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PDF ( 数据手册 , 数据表 ) SFR2500

零件编号 SFR2500
描述 Standard Metal Film Resistors
制造商 Vishay Siliconix
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SFR2500 数据手册, 描述, 功能
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: [email protected]
Document Number: 28722
Revision: 08-Dec-05







SFR2500 pdf, 数据表
Standard Metal Film Resistors
SFR16S/25/25H
www.DataSheet4U.com
Vishay BCcomponents
TEST PROCEDURES AND REQUIREMENTS
IEC
60 115-1
CLAUSE
IEC
60 068-2
TEST
METHOD
4.25.1
TEST
endurance
4.8.4
temperature
coefficient
PROCEDURE
1000 hours at 70 °C;
Pn or Vmax
between - 55 °C and
+ 155 °C (TC × 10-6/K)
4.7 voltage proof on 400 V (RMS) (SFR16S) or
insulation
600 V (RMS) (SFR25 and
SFR25H); during 1 minute;
V-block method
RESISTANCE
RANGE
R < 4.7
R 100 k
R 1 M
R > 1 M
REQUIREMENTS
SFR16S
SFR25
SFR25H
R/R max.: ± 2 % + 0.05
± 250
± 100
± 250
± 250
± 100
± 100
± 100
± 250
no breakdown
± 100
± 100
± 100
± 250
4.12
4.6.1.1
noise
insulation
resistance
“IEC publication 60195”
500 V (DC) during 1 minute;
V-block method
R < 68 k
R 100 k
R 1 M
R > 1 M
max. 0.1 µV/V max. 0.1 µV/V max. 0.1 µV/V
max. 0.5 µV/V max. 0.1 µV/V max. 0.1 µV/V
max. 1.5 µV/V max. 0.1 µV/V max. 0.1 µV/V
max. 1.5 µV/V max. 1.5 µV/V max. 1.5 µV/V
Rins min.: 1000 M
4.13
short time
overload
room temperature;
P = 6.25 × Pn (SFR25) or
6.25 × 0.25 W (SFR16S);
5 s on, 45 s off (V 2 × Vmax);
10 cycles
R/R max.: ± 0.25 % + 0.05
R/R max.:
± 1 % + 0.05
see 2nd amendment
to “IEC 60115-1”,
Jan. ’87
intermittent
overload in
accordance with
“JIS-C5202 5.8”
pulse load
16 × 0.16 W; 1 s on and 25 s
off; 10000 ± 200 cycles;
Vmax = 600 V
R/R max.:
± 0.75
% + 0.05
see Pulse Loading Capabilities graphs
Document Number: 28722
Revision: 08-Dec-05
For technical questions contact: [email protected]
www.vishay.com
39














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