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UR73D1ETTER10F Datasheet(PDF) 2 Page - KOA Speer Electronics, Inc.

Part # UR73D1ETTER10F
Description  current sensing chip resistor
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Manufacturer  KOA [KOA Speer Electronics, Inc.]
Direct Link  http://www.koaspeer.com
Logo KOA - KOA Speer Electronics, Inc.

UR73D1ETTER10F Datasheet(HTML) 2 Page - KOA Speer Electronics, Inc.

  UR73D1ETTER10F Datasheet HTML 1Page - KOA Speer Electronics, Inc. UR73D1ETTER10F Datasheet HTML 2Page - KOA Speer Electronics, Inc.  
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37
KOA Speer Electronics, Inc. • 199 Bolivar Drive • 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.
1/08/09
UR73
current sensing chip resistor
Absolute
Maximum
Working
Voltage
F (±1%) E-24,
25m
Ω, 50mΩ
Resistance Range
Part
Designation
Maximum
Overload
Voltage
(5 sec. max.)
Operating
Temperature
Range
Power
Rating
T.C.R.
(ppm/°C)
Max.
applications and ratings
UR732A
UR732B
1/4W (.25W)
±100
47m - 100m
-55°C
to
+125°C
P*R x 2.5
P*R
Derating Curve
environmental applications
100
80
60
40
20
-60
-40
-20
0
406080100140
70
20
Ambient Temperature
(°C)
0
-55
120
125
Performance Characteristics
PMS 300 neg.
Black neg.
±250
±100
±200
1/4W (.25W)
1/2W (.5W)*
33m - 43m
47m - 100m
30m - 43m
UR73D1J
UR73D2A
1/5W (.2W)
±100
47m - 100m
±200
±250
±200
1/4W (.25W)
30m - 43m
10m - 30m
10m - 27m
UR73D2B
1/2W (.5W)
±300
10m - 27m
UR73D2H
±250
±100
3/4W (.75W)
10m - 30m
33m - 100m
UR73D3A
±250
±100
1W (1W)
10m - 30m
33m - 100m
Surface Temperature Rise
100
75
25
50
100
% Rated Power
2B (.25W) (2)
2B (.5W) (2)
0
0
25
75
2B (.5W) (1)
2A (2)
2B (.25W) (1)
2A (1)
50
100
75
25
50
100
% Power Rating
1J (2)
2B (2)
0
0
25
75
2B (1)
1J (1)
2A (2)
2A (1)
50
3A (2)
3A (1)
1E (1)
1E (2)
2H (1)
2H (2)
UR73 2A/2B 33m
UR73D 1J, 2A, 2B, 2H,3A 10m
UR73D 1E 24m
2
1
2
1
* Please contact factory for Power Rating
UR73D1E
1/8W (.125W)
±100
30m - 100m
±500
24m - 27m
Parameter
Requirement ∆ R
Limit
Typical
Test Method
Resistance
T.C.R.
25°C
+25°C/+55°C and +25°C/+125°C
Within specified
tolerance
Within specified
T.C.R.
Resistance to Solder Heat
260°C ± 5°C, 10 ± 1 second
±1%
±0.3%
Overload (Short time)
Rated power x 2.5 for 5 seconds
±2%
±0.5%
Rapid Change of Temperature
-55°C (30 minutes), +125°C (30 minutes), 100 cycles
±1%
±0.5%
Moisture Resistance
40°C ± 2°C, 90%~95%RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±2%
±1%
Endurance at 70°C
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±2%
±1%
High Temperature Exposure
+125°C, 1000 hours
±1%
±0.3%
1733 Reader's Spreads pg1-203:document
1/27/09
4:04 PM
Page 35


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