RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SF51
THRU
SF56
GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 400 Volts CURRENT 5.0 Amperes
FEATURES
*
*
*
*
*
*
*
High reliability
Low leakage
Low forward voltage
High current capability
Super fast switching speed
High surge capability
Good for switching mode circuit
DO-201AD
MECHANICAL DATA
*
*
*
*
*
Case: Molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 1.18 grams
.052 (1.3)
DIA.
.048 (1.2)
1.0 (25.4)
MIN.
.375 (9.5)
.335 (8.5)
.220 (5.6)
DIA.
.197 (5.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
o
1.0 (25.4)
MIN.
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
RMS
V
DC
I
O
I
FSM
C
J
T
J
, T
STG
50
-65 to + 150
SF51
50
35
50
SF52
100
70
100
SF53
150
105
150
5.0
150
30
SF54
200
140
200
SF55
300
210
300
SF56
400
280
400
UNITS
Volts
Volts
Volts
Amps
Amps
pF
0
C
ELECTRICAL CHARACTERISTICS
(At T
A
= 25 C unless otherwise noted)
CHARACTERISTICS
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Maximum Forward Voltage at 5.0A DC
Maximum Reverse Recovery Time (Note 1)
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.
@T
A
= 25
o
C
@T
A
=125
o
C
I
R
V
F
trr
0.95
35
SYMBOL
SF51
SF52
SF53
5.0
150
1.25
SF54
SF55
SF56
UNITS
uAmps
Volts
nSec
2001-5
o
RATING AND CHARACTERISTIC CURVES ( SF51 THRU SF56 )
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
NONINDUCTIVE
10
NONINDUCTIVE
trr
+0.5A
(-)
PULSE
GENERATOR
AVERAGE FORWARD CURENT, (A)
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
6.0
5.0
4.0
3.0
2.0
1.0
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE (
)
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
(+)
25 Vdc
(approx)
(-)
D.U.T
0
-0.25A
(NOTE 2)
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
-1.0A
NOTES:
1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
1cm
SET TIME BASE FOR
10 ns/cm
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS REVERSE CURRENT, (uA)
100
TJ = 150
100
TJ = 100
SF
51
~S
F5
10
10
4
.1
TJ = 25
.1
Pulse Width = 300uS
1% Duty Cycle
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
.01
0
.2
.4
.6
.8
1.0 1.2 1.4
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
PEAK FORWARD SURGE CURRENT, (A)
175
150
125
100
75
50
25
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
(JEDEC Method)
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20 40 100
TJ = 25
SF
55
~S
1.0
1.0
F5
TJ = 25
6
SF5
1~S
F54
SF5
5
~SF
56
REVERSE VOLTAGE, ( V )
RECTRON
京公网安备 11010802033920号
EEWORLD
