3RLAB® - Willow Technologies

RIMS
3RLAB®
, Thick Film Non-Inductive Power
Resistives on Steel Substrates
High Power, For Motor & Inverter Resistors
This new range of thick film on steel planar power resisitors offers high withstand capability,footprint and low
profile, to many demanding applications including dynamic braking and industrial welding.
DIMENSIONS[mm]
DERATING CURVE
SPECIFICATIONS
ITEMS
Type
L
W
t
D
a
b
RIMS-2K
60.96
40.64
0.9
5.3
4.75
13
RIMS-5K
122
70
0.9
5.3
13
24
RIMS-2K
Resistance range
RIMS-5K
2R to 2Megohm
Max ∆R at rated pulse load
(1mS of Pulse width, for 2sec on 8sec off as 1 cycle)
Max pulse power(min 50000 cycles)
(1mS of Pulse width, for 2sec on 8sec off as 1 cycle)
Stability(nominal load) after 50000 cycles
± 20%
5KW
3 6 0 °C
2500Vdc
Max single pulse power (1ms pulse non-repetive)
8 k J o u ls
1 6kJouls
100 W
300 W
Inductance(typical)
< 3 µH
<5µH
Torque of resistor & Heatsink
≤ 2.5 Nm with M4
screw
Thermal Resistance of Heatsink
Dielectric Strength
Required Thermal Grease / Compound
Required Flatness of Heatsink
Pulse Circuitry
Motor Drives
2KW
∆ R< ± 5 %
Max ‘hot spot’temperature on Resistive parts
Application Guide : RIMS
Inverters
Power Supplies,UPS
Power Conversions
Dynamic Braking
In-Rush Current Limitings
≤ 0.12 °C/w Typ.
1kV
≤ 0.08 °C/W
0.05mm
• Termination type Flying Leads. • Air forced coolant 15m/sec Velocity • HeatSink of thermal Resistance ≤ 0.05 ºC/W
*The specifications subject to change notice.
www.3RLab.com
3RLAB,INC.
Willow
Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, e-Mail:
RH7 6BL,
United Kingdom
[email protected]
#351-43
CHONWONRI,MADOMYUN,
+82-31-356-6379
Voice:
Tel . + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-Mail. [email protected] Web. www.willow.co.uk
HWASUNG-CITY,KYUNGGIDO,KOREA
 2003 Edition.
3RLAB,INC.
Fax : +82-31-356-9127