5 sec
2.5 sec
250 mW
250 mW
250 mW
250 mW
10k
1k
1k
1k
10k
10k
10k
2750K 3000K 3200K 3450K 3700K 3900K 4100K
11290 14270 17200
9012 11130 13180
7248 8761 10200
5872 6953 7959
4791 5561 6265
3935
3253
2705
2262
1902
1608
1366
1166
1000
861.3
745
647
564.1
493.6
433.5
382.1
337.9
299.8
266.8
238.2
213.3
191.5
172.4
155.7
140.9
127.9
116.4
106.1
97
4481
3636
2971
2443
2020
1681
1406
1183
1000
849.5
725
621.5
535.1
462.6
401.5
349.9
306
268.6
236.5
209
185.3
164.8
147
131.5
118
106.2
95.82
86.68
78.61
217300 274600 331000 399100
162800 201100 238200 282000
123300 149000 173400 201800
94240 111600 127700 146200
72720 84410 95100 107100
4972 56620 64470 71530 79370
3976 44450 49690 54330 59400
3202 35170 38630 41640 44890
2597 28040 30280 32200 34240
2120
1742
1440
1197
1000
840.1
709.4
601.8
513
439.2
377.7
326.1
282.6
246
214.8
188.3
165.6
146.2
129.4
115
102.4
91.52
82.02
73.71
66.42
22520 23920 25100
18210 19040 19730
14820 15260 15620
12140 12310 12450
10000 10000 10000
8286 8172 8082
6903
5782
4867
4116
3498
2986
2560
2203
1904
1652
1439
1258
1103
971.3
857.7
759.8
675.3
601.9
538.1
6718
5554
4617
3858
3240
2734
2318
1974
1688
1450
1251
1083
940.9
820.6
718.3
630.9
555.9
491.5
435.9
6573
5378
4426
3663
3047
2548
2141
1808
1533
1306
1118
960.2
828.2
717.1
623.2
543.6
475.9
418
368.3
26340
20440
15990
12600
10000
7993
6432
5208
4243
3477
2866
2375
1978
1656
1392
1177
998.8
851.5
729
626.7
540.8
468.5
407.3
355.4
311.2
100k
4300K
100k
4500K
100k
4700K
-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
4812000 5802000 6995000
3339000 3954000 4682000
2349000 2734000 3182000
1674000 1916000 2193000
1207000 1360000 1532000
880600 977100 1084000
649400
483900
364000
276400
211800
163600
127400
100000
79050
62930
50400
40680
33020
26950
22130
18270
15160
12650
10600
8927
7552
6417
5476
4692
4037
3486
3022
2630
710000
521600
387100
290100
219400
167500
128900
100000
78180
61580
48840
39000
31350
25350
20620
16880
13880
11480
9548
7978
6698
5649
4785
4072
3479
2984
2570
2222
776300
562200
411600
304400
227400
171400
130400
100000
77320
60250
47300
37390
29760
23840
19220
15590
12720
10430
8601
7130
5940
4972
4182
3533
2998
2554
2186
1877
4111 1.10 mW/ºC
50 4111 1.10 mW/ºC
100 4111 1.10 mW/ºC
25 4500 1.10 mW/ºC
50 4500 1.10 mW/ºC
100 4500 1.10 mW/ºC
470 4500 1.10 mW/ºC
0.25 2750
0.5 3000
1 3450
2 3450
1.50 mW/ºC
1.50 mW/ºC
1.50 mW/ºC
S M06
SM06251275
SM06501302
SM06102345
SM06202345
SM06502345
SM06103345
SM06103372
SM06103395
SM06253395
SM06503395
SM06104411
SM06154411
SM06503452
SM06104452
SM06474452
1.50 mW/ºC
5 3450 1.50 mW/ºC
10 3450 1.50 mW/ºC
10 3700 1.50 mW/ºC
10 3950 1.50 mW/ºC
25 3950 1.50 mW/ºC
50 3950 1.50 mW/ºC
100 4111 1.50 mW/ºC
150 4110 1.50 mW/ºC
50 4500 1.50 mW/ºC
100 4500 1.50 mW/ºC
470 4500 1.50 mW/ºC
2
5
10
5
10
25
50
10
25
50
3450 2.00 mW/ºC
3450 2.00 mW/ºC
3450 2.00 mW/ºC
3950 2.00 mW/ºC
3950 2.00 mW/ºC
3950 2.00 mW/ºC
3950 2.00 mW/ºC
4111 2.00 mW/ºC
4111 2.00 mW/ºC
4111 2.00 mW/ºC
S M08
SM08202345
SM08502345
SM08103345
SM08502395
SM08103395
SM08253395
SM08503395
SM08103411
SM08253411
SM08503411
SM08104411
SM08503452
SM08104452
SM08154452
SM08254452
100 4111 2.00 mW/ºC
50 4500 2.00 mW/ºC
100 4500 2.00 mW/ºC
150 4500 2.00 mW/ºC
250 4500 2.00 mW/ºC