C&H Technology RSSD User Manual
6121 Baker Road,
Suite 108
Minnetonka, MN 55345
www.chtechnology.com
Phone (952) 933-6190
Fax (952) 933-6223
1-800-274-4284
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Please contact the C&H Technology team for the following questions -
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www.chtechnology.com - SPECIALISTS IN POWER ELECTRONIC COMPONENTS AND ASSEMBLIES - www.chtechnology.com
RSSD
Vishay Sfernice
Adjustable Wirewound Vitreous Resistors
Low Ohmic Values (0.10 Ω available)
FEATURES
• High power rating: 16 W to 600 W at 25 °C
• Heavy overloads 10 Pn 15 s ≤ 1 %
• Low ohmic values 0.10 Ω available
• High long term stability drift < 1.5 % after 1000 h
• Excellent withstanding of thermal shock
• Mechanical strength
CS collars
RSSD medium and high power resistors are noted for their ability to withstand heavy transient and severe shock and vibration
conditions. They complement the ohmic range of Vishay styles RW, RWST and RA in the low value area, and can be tapped by
means of adjustable collars. Standard RSSD resistors have a single adjustable collar.
DIMENSIONS
WELDED STAINLESS STEEL 304 L COLLARS “AN” TYPE 1
Ty pe 1
Solded
¯ C
P
¯ Q
ZF
¯ B
A
F
R
D
SCREWED STAINLESS STEEL 304 L COLLARS “CS” TYPE 1
A
J
¯ B
26
G
H
15
L
SCREWED STAINLESS STEEL 304 L COLLARS “CS” TYPE 2
A
23
¯ B
G
H
58
15
L
Ty pe 2
Screwed
¯ C
E
¯ C
K
M
J
K
P
¯ C
M
• Fire proof
DIMENSIONS in millimeters
RSSD STYLE 8 × 34 10 × 50 13 × 70 16 × 94 20 × 117
Connection
A ± 2 34 50 70 94 117
Ø B max. 10 11.5 14.5 18 22
Ø C min. 4.1 5 6.7 9.2 12.6
D 27 ± 2 40 ± 2 56 ± 2 78 ± 2 98 ± 2
E 20 ± 05 22 ± 0.5 24 ± 0.5 26.5 ± 0.5 31 ± 0.7
F+ 0.5
+ 0
P 28 ± 1 31 ± 1 34 ± 1 38 ± 1 42 ± 1
Ø Q 3.2 4.2 4.2 4.2 4.2
R 16 ± 0.5 18 ± 0.5 20 ± 0.5 21 ± 0.5 24 ± 0.7
Z approx. 1 1.5 3.5 4 5
Average unit AN
weight in g
* CS connections on request
AN
type 1ANtype 1
5 6.35 6.35 6.35 6.35
10 22 38 55 80
AN
type 1
CS*
AN
type 1ANtype 1
DIMENSIONS in millimeters
RSSD STYLE 25 × 138 25 × 168 30 × 250 40 × 370 50 × 373
Connection
A ± 2 138 168 250 370 373
Ø B max. 27 27 32 43 53
Ø C min. 16.4 16.4 21.3 22.3 27.1
D 117 ± 2 147 ± 2 227 ± 2.5 332 ± 3 332 ± 3
E 33.5 ± 1 33.5 ± 1 36 ± 1 57 ± 1.5 63 ± 1.5
F + 0.5
+ 0
G- 4
- 0
H- 4
- 0
J 50 ± 1.5 50 ± 1.5 60 ± 1.5 69 max. 80 max.
K 27 ± 1 27 ± 1 30 ± 1 45 ± 1 51 ± 1.5
L ± 0.5 6.5 6.5 9 9 9
M ± 0.5 2424253030
P 51 ± 1.5 51 ± 1.5 55 ± 1.5 81.5 max. 92.5 max.
Ø Q 5.7 5.7 5.7 9.2 9.2
R 28.5 ± 1 28.5 ± 1 31 ± 1 45 ± 1.5 51 ± 1.5
Z approx. 6 6 5 10 11.5
Average unit
weight in g
AN
type 1ANtype 1ANtype 1ANtype 2ANtype 2
CS
type 1CStype 1CStype 1CStype 2CStype 2
9 9 13 18 18
199 229 317 432 432
169 199 287 405 405
AN 90 115 240 845 1270
CS 135 160 290 925 1350
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50020
70 Revision: 24-Jan-07
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