Manual
RB Series Adjustable
www.vishay.com
Vishay Milwaukee
Revision: 10-Jan-13
1
Document Number: 31809
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
Adjustable Ribwound Resistor
FEATURES
• Resistance wire is spotwelded to the terminal
bands and then “locked” onto the core with a
vitreous enamel or silicone coating
• Hardware can be supplied mounted, as loose
assemblies, or as individual parts. Enclosures
can also be produced.
• Available as fixed and adjustable resistors (for fixed
Ribwound Resistor see www.vishay.com/doc?31807
)
•Wirewound
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Notes
• Ratings are based on a temperature rise of 375 °C above an ambient of 40 °C.
• Operating temperature range - 55 °C to 415 °C.
(1)
RBEA0090 to RBEA0550 vitreous enamel coating is standard, silicone coating is available.
(2)
RBSA0750 to RBSA2000 silicone coating is standard.
(3)
Stock wattage, see Ribwound Stock Ribs (www.vishay.com/doc?31808)
(4)
Closer tolerances available upon request.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL HISTORICAL MODEL
POWER RATING
W
RESISTANCE RANGE
TOLERANCE
(4)
%
RBEA0090
(1)
9-64-RA 90 0.014 to 25.3 10
RBEA0100
(1)
12-56-RA 100 0.011 to 20.7 10
RBEA0110
(1)
12-64-RA 110 0.014 to 26.8 10
RBEA0120
(1)
12-72-RA 120 0.017 to 32.9 10
RBEA0135
(1)
12-80-RA 135 0.020 to 39 10
RBEA0150
(1)
18-64-RA 150 0.018 to 39 10
RBEA0160
(1)
12-96-RA 160 0.027 to 51.3 10
RBEA0175
(1)
18-72-RA 175 0.022 to 48.1 10
RBEA0180
(1)
12-104-RA 180 0.030 to 57.4 10
RBEA0220
(1)
18-96-RA 220 0.035 to 75 10
RBEA0225
(1)
18-98-RA 225 0.036 to 77.2 10
RBEA0240
(1)
18-104-RA 240 0.039 to 83.9 10
RBEA0300
(1)(3)
18-136-RA 300 0.055 to 120 10
RBEA0375
(1)
18-168-RA 375 0.072 to 156 10
RBEA0400
(1)
26-136-RA 400 0.062 to 149 10
RBEA0420
(1)
18-188-RA 420 0.082 to 178 10
RBEA0500
(1)(3)
26-168-RA 500 0.083 to 200 10
RBEA0550
(1)
26-188-RA 550 0.097 to 232 10
RBSA0750
(2)
40-192-RA 750 0.130 to 158 10
RBSA1000
(2)(3)
40-240-RA 1000 0.176 to 209 10
RBSA1500
(2)(3)
40-320-RA 1500 0.248 to 294 10
RBSA2000
(2)
52-320-RA 2000 0.300 to 380 10