RCEC ISO : THICK FILM RESISTOR0 pages
RCEC ISO
POWER RESISTORS
COOLED BY AUXILIARY
HEATSINK (not supplied)
• Technology : thick film
• Cold system without external radiation
• High power/volume ratio
• Non-inductive
• Screw-onor fast-on outputs
GENERAL CHARACTERISTICS
Dielectric base :
alumina
Resistant circuit :
cermet
Encapsulation :
resin filled case
Ohmic values :
E12
Isulation :
105 MΩ at 500 Vcc
Temperature coefficient of resistance :
± 250 ppm/°C
Temperature range :
-40°C to +125°C
Materials comply with the standard UL 94-V0
NOMINAL POWER at 115°C :
25 W
MAXIMUM POWER at 100°C :
50 W
MAXIMUM POWER at 60°C :
100 W
Min. ohm value :
0,33Ω
Max ohm value :
1 MΩ
Standard tolerance :
± 10% / ± 5% on request
ADDITIONAL CHARACTERISTICS
Max.operating voltage between terminals :
Withstand voltage (Vrms 50 Hz 1 mn) :
Partial discharge :
Creep distance :
Clearance distance :
Capacitance / ground :
Capacitance / parallel :
Self inductance :
Weight :
1500 V
2500 V
on request
10 mm
5,5 mm
36 pF
12 pf
≤ 50 nH
20 g max