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WK250330R1%R5

Description
Fixed Resistor, Metal Oxide Film, 1W, 330ohm, 500V, 1% +/-Tol, -50,50ppm/Cel,
CategoryPassive components    The resistor   
File Size125KB,5 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
Download Datasheet Parametric View All

WK250330R1%R5 Overview

Fixed Resistor, Metal Oxide Film, 1W, 330ohm, 500V, 1% +/-Tol, -50,50ppm/Cel,

WK250330R1%R5 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid944015079
Reach Compliance Codeunknown
ECCN codeEAR99
YTEOL6.55
structureCylindrical
Lead diameter0.6 mm
Number of terminals2
Maximum operating temperature200 °C
Minimum operating temperature-55 °C
Package diameter2.5 mm
Package length6.5 mm
Package shapeCYLINDRICAL PACKAGE
Package formAxial
method of packingTR
Rated power dissipation(P)1 W
resistance330 Ω
Resistor typeFIXED RESISTOR
seriesWK
technologyMETAL OXIDE FILM
Temperature Coefficient50 ppm/°C
Tolerance1%
Operating Voltage500 V
WK/WR
Vishay Draloric
High Power Metal Oxide Leaded Resistors
FEATURES
Rugged metal oxide film
High power dissipation in small size (1 W/0207
size to 4 W/0922 size)
High temperature coating (up to 200 °C),
non-flammable
Lead (Pb)-free solder contacts
Pure tin plating provides compatibility with lead (Pb)-free
and lead containing soldering processes
Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SIZE
RATED DISSIPATION
P
70
W
1.0
1.0
1.0
2.0
LIMITING ELEMENT
VOLTAGE
U
max.
V≅
500
500
500
500
TEMPERATURE
COEFFICIENT
ppm/K
± 50
± 100
± 200
± 200
TOLERANCE
%
±1
±2
±5
±5
±2
±5
±2
±5
±2
±5
RESISTANCE
RANGE
4.7
Ω
to 1 MΩ
1
Ω
to 1 MΩ
0.22
Ω
to 1 MΩ
0.22
Ω
to 1 MΩ
1
Ω
to 1 MΩ
0.33
Ω
to 1 MΩ
1
Ω
to 100 kΩ
0.22
Ω
to 560 kΩ
1
Ω
to 68 kΩ
0.22
Ω
to 100 kΩ
E-SERIES
WK2
WK2
WK2
WR4
0207
0207
0207
0414
E24, E96
E24, E48
E24
E24
E24, E48
E24
E24, E48
E24
E24, E48
E24
WR5
0617
3.0
750
± 200
WK8
Notes
0922
4.0
750
± 200
• Coating: Green
• Marking: WK2 and WR4 have color code marking. WR4 has no TCR band. WR5 and WK8 are printed marked.
TECHNICAL SPECIFICATIONS
PARAMETER
Rated Dissipation,
P
70
Limiting Element Voltage,
U
max.(1)
Insulation Voltage,
U
ins
(1 Min)
Thermal Resistance,
R
th
Insulation Resistance
Category Temperature Range
(2)
Failure Rate
Weight
Notes
(1)
(2)
UNIT
W
V≅
V
K/W
Ω
°C
10
-8
/h
g
WK2
1.0
500
> 500
140
WR4
2.0
500
> 500
100
> 10
9
- 55 to + 200
<1
WR5
3.0
750
> 500
70
WK8
4.0
750
> 500
60
0.2
0.7
1.5
3.5
Rated Voltage
P
x
R
For values < 10R the upper limiting temperature is 155 °C. The power rating is correspondingly lower and can be calculated by
R
th
.
www.vishay.com
176
For technical questions, contact:
filmresistorsleaded@vishay.com
Document Number: 20128
Revision: 03-Feb-10
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