BSI
Vishay Sfernice
Molded and Insulated Wirewound Power
Resistors Axial Leads
FEATURES
•
1 W to 10 W
•
Excellent stability = typical drift ± 1 % after 2000 h
•
High power = up to 10 W (25 °C)
•
Low ohmic values = 0.01
Ω
available
•
Electrical insulation
•
Climatic protection
RoHS
COMPLIANT
DIMENSIONS
in millimeters
MOLDED
25 min.
DIMENSIONS
in millimeters
25 min.
A
PROTECTION
Style
Dim.
A
58 BSI
6.5 ± 0.2
2.4 ± 0.1
0.6
0.3
MOLDED
63 BSI
10 ± 0.2
3.7 ± 0.1
68 BSI
15 ± 0.5
5.6 ± 0.2
0.8
0.45
INSULATED
516 BSI 523 BSI 923 BSI 932 BSI 947 BSI
17 ± 2
5±1
24 ± 2
5±1
26 ± 2
9±1
0.8
1.6
2.5
6
7.5
10
34 ± 3
9±1
51 ± 3
9±1
1.3
ØC
ØB
ØB
INSULATED
25 min.
A
25 min.
Ø C ± 0.1
Weight in g
±
0.02
ØE
ØB
Ø 1.2
PROTECTION
Style
Dim.
45° chamfer
max. 0.25 deep
A
4
L max.
4
ØB
Ø C ± 0.1
Weight in g
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE MODEL AND STYLE
Power Rating at + 25 °C
Ohmic Range
Ohmic Range
in Relation to
Temperature
Coefficient
± 100 ppm/°C
± 300 ppm/°C
± 0.5 %
±5%
±1%
±5%
58 BSI
1W
0.1
Ω
2 kΩ
0.1
Ω
2 kΩ
-
50 V
63 BSI
2W
0.025
Ω
4 kΩ
0.1
Ω
4 kΩ
0.025
Ω
< 0.1
Ω
120 V
68 BSI
3W
0.01
Ω
15 kΩ
0.1
Ω
15 kΩ
0.01
Ω
< 0.1
Ω
200 V
516 BSI
4W
0.01
Ω
20 kΩ
0.1
Ω
20 kΩ
0.01
Ω
< 0.1
Ω
200 V
523 BSI
5W
0.015
Ω
40 kΩ
0.1
Ω
40 kΩ
0.015
Ω
< 0.1
Ω
250 V
923 BSI
6W
0.02
Ω
60 kΩ
0.1
Ω
60 kΩ
0.02
Ω
< 0.1
Ω
300 V
932 BSI
8W
0.035
Ω
100 kΩ
0.1
Ω
100 kΩ
0.035
Ω
< 0.1
Ω
500 V
947 BSI
10 W
0.06
Ω
150 kΩ
0.1
Ω
150 kΩ
0.06
Ω
< 0.1
Ω
750 V
Limiting Element Voltage
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For technical questions, contact: sfer@vishay.com
Document Number: 50011
Revision: 11-Jun-08
BSI
Molded and Insulated Wirewound Power
Resistors Axial Leads
PERFORMANCE
TESTS
Dielectric Strength
CONDITIONS
IEC60115-1
1000 V
RMS
for 923...947
500 V
RMS
for 58...523
IEC60115-1
5 Pn/5 s for Pr < 5 W
10 Pn/5 s for Pr
≥
5 W
IEC60115-1
90’/30’ Pr at 25 °C, 2000 h
250 h at 275 °C
Load at 100 % Pr followed
by cold temp. exposure
at - 55 °C
IEC60115-1
- 55 °C/+ 200 °C
5 cycles
IEC60115-1/IEC 60068-2-78
56 days, 40 °C, 93 % RH
MIL-STD-202
Method 106
MIL-STD-202
100 g Method 205 - Test C
MIL-STD-202
Method 204 - Test D: 20 g
10/2000 Hz
REQUIREMENTS
± (0.1 % + 0.05
Ω)
TYPICAL VALUES
AND DRIFTS
± (0.1 % + 0.05
Ω)
Vishay Sfernice
Short Time Overload
Endurance
Endurance at High Temperature
Thermal Shock
± (0.2 % + 0.05
Ω)
± (1 % + 0.05
Ω)
± (0.5 % + 0.05
Ω)
± (0.2 % + 0.05
Ω)
± (0.5 % + 0.05
Ω)
insulation resistance
≥
100 MΩ
± (0.5 % + 0.05
Ω)
insulation resistance
≥
100 MΩ
± (0.2 % + 0.05
Ω)
insulation resistance > 100 MΩ
± (0.1 % + 0.05
Ω)
± (0.1 % + 0.05
Ω)
± (0.1 % + 0.05
Ω)
± (1 % + 0.05
Ω)
± (0.3 % + 0.05
Ω)
± (0.1 % + 0.05
Ω)
± (0.3 % + 0.05
Ω)
insulation resistance > 10 GΩ
± (0.3 % + 0.05
Ω)
insulation resistance > 10 GΩ
± (13 % + 0.05
Ω)
insulation resistance > 10 GΩ
± (0.05 % + 0.05
Ω)
± (0.05 % + 0.05
Ω)
Climatic Sequence
Damp Heat, Steady State
Moisture Resistance
Shock
Vibration
MECHANICAL SPECIFICATIONS
Mechanical Protection
Resistive Element
Substrate
Connections
Molded or painted (insulated)
CuNi or CrNi
Alumina
Sn/Ag/Cu 99/0.3/0.7
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
Climatic Category
- 55 °C to + 275 °C
55/200/56
POWER RATING CHARTTEMPERATURE RISE
58
63
68
516 523
923
932
947
HOT SPOT TEMPERATURE IN °C
125
250
100
%
RATED POWER
200
75
150
50
37
25
100
50
0
0
50
100
150
200
250 275 300
350
0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
AMBIENT TEMPERATURE IN °C
RATED POWER IN W
MARKING
GEKA trademark, model, style, nominal resistance (in
Ω),
tolerance (in %), manufacturing date.
Because of lack of space, small styles are marked with ohmic value (in
Ω),
and tolerance (in %) only.
ORDERING INFORMATION
BSI
MODEL
63
STYLE
U22
OHMIC VALUE
2%
TOLERANCE
± 100 ppm/°C
TEMPERATURE
COEFFICIENT
TR300
PACKING
e1
LEAD (Pb)-FREE
Document Number: 50011
Revision: 11-Jun-08
For technical questions, contact: sfer@vishay.com
www.vishay.com
48
BSI
Vishay Sfernice
Molded and Insulated Wirewound Power
Resistors Axial Leads
GLOBAL PART NUMBER INFORMATION
B
S
I
0
6
3
2
R
8
7
0
F
R
2
2
GLOBAL
MODEL
BSI
SIZE
058
063
068
516
523
923
932
947
OHMIC VALUE
The firts digits are significant
figures and the last digit
specifies the number of
zeros to follow.
R designates decimal point.
2R870
= 2.87
Ω
1R200
= 1.2
Ω
10020
= 10 000
Ω
R3300
= 0.33
Ω
...
TOLERANCE
D
= 0.5 %
F
=1%
G
=2%
J
=5%
PACKAGING
Size 058, 063:
R22
= Reel
3000 pieces
R17
= Reel
1250 pieces
A22
= AM
1000 pieces ...
Size 516, 523,
923, 932:
A15
= AM
250 pieces
B19
= Bulk
30 pieces
Other packaging
existing
SPECIAL
As applicable
Ex =
AD7
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49
For technical questions, contact: sfer@vishay.com
Document Number: 50011
Revision: 11-Jun-08
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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