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參數(shù)資料
| 型號： | UM9995 |
| 廠商： | Microsemi Corporation |
| 英文描述： | ULTRA LOW MAGNETIC MRI SWITCHING DIODES |
| 中文描述： | 超低磁場核磁共振開關(guān)二極管 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 255K |
| 代理商： | UM9995 |
Microsemi
Page 1
Copyright
2004
Rev. 0, 2004-10-15
W
M
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UM9995
ULTRA LOW MAGNETIC MRI SWITCHING
DIODES
DESCRIPTION
The UM9995 was developed for switching applications in MRI systems
that require an ultra low magnetic image. The UM9995 is also excellent
for shunt mount applications with good switch performance from VHF
and higher. The selection of the proper materials for the package insures
the minimum magnetic image required for MRI applications. The
performance is achieved using discrete low inductance PIN diodes
assembled with special hardware to permit good electrical and
mechanical properties The Microsemi UM9995 PIN diode is constructed
using a fused-in-glass process, which results in a highly reliable, hermetic
package. The process utilizes symmetrical, full faced metallurgical bonds
to both surfaces of the silicon chip. This construction greatly minimizes
the normal parasite inductance and capacitance found in conventional
glass or ceramic packaged diodes, which employ straps, springs, or
washers.
Fig. 1 Image of the UM9995 compared to standard Switch diode
KEY FEATURES
9
Ultra low magnetic
construction
9
Low inductance
package
9
High power handling
capability
9
Low bias current
requirement
9
Excellent distortion
properties
9
Passivated chip
9
Metallurgical bond
9
Non-cavity design
9
Thermally matching
configuration
9
Available in surface or
shunt mount packages
This is an actual
Magnetic
Image
of the
standard UM9601 and
the specially constructed
UM9995
PIN diode (in
a 3T MRI system).
U
M
9
9
9
5
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| UMA5818 | ULTRAMITTE SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS |
| UMA5819 | ULTRAMITTE SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS |
| UMC1N | Very low drop 1A regulator |
| UMC5N | QUAD DARLINGTON SWITCH |
| UMF1000TD | FULLY INTEGRATED POWER SUPPLY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UM9995G | 制造商:Microsemi Corporation 功能描述:RF PIN DIODE |
| UM9995SM | 制造商:Microsemi Corporation 功能描述:RF PIN DIODE |
| UM9998-AB-STD | 制造商:Microsemi Corporation 功能描述:PIN DIODE HW PN - Bulk |
| UM99E11A01 | 功能描述:基本/快動開關(guān) PIN PLUNGER RoHS:否 制造商:Omron Electronics 觸點形式:SPDT 執(zhí)行器:Lever 電流額定值:5 A 電壓額定值 AC:250 V 電壓額定值 DC:30 V 功率額定值: 工作力:120 g IP 等級:IP 67 NEMA 額定值: 端接類型:Wire 安裝:Panel |
| UM99E11F01 | 功能描述:基本/快動開關(guān) Roller Lever RoHS:否 制造商:Omron Electronics 觸點形式:SPDT 執(zhí)行器:Lever 電流額定值:5 A 電壓額定值 AC:250 V 電壓額定值 DC:30 V 功率額定值: 工作力:120 g IP 等級:IP 67 NEMA 額定值: 端接類型:Wire 安裝:Panel |
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