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UMT(275)800 [CLARE]

HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS; 高速，大电流浪涌保护器
UMT(275)800
型号： UMT(275)800
厂家： CLARE    CLARE
描述：

HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS
高速，大电流浪涌保护器
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HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS  
PMT/UMT (275) Series  
DESCRIPTION  
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.  
APPLICATIONS  
FEATURES  
■
■
■
■
Test equipment  
Video displays  
Medical electronics  
Instrumentation circuits  
■
Fast impulse breakdown (≤125% of typical DC  
breakdown at 5kV/µs)  
Tight DC breakdown voltage tolerance (±10%)  
Low capacitance  
■
■
STANDARD VOLTAGES  
Series  
DC Breakdown  
Voltage (typ)  
Unit  
PMT(275)  
350  
400  
450  
500  
V
V
V
V
UMT(275)  
550  
600  
650  
750  
800  
V
V
V
V
V
850  
1.0  
1.5  
2.0  
2.5  
V
kV  
kV  
kV  
kV  
(See detailed specifications for more information.)  
www.cpclare.com  
549  
HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS  
PMT/UMT (275) Series  
SPECIFICATIONS  
All characteristics at 25˚C  
PMT(275)350  
PMT(275)400  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
315  
-
1010  
-
350  
385  
750  
-
360  
400  
440  
750  
-
V
V
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
500  
-
-
500  
-
-
surges  
PMT(275)450  
PMT(275)500  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
405  
-
1010  
-
450  
495  
750  
-
450  
500  
550  
750  
-
V
V
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
500  
-
-
500  
-
-
surges  
UMT(275)550  
UMT(275)600  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
495  
-
1010  
-
550  
605  
688  
-
540  
600  
660  
750  
-
V
V
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
500  
-
-
500  
-
-
surges  
UMT(275)650  
UMT(275)750  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
585  
-
1010  
-
650  
715  
813  
-
675  
750  
825  
938  
-
V
V
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
500  
-
-
500  
-
-
surges  
UMT(275)800  
UMT(275)850  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
720  
-
1010  
-
800  
880  
1000  
-
765  
850  
935  
1063  
-
V
V
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
500  
-
-
500  
-
-
surges  
North America: 1-800-CPCLARE  
Europe: 32-11-300868  
Asia: 886-2-2523-6368  
Japan: 81-3-3980-2212  
550  
HIGH-SPEED, HIGH-CURRENT SURGE PROTECTORS  
PMT/UMT (275) Series  
SPECIFICATIONS  
All characteristics at 25˚C  
UMT(275)1.0  
UMT(275)1.5  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
0.9  
-
1.0  
1.1  
1.25  
-
1.35  
1.50  
1.65  
1.88  
-
kV  
kV  
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1010  
-
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
-
500  
-
-
500  
-
-
surges  
UMT(275)2.0  
UMT(275)2.5  
PARAMETER  
CONDITIONS  
SYMBOL  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
UNITS  
Device Specifications  
DC Breakdown  
Impulse Breakdown  
Insulation Resistance  
Capacitance  
100V/s  
5kV/µs  
100V  
V
1.8  
-
1010  
-
2.0  
2.2  
2.5  
-
2.25  
2.50  
2.75  
3.13  
-
kV  
kV  
Ω
BD  
V
-
-
-
-
1010  
-
-
-
-
bd  
IR  
C
1MHz  
4
4
pF  
Life Ratings  
Surge Life  
1kA (PW=20 µs)  
-
500  
-
-
500  
-
-
surges  
MECHANICAL DIMENSIONS  
ORDERING INFORMATION  
DIMENSIONS  
mm  
(inches)  
Devices in the PMT/UMT(275) series with other breakdown voltages  
in the 350-2500V range are available upon request.  
19.05 ± 0.76  
(0.750 ± 0.030)  
A complete part number is represented by the digits below. Break-  
down voltages are expressed in Volts for devices <1000V and kV for  
devices ≥1kV. For example, PMT(275)350 is a 350V PMT(275) series  
device, and UMT(275)2.0 is a 2kV UMT(275) series device.  
1.93 ± 0.13 DIA.  
(0.076 ± 0.005)  
for 350-500 V  
PMT(275) XXX  
for 550-850 V  
UMT(275) XXX  
8.00 ± 0.13 DIA.  
(0.315 ± 0.005)  
4.75 ± 0.76  
(0.187 ± 0.030)  
5.00 ± 0.76 MAX.  
(0.197 ± 0.030)  
for 1.0-2.5 kV  
UMT(275) X.X  
Series  
PMT(275)  
UMT(275)  
Breakdown Voltage  
See specification tables  
www.cpclare.com  
551  

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