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ULTRAFAST RECTIFIERS. UES805 Datasheet |
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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
Page 1
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SCOTTSDALE DIVISION
UES804 UES804HR2
UES805 UES805HR2
UES806 UES806HR2
ULTRAFAST RECTIFIERS,
High Efficiency, 50ATM
GRAPHS and CIRCUIT
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
Page 2
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SCOTTSDALE DIVISION
UES804 UES804HR2
UES805 UES805HR2
UES806 UES806HR2
ULTRAFAST RECTIFIERS,
High Efficiency, 50ATM
NOTES:
1. Oscilloscope: Rise time ≤ 3ns; input impedance = 50Ω.
2. Pulse Generator: Rise time ≤ 8ns; source impedance 10Ω.
3. Current viewing resistor, non-inductive, coaxial
recommended.
OPTIONAL HIGH RELIABILITY (HR2) SCREENING
The following tests are performed on 100% of the devices.
SCREEN
1. High Temperature
2. Temperature Cycle
3. Hermetic Seal
a. Fine Leak
b. Gross Leak
4. Thermal Impedance
5. Interim Electrical Parameters
MIL-STD-750
METHOD
1032
1051
1071
3101
GO/NO GO
CONDITIONS
24 Hours @ TA = 150oC
F, 20 Cycles, -55 to +150oC. No dwell required @
25oC, T>10 min. @ extremes
H, Helium
C, Liquid
As applicable
6. High Temperature Reverse Blocking
As Applicable
t= 48 hours, Tc = 125°C with applicable bias conditions
7. Final Electrical Parameters
GO/NO GO
As applicable
MECHANICAL SPECIFICATIONS
INCHES
MILLIMETERS
A .225 +/- .005
5.72 +/- 0.13
B .060 MIN.
1.52 MIN.
C .156 +/- .020
3.96 +/- 0.51
D .156 MIN. FLAT 3.96 MIN. FLAT
E .667 DIA. MAX 16.94 DIA. MAX
F .090 MAX
2.29 MAX.
G .677 +/- .010
17.20 +/- 0.25
H .375 MAX.
9.53 MAX.
Notes:
J .140 MIN. DIA.
1. Cathode is stud
K 1.000 MAX.
2. Maximum unlubricated stud torque: 30 inch pounds.
L .450 MAX.
3. Angular Orientation of terminal is undefined.
M .438 +/- .015
4. Maximum tension (90o) anode terminal 15 pounds for 30 N .078 MAX.
3.56 MIN. DIA.
25.40 MAX.
11.43 MAX.
11.13 +/- 0.38
1.98 MAX.
seconds
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
Page 3
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