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Vishay Intertechnology Electronic Components Datasheet

SFR25 Datasheet

Standard Metal Film Resistors

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SFR16S/25/25H
Vishay BCcomponents
Standard Metal Film Resistors
www.DataSheet4U.com
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 leads of electrolytic
copper are welded to the end-caps.
The resistors are coated with a colored lacquer (light-blue for
type SFR16S; light-green for type SFR25 and red-brown for
type SFR25H) which provides electrical, mechanical and
climatic protection. The encapsulation is resistant to all
cleaning solvents, in accordance with “MIL-STD-202E,
method 215”, and “IEC 60068-2045”.
FEATURES
Low cost
Low noise
Small size (SFR16S)
Lead (Pb)-free solder contacts
Pure tin plating provides compatibility with lead (Pb)-free
and lead containing soldering processes
Compatible with “Restriction of the use of Hazardous
Substances” (RoHS) directive 2002/95/EC (issue 2004)
APPLICATIONS
General purpose resistors
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance range
Resistance tolerance
Temperature coefficient:
R < 4.7
4.7 Ω ≤ R 100 k
100 k< R 1 M
R > 1 M
Absolute maximum dissipation at Tamb = 70 °C
Thermal resistance, Rth
Maximum permissible voltage
Noise:
R < 68 k
68 kΩ ≤ R 100 k
100 kΩ ≤ R 1 M
R > 1 M
Basic specifications
Climatic category (IEC 60068)
Stability, R/R max., after:
load:
R range
climatic tests:
R 1 M
R > 1 M
Soldering
Short time overload
SFR16S
± 5 %; 1 to 3 M
VALUE
SFR25
SFR25H
± 5 %; 0.22 to 10 M
± 1 %;
4.99 to 3 M
± 1 %; 1 to 10 M
jumper (0 )
jumper (0 )
± 1 %, E24/E96 series; ± 5 %, E24 series
± 250 × 10-6/K
± 100 × 10-6/K
± 250 × 10-6/K
± 250 × 10-6/K
0.5 W
170 K/W
200 V
± 100 × 10-6/K
± 100 × 10-6/K
± 100 × 10-6/K
± 250 × 10-6/K
0.4 W
200 K/W
250 V
± 100 × 10-6/K
± 100 × 10-6/K
± 100 × 10-6/K
± 250 × 10-6/K
0.5 W
150 K/W
350 V
max. 0.1 µV/V
max. 0.5 µV/V
max. 1.5 µV/V
max. 1.5 µV/V
max. 0.1 µV/V
max. 0.1 µV/V
max. 0.1 µV/V
max. 1.5 µV/V
IEC 60115-1 and 60115-2
55/155/56
max. 0.1 µV/V
max. 0.1 µV/V
max. 0.1 µV/V
max. 1.5 µV/V
± 2 % + 0.05
± 1 % + 0.05
± 1 % + 0.05
± 0.25 % + 0.05
± 0.25 % + 0.05
± 2 % + 0.05
± 1 % + 0.05
± 1 % + 0.05
± 0.25 % + 0.05
± 0.25 % + 0.05
± 2 % + 0.05
± 1 % + 0.05
± 2 % + 0.1
± 0.25 % + 0.05
± 1 % + 0.05
www.vishay.com
32
For technical questions contact: ff3dresistors@vishay.com
Document Number: 28722
Revision: 08-Dec-05


Vishay Intertechnology Electronic Components Datasheet

SFR25 Datasheet

Standard Metal Film Resistors

No Preview Available !

Standard Metal Film Resistors
SFR16S/25/25Hwww.DataSheet4U.com
Vishay BCcomponents
12NC INFORMATION
The resistors have a 12-digit numeric code starting with 23.
The subsequent 6 or 7 digits indicate the resistor type and
packing.
The remaining digits indicate the resistance value:
– The first 3 digits for 1 % or 2 digits for 5 % indicate the
resistance value.
– The last digit indicates the resistance decade.
Last Digit of 12NC for ± 5 % Tolerance
RESISTANCE DECADE
0.10 to 0.91
1 to 9.1
10 to 91
100 to 910
1 to 9.1 k
10 to 91 k
100 to 910 k
1 to 9.1 M
10 M
LAST DIGIT
7
8
9
1
2
3
4
5
6
Last Digit of 12NC for ± 1 % Tolerance
RESISTANCE DECADE
1 to 9.76
10 to 97.6
100 to 976
1 to 9.76 k
10 to 97.6 k
100 to 976 k
1 to 9.76 M
10 M
LAST DIGIT
8
9
1
2
3
4
5
6
12NC Example
The 12NC of a SFR25 resistor, value 5600 ± 5 %, taped on
a bandolier of 5000 units in ammopack is: 2322 181 43562.
12NC - resistor type and packing
ORDERING CODE 23.. ... .....
TYPE
TOL.
BANDOLIER
IN AMMOPACK
RADIAL TAPED
STRAIGHT LEADS
SFR16S
±5%
±1%
4000 units
1000 units
..22 187 73...
5000 units
..22 187 53...
..06 187 3...
SFR25
jumper1)
±5%
±1%
..06 184 03...
..22 181 53...
..06 187 90013
..22 181 43...
..22 188 2...
SFR25H
jumper2)
±5%
±1%
..22 181 90018
..22 186 16...
..22 181 90019
..22 186 76...
..22 186 3....
1. The jumper has a maximum resistance Rmax = 30 mat 3 A (SFR16S).
2. The jumper has a maximum resistance Rmax = 10 mat 5 A (SFR25).
PART NUMBER
PART NUMBER: SFR2500001001FA500
S F R 2 5 0 0 0 0 1 0 0 1 FA
BANDOLIER
ON REEL
STRAIGHT LEADS
5000 units
..06 187 23...
..06 187 1....
..22 187 90346
..22 181 63...
..06 181 8....
..06 181 90011
..06 186 63...
..06 186 8....
500
MODEL/SIZE
SFR16S0
SFR2500
SFR25H0
SPECIAL CHARACTER
0 = neutral
Z = value overflow
(Special)
TC/MATERIAL
0 = standard
Z = jumper
PRODUCT DESCRIPTION: SFR25 1 % A5 1K0
SFR25
1%
VALUE
3 digit value
1 digit multiplier
Multiplier:
7 = *10-3 2 = *102
8 = *10-2 3 = *103
9 = *10-1
0 = *100
1 = *101
4 = *104
5 = *105
TOLERANCE
F=±1%
J=±5%
Z = jumper
PACKING1)
N4
A5
A1
R5
SPECIAL
The 2 digits
are used for
all special
parts.
00 = standard
A5 1K0
MODEL/SIZE
SFR16S
SFR25
SFR25H
1) Please refer to table PACKING.
TOLERANCE
±1%
±5%
PACKING1)
A1
A5
RESISTANCE VALUE
47K = 47 K
50R1 = 50.1
Note
Products can be ordered using either the 12NC or the PART NUMBER. The PART NUMBER is shown to facilitate the introduction of a unified
part numbering system. Currently, this PART NUMBER is applicable in the Americas only.
Document Number: 28722
Revision: 08-Dec-05
For technical questions contact: ff3dresistors@vishay.com
www.vishay.com
33


Part Number SFR25
Description Standard Metal Film Resistors
Maker Vishay Siliconix
Total Page 9 Pages
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SFR25 Datasheet PDF

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