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SM08503395

Description
NTC Thermistors 50Kohm B-3950K SMD 0805
CategoryCircuit protection   
File Size1MB,2 Pages
ManufacturerAmetherm
Websitehttp://www.ametherm.com/
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NTC Thermistors 50Kohm B-3950K SMD 0805

SM08503395 Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerAmetherm
Product CategoryNTC Thermistors
RoHSDetails
B Parameter3950 K
Resistance50 kOhms
Power Rating250 mW
Tolerance10 %
Termination StyleSMD/SMT
Operating Temperature Range- 40 C to + 125 C
Package / Case2012
Length2 mm
Width1.25 mm
Height0.55 mm
PackagingCut Tape
PackagingMouseReel
PackagingReel
TypeNTC
Maximum Operating Temperature+ 150 C
Minimum Operating Temperature- 50 C
Factory Pack Quantity500
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
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