USF31
THRU
USF34
GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 200 Volts CURRENT 3.0 Amperes
FEATURES
* Glass passivated device
* For surface mounted applications
* Ultrafast recovery times dor high efficiency
* Low forward voltage, low power loss
* Low leakage current
DO-201AD
MECHANICAL DATA
* Epoxy: Device has UL flammability classification 94V-O
* Metallurgically bonded construction
* Mounting position: Any
.052 (1.3)
.048 (1.2)
DIA.
1.0 (25.4)
MIN.
.375 (9.5)
.335 (8.5)
.220 (5.6)
.197 (5.0)
DIA.
1.0 (25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
resistive or inductive load.
Dimensions in inches and (millimeters)
O
MAXIMUM RATINGS (@ T
A
=25 C unless otherwise noted)
SYMBOL
USF31
50
USF32
100
USF33
150
USF34
200
UNITS
Volts
Volts
Volts
RATINGS
VRRM
VRMS
VDC
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
35
70
105
140
50
100
150
Maximum DC Blocking Voltage
200
Maximum Average Forward Rectified Current
IO
3.0
Amps
Amps
O
at T = 55 C
A
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
IFSM
80
26.56
Current Squarad Time
I2
t
A2/Sec
0C/W
0C/W
pF
Typical Thermal Resistance (Note 1)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
R
R
20
θ
θ
J A
J L
8.0
CJ
TJ
45
-55 to + 150
0 C
Storage Temperature Range
TSTG
-55 to + 150
0 C
O
ELECTRICAL CHARACTERISTICS(@T
A
=25 C unless otherwise noted)
CHARACTERISTICS
SYMBOL
VF
USF31
USF32
USF33
USF34
UNITS
Volts
μA
Maximum Instantaneous Forward Voltage at 3.0A DC
.95
5.0
2.0
@TA = 25oC
Maximum Average Reverse Current
IR
at Rated DC Blocking Voltage
Maximum Reverse Recovery Time (Note 4)
@TA = 150oC
mA
20
nSec
trr
2019-10
REV: B
NOTES : 1. Thermal Resistance :At 9.5mm lead lengths, PCB mounted.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. " ROHS compliant".
4. Test Conditions: I = 0.5A, I = -1.0A, I = -0.25A.
F
R
RR