American Accurate Components, Inc.

HIGH POWER RESISTOR – Water Cooling, Non-Inductive

The content of this specification may change without notification 12/14/07

188 Technology Drive, Unit H, Irvine, CA 92618

TEL: 949-453-9888

FAX: 949-453-8889

1

Custom solutions are available.

HOW TO ORDER

RWC 50 - 102 K B

Packaging

B = bulk

Tolerance

K= +10%

Resistance (

Ω)

1R0 = 1.0

100 = 10

101 = 100

102 = 1.0K

Rated Power

50A = 500 W

50B = 500 W

100 = 1,000 W

200 = 2,000 W

Series

Water Cooled High Power Resistor

SPECIFICATIONS

Model

RWC50A

RWC50B

RWC-100

RWC-200

Rated Power

500 W

1,000 W

2,000 W

Max. Applied Power

Resistance Range

Ω

0.10 ~ 1.0K

0.22 ~ 1.0K

0.22 ~ 1.0K

0.22 ~ 1.0K

EIA Values

All

All

All

All

TCR (ppm/°C)

±250

±250

±250

±250

Tolerance

±10%

±10%

±10%

±10%

Inductance

(typical)

Series: 40nH/Dual resistor

0.1uF

Capacitance

(typical)

Parallel: 160pF/dual resistor

300pF

600pF

1200pF

Hose Mouth

Standard: nipple

-

-

-

Water Temperature

+41°C max at inlet, > dew point

41°C*

41°C*

41°C*

Volume of Water Flow

2 litters/minute minimum

6 litters/min

6 litters/min

6 litters/min

Minimum Water Temp.

-

Over due point

Over due point

Over due point

Water Pressure Loss

0.06Kg/cm

2

0.1kgf/cm

2

0.1kgf/cm

2

0.1kgf/cm

2

Max. Water Pressure

-

10Kg/cm

2

10Kg/cm

2

10Kg/cm

2

Water Temperature Rise

1.4°C

1.4°C**

3.0°C**

6.0°C**

Case Temperature Rise

14°C

14°C

14°C

14°C

Surface Temperature Rise

50°C

50°C

50°C

50°C

Max. Surface Temp. Rise

110°C

110°C

110°C

110°C

Continuous Impulse Load

Peak Power 37kW/10 microsec./10kHz

(ref. only)

-

-

-

Damaged Impulse Load

100kW/70 microsec.

-

-

-

Terminal Codes

Teflon Insulated Wire (0.18/30, outer diameter 2mm, blue), 200mm length

-

-

-

Dielectric Strength

AC 2000V, 60 sec. (between terminal and case)

-

-

-

Max Operating Voltage

1000V AC

-

-

-

Withstanding Voltage

-

2000V AC

2000V AC

2000V AC

Insulation Resistance

1,000Meg ohm min. (between terminal and case)

-

-

-

Load Life

±2% (rating 500W, 1000 hours)

-

-

-

Humidity

±2% (rating x 0.1, 1000 hours continuous load)

-

-

-

Weight

350g

3kg

5kg

10kg

*at inlet

** at outlet at rated power

FEATURES

Small size 500W, 1Kw, and 2Kw water-cooled non-inductive

resistor with very low resistor temperature while in operation

Flat plate resistance and twisted pair leads and special terminal

structure (patent) have shown excellent surge absorption

performance

Resistors are insulated from case by high purity alumina

substrate, and are guaranteed voltage-proof to 5kV

APPLICATIONS

Surge suppression resistors for power thyristors and IGBT,

Power supply for electric power conversion system and

industrial apparatus

High output AC motor controls