SF51 thru SF58
Super Fast Plastic Rectifiers
Reverse Voltage 50 to 600V Forward Current 5.0A
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically
bonded construction
* Diffused junction
* Capable of meeting environmental standards
of MIL-S-19500
* For use in high frequency rectifier circuits
* Fast switching for high efficiency
* High temperature soldering guaranteed:
260°C/10 seconds
* 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
Mechanical Data
Case:
JEDEC DO-201AD, molded plastic
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.038 oz., 1.03 g
Handling precautin:None
We declare that the material of product compliance
with ROHS requirements
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
device marking code
Maximum repetitive peak reverse voltage
Maximum RSM voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
= 75°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Typical thermal resistance (Note 2)
Maximum DC blocking voltage temperature
Operating junction temperature range
Storage temperature range
V
RRM
V
RSM
V
DC
I
F(AV)
I
FSM
RθJ
A
T
A
T
J
T
STG
symbol
SF51
SF51
50
35
50
SF52
SF52
100
70
100
SF53
SF53
150
105
150
SF54
SF54
200
140
200
5.0
150
20
150
–50
to +150
–50
to +150
SF55
SF55
300
210
300
SF56
SF56
400
280
400
SF57
SF57
500
350
500
SF58
SF58
600
420
600
V
V
V
A
A
°C/W
°C
°C
°C
Unit
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 5.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
symbol
V
F
IR
trr
CJ
SF51
SF52
SF53
SF54
SF55
10
200
35
190
SF56
SF57
1.7
SF58
Unit
V
µA
ns
PF
0.95
1.25
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
SF51 thru SF58
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
TA=Ambient Temperature
0.375"(9.5mm)Lead Lengh
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
TJ = 75°C
8.3ms Single Half Sine-wave
(JEDEC Method)
Average Forward Rectified Current (A)
5.0
2.5
60 Hz Resistive or Inductive load
TL=Lead Temperature with both leads heat
sink mounted with length(L) as shown
25
50 75 100 125 150 175
Ambient Temperature,
°C
Fig 3.
–
Typical Instantaneous Forward
Characteristics
100
0
Average Forward Rectified Current (A)
200
100
0
0
1
10
Number of Cycles at 60Hz
100
Fig 4.
–
Typical Reverse Characteristics
100
Instantaneous Reverse Current (µA)
Instantaneous Forward Current (A)
10
1.0
0.1
0.01
0.6
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
10
1.0
0.1
Tj=125℃
Tj=25℃
0.8
1.0
1.2
1.4
1.6
Instantaneous Forward Voltage (V)
Fig 5.
–typical
transient thermal
impedance
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Transient thermal impedance(°C/W)
100
100
Junction Capacitance (pF)
10
10
1.0
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
1.0
0.1
1
10
Reverse Voltage (V)
100
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