RBEF, RBSF
www.vishay.com
Vishay Milwaukee
Wirewound Resistors, Industrial Power, Tubular,
Ribwound (RB), Fixed (RBEF, RBSF)
FEATURES
• High temperature silicone or vitreous enamel
coatings
• Excellent for pulsing applications
• All welded construction
• Designed to meet heavy-duty requirements where space
is at a premium
• Hardware mounting options and enclosures available
• Wirewound
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
RBEF0040
(1)
RBEF0050
(1)
RBEF0075
(1)
RBEF0090
(1)
RBEF0100
(1)
RBEF0110
(1)
RBEF0120
(1)
RBEF0135
(1)
RBEF0150
(1)
RBEF0160
(1)
RBEF0175
(1)
RBEF0180
(1)
RBEF0220
(1)
RBEF0225
(1)
RBEF0240
(1)
RBEF0300
(1)
RBEF0375
(1)
RBEF0400
(1)
RBEF0420
(1)
RBEF0500
(1)
RBEF0550
(1)
RBSF0750
RBSF0850
RBSF1000
RBSF1100
RBSF1500
RBSF1700
RBSF2000
HISTORICAL
MODEL
9-32-R
12-32-R
12-48-R
9-64-R
12-56-R
12-64-R
12-72-R
12-80-R
18-64-R
12-96-R
18-72-R
12-104-R
18-96-R
18-98-R
18-104-R
18-136-R
18-168-R
26-136-R
18-188-R
26-168-R
26-188-R
40-192-R
-
40-240-R
-
40-320-R
-
52-320-R
POWER RATING
W
40
50
75
90
100
110
120
135
150
160
175
180
220
225
240
300
375
400
420
500
550
750
850
1000
1100
1500
1700
2000
RESISTANCE RANGE
0.010 to 10.6
0.020 to 8.2
0.010 to 19.3
0.015 to 28.3
0.012 to 24.5
0.015 to 30.6
0.018 to 36.8
0.021 to 42.9
0.019 to 44.8
0.027 to 55.0
0.023 to 53.7
0.030 to 61.3
0.035 to 80.6
0.036 to 82.8
0.038 to 89.5
0.054 to 125
0.069 to 161
0.061 to 159
0.079 to 184
0.081 to 210
0.093 to 242
0.128 to 166
0.160 to 400
0.168 to 217
0.180 to 525
0.234 to 303
0.270 to 350
0.281 to 391
TOLERANCE
%
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
TERMINAL STYLE
STANDARD
D
F
F
D
F
F
F
F
F
F
F
F
F
F
F
F
F
G
F
G
G
G
F
G
G
G
G
G
OPTION
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
-
H
-
-
-
G, H
-
-
-
-
-
Note
(1)
Vitreous enamel coating is standard (RBEF type), silicone coating is optional (RBSF type).
Revision: 04-Mar-16
Document Number: 31807
1
For technical questions, contact:
vishaymilwaukeeresistor@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
RBEF, RBSF
www.vishay.com
Vishay Milwaukee
DIMENSIONS
in inches (millimeters)
A
D
B
C
• For Terminal Data and Mounting Hardware, see
www.vishay.com/doc?31811
• For Enclosures and Frames, see
www.vishay.com/doc?31810
CORE DIMENSIONS (REF.)
GLOBAL
MODEL
RBEF0040
RBEF0050
RBEF0075
RBEF0090
RBEF0100
RBEF0110
RBEF0120
RBEF0135
RBEF0150
RBEF0160
RBEF0175
RBEF0180
RBEF0220
RBEF0225
RBEF0240
RBEF0300
RBEF0375
RBEF0400
RBEF0420
RBEF0500
RBEF0550
RBSF0750
RBSF0850
RBSF1000
RBSF1100
RBSF1500
RBSF1700
RBSF2000
B
LENGTH
2 (50.8)
2 (50.8)
3 (76.2)
4 (101.6)
3.5 (88.9)
4 (101.6)
4.5 (114.3)
5 (127)
4 (101.6)
6 (152.4)
4.5 (114.3)
6.5 (165.1)
6 (152.4)
6.125 (155.575)
6.5 (165.1)
8.5 (215.9)
10.5 (266.7)
8.5 (215.9)
11.75 (298.45)
10.5 (266.7)
11.75 (298.45)
12 (304.8)
25 (635)
15 (381)
25 (635)
20 (508)
25 (635)
20 (508)
C
OUTER DIAMETER
0.5625 (14.2875)
0.75 (19.05)
0.75 (19.05)
0.5625 (14.2875)
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
1.125 (28.575)
0.75 (19.05)
1.125 (28.575)
0.75 (19.05)
1.125 (28.575)
1.125 (28.575)
1.125 (28.575)
1.125 (28.575)
1.125 (28.575)
1.625 (41.275)
1.125 (28.575)
1.625 (41.275)
1.625 (41.275)
2.5 (63.5)
1.125 (28.575)
2.5 (63.5)
1.625 (41.275)
2.5 (63.5)
2.5 (63.5)
3.25 (82.55)
D
INNER DIAMETER
0.3125 (7.9375)
0.5 (12.7)
0.5 (12.7)
0.3125 (7.9375)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.75 (19.05)
0.5 (12.7)
0.75 (19.05)
0.5 (12.7)
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
1.125 (28.575)
0.75 (19.05)
1.125 (28.575)
1.125 (28.575)
1.75 (44.45)
0.75 (19.05)
1.75 (44.45)
1.125 (28.58)
1.75 (44.45)
1.75 (44.45)
1.75 (44.45)
A
DISTANCE
BETWEEN
TERMINAL (REF.)
1.25 (31.75)
1.15 (29.21)
2.13 (53.975)
3.50 (88.9)
2.63 (66.675)
3.13 (79.375)
3.63 (92.075)
4.13 (104.775)
3.13 (79.375)
5.13 (130.175)
3.63 (92.075)
5.63 (142.875)
5.13 (130.175)
5.25 (133.35)
5.63 (142.875)
7.63 (193.675)
9.63 (244.475)
7.63 (193.675)
10.88 (276.225)
9.00 (228.6)
10.25 (260.35)
10.50 (266.7)
23.75 (603.25)
13.50 (342.9)
23 (584.2)
18.50 (169.9)
23 (584.2)
18.50 (169.9)
WEIGHT
(TYP.)
g
20
30
50
65
58
62
68
75
127
95
140
100
165
175
200
265
300
410
336
525
535
1200
715
1500
1140
1900
2450
3900
TERMINAL STYLE
in inches (millimeters)
A
C
Type D, F, G
B
D
A
C
Type H
D
B
DIMENSIONS
Width (A)
Height (B)
Diameter (C)
Thickness (D)
D (1/4" LUG)
0.25 (6.35)
0.5 (12.7)
0.17 (4.318)
0.02 (0.508)
F (3/8" LUG)
0.375 (9.525)
0.625 (15.875)
0.2 (5.08)
0.035 (0.889)
G (1/2" LUG)
0.5 (12.7)
0.9375 (23.8125)
0.26 (6.604)
0.046 (1.1684)
H (1/4" SQC)
0.25 (6.35)
0.625 (15.875)
0.065 (1.651)
0.032 (0.8128)
Revision: 04-Mar-16
Document Number: 31807
2
For technical questions, contact:
vishaymilwaukeeresistor@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
RBEF, RBSF
www.vishay.com
Vishay Milwaukee
METRIC OPTIONS AVAILABLE
Metric Hardware on Terminal Lugs
Use terminal designation “1” example: RBEF03001R000K1B00
Metric Mounting Hardware
Vertical mount: use special designation “VM” example: RBEF03001R000K1BVM
1 high bracket: use special designation “1A” example: RBEF03001R000K1B1M
2 high bracket: use special designation “2A” example: RBEF03001R000K1B2M
3 high bracket: use special designation “3A” example: RBEF03001R000K1B3M
4 high bracket: use special designation “4A” example: RBEF03001R000K1B4M
TECHNICAL SPECIFICATIONS
PARAMETER
Power rating
Resistance range
Resistance tolerance
TCR
Operating temperature
Temperature rise
Maximum altitude
Short-term overload (surge)
Surge windings
Maximum working voltage
Insulation resistance
Dielectric voltage
Creepage
Terminal sleeves
Inductance
Non-inductive winding
Terminal strength
Electrical or mechanical customization
UNIT
W
%
ppm/°C
°C
°C
f.a.s.l. (m.a.s.l.)
RESISTOR CHARACTERISTICS
40 to 200
0.01 to 391
10
± 400, ± 180, ± 130, ± 20 (varies by wattage and resistance)
-55 to +415
375 above an ambient of 40 °C
derate above 4921 f.a.s.l. (1500 m.a.s.l.)
10 x rated power for 5 s
available
(P x
R)
1/2
1M
up to 1500 (upon request)
minimum 0.125 (3.175), typical (varies by wattage)
n/a
0.1 to 340 (varies by wattage and resistance)
consult factory:
www.vishay.com/milwaukee/contact
10
available:
www.vishay.com/doc?31856
V
RMS
inch (mm)
μH
lb
DERATING CURVE
RATED POWER IN %
120
100
80
60
40
20
0
0
50
40
100
150
200
250
300
350
400
450
AMBIENT TEMPERATURE IN °C
MATERIAL SPECIFICATIONS
Element
Core
Coating
Standard terminals
Part marking
copper-nickel, nickel-chrome, iron-chrome-aluminum
cordierite, steatite
special high temperature silicone or vitreous enamel
nickel-iron
value, date code, MRC
Revision: 04-Mar-16
Document Number: 31807
3
For technical questions, contact:
vishaymilwaukeeresistor@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
RBEF, RBSF
www.vishay.com
Vishay Milwaukee
EXAMPLE: 300 W
OPTIONS
EXAMPLE
PHOTO
EXAMPLE: 300 W
Part number ends with “VT”
example:
RBEF0300xxxxxKGBVT
Part number ends with “CP”
example:
RBEF0300xxxxxKGBCP
Part model starts
with “RBEA”
example:
RBEA0300xxxxxKFB00
Consult factory for options:
vishaymilwaukeeresistor@vishay.com
OPTIONS
EXAMPLE
PHOTO
Standard
“00” option
Part number ends with “00”
example:
RBEF0300xxxxxKGB00
Part number ends with “1A”
example:
RBEF0300xxxxxKGB1A
Part number ends with “2A”
example:
RBEF0300xxxxxKGB2A
Part number ends with “3A”
example:
RBEF0300xxxxxKGB3A
Thru Bolt
“VT” option
1 High Bracket
“1A” option
Clips
“CP” option
2 High Bracket
“2A” option
Adjustable
3 High Bracket
“3A” option
Enclosures
4 High Bracket
“4A” option
Part number ends with “4A”
example:
RBEF0300xxxxxKGB4A
Electrical
customizations
(TCR,
inductance,
etc.)
Consult factory for options:
vishaymilwaukeeresistor@vishay.com
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: RBSF150015R00JGB1A (RBSF1500-1A 15 5 % 1/2L B)
R
B
S
F
1
5
0
0
1
5
R
0
0
J
G
B
1
A
GLOBAL MODEL
RBSF1500
(see “Standard
Electrical
Specifications”
table above for
additional P/N’s)
RESISTANCE
VALUE
R
= decimal
K
= thousand
R1500
= 0.15
1K500
= 1.5 k
TOLERANCE
J
= ± 5.0 %
K
= ± 10 %
TERMINAL
D
= 1/4" lug
F
= 3/8" lug
G
= 1/2" lug
H
= 1/4" single
quick-connect
PACKAGING
CODE
B
= bulk
SPECIAL
00
= standard
SW
= surge winding
CP
= push in clips (bulk)
CA
= push in clips (assembled)
VT
= vertical mount
1A
= 1 high bracket zinc plated steel
2A
= 2 high bracket zinc plated steel
3A
= 3 high bracket zinc plated steel
4A
= 4 high bracket zinc plated steel
Note
2A, 3A, and 4A assemblies:
include identical resistors only wiring to
be supplied by customer reference CS
series for further customization
Note
3A and 4A limitations:
brackets fit 40 W to 550 W RB resistors
Revision: 04-Mar-16
Document Number: 31807
4
For technical questions, contact:
vishaymilwaukeeresistor@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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 in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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