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CW3HCT521A1241F

Description
Fixed Resistor, Wire Wound, 3W, 1240ohm, 1% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size237KB,3 Pages
ManufacturerKOA
Environmental Compliance  
Download Datasheet Parametric View All

CW3HCT521A1241F Overview

Fixed Resistor, Wire Wound, 3W, 1240ohm, 1% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

CW3HCT521A1241F Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1788701308
package instructionAXIAL LEADED, ROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
YTEOL7
Other featuresFLAME PROOF, HIGH PRECISION
structureTubular
JESD-609 codee2
Lead diameter0.8 mm
Lead length30 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Minimum operating temperature-55 °C
Package diameter6 mm
Package length15 mm
Package shapeTUBULAR PACKAGE
Package formAxial
method of packingAmmo Pack
Rated power dissipation(P)3 W
Rated temperature25 °C
GuidelineMIL-PRF-26
resistance1240 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient20 ppm/°C
Terminal surfaceTin/Copper (Sn/Cu)
Terminal shapeWIRE
Tolerance1%
Operating Voltage60.9918 V
CW
,
CWP
,
CWH
coat-insulated, precision coat-insulated
and miniature wirewound leaded resistors
EU
features
Flameproof silicone coating
equivalent (UL94V0)
CWH resistors meet MIL-PRF-26 (U characteristics)
CWH high precision resistors with T.C.R. less than ±20x10
-6
/K
Suitable for automatic machine insertion
Various types of formings are available
Excellent in pulse characteristic
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
CW1SS has UL1412 approval (File No. E320246)
Surface mount style “N” forming is suitable for automatic
mounting CW, CWP
leaded
resistors
dimensions and construction
Type
t
D
L
Ceramic Core
l
t
d
CW1/4
CW1/2
CW1
CW1X
Marking
Resistive
Wire
End
Cap
Lead
Wire
CW1P
CW2
CW2X
CW2P
CW3
CW3X
CW3P
CW5
CW1S
CW1SS
CW1H
CW2H
CW3H
.945±.006
(24.0±1.5)
.256±.039
(6.5±1.0)
.354±.039
(9.0±1.0)
.472±.039
(12.0±1.0)
.591±.039
(15.0±1.0)
.591±.039
(15.0±1.0)
.472±.039
(12.0±1.0)
.354±.039
(9.0±1.0)
L
.13±.012
(3.3±0.3)
.256±.039
(6.5±1.0)
Dimensions
inches
(mm)
t (max.)
D
d (nom.)
.02
(0.5)
.039
(1.0)
.075±.012
(1.9±0.3)
.098±.039
(2.5±1.0)
.138±.039
(3.5±1.0)
.138
-0
(3.5
+1.5
)
-0
+.006
l*
.018
(0.45)
.024
(0.6)
Insulation Coating
.138±.039
(3.5±1.0)
.157±.039
(4.0±1.0)
.118
(3.0)
.157
+.006
-0
(4.0
+1.5
)
-0
.157±.039
(4.0±1.0)
.236±.039
(6.0±1.0)
.236
+.006
-0
(6.0
+1.5
)
-0
.236±.039
(6.0±1.0)
.354±.006
(9.0±1.5)
.039
(1.0)
.098±.039
(2.5±1.0)
.138±.039
(3.5±1.0)
.118
(3.0)
.157±.039
(4.0±1.0)
.236±.039
(6.0±1.0)
.031
(0.8)
1.18±.118
(30.0±3.0)
.024
(0.6)
1.50±.118
(38.0±3.0)
1.18±.118
(30.0±3.0)
.031
(0.8)
1.18±.118
(30.0±3.0)
* Lead length changes depending on taping and forming type.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
10/28/21
178
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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