SF31
WILLAS
SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 400 Volts CURRENT 3.0 Amperes
FEATURES
*
*
*
*
*
*
*
High reliability
Low leakage
Low forward voltage
High current capability
Super fast switching speed
High surge capability
Good for switching mode circuit
THRU
SF36
0.1AM
Pb Free Product
FEATURES
* Extremely Low VF
* Extremely thin package
* Majority carrier conduction
DO-201AD
MECHANICAL DATA
*
*
*
*
*
Case: Molded plastic
Epoxy: UL 94V-O rate flame retardant
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 1.18 grams
.112 (2.85)
.100 (2.55)
* Low stored charge
.059 (1.5
MECHANICAL DATA
Method 2026
.043 (1.1
* Case:Molded plastic, JEDEC SOD-323(SC-76)
* Terminal : Solder plated, solderable per MIL-STD-750,
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
* Polarity : Indicated by cathode band
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%.
* Mounting Position : Any
* Weight : 0.000159 ounce, 0.0045 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(At T
A
= 25
o
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Volts
Maximum DC Blocking Voltage
Maximum Average Forward Current
o
at T
A
= 55 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
V
RMS
SF31
50
35
SF32
100
70
SF33
150
105
SF34
200
140
SF35
300
210
SF36
400
280
UNITS
Volts
Volts
Volts
Amps
Amps
30
-65 to + 150
pF
C
Conditions
0
MAXIMUM RATING AND ELECTRICAL CH
Rating 25
o
C ambient temperature unless otherwise specified.
I
O
3.0
Single phase half wave, 60Hz, resistive of inductive load.
I
FSM
For capacitive load, derate current by 20%
125
C
J
T
J
, T
STG
Parameter
50
50
100
150
200
300
400
Repetitive Peak Reverse Voltage
ELECTRICAL CHARACTERISTICS
(At T
A
= 25 C unless otherwise noted)
CHARACTERISTICS
Maximum Forward Voltage at 3.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Maximum Reverse Recovery Time (Note 1)
@T
A
= 25 C
@T
A
=150 C
o
o
o
Continuous Reverse Voltage
SYMBOL
V
F
I
R
SF31
SF32
0.95
SF33
5.0
50
SF34
SF35
SF36
Forward Voltage
Reverse Current
trr
Rectifying Current
Peak forward surge current
Capacitance between terminals
Operating Temperature
Storage Temperature
I
F
= 10mA DC
1.25
UNITS
Volts
uAmps
nSec
I
F
= 100mA DC
= 10V DC
V
35
R
NOTES : 1. Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A.
Mean
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts.
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WILLAS [ WILLAS ELECTRONIC CORP ]
