SKS268R05%A5 [VISHAY]
RESISTOR, FUSIBLE, FILM, 0.3W, 5%, 500ppm, 68ohm, THROUGH HOLE MOUNT, AXIAL LEADED;
| 型号： | SKS268R05%A5 |
| 厂家： | 
VISHAY |
| 描述： | RESISTOR, FUSIBLE, FILM, 0.3W, 5%, 500ppm, 68ohm, THROUGH HOLE MOUNT, AXIAL LEADED |
| 文件： | 总4页 (文件大小：130K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SKS
Vishay Draloric
Carbon Film Resistors, Fusible Type
FEATURES
• Fusible resistor for constant voltage designed for over
load protection
• Special construction opens the resistor at a specified
overload
• Non inflammable coating
• Defined switch-off behaviour
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SIZE
POWER RATING
TOLERANCE
RESISTANCE
RANGE
Ω
P
70˚C
W
%
SKS2
SKS3
SKS4
SKS5
SKS8
0207
0309
0414
0617
0922
0.30
0.35
0.50
1.0
5, 10
5, 10
5, 10
5, 10
5, 10
1R0 - 5K1
1R0 - 5K1
1R0 - 5K1
1R0 - 5K1
1.3
1R0 - 5K1
•
Ri ≥ 6Ω for RN < 10R
Ri ≥ 1Ω for RN ≥ 10R
• Coating: red brown
• Marking: 5th band yellow
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
SKS2
0.30
3.5
SKS3
0.35
5.0
SKS4
SKS5
1.0
SKS8
1.3
Rated Dissipation at 70°C
Overload to Fuse
W
W
0.50
7.0
14.0
80
21.0
100
Time to Fuse (max)
Max. Permissible Voltage
Voltage Coefficient
Current Noise
sec.
V
40
40
70
See Diagram
< 10-7
< 0.1
1 / V
µV / V
K/W
sec.
°C
< 10-7
< 0.1
220
< 10-7
< 0.1
180
< 10-7
< 0.1
80
< 10-7
< 0.1
60
Thermal Resistance (max)
Thermal Time Constant
Category Temperature Range
Failure Rate
130
8
11
20
35
70
- 55 / +125
< 30
10-9/h
g
Weight
0.2
0.36
0.7
1.5
3.3
ORDERING INFORMATION
SKS2
100R
5%
A5
MODEL
RESISTANCE VALUE Ω
TOLERANCE
PACKAGING
For Technical Questions, contact ff1aresistors@vishay.com
Document Number 20138
Revision 31-May-01
www.vishay.com
108
SKS
Carbon Film Resistors, Fusible Type
Vishay Draloric
DIMENSIONS
MODEL
DIMENSIONS in millimeters
D
L
L1max
B
d
e
L1
L
D
d
SKS2
SKS3
SKS4
SKS5
SKS8
2.5 - 0.5 6.0 - 0.5
3.2 - 0.5 8.5 - 1.0
4.1 - 0.5 12.0 - 1.5
6.0 - 0.5 16.5 - 1.5
9.0 - 0.5 20.0 - 1.5
7.5
53 ± 11)
53 ± 1
73 ± 1
77 ± 1
77 ± 1
0.6
0.6
0.8
0.8
0.8
7.5
10
10.0
15.0
17.5
22.5
15
e
B
17.5
22.5
• Taping in acc. with IEC60286-1
• D and L measured in acc. with IEC60294
• d according to IEC60301
1)Also available in 26mm tape spacing
* 9mm for SKS5, SKS8
120
100
80
60
40
20
0
- 55 - 25
0
25
50
75 100
125 150 175 200
AMBIENT TEMPERATURE IN ˚C
70
DERATING
FUSING TIME (AT U = CONSTANT)
100
70
100
70
50
50
SKS4
SKS5
SKS8
SKS2 SKS3
30
20
30
20
10
10
7
5
7
5
3
2
3
2
1
1
0.7
0.5
0.7
0.5
7
1415
192021
25
30
35
40
45
50
55 56
60
0
1,8
3,5
5
6,5
10
14 15
17
20
5
10
OPENING POWER P [W]
Calculated with rated resistance
OPENING POWER P [W]
Calculated with rated resistance
For Technical Questions, contact ff1aresistors@vishay.com
www.vishay.com
109
Document Number 20138
Revision 31-May-01
SKS
Carbon Film Resistors, Fusible Type
Vishay Draloric
APPROXIMATE VALUES FOR Û MAX IN CASE OF FAILURE AND MAX PULSE VOLTAGE
1000
Secondary conditions:
700
500
Impulse load
a) max. see Pulse Load
diagrams below
b) ϑu ≤ 40°C
P
SKS8
SKS5
SKS4
SKS3
SKS2
300
200
100
70
50
30
20
10
1
10
100
1K
10K
RESISTANCE VALUES Ω
100
50
100
50
Secondary conditions:
a) P ≤ 40˚C
b) ϑu ≤ 40°C
Secondary conditions:
a) P ≤ 40˚C
b) ϑu ≤ 40°C
c) Ûmax see diagram
above
c) Ûmax see diagram above
10
5
10
5
SKS5 / 8
SKS5 / 8
SKS4
SKS4
SKS3
SKS3
SKS2
1
1
SKS2
0.5
0.5
0.1
0.1
10–4
10–3
10–2
10–1
100
10
10–4
10–3
10–2
10–1
100
10
RECTANGLE ti (s)
RECTANGLE ti (s)
PULSE LOAD P ≤ P40 R <10 Ω
PULSE LOAD P ≤ P40 R ≥ 10 Ω
100
Secondary conditions:
a) P 0 (single pulse)
b) ϑu ≤ 40°C
Secondary conditions:
a) P →0 (single pulse)
→
50
100
50
b) ϑu ≤ 40°C
c) Ûmax see diagram above
c) Ûmax see diagram
SKS5 / 8
SKS4
SKS5 / 8
10
5
10
5
SKS4
SKS3
SKS3
SKS2
1
1
SKS2
0.5
0.5
0.1
0.1
10–4
10–3
10–2
10–1
100
10
10–4
10–3
10–2
10–1
100
10
RECTANGLE ti (s)
RECTANGLE ti (s)
PULSE LOAD P 0 R <10 Ω
PULSE LOAD P 0 R ≥ 10 Ω
For Technical Questions, contact ff1aresistors@vishay.com
Document Number 20138
Revision 31-May-01
www.vishay.com
110
SKS
Carbon Film Resistors, Fusible Type
Vishay Draloric
PERFORMANCE
TEST
CONDITIONS
RESULTS
< 10-7
Voltage Coefficient
1 / V
Ohmic Value after Fusing
Temperature Coefficient
Non-Linearity
Ω
> 10 X RN
10-6/K
R < 10Ω: + 200; R ≥ 10Ω:- 300.. - 500
SKS1 = 90; SKS2 to 8 =100
≤ 1%
dB
Damp Heat steady state
56 days, 40°C, 90-95% humidity
For Technical Questions, contact ff1aresistors@vishay.com
www.vishay.com
111
Document Number 20138
Revision 31-May-01
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