Resistors for Ultra High Voltage, High Energy



Resistance Tolerance :

1%,2%,5%,10%

Temperature Coefficient :

Std. 100ppm/ °C, referenced to 25°C, from

-15°C to +105°C, other TCR on requests.

Overload :

5times rated power with applied voltage

not to exceed 1.5times Max. continuous

operating voltage for 5 seconds, overload/

overvoltage ΔR 0.50% max.

Thermal Shock :

Mil-Std-202, Method- 107,Cond. C,ΔR 0.50%

max.

Load Life :

1.000 hours at rated power ΔR 1.0% typ.

Moisture Resistance:

Mil-Std-202, Method 106, ΔR 0.50%.

Insulation Resistance :

10,000Megohms Min.

Termination Cap of Material :

Aluminum Alloy , Bronz

M4 / M6 Cap, &Rug available

Encapsulation :

Epoxy /silicone confomal/ Glass /

cf.: The described specifications & dimensions subject to change without notice.

· Automated Test (ATE)

· Medical (Imaging)

· Ion Source

· Chromatography (Gas)

· Medical (PET, CT)

· Medical (Radiation

Therapy)

· Military , Radar

· Plasmas ,Lasers

· Measurements (High

Voltage)

· Capacitor Charging

· Microwave (Klystron)

· Medical (Blood Analyzers)

· Corona Generators

· Multichannel Analyzers

· Ozone Generating

· Detectors Nuclear

· Gamma Cameras

· Electron Beam Testing

· Surface Analysis

· CRT, X-Ray , MRI

· Electrophoresis

· Image Intensifier

· Surface Analysis

· Piezo. Focusing (Poling)

· High Voltage Dividers

· Stress Testing

· Agricultural Sensors

· Ion Beam

· Arc Furnace Damping

· High Voltage Snubbers

· Pulse Forming Networks

· Energy Research

· EMI

· Tube Arc Protection

5

75

5

75

5

00

80

60

40

0

0

Ambient-Temperature (˚C)

Model Nr.

Single

Impulse

Voltage

1.2/50㎲

[kV]

Std. R-

Low Extended

Hi Extended

UT20

77

1K~1G

20R~0.9K

1.1G~10T

UT35

50

1K~1G

10R~0.9K

1.1G~10T

UT50

77

1K~1G

10R~0.9K

1.1G~10T

UT70

100

1K~1G

10R~0.9K

1.1G~10T

UT100

150

1K~1G

10R~0.9K

1.1G~10T

UT150

150

1K~1G

10R~0.9K

1.1G~10T

* Electrical Specification for 20kΩ ~

1000MΩ only

rev.11/2005A

Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom.

+ 44 (0) 1342 835234

+ 44 (0) 1342 834306

info@willow.co.uk

http://www.willow.co.uk