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CR252-00.5T28R7

Description
Fixed Resistor, Wire Wound, 2W, 28.7ohm, 0.5% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size176KB,2 Pages
ManufacturerVitrohm Portuguesa LDA
Environmental Compliance  
Download Datasheet Parametric View All

CR252-00.5T28R7 Overview

Fixed Resistor, Wire Wound, 2W, 28.7ohm, 0.5% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

CR252-00.5T28R7 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1547397652
package instructionAXIAL LEADED, ROHS COMPLIANT
Reach Compliance Codecompliant
Country Of OriginPortugal
ECCN codeEAR99
YTEOL7.15
Other featuresPRECISION
Manufacturer's serial numberCR
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature350 °C
Minimum operating temperature-55 °C
Package shapeTUBULAR PACKAGE
method of packingTAPE
Rated power dissipation(P)2 W
Rated temperature40 °C
resistance28.7 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient20 ppm/°C
Terminal shapeWIRE
Tolerance0.5%
Series CR
Precision Power Wirewound Resistors
,
ceramic carrier, coated, axial
Specifications
CR
251-0
W
Resistance range
Tolerances
Temperature coefficient
%
10
-6
*
K
-
1
VITROHM
Type
Nominal Power rating P
40
P
70
CR
252-0
2,0
1,6
CR
253-0
2,5
2,0
CR
254-0
3,0
2,5
CR
255-0
3,3
3,0
See Page 2
CR
256-0
4,0
3,5
CR
257-0
5,0
4,3
CR
258-0
5,5
5,0
CR
259-0
7,2
6,5
1,1
1,0
Rmin. …Rmax.: ±5, ±2, ±1; R≥ 1R: ±0,5
See Page 2
Max. working voltage
Insulation voltage (1min.)
Insulation resistance
Derating linear
Climatic category
Temperature range
Thermal resistance
Failure Rate
(Total,
ϑ
0
V
RMS
V
RMS
ºC
max 75 V
not insulated
70…350 (0W)
55/200/56
ºC
KW
-1
10
-9
h
-1
125
100
85
65
-55 ~ 350
55
65
48
45
35
appr. 100 depends on value
± 3,0 average
± 1,0
,
max, 60% cont. lev.)
[∆R/R]
%
[∆R/R]
%
Endurance (P
70 ,
70°C, 1000h)
Damp heat, steady state
(40° 93% r.h., 56d)
C,
Climatic sequence
(IEX 115-1/23)
Terminal strength
Terminal Tensile Strength
Resistance to soldering heat
(260° 3,5s)
C,
Solderability
Marking
[∆R/R]
%
± 1,0
[∆R/R]
%
± 0,2
40
50
± 0,2 typ.
2,5 Flowtime; solderglobule test, IEC 60068-2-20-T
Printed in clear
N
[∆R/R]
%
s
Revision 200906
VITROHM PORTUGUESA, Lda. – Est. Nacional 249-4, Trajouce – 2765-653 S. Domingos de Rana – PORTUGAL
Tel:+ 351 214 457 700 - Fax:351 214 457 755 – Germany Sales Tel:+ 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com – www.vitrohm.com
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