NPR1TTE Datasheet, PDF (2/2 Pages) KOA Speer Electronics, Inc. – surface mount molded current sense resistor

NPR
surface mount molded current sense resistor
applications and ratings
Part
Designation
NPR1
NPR2
Power
Rating
T.C.R.
(ppm/°C)
Max.
Resistance Range
E-24
(F±1%)
(J±5%)
(K±10%)
1W
2W
±100: R≥0.1Ω
±200: R<0.1Ω
0.1Ω - 10MΩ
10mΩ - 22MΩ
3.9mΩ - 9.1mΩ
Absolute
Maximum
Working
Voltage
350V
500V
Absolute
Maximum
Overload
Voltage
700V
1000V
Rated
Operating
Ambient Temperature
Temperature Range
+70°C
-55°C
to
+180°C
environmental applications
Derating Curve
100
80
60
Surface Temperature Rise
150
NPR2 1
100
NPR1 1
NPR2 2
NPR1 2
1 Hot
Spot
2 Solder
Joint
40
50
20
0
-60 -40 -20 0
-55
20 40 60 80 100 120 140 160 180
70
Ambient Temperature
(°C)
0
0 25 50 75 100
% Rated Power
Performance Characteristics
Parameter
Requirement ∆ R
Limit
Typical
Resistance
Within regulated
tolerance
—
T.C.R.
Within specified
T.C.R.
—
Overload
±1.0%
±1.0%
Resistance to Solder Heat
±1.0%
±1.0%
Rapid Change of Temperature
±1.0%
±1.0%
Moisture Resistance
±2.0%
±1.5%
Endurance at 70°C
±2.0%
±0.5%
Low Temperature Operation
±0.5%
±0.25%
25°C
Test Method
+25°C/+125°C
Rated voltage x 2.5 for 5 seconds
260°C ± 5°C, 10 seconds ± 1 second
-40°C (30 minutes), +155°C (30 minutes), 5 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
-55°C, 1 hour
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/16/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: [phone] • www.koaspeer.com
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