GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 200 Volts CURRENT 2.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* High reliability
* Low leakage
* Low forward voltage
* High current capability
* Super fast switching speed
* High surge capability
* Good for switching mode circuit
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
USF21
THRU
USF24
DO-15
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Test Conditions: I
F
=0.5A, I
R
=-1.0A, I
RR
=-0.25A.
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts.
Dimensions in inches and (millimeters)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.38 gram
2002-4
at Rated DC Blocking Voltage
CHARACTERISTICS
Maximum Reverse Recovery Time (Note 1)
V
F
SYMBOL
I
R
trr
UNITS
0.90
10
uAmps
nSec
Maximum DC Reverse Current
Maximum Forward Voltage at 2.0A DC
Volts
@T
A
= 25
o
C
@T
A
=100
o
C
SF21
SF24
SF22
SF23
350
20
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Volts
Maximum DC Blocking Voltage
Maximum Average Forward Current
T
A
= 55
o
C
Peak Forward Surge Current I
FM
(surge):8.3 ms single half
sine-wave superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
DC
I
O
I
FSM
C
J
T
J
, T
STG
V
RMS
Volts
Volts
Volts
Amps
2.0
75
15
-55 to + 150
Amps
pF
0
C
UNITS
SF21
SF24
SF22
SF23
50
200
100
150
35
140
70
105
50
200
100
150
1.0 (25.4)
MIN.
.230 (5.8)
.300 (7.6)
1.0 (25.4)
MIN.
.140 (3.6)
.104 (2.6)
DIA.
.034 (0.9)
.028 (0.7)
DIA.