Data Sheet
Description
1.0 Amp SMD SUPER FAST
RECTIFIERS
Mechanical Dimensions
DO-214AC
(SMA)
UFS11 . . . 16 Series
Features
n
HIGH SURGE CAPABILITY
n
LOW FORWARD VOLTAGE DROP
n
HIGH CURRENT CAPABILITY
n
MEETS UL SPECIFICATION 94V-0
UFS11 . . . 16 Series
Maximum Ratings
Peak Repetitive Reverse Voltage...V
RRM
RMS Reverse Voltage...V
R(rms)
DC Blocking Voltage...V
DC
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
Electrical Characteristics
Maximum Forward Voltage @ 1.0A...V
F
Maximum DC Reverse Current...I
R
@ Rated DC Blocking Voltage
T
A
= 25°C
T
A
=100°C
.95
.95
1.3
1.5
UFS11
100
70
100
UFS12
200
140
200
UFS14
400
280
400
UFS16
600
420
600
Units
Volts
Volts
Volts
Amps
............................................. 1.0 ...............................................
............................................. 3 0 ...............................................
Amps
......................................... -65 to 150 ..........................................
°C
Volts
............................................. 2.0 ...............................................
µAmps
............................................. 5 0 ...............................................
µAmps
............................................. 5 0 ...............................................
< ................... 3 5 ................. > < .................. 5 0 ................... >
pF
ns
Typical Junction Capacitance...C
J
(Note 2)
Maximum Reverse Recovery Time...t
RR
(Note 1)
Page 10-4
Data Sheet
1.0 Amp SMD SUPER FAST
RECTIFIERS
Typical Junction Capacitance
Junction Capacitance (pF)
Forward Current Derating Curve
Average Forward Current (A)
Ambient Temperature (°C)
°
Typical Instantaneous Forward Characteristics
Reverse Voltage (V)
Typical Reverse Characteristics
Reverse Current (µA)
µ
Forward Current (A)
Forward Voltage (V)
Non-Repetitive
Peak Forward Surge Current
Non-Inductive
(+)
(-)
50Ω
Ω
25 VDC
Ω
D.U.T 10Ω
1
Ω
Non-
Inductive
Percent of Rated Peak Voltage
Reverse Recovery
Characteristics
(-)
Pulse
Generator
Note 2
Peak Forward Surge Current (A)
+.5A
0A
-.25A
-1.0A
t
RR
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
1 cm
Single Phase Half
Wave, 60 Hz
Resistive or
Inductive Load.
For Capacitive
Load, Derate
Current by 20%.
Oscilliscope (+)
Note 1
Notes:
1. Rise Time = 7 ns Max.
Impedance = 1 megohm, 22 pF
2. Rise Time = 10 ns Max.
Source Impedance = 50 Ohms
Number of Cycles @ 60 Hz
Time Base Set @ 50/100ns/cm
NOTES:
1. I
F
= 0.5A, I
R
= 1.0A, Irr = 0.25A
2. Measured @ 1 MHz and applied reverse voltage of 4.0V.
Page 10-5
UFS11 . . . 16 Series
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