Data Sheet
2.0 Amp SMD SUPER FAST
RECTIFIERS
Mechanical Dimensions
4.06/4.60
Cathode
3.30/3.90
5.10/5/58
.11/.30
1.65/2.19
.01/.20
1.90/2.15
UFS21 . . . 26 Series
Description
Package
SMB
1.91/2.41
Features
n
HIGH SURGE CAPABILITY
n
LOW FORWARD VOLTAGE DROP
n
HIGH CURRENT CAPABILITY
n
MEETS UL SPECIFICATION 94V-0
Electrical Characteristics @ 25
o
C.
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
Forward Voltage @ 2.0A...V
F
DC Reverse Current...I
R
@ Rated DC Blocking Voltage
T
A
= 25°C
T
A
=150°C
UFS21 . . . 26 Series
UFS21
100
70
100
UFS22
200
140
200
UFS24
400
280
400
UFS26
600
420
600
Units
Volts
Volts
Volts
Amps
............................................. 2.0 ...............................................
............................................. 5 0 ...............................................
Amps
............................................. .95 ...............................................
Volts
............................................. 2.0 ...............................................
µAmps
............................................. 5 0 ...............................................
µAmps
............................................. 7 0 ...............................................
............................................. 3 5 ...............................................
......................................... -65 to 150 ..........................................
pF
nS
°C
Typical Junction Capacitance...C
J
(Note 1)
Typical Reverse Recovery Time...t
RR
(Note 2)
Operating & Storage Temperature Range...T
J
, T
STRG
Page 10-6
Data Sheet
2.0 Amp SMD SUPER FAST
RECTIFIERS
Typical Junction Capacitance
Forward Current Derating Curve
T
A
= Ambient Temperature (°C)
°
Typical Instantaneous Forward Characteristics
Reverse Voltage (Volts)
Typical Reverse Characteristics
Volts
Non-Repetitive
Peak Forward Surge Current
Non-Inductive
(+)
50Ω
Ω
25 VDC
Ω
D.U.T 10Ω
1
Ω
Non-
Inductive
µ
Amps
Amps
Percent of Rated Peak Voltage
Reverse Recovery
Characteristics
(-)
Pulse
Generator
Note 2
+.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%.
Amps
(-)
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. Measured @ 1 MHZ and applied reverse voltage of 4.0V.
2. Conditions: I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A.
Page 10-7
UFS21 . . . 26 Series
Amps
pF
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
