RCMC
www.vishay.com
Vishay MCB
Power Resistors Cooled by Auxiliary Heatsink (Not Supplied)
Thick Film Metal Technology
FEATURES
Technology: thick film metal on ceramic
Cold system without external radiation
High power / volume ratio
Non-inductive
Easy assembly, self-calibrated pressure (400 N)
DESIGN SUPPORT TOOLS click logo to get started
Models
Available
STANDARD ELECTRICAL SPECIFICATIONS
E-SERIES
RESISTANCE RANGE MAX. RATED POWER P TOLERANCE TEMPERATURE COEFFICIENT
25 C
MODEL OHMIC
W % ppm/C
VALUES
RCMC 0.27 to 18 750 10 150 E 12
MECHANICAL SPECIFICATIONS
UL 94 flame classifications Material comply with the standard UL 94 V-0
Resistive element NiCr alloy
Substrate Alumina
Encapsulation Resin filled case
TECHNICAL SPECIFICATIONS
PARAMETER 500L 500 500HV
Nominal power rating at 70 C 500 W
Operating temperature range -55 C to +125 C
Maximum operating voltage 5000 V
Dielectric strength V (50 Hz / 1 min) 5000 V 7000 V 12 000 V
RMS
Creepage distance 42 mm 42 mm 75 mm
Clearance distance 12 mm 12 mm 30 mm
Capacitance: ground 120 pF
Capacitance: parallel 40 pF
Partial discharge On request
Inductance 40 nH
5
Insulation resistance 10 M at 500 V
CC
Weight (max.) 120 g
Revision: 16-Nov-17 Document Number: 32510
1
For technical questions, contact: mcbfixedresistors@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
RCMC
www.vishay.com
Vishay MCB
DIMENSIONS in millimeters
L/Standard
HV
2 x screw M4*
8
60 0.3
34 0.2
57 0.2 24
67
PERFORMANCE
TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES
Momentary overload 1000 W / 10 s 2 % 0.2 %
(1)
Humidity (steady state) 56 days, 40 C, 95 % HR 2 % or 0.05 0.2 %
CEI 61373 cat 1 class B half sinus
2
3
Mechanical shock 50 m/s / 30 ms insul. > 10 M 0.25 %
6 per axis (3 negative and 3 positive)
CEI 61373 cat 1 class B random
2 (1)
Vibration 5 Hz to 150 Hz 7.9 m/s 0.5 % or 0.05 0.25 %
5 h per axis
(1)
Terminals strength 200 Ncm / 200 N 0.5 % or 0.05 0.1 %
(1)
Endurance 2000 cycles P 30 min / 30 min 1 % or 0.05 0.2 %
n
Note
(1)
The higher of either value
ENERGY ABSORPTION
Repetitive operation: 25 J/t = 50 s
Accidental operation: 100 J/t = 50 s / 100 impulsions max.
Other t values: contact us
Revision: 16-Nov-17 Document Number: 32510
2
For technical questions, contact: mcbfixedresistors@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
15.5
60
15
36 0.2
6
25 0.5
24
40 0.5