PMT(275)(2008) Ver la hoja de datos (PDF) - Clare Inc => IXYS
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PMT(275) Datasheet PDF : 5 Pages
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PMT/UMT(275) Series
Power Gaps
Features
• Fast impulse breakdown at 5kV/µs
• Tight DC breakdown voltage tolerance (±10%)
• Low capacitance
• Small size
• Hermetically sealed design provides maximum
integrity under extreme environmental conditions
Applications
• Test equipment
• Video displays
• Medical electronics
• Instrumentation circuits
Standard Voltages
Series
DC Breakdown
Voltage (Nom)
Unit
PMT(275)
350
V
400
V
450
V
500
V
UMT(275)
550
V
600
V
650
V
750
V
800
V
850
V
900
V
1.0
kV
1.5
kV
2.0
kV
2.5
kV
Devices in the PMT/UMT(275) Series with other breakdown voltages in the
350-2500V range are available upon request.
Description
High Energy Devices’ 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.
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, UMT(275)800 is an 800V UMT(275) series
device with no options, UMT(275)800E1 is an 800V
UMT(275) series device in an epoxy molded package
with left hand mounting and UMT(275)1.0E2 is a 1kV
UMT(275) series device in an epoxy molded package
with right hand mounting.
Product Series /
Part Number
PMT(275)XXXX
UMT(275)XXXX
UMT(275)X.XX
Breakdown Voltage
350-500V
550-900V
1.0-2.5kV
Options*
E1, E2
E1, E2
E1, E2
*Options:
Blank: No options - bare tube only
E1: Epoxy molded device with left hand mounting
E2: Epoxy molded device with right hand mounting
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