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UES806 fiches techniques PDF

Microsemi - ULTRAFAST RECTIFIERS

Numéro de référence UES806
Description ULTRAFAST RECTIFIERS
Fabricant Microsemi 
Logo Microsemi 





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UES806 fiche technique
SCOTTSDALE DIVISION
UES804 UES804HR2
UES805 UES805HR2
UES806 UES806HR2
ULTRAFAST RECTIFIERS,
High Efficiency, 50ATM
DESCRIPTION
The UES804 series of ultrafast high-efficiency rectifiers is specifically
designed for operation in power switching circuits operating at frequencies
of 20 kHz or higher. These devices have demonstrated capability in
passing power-stress testing to 25 thousand cycles with full-rated forward
current turned on and off without a heat sink. This forces case temperature
increases of 75 °C at which time the current is removed to simulate worst
case applications. The switching times increase relatively little with
temperature or at different currents.
APPEARANCE
DO-5
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
Very Low Forward Voltage
Very Fast Recovery Times
High Reliability Screening Options with HR2 Suffix
(ie. UES804HR2)
Low Thermal Resistance
Mechanically rugged
Standard Polarity is Cathode to Case. For Reverse
Polarity, Add Suffix R (ie. UES804R)
ABSOLUTE MAXIMUM RATINGS
Peak Inverse Voltage, UES804, UES804HR2……….200 V
Peak Inverse Voltage, UES805, UES805HR2……….300 V
Peak Inverse Voltage, UES806, UES806HR2……….400 V
Average DC Output Current, IO @ TC = 100oC………50 A
Surge Current, 8.3 ms …………………………………600 A
Thermal Resistance, Junction to Case……………0.8 oC/W
Operating and Storage Temp. Range…….-55oC to +150oC
APPLICATIONS / BENEFITS
Power Switching Circuits 20 kHz and above
with minimal parasitic switching losses
Catch Diodes for Switching Regulators
Output Rectifiers for High Frequency Square-
Wave Inverters
Extremely Robust in Power Cycling
High Surge Capability
Hermetically Sealed
MECHANICAL AND PACKAGING
Industry Standard DO-5 (DO-203AB) Package
with 11/16 inch Hex and 1/4-28 Threaded Stud
Hermetically Sealed Metal and Glass Case
Body
Metal Surface Finish: Tin Plated
Weight: 15.5 grams (approximate)
Maximum unlubricated stud Torque: 15 inch
pounds
Angular Orientation of Terminal is Undefined
Marking: Part Number and Logo
ELECTRICAL CHARACTERISTICS
Maximum
Microsemi Part Number
Working Peak
Reverse
Voltage
VRWM
UES804
UES804HR2
200 V
Forward
Voltage
VF
@ 50 A
tp = 300 µs
TC = 25oC
TC = 125oC
UES805
UES805HR2
300 V
1.25 V
1.15 V
UES806
UES806HR2
400 V
* Measured in circuit IF = 0.5 A, IR = 1 A, IREC = 0.25 A
Maximum
Reverse
Current
IR
@ VRWM
TC = 25oC
TC = 125oC
70 µA
30 mA
Maximum
Reverse
Recovery
Time*
trr
50 ns
Copyright © 2003
02-03-2003 REV 0
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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