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CW2PCTR103 Datasheet(PDF) 2 Page - KOA Speer Electronics, Inc.

Part # CW2PCTR103
Description  coat insulated, precision coat insulated miniature wirewound leaded resistors
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Manufacturer  KOA [KOA Speer Electronics, Inc.]
Direct Link  http://www.koaspeer.com
Logo KOA - KOA Speer Electronics, Inc.

CW2PCTR103 Datasheet(HTML) 2 Page - KOA Speer Electronics, Inc.

  CW2PCTR103 Datasheet HTML 1Page - KOA Speer Electronics, Inc. CW2PCTR103 Datasheet HTML 2Page - KOA Speer Electronics, Inc.  
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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.
12/01/08
CW, CWP
coat insulated, precision coat insulated
miniature wirewound leaded resistors
Part
Designation
Rated
Ambient
Temperature
Power
Rating
applications and ratings
T.C.R.
(ppm/°C)
Max.
CW1/4
CW1/2
CW1
CW1P
CW2
CW2P
CW3
CW3P
CW5
0.25W
0.5W
1.0W
2.0W
3.0W
1.0W
2.0W
3.0W
5.0W
±250
———
+25°C
+70°C
±90:
R
≥10Ω*
±50: R<10
Operating
Temperature
Range
-40°C
to
+155°C
1 - 100
1 - 390
1 - 390
0.47 - 220
0.47 - 390
0.47 - 390
0.1 - 430
0.1 - 390
0.47 - 15
0.1 - 100
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
E-24, E-96
(C±0.25%)
E-24, E-96
(D±0.5%)
E-24, E-96
(F±1%)
E-24
(G±2%)
E-24
(J±5%)
Resistance Range (
Ω)
Derating Curve
environmental applications
100
80
60
40
20
-40
0
4080120280
Ambient Temperature
(°C)
0
70
160
275
200240
155
CW
100
80
60
40
20
-40
0
4080120280
Ambient Temperature
(°C)
0
25
160
275
200240
155
CWP
Surface Temperature Rise
300
250
200
150
0255075
% Rated Power
0
100
50
CW1/4
100
CW1/2
CW1, CW1P
CW2, CW2P
CW3, CW3P
CW5
Resistance
T.C.R.
25°C
CW: Room temperature/100°C up
CWP: +25°C/-40°C and +25°C/+155°C
Within regulated tolerance
±250ppm/°C: CW
±90, 20ppm/°C: CWP, R
≥10
±50ppm/°C: CWP, R<10
Performance Characteristics
Parameter
Requirement
∆ R ±(% + 0.05Ω)
Limit
Typical
Test Method
Overload (Short Time)
CW,CWX,CW1S: Power rating x 10 for 5 seconds
CWP: Power rating x 6.25 for 5 seconds
CWP:R<10
Ω: Power rating x 5 for 5 seconds*
1: CW,CWX
0.5: CWP
2: CW1S
0.2: CWP(R<10
Ω)*
0.8: CW,CWX 0.4: CWP
1.8: CW1S
0.18:CWP(R<10
Ω)
Resistance to Solder Heat
350°C ± 10°C for 3.5 seconds or 260°C ± 5°C
for 10 seconds
1: CW, CW1S, CWX
0.5: CWP
0.2: CWP (R<10
Ω)*
0.8: CW, CW1S, CWX
0.4: CWP
0.18: CWP (R<10
Ω)
Moisture Resistance
Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
5: CW, CW1S, CWX
2: CWP
0.5: CWP (R<10
Ω)*
4: CW, CW1S, CWX
1.6: CWP
0.45: CWP (R<10
Ω)
Endurance @ 70°C
70°C, 1000 hours (CW, CWX, CW1S),
25°C, 1000 hours (CWP)
1.5 hr ON, 0.5 hr OFF cycle
5: CW, CW1S, CWX
2: CWP
0.5: CWP (R<10
Ω)*
4: CW, CW1S, CWX
1.6: CWP
0.45: CWP (R<10
Ω)
Resistance to Solvent
After immersing the sample in IPA for 3 min., the resistor
surface should be wiped with a dry cloth (velvet or gauze)
No evidence of damage to
protective coating and marking
* T.C.R. = 20ppm/°C available on request
0.47 - 15
0.1 - 100
E-24
(K±10%)
CW1X
CW2X
CW3X
CW1S
1.0W
2.0W
3.0W
1.0W
±500
———
0.01 - 0.091
0.01 - 0.091
0.01 - 0.091
0.1 - 100
0.01 - 0.091
0.01 - 0.091
0.01 - 0.091
0.1 - 100
±250
———
1733 Reader's Spreads pg1-203:document
1/27/09
4:11 PM
Page 126


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