Datasheet

Document Number: 88763 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 23-Oct-09 [e-mail]
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Miniature Ultrafast Plastic Rectifier
UG4A thru UG4D
Vishay General Semiconductor
FEATURES
• Glass passivated chip junction
• Ultrafast reverse recovery time
• Low forward voltage drop
• Low switching losses, high efficiency
• High forward surge capability
• Solder dip 275 °C max. 10 s, per JESD 22-B106
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
TYPICAL APPLICATIONS
For use in high frequency rectification and freewheeling
application in switching mode converters and inverters for
consumer, computer and telecommunication.
MECHANICAL DATA
Case: DO-201AD
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS compliant, commercial grade
Terminals: Matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
E3 suffix meets JESD 201 class 1A whisker test
Polarity: Color band denotes cathode end
PRIMARY CHARACTERISTICS
I
F(AV)
4.0 A
V
RRM
50 V to 200 V
I
FSM
150 A
t
rr
20 ns
V
F
0.95 V
T
J
max. 150 °C
DO-201AD
MAXIMUM RATINGS (T
A
= 25 °C unless otherwise noted)
PARAMETER SYMBOL UG4A UG4B UG4C UG4D UNIT
Maximum repetitive peak reverse voltage V
RRM
50 100 150 200 V
Maximum RMS voltage V
RMS
35 70 105 140 V
Maximum DC blocking voltage V
DC
50 100 150 200 V
Maximum average forward rectified current (fig. 1) I
F(AV)
4.0 A
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load
I
FSM
150 A
Operating junction and storage temperature range T
J
, T
STG
- 55 to + 150 °C