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230620403478

Description
RESISTOR, FUSIBLE, FILM, 0.33 W, 5 %, 200 ppm, 4.7 ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size768KB,10 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
Download Datasheet Parametric View All

230620403478 Overview

RESISTOR, FUSIBLE, FILM, 0.33 W, 5 %, 200 ppm, 4.7 ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

230620403478 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerVishay
package instruction,
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresFLAME PROOF
JESD-609 codee3
Manufacturer's serial numberNFR25
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package shapeTUBULAR PACKAGE
method of packingAMMO PACK
Rated power dissipation(P)0.33 W
Rated temperature70 °C
resistance4.7 Ω
Resistor typeFIXED RESISTOR - FUSIBLE
surface mountNO
technologyMETAL FILM
Temperature Coefficient200 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWIRE
Tolerance5%
Operating Voltage250 V
Base Number Matches1
NFR25, NFR25H
Vishay BCcomponents
Fusible, Non-Flammable Metal Film Leaded Resistors
FEATURES
• Technology: Metal film
• Overload protection without risk of fire
• Wide range of overload currents (refer Fusing
Characteristics graphs)
DESCRIPTION
A homogeneous film of metal alloy is deposited on a high
grade ceramic body. After a helical groove has been cut in
the resistive layer, tinned connecting wires of electrolytic
copper are welded to the end-caps. The resistors are coated
with a grey, flame retardant lacquer which provides
electrical, mechanical, and climatic protection. The
encapsulant is resistant to all cleaning solvents in
accordance with
IEC 60068-2-45.
• Lead (Pb)-free solder contacts
• Pure tin plating provides compatibility with lead (Pb)-free
and lead containing soldering processes
• Compatible to RoHS directive 2002/95/EC
APPLICATIONS
• Audio
• Video
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance Range
(1)
Resistance Tolerance
Resistance Series
Rated Dissipation,
P
70
Thermal Resistance (R
th
)
Temperature Coefficient
0.22
Ω ≤
R
4.7
Ω
ppm/K
4.7
Ω <
R
15
Ω
15
Ω <
R
15 kΩ
Operating Voltage,
U
max.
DC or RMS
Basic Specifications
Climatic Category (IEC 60068-1)
Max. Resistance Change for Resistance Range,
ΔR
max., after:
Load (1000 h,
P
70
):
Long Term Damp Heat Test (56 Days):
Soldering (260 °C, 10 s):
± (1 %
R
+ 0.05
Ω)
± (1 %
R
+ 0.05
Ω)
± (0.25 %
R
+ 0.05
Ω)
± (1 %
R
+ 0.05
Ω)
± (1 %
R
+ 0.05
Ω)
± (0.25 %
R
+ 0.05
Ω)
V
± 200
± 100
250
IEC 60 115-1
55/155/56
± 100
± 100
350
IEC 60 115-1
55/155/56
± 200
± 200
W
K/W
UNIT
Ω
%
NFR25
0.22 to 15k
±5
E24
0.33
240
NFR25H
0.22 to 15k
±5
E24
0.5
150
Notes
R
value is measured with probe distance of 24 mm ± 1 mm using 4-terminal method
(1)
Ohmic values (other than resistance range) are available on request
www.vishay.com
1
For technical questions, contact:
filmresistorsleaded@vishay.com
Document Number: 28737
Revision: 30-Mar-10
Power supply design, cost sensitive.
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