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
•
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)
•
Defined switch-off behaviour
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SKS2
SKS4
•
•
•
•
R
i
≥
6
Ω
for R
N
< 10R
R
i
≥
1
Ω
for R
N
≥
10R
Coating: red brown
Marking: 5th band yellow
SIZE
0207
0414
POWER RATING
P
70 °C
W
0.30
0.50
TOLERANCE
%
± 5, ± 10
± 5, ± 10
RESISTANCE RANGE
Ω
1R0 - 5K1
1R0 - 5K1
TECHNICAL SPECIFICATIONS
PARAMETER
Rated Dissipation at 70 °C
Overload to Fuse
Time to Fuse (max)
Max. Permissible Voltage
Voltage Coefficient
Current Noise
Thermal Resistance (max)
Thermal Time Constant
Category Temperature Range
Failure Rate
Weight
UNIT
W
W
s
V
1/V
µV/V
K/W
s
°C
10
-9
/h
g
0.2
< 10
-7
< 0.1
220
8
- 55 to + 125
< 30
0.7
SKS2
0.30
3.5
40
See Diagram
< 10
-7
< 0.1
130
20
SKS4
0.50
7.0
70
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200
For technical questions, contact: ff3dresistors@vishay.com
Document Number: 20138
Revision: 20-Dec-06
SKS
Carbon Film Resistors, Fusible Type
Vishay Draloric
DIMENSIONS
6 mm*
L
1
L
D
d
MODEL
D
SKS2
2.5
- 0.5
4.1
- 0.5
DIMENSIONS
[in millimeters]
L
6.0
- 0.5
12.0
- 1.5
L1
max
7.5
15.0
B
d
e
7.5
15
53 ± 1
1)
0.6
73 ± 1
0.8
e
B
•
•
•
1.
Taping in acc. with IEC60286-1
D and L measured in acc. with IEC60294
d according to IEC60301
Also available in 26 mm tape spacing
SKS4
PART NUMBER AND PRODUCT DESCRIPTION
PART NUMBER: SKS2207001000JD500
S
MODEL/SIZE
SKS2207
SKS4414
K
S
2
2
0
7
TCR
0
0
1
VALUE
0
0
0
J
D
5
0
0
SPECIAL
up
to 2 digits
00
= standard
SPECIAL CHARACTER
0
= neutral
TOLERANCE
J
=±5%
K
= ± 10 %
PACKAGING
D5
= R5 (G53)
DE
= RE
41
= A1 (G73)
22
= A2 (G53)
0
= neutral
See diagram
3 digit value
1 digit multiplier
MULTIPLIER
7
= *10
-3
8
= *10
-2
9
= *10
-1
0
= *10
0
1
= *10
1
PRODUCT DESCRIPTION: SKS2 100R 5
%
R5
SKS2
MODEL
SKS2
SKS4
100R
RESISTANCE
VALUE
1K0
= 1 kΩ
10R
= 10
Ω
5
%
TOLERANCE
±5
%
± 10
%
R5
PACKAGING
1)
R5 (G53)
RE
A1 (G73)
A2 (G53)
1)
Please refer to table PACKAGING, page 3.
Note:
The PART NUMBER shown above is to facilitate the unified part numbering system for ordering products.
Document Number: 20138
Revision: 20-Dec-06
For technical questions, contact: ff3dresistors@vishay.com
www.vishay.com
201
SKS
Vishay Draloric
120
Carbon Film Resistors, Fusible Type
%
RATED POWER
100
80
60
40
20
0
- 55
- 25
0
25
50
DERATING
75 100
125 150 175 200
70 AMBIENT TEMPERATURE IN °C
FUSING TIME (AT U = CONSTANT)
FUSING TIME t (s)
SKS2
FUSING TIME t (s)
100
70
50
30
20
10
7
5
3
2
1
0.7
0.5
0
1.8
100
70
50
30
20
10
7
5
3
2
1
0.7
0.5
SKS4
3.5
5
6.5
10
14
15
17
20
5
7
10
14
15
19
20
21
25
30
35
40
45
50
55
56
60
OPENING POWER
P
[W]
Calculated with rated resistance
OPENING POWER
P
[W]
Calculated with rated resistance
APPROXIMATE VALUES FOR Û MAX IN CASE OF FAILURE AND MAX PULSE VOLTAGE
VOLTAGE U [V]
1000
700
500
300
200
Secondary conditions:
Impulse load
a)
P
max.
see Pulse Load
diagrams
below
b)
ϑu
≤
40
°
C
SKS4
SKS2
100
70
50
30
20
10
1
10
100
10K
1K
RESISTANCE VALUES
Ω
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202
For technical questions, contact: ff3dresistors@vishay.com
Document Number: 20138
Revision: 20-Dec-06
SKS
Carbon Film Resistors, Fusible Type
Vishay Draloric
POWER RATING
P
[W]
50
Secondary conditions:
a)
P
≤
40 °C
b)
ϑu
≤
40
°
C
c) Ûmax see diagram
above
POWER RATING
P
[W]
100
100
50
Secondary conditions:
a)
P
≤
40 °C
b)
ϑ
u
≤
40
°C
c) Ûmax see diagram above
10
5
10
5
SKS4
SKS4
1
0.5
SKS2
1
0.5
SKS2
0.1
10
-4
10
-3
10
-2
10
-1
10
0
10
0.1
10
-4
10
-3
10
-2
10
-1
PULSE LOAD
P
≤
P40
POWER RATING
P
[W]
R
≥
10
Ω
RECTANGLE t
i
(s)
PULSE LOAD
P
≤
P40
POWER RATING P [W]
R < 10
Ω
10
0
10
RECTANGLE t
i
(s)
100
50
Secondary conditions:
a)
P
->
b)
ϑ
u
≤
40
°C
c) Ûmax see diagram
100
50
Secondary conditions:
a)
P
->
b)
ϑ
u
≤
40
°
C
c) Ûmax see diagram above
10
5
SKS4
10
5
SKS4
SKS2
1
0.5
1
0.5
SKS2
0.1
10
-4
10
-3
10
-2
10
-1
0.1
PULSE LOAD
P
0 R
≥
10
Ω
10
10
0
RECTANGLE t
i
(s)
10
-4
10
-3
10
-2
10
-1
PULSE LOAD
P
0 R < 10
Ω
10
10
0
RECTANGLE t
i
(s)
PACKAGING
REEL
MODEL
PIECES/REEL
SKS2
SKS4
5000
2500
CODE
R5
RE
PIECES/BOX
2000
1000
CODE
A2
A1
BOX
PERFORMANCE
TEST
Voltage Coefficient
Ohmic Value after Fusing
Temperature Coefficient
Non-Linearity
Damp Heat steady state
CONDITIONS
1/V
Ω
10
-6
/K
dB
56 days, 40 °C, (90 - 95)
%
humidity
RESULTS
< 10
-7
> 10 x R
N
R < 10
Ω:
+ 200; R
≥
10
Ω:
- 300.. - 500
SKS2, SKS4 = 100
≤
1
%
Document Number: 20138
Revision: 20-Dec-06
For technical questions, contact: ff3dresistors@vishay.com
www.vishay.com
203
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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