KOA SPEER ELECTRONICS, INC.
SS-254 R5
AHA 6/01/06
CERTIFIED
Negative Tempco Thermistor
CERTIFIED
Type NT73
1. Features
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Anti-leaching nickel barrier terminations
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Twelve standard resistance values
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Suitable for reflow and wave soldering
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Marking: Black three-digit on pink body color
2. Dimensions
Table 1
Dimensions - inches (mm)
L
c
c
Type
L
W
c
d
t
W
d
.063 .008
(1.6 0.2ꢀ
.031 .004
(0.8 0.1ꢀ
.012 .004
(0.3 0.1ꢀ
.012 .004
(0.3 0.1ꢀ
+.008
.02 .004
(0.5 0.1ꢀ
1J
Solder
Plating
(0603)
Ni
.012
.02 +.008
t
-.004
-.004
Plating
.079 .008
(2.0 0.2ꢀ
.049 .004
(1.25 0.1ꢀ
.016 .008
(0.4 0.2ꢀ
2A
(0805)
+0.2
+0.2
-0.1
(0.3
ꢀ
(0.5
ꢀ
-0.1
Protective
Coating
Resistive Inner
Film
Electrode
+.008
-.004
.016
.126 .008
(3.2 0.2ꢀ
.063 .008
(1.6 0.2ꢀ
.02 .008
(0.5 0.3ꢀ
.024 .004
(0.6 0.1ꢀ
2B
(1206)
Ceramic
Substrate
(0.4 +-00..12ꢀ
3. Type Designation
Type designation shall be as the following form.
NT73
2A
T
TD
103
K
3800
J
Termination
Material
Packaging
Resistance
Tolerance
B Constant
Nominal
B Constant
Tolerance
Nominal
Size
Type
Resistance
Code
1J: 0603
2A: 0805
2B: 1206
T: Sn
TD: 7" Paper
Tape (5,000
pieces/reelꢀ
2 Significant
figures +
1 multiplier
J: 5ꢁ
K: 10ꢁ
L: 15ꢁ
3200
3500
3700
3800
3950
4100
H: 3ꢁ
J: 5ꢁ
K: 10ꢁ
(Other
termination
styles available,
contact factory
for optionsꢀ
PAGE 1 OF 4
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Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.