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KOA Speer Electronics - Negative Tempco Thermister

Numéro de référence NT731JTTDxxxxxx
Description Negative Tempco Thermister
Fabricant KOA Speer Electronics 
Logo KOA Speer Electronics 





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NT731JTTDxxxxxx fiche technique
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NT73
negative tempco thermistor
features
Anti-leaching nickel barrier terminations
Twelve standard resistance values
Suitable for reflow and wave soldering
Marking: Black three-digit on pink body color
Products with lead-free terminations meet
RoHS requirements
dimensions and construction
L
cc
W
t
d
Protective
Coating
Resistive Inner
Film Electrode
Ceramic
Substrate
Solder
Plating
Ni
Plating
Type
Dimensions inches (mm)
(Inch Size Code)
L
W
c
d
t
1J .063±.008 .031±.004 .012±.004 .012±.004 .02±.004
(0603) (1.6±0.2) (0.8±0.1) (0.3±0.1) (0.3±0.1) (0.5±0.1)
2A
(0805)
.079±.008
.049±.004
.016±.008
.012
+.008
-.004
(2.0±0.2) (1.25±0.1) (0.4±0.2)
(0.3
+0.2
-0.1
)
.02
+.008
-.004
(0.5
+0.2
-0.1
)
2B
(1206)
.126±.008 .063±.008
.02±.008
.016
+.008
-.004
.024±.004
(3.2±0.2)
(1.6±0.2)
(0.5±0.3)
(0.4
+0.2
-0.1
)
(0.6±0.1)
ordering information
New Part #
NT73
2A
T
TD 103
K 3800 J
Type
Size
Code
1J: 0603
2A: 0805
2B: 1206
Termination
Material
T: Sn
(Other termination
styles available,
contact factory
for options)
Packaging
TD: 7"
paper tape
(5,000
pieces/reel)
Nominal
Resistance
2 significant
figures + 1
multiplier
Resistance
Tolerance
J: ±5%
K: ±10%
L: ±15%
applications and ratings
Part
Designation
NEW
NT731J
Resistance
@ 25°C
6.8k
10k
15k
10k
20k
22k
30k
33k
47k
68k
100k
47k
Resistance
Tolerance
J: ±5%
K: ±10%
B Constant
@ 25°C/75°C
3500K
3800K
3700K
3800K
4100K
B Constant
Tolerance
±10%
±5%
±3%
±5%
±3%
Thermal
Dissipation
Constant
(mW/°C)
2
B Constant
Nominal
3200
3500
3700
3800
3950
4100
B Constant
Tolerance
H: ±3%
J: ±5%
K: ±10%
Power
Rating
(mW)
Operating
Temperature
Range
-55°C
5 to
+125°C
For further information on packaging,
please refer to Appendix A.
148
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/05/06
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com

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