NFR25, NFR25H
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Vishay BCcomponents
Revison: 06-Sep-16
3
Document Number: 28737
For technical questions, contact: filmresistorsleaded@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
PRODUCTS WITH RADIAL LEADS (NFR25, NFR25H)
Note
• Please refer document number 28721 “Packaging” for more detail
MARKING
The nominal resistance and tolerance are marked on the
resistor using four colored bands in accordance with
IEC 60062, marking codes for resistors and capacitors.
For ease of recognition a fifth ring is added, which is violet
for type NFR25 and white for type NFR25H.
OUTLINES
The length of the body (L
1
) is measured by inserting the
leads into holes of two identical gauge plates and moving
these plates parallel to each other until the resistor body is
clamped without deformation (IEC 60294).
FUNCTIONAL PERFORMANCE,
PRODUCT CHARACTERIZATION
Standard values of nominal resistance are taken from the
E24 series for resistors with a tolerance of ± 5 %.
The values of the E24 series are in accordance with IEC
60063.
Note
(1)
The maximum voltage that may be continuously applied to the resistor element, see IEC 60115-1. The maximum permissible hot-spot
temperature is 155 °C.
DIMENSIONS (Radial taping)
SYMBOL PARAMETER VALUE TOLERANCE UNIT
P Pitch of components 12.7 ± 1.0 mm
P
0
Feed-hole pitch 12.7 ± 0.2 mm
P
1
Feed-hole center to lead at topside at the tape 3.85 ± 0.5 mm
P
2
Feed-hole center to body center 6.35 ± 1.0 mm
F Lead-to-lead distance 4.8 + 0.7 / - 0 mm
W Tape width 18.0 ± 0.5 mm
W
0
Minimum hold down tape width 5.5 - mm
H
1
Component height 29.0 Max. mm
H
0
Lead wire clinch height 16.5 ± 0.5 mm
H Height of component from tape center 19.5 ± 1 mm
D
0
Feed-hole diameter 4.0 ± 0.2 mm
L Maximum length of snipped lead 11.0 - mm
L
1
Minimum lead wire (tape portion) shortest lead 2.5 - mm
P
P
2
W
W
0
D
0
P
1
P
0
L
1
L
F
H
0
H
1
H
LIMITING VALUES
TYPE
LIMITING VOLTAGE U
(1)
(V)
LIMITING POWER P
70
(W)
NFR25 250 0.33
NFR25H 350 0.5
