KOA CW3HCT52A10R0F Coat insulated miniature wirewound resistor Datasheet

1733 Reader's Spreads pg1-203:document
1/27/09
4:11 PM
Page 127
PMS 300 neg.
Black neg.
coat insulated miniature wirewound resistors
EU
features
•
•
•
•
•
•
•
Resistors meeting MIL-PRF-26 (U characteristics)
High precision resistors with T.C.R. less than ±50x10-6/K
Flame retardant coating (Equivalent to UL94 V-0)
Automatic insertion is applicable
Various types of formings are available
Excellent in pulse characteristic
Marking: Black body color
Precision: Alpha-numeric marking
• Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
L
Ceramic Core
t
d
D
Marking
Type
L
Dimensions inches (mm)
t (max.)
D
d (nom.)
CW1H
.374±.039
(9.5±1.0)
.138±.039
(3.5±1.0)
CW2H
.472±.039
(12.0±1.0)
CW3H
.591±.039
(15.0±1.0)
l
t
Resistive Electrode
Wire
Cap
Lead
Wire
.118
(3.0)
.157±.039
(4.0±1.0)
.031
(0.8)
l
1.18±.118
(30.0±3.0)
.236±.039
(6.0±1.0)
Insulation Coating
ordering information
New Part #
CW
Type
3
Power
Rating
1: 1W
2: 2W
3: 3W
H
Style
H: Stability
C
T521
Termination
Material
C: SnCu
Taping and
Forming
Axial: T52,
T521, T631
Radial: VTP, GT
L forming:
L12.5A, L15A,
L20A, L25A
A
Packaging
A: Ammo
R: Reel
10R0
F
Nominal
Resistance
3 significant figures
+ 1 multiplier
“R” indicates decimal
on values <100Ω
Tolerance
D: ±0.5%
F: ±1%
For further information
on packaging, please
refer to Appendix C.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
3/04/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
129
resistors
CWH
1733 Reader's Spreads pg1-203:document
1/27/09
4:11 PM
Page 128
CWH
resistors
coat insulated miniature wirewound resistors
applications and ratings
Part
Designation
T.C.R.
(ppm/°C)
Max.
Power
Rating
CW1PC
1W
CW2PC
2W
CW3PC
3W
±20: R≥10Ω
±50: R<10Ω
Resistance Range (Ω)
E-24, E-96
(D±0.5%)
E-24, E-96
(F±1%)
0.47 - 220
0.1 - 430
0.47 - 750
0.1 - 2k
0.47 - 1k
0.1 - 3k
Rated
Ambient
Temperature
Operating
Temperature
Range
+25°C
-55°C
to
+275°C
environmental applications
Derating Curve
% Rated Power
100
80
60
40
20
0
-40
0
40
25
160 200
155
Ambient Temperature
(°C)
80
120
Performance Characteristics
Parameter
240
280
275
Requirement ∆ R ±(% + 0.05Ω)
Limit
Typical
Test Method
Within specified tolerance
—
25°C
Within specified T.C.R.
—
+25°C/-55°C and +25°C/+125°C
Overload (Short Time)
±0.2
±0.15
Power rating x 5 for 5 seconds
Resistance to Solder Heat
±0.2
±0.15
350°C ± 10°C for 3.5 seconds or 260°C ± 5°C
for 10 seconds
Endurance @ 70°C
±0.5
±0.45
25°C, 2000 hours
1.5 hr ON, 0.5 hr OFF cycle
Low Temperature
±0.2
±0.15
-65°C, 24 hours
High Temperature
±0.5
±0.45
+275°C, 250 hours
Resistance
T.C.R.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
130
3/03/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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