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UBD1.0

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UBD/UBT/UGT Series

Uni-Imps®

Features

• Fast impulse breakdown (≤ 120% of typical DC

breakdown to 200kV/µs)

• Tight DC breakdown voltage tolerance (+10%)

• Non-radioactive

• Low capacitance

Applications

• Antenna feedlines

• Test equipment

• Video displays

• Medical electronics

• Instrumentation circuits

Description

High Energy Devices’ Uni-Imps high-speed transient

surge protectors (0.55-20kV) provide the ultimate

protection from high-energy, fast-rising transients such

as Nuclear EMP. These devices are constructed using

a proprietary semiconductor junction process that

results in nanosecond response times combined with

peak current ratings in the 5-10kA range. A unique

benefit of this technology is that the breakdown

voltage is virtually independent of the rise time of the

transient. In addition, the low capacitance of these

devices allows for direct placement on high-frequency

lines and antenna feeds without excessive loading.

Standard Voltages

Series

DC Breakdown

Voltage (Nom)

Unit

UBD

550

V

600

V

650

V

750

V

850

V

1.0

kV

1.2

kV

1.5

kV

2.0

kV

2.5

kV

3.0

kV

4.0

kV

UBT

4.0

kV

and

5.0

kV

UGT

6.0

kV

7.5

kV

10.0

kV

12.0

kV

15.0

kV

20.0

kV

Devices in the UBD/UBT/UGT Series with other breakdown voltages in the

.55-20kV range are available upon request.

Ordering Information

A complete part number is represented by the digits

below. Breakdown voltages are expressed in Volts for

devices <1000V and kV for devices ≥ 1kV. For

example, UBD550 is a 550V UBD series device,

UBT7.5 is a 7.5kV UBT series device and UGT10.0 is

a 10kV UGT series device.

Product Series /

Part Number

Breakdown Voltage

UBDXXX

550-950V

UBDX.X

1.0-4.0kV

UBTX.X

UBTXX.X

UGTX.X

UGTXX.X

4.0-9.0kV

10.0-20.0kV

4.0-9.0kV

10.0-20.0kV

All Uni-Imps are available with .360 O.D. endcaps. UBDs are available with

a threaded male termination (#8-20) on one end while UGTs are also

available with .250 O.D. endcaps.

www.highenergydevices.com

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