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NT731J Datasheet, PDF (1/2 Pages) KOA Speer Electronics, Inc. – negative tempco thermistor
NT73
negative tempco thermistor
EU
features
• Anti-leaching nickel barrier terminations
• Twelve standard resistance values
• Suitable for reflow and wave soldering
• Marking: 1J no marking on pink body, 2A
and 2B black three digit on pink body color
• Products with lead-free terminations meet EU RoHS
requirements. Pb located in glass material, electrode
and resistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
dimensions and construction
L
c
c
W
t
Solder
Plating
Ni
Plating
d
Protective
Coating
Resistive Inner
Film
Electrode
Ceramic
Substrate
Type
Dimensions inches (mm)
(Inch Size Code)
L
W
c
d
t
1J
(0603)
.063±.008 .031±.004 .012±.004 .012±.004 .02±.004
(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
(3.2±0.2) (1.6±0.2)
.02±.008
(0.5±0.3)
.016
+.008
-.004
.024±.004
(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 may be
available, please
contact factory
for options)
applications and ratings
Packaging
TD: 7"
paper tape
(5,000
pieces/reel)
Nominal
Resistance
2 significant
figures + 1
multiplier
Resistance
Tolerance
J: ±5%
K: ±10%
L: ±15%
B Constant
Nominal
3200
3500
3700
3800
3950
4100
B Constant
Tolerance
H: ±3%
J: ±5%
K: ±10%
Part
Designation
NT731J
Resistance
@ 25°C
6.8kΩ
10kΩ
15kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
47kΩ
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%
Power
Rating
(mW)
5
Operating
Temperature
Range
-55°C
to
+125°C
For further information on packaging,
please refer to Appendix A.
154
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/31/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com