SFR16S, SFR25, SFR25H
www.vishay.com
Vishay BCcomponents
Standard Metal Film Leaded Resistors
FEATURES
• Small size (SFR16S: 0204, SFR25 / SFR25H: 0207)
• Low noise (max. 1.5 μV/V for
R
> 1 M)
• Compatible to both lead (Pb)-free and lead
containing soldering processes
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• General purpose resistors
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 IEC 60068-2-45.
TECHNICAL SPECIFICATIONS
DESCRIPTION
DIN size
Resistance range
Resistance tolerance
Temperature coefficient
Rated dissipation,
P
70
Thermal resistance
Operating voltage,
U
max.
AC/DC
Operating temperature range
Permissible film temperature
Max. resistance change at rated dissipation
|R/R max.|, after 1000 h
0.5 W
170 K/W
200 V
SFR16S
0204
1
to
3 M; jumper (0
SFR25
0207
0.22
to
10 M; jumper (0
± 5 %; ± 1 %
± 250 ppm/K; ± 100 ppm/K
0.4 W
200 K/W
250 V
-55 °C to 155 °C
155 °C
± (2 %
R
+ 0.05
)
0.5 W
150 K/W
350 V
SFR25H
0207
0.22
to
10 M
Note
•
R
value is measured with probe distance of 24 mm ± 1 mm using 4-terminal method.
Revision: 12-Aug-16
Document Number: 28722
1
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
SFR16S, SFR25, SFR25H
www.vishay.com
Vishay BCcomponents
TEMPERATURE COEFFICIENT AND RESISTANCE RANGE
TYPE
TOLERANCE
TCR
± 250 ppm/K
±5%
SFR16S
± 100 ppm/K
±1%
± 250 ppm/K
Jumper (0
-
± 250 ppm/K
±5%
± 100 ppm/K
± 250 ppm/K
SFR25, SFR25H
±1%
± 250 ppm/K
± 100 ppm/K
± 250 ppm/K
Jumper (0
)
(1)
Note
(1)
Jumper is only available for SFR25.
-
> 100 k to 976 k
30 m;
I
max.
= 3 A
0.22 to 4.7
> 4.7 to 1 M
> 1 M to 10 M
1
to 4.7
> 4.7 to 1 M
> 1 M to 10 M
30 m;
I
max.
= 5 A
-
E24; E96
E24
-
± 100 ppm/K
± 250 ppm/K
RESISTANCE
1 to
4.7
4.7 to 100 k
> 100 k to 3 M
5.6
to 100 k
E24; E96
E24
E-SERIES
PART NUMBER AND PRODUCT DESCRIPTION
PART NUMBER: SFR2500001001FA500
S
TYPE
SFR16S0
SFR2500
SFR25H0
F
R
2
5
0
0
0
0
1
0
0
1
F
A
5
0
0
SPECIAL
The 2 digits
are used for
all special
parts.
00
= standard
VARIANT
0
= neutral
Z
= value overflow
(special)
TCR/MATERIAL
0
= standard
Z
= jumper
RESISTANCE
3 digit value
1 digit multiplier
MULTIPLIER
7
= *10
-3
8
= *10
-2
9
= *10
-1
0
= *10
0
1
= *10
1
2
= *10
2
3
= *10
3
4
= *10
4
5
= *10
5
Z
= 0000
TOLERANCE
F
=±1%
J
=±5%
Z
= jumper
PACKAGING
N4
A5
A1
R5
PRODUCT DESCRIPTION: SFR25 1 % A5 1K0
SFR25
TYPE
SFR16S
SFR25
SFR25H
1%
TOLERANCE
±1%
±5%
A5
PACKAGING
(1)
N4
A5
A1
R5
1K0
RESISTANCE VALUE
47K
= 47 k
51R1
= 51.1
Notes
• The products can be ordered using either the PRODUCT DESCRIPTION or the PART NUMBER.
(1)
N4 packaging indicates SFR25 and SFR25H radial version.
Revision: 12-Aug-16
Document Number: 28722
2
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
SFR16S, SFR25, SFR25H
www.vishay.com
Vishay BCcomponents
QUANTITY
5000
5000
1000
5000
5000
1000
4000
PACKAGING STYLE
Taped acc. to IEC 60286-1
fan-folded in a box
Taped acc. to IEC 60286-1
on a reel
Taped acc. to IEC 60286-1
fan-folded in a box
Taped acc. to IEC 60286-1
fan-folded in a box
Taped acc. to IEC 60286-1
on a reel
Taped acc. to IEC 60286-1
fan-folded in a box
Taped acc. to IEC 60286-2
fan-folded in a box
-
12.7 mm
52 mm
5 mm
52 mm
5 mm
WIDTH
PITCH
DIMENSIONS
75 mm x 73 mm x 270 mm
92 mm x 278 mm x 278 mm
75 mm x 28 mm x 262 mm
75 mm x 98 mm x 270 mm
93 mm x 300 mm x 298 mm
75 mm x 28 mm x 262 mm
45 mm x 262 mm x 330 mm
PACKAGING
TYPE
CODE
A5
SFR16S
R5
A1
(1)
A5
R5
SFR25, SFR25H
A1
(1)
N4
(2)
Notes
(1)
A1 packaging only available for resistors with ± 5 % tolerance.
(2)
N4 packaging only available for SFR25 and SFR25H radial version.
MARKING
The nominal resistance and tolerance are marked on the resistor using four or five colored bands in accordance with IEC 60062,
marking codes for resistors and capacitors.
Revision: 12-Aug-16
Document Number: 28722
3
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
SFR16S, SFR25, SFR25H
www.vishay.com
FUNCTIONAL PERFORMANCE
Power in %
100
80
60
40
20
0
Vishay BCcomponents
-55
0
50
70
100
125
155
180
Ambient Temperature in °C
Derating
Maximum dissipation (P
max.
) in percentage of rated power as a function of the ambient temperature (T
amb
)
90
Δ
T
(K)
70
100
Δ
T
(K)
80
SFR25
60
50
SFR25H
40
30
20
10
0
0.2
0.4
P
(W)
0.6
0
0.1
0.2
0.3
0.4
P
(W)
0.5
SFR16S Hot-spot temperature rise (T) as a function
of dissipated power
Note
• The maximum permissible hot-spot temperature is 155 °C.
SFR25/SFR25H Hot-spot temperature rise (T) as a function
of dissipated power
Revision: 12-Aug-16
Document Number: 28722
4
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
SFR16S, SFR25, SFR25H
www.vishay.com
Vishay BCcomponents
10
3
P
max.
(W)
10
2
t
p
/
t
i
= 1000
500
200
100
50
20
10
10
5
1
2
10
-1
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
t
i (s)
1
SFR16S Pulse on a regular basis; maximum permissible peak pulse power (
P
max.
) as a function of pulse duration (t
i
)
600
U
max.
(V)
500
400
300
200
100
0
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
t
i
(s)
1
SFR16S Pulse on a regular basis; maximum permissible peak pulse voltage (
U
max.
) as a function of pulse duration (t
i
)
10
3
P
max.
(W)
10
2
t
p
/
t
i
= 1000
500
200
100
50
20
10
10
5
1
2
10
-1
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
t
i
(s)
1
SFR25 Pulse on a regular basis; maximum permissible peak pulse power (
P
max.
) as a function of pulse duration (t
i
)
Revision: 12-Aug-16
Document Number: 28722
5
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
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