Description
Features
Mechanical Dimensions
Maximum Ratings
Peak Repetitive Reverse Voltage...V
RRM
RMS Reverse Voltage...V
R(rms)
DC Blocking Voltage...V
DC
UFS30 . . . 36 Series
Average Forward Rectified Current...I
F(av)
T
A
= 55
C
Non-Repetitive Peak Forward Surge Current...I
FSM
@ Rated Current & Temp
Operating & Storage Temperature Range...T
J
, T
STRG
Maximum Forward Voltage @ 3.0A...V
F
Maximum DC Reverse Current...I
R
@ Rated DC Blocking Voltage
Typical Junction Capacitance...C
J
(Note 1)
Maximum Reverse Recovery Time...t
RR
(Note 2)
Page 10-8
UFS30 . . . 36 Series
Data Sheet
3.0 Amp SMD SUPER FAST
RECTIFIERS
Units
............................................. 3.0 ...............................................
............................................. 75 ...............................................
......................................... -65 to 150 ..........................................
............................................. 5.0 ...............................................
............................................. 100 ...............................................
Volts
Volts
Volts
Amps
Amps
C
Volts
Amps
pF
ns
n LOW COST
n LOW LEAKAGE
n HIGH SURGE CAPABILITY
n MEETS UL SPECIFICATION 94V-0
< ....................... 0.95 .....................>
1.3
1.5
< ....................... 35 .....................> < .......... 50 ......... >
UFS30
UFS31
UFS32
UFS34
UFS36
50
100
200
400
600
35
70
140
280
420
50
100
200
400
600
DO-214AB
(SMC)
Electrical Characteristics
Data Sheet
3.0 Amp SMD SUPER FAST
PLASTIC RECTIFIERS
UFS30 . . . 36 Series
Page 10-9
NOTES: 1. Measured @ 1 MHz and applied reverse voltage of 4.0V.
2. I
F
= 0.5A, I
R
= 1.0A, Irr = 0.25A
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
Single Phase Half
Wave, 60 Hz
Resistive or
Inductive Load.
For Capacitive
Load, Derate
Current by 20%.
Junction Capacitance (pF)
Reverse Voltage (V)
Typical Junction Capacitance
Peak Forward Surge Current (A)
Non-Repetitive
Peak Forward Surge Current
Number of Cycles @ 60 Hz
Reverse Recovery
Characteristics
Typical Instantaneous Forward Characteristics
Oscilliscope
Note 1
Pulse
Generator
Note 2
(-)
(+)
Notes:
1. Rise Time = 7 ns Max.
Impedance = 1 megohm, 22 pF
2. Rise Time = 10 ns Max.
Source Impedance = 50 Ohms
Time Base Set @ 50/100ns/cm
+.5A
0A
-.25A
-1.0A
1 cm
Typical Reverse Characteristics
Reverse Current (
A)
t
RR
Forward Current (A)
Forward Voltage (V)
50
(-)
(+)
25 VDC
Non-Inductive
1
Non-
Inductive
D.U.T 10
Percent of Rated Peak Voltage
Forward Current Derating Curve
Ambient Temperature (
C)
Average Forward Current (A)
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