RF
Series, High Frequency Power Resistors
Thick film,Non-Inductive
D
IMENSIONS [mm]
35 ± 5
A
B
C
S
PECIFICATIONS
Resistance Tolerance :
1%,2%,5%,10%
Temperature Coefficient :
Std. 100ppm/ °C, referenced to 25°C, from
-15°C to +105°C, other TCR available upon
requests.
Overload :
5times rated power with applied voltage
not to exceed 1.5times Max. continuous
operating voltage for 5seconds,overload/
overvoltage
ΔR
0.50% typ.
Thermal Shock :
Mil-Std-202, Method- 107,Cond. C,
ΔR
0.50%
max.
Load Life :
1.000 hours at rated power
ΔR
0.5% at DC
AC.
ΔR
3.0% at repetivepulse energy
D
ERATING CURVE
Rated Power or Voltage%
00
80
60
40
0
0
5
75
5
75
5
75
Ambient-Temperature (˚C)
Moisture Resistance:
Mil-Std-202, Method 106,
ΔR
0.50% max.
Lead Material : RF07 ~RF5 ;
Tinned copper solderable wire
Insulation Resistance :
10,000Megohms Min.
Termination Cap of Material :
RF07~RF5 ; Tinned Cap & Wire
RF50~RF200; AL alloy Cap M6.
Encapsulation :
High frequency silicone conformal, Glass
A
PPLICATION GUIDE ; RF SERIES
• RF Termination
• RF Dummy Load
• Wave Form Load
• High Frequency
• Charging/Discharging
• AVR ,UPS
• Current dividing
• Elevators control
• Electrical Trains
• Experimentals
• High Frequency Circuits
• Inverters
• Power Braking
• Military
• Hoist Cranes
• Motor Dynamic Braking
• Industrial Vehicles
• Power Supply
• Medical Equipments
• Server Drivers
• Power Loaders
• Snubbers
• Telecomm Equipments
• Shunt
• Testing Equipments
• Inrrush Current Limiters
• Preloads
• Dummy Loads
• Rectifier
• Soft Start
• EMI Suppresions
cf.: The described specifications & dimensions subject to change without notice.
Willow Technologies Ltd.
Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom.
info@willow.co.uk
http://www.willow.co.uk
+ 44 (0) 1342 835234
+ 44 (0) 1342 834306
designed by jonaldo , France
WILLOW [ WILLOW TECHNOLOGIES LTD ]
