KOA SPEER ELECTRONICS, INC.
SS-254 R5
AHA 6/01/06
Negative Tempco Thermistor
Type NT73
1. Features
I
I
I
I
CERTIFIED
CERTIFIED
Anti-leaching nickel barrier terminations
Twelve standard resistance values
Suitable for reflow and wave soldering
Marking: Black three-digit on pink body color
2. Dimensions
L
Table 1
c
c
Type
Solder
Plating
L
Dimensions - inches (mm)
W
c
d
.031±.004
(0.8±0.1)
.049±.004
(1.25±0.1)
.063±.008
(1.6±0.2)
.012±.004
(0.3±0.1)
.016±.008
(0.4±0.2)
.02±.008
(0.5±0.3)
.012±.004
(0.3±0.1)
.012
+.008
-.004
+0.2
(0.3
-0.1
)
.016
+.008
-.004
+0.2
(0.4
-0.1
)
t
.02±.004
(0.5±0.1)
.02
+.008
-.004
(0.5
+0.2
)
-0.1
.024±.004
(0.6±0.1)
W
.063±.008
1J
(0603)
(1.6±0.2)
.079±.008
2A
(0805)
(2.0±0.2)
.126±.008
2B
(1206)
(3.2±0.2)
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
Ceramic
Substrate
3. Type Designation
Type designation shall be as the following form.
NT73
Type
2A
Size
Code
1J: 0603
2A: 0805
2B: 1206
T
Termination
Material
T: Sn
(Other
termination
styles available,
contact factory
for options)
TD
Packaging
TD: 7" Paper
Tape (5,000
pieces/reel)
103
Nominal
Resistance
2 Significant
figures +
1 multiplier
K
Resistance
Tolerance
J: ±5%
K: ±10%
L: ±15%
3800
B Constant
Nominal
3200
3500
3700
3800
3950
4100
J
B Constant
Tolerance
H: ±3%
J: ±5%
K: ±10%
PAGE 1 OF 4
Bolivar Drive
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P.O. Box 547
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Bradford, PA 16701
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USA
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814-362-5536
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Fax 814-362-8883
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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.
KOA [ KOA SPEER ELECTRONICS, INC. ]
