UMT(275)1.0 Clare, UMT(275)1.0 Datasheet

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UMT(275)1.0

Manufacturer Part Number
UMT(275)1.0
Description
HIGH-SPEED/ HIGH-CURRENT SURGE PROTECTORS
Manufacturer
Clare
Datasheet
CP Clare’s PMT(275) and UMT(275) Series surge protectors (350-500V and 550-2500V respectively) provide a
high level of protection from high-speed, high-current transient surges. These devices are constructed using a
proprietary semiconductor junction process which results in nanosecond response times combined with peak
current ratings in excess of 20kA.
Fast impulse breakdown ( 125% of typical DC
breakdown at 5kV/ s)
Tight DC breakdown voltage tolerance ( 10%)
Low capacitance
FEATURES
HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS
DESCRIPTION
DESCRIPTION
www.cpclare.com
Test equipment
Video displays
Medical electronics
Instrumentation circuits
Series
PMT(275)
UMT(275)
(See detailed specifications for more information.)
STANDARD VOLTAGES
APPLICATIONS
PMT/UMT (275) Series
DC Breakdown
Voltage (typ)
350
400
450
500
550
600
650
750
800
850
1.0
1.5
2.0
2.5
Unit
kV
kV
kV
kV
V
V
V
V
V
V
V
V
V
V
549

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UMT(275)1.0 Summary of contents

Page 1

... CP Clare’s PMT(275) and UMT(275) Series surge protectors (350-500V and 550-2500V respectively) provide a high level of protection from high-speed, high-current transient surges. These devices are constructed using a proprietary semiconductor junction process which results in nanosecond response times combined with peak current ratings in excess of 20kA. ...

Page 2

... Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance Life Ratings Surge Life 1kA (PW=20 s) PARAMETER CONDITIONS Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance Life Ratings Surge Life 1kA (PW=20 s) North America: 1-800-CPCLARE 550 SPECIFICATIONS PMT(275)350 SYMBOL MIN 100V/s V 315 BD 5kV 100V ...

Page 3

... Impulse Breakdown Insulation Resistance Capacitance Life Ratings Surge Life 1kA (PW=20 s) MECHANICAL DIMENSIONS DIMENSIONS mm (inches) 19.05 0.76 (0.750 0.030) 1.93 0.13 DIA. (0.076 0.005) 4.75 0.76 5.00 0.76 MAX. (0.187 0.030) (0.197 0.030) HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS SPECIFICATIONS UMT(275)1.0 SYMBOL MIN 100V/s V 0.9 BD 5kV 100V IR 10 1MHz 500 UMT(275)2 ...

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