SRAD320
THRU
SRAD360
3.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 60 Volts
Current
3.0 Amperes
Features
Extremely fast switching
Extremely low forward drop
Guaranteed reverse avalanche
.274(6.95)
.270(6.85)
.250(6.55)
.246(6.45)
.250(6.55)
.246(6.45)
.211(5.36)
.207(5.26)
D
-
PAK
.093(2.35)
.089(2.25)
.013(0.54)
.011(0.48)
Marking
.043(1.10)
.035(0.90)
0 5
.384(9.75)
.364(9.25)
.112(2.85)
.092(2.35)
.059(1.45)
.039(0.95)
Mechanical Data
Cases: Epoxy, molded
Weight: 0.4 gram (approximately)
Finish: All external surfaces corrosion
resistant and terminal leads are readily
solderable
Lead and mounting surface temperature for
soldering purposes: 260
O
C max. for 10
seconds
Shipped 75 units per plastic tube
Marking: SRAD320, SRAD330, SRAD340,
SRAD350, SRAD360
0 5
30
.024(0.60)
.031(0.80)
5
.013(0.54)
.011(0.48)
.053(1.30)
.045(1.10)
.211(5.36)
.207(5.26)
.165(4.20)
.149(3.80)
1
2
3
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Symbol SRAD SRAD SRAD SRAD SRAD
Units
Type Number
320
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
(See Fig. 1
)
Nonrepetitive Peak Surge Current
(Surge Applied at Rated Load Conditions
Halfwave, Single Phase, 60 HZ)
Peak Repetitive Reverse Surge Current (Note 1)
M
aximum
I
nstantaneous
F
orward
V
oltage @3.0A
330
340
350
360
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
I
RRM
V
F
20
14
20
30
21
30
40
28
40
3.0
75
1.0
50
35
50
60
42
60
V
V
V
A
A
A
V
mA
mA
℃/W
pF
℃
℃
0.55
0.3
20
6
80
400
0.7
Maximum D.C. Reverse Current @ Tc=25℃
at Rated DC Blocking Voltage @ Tc=125℃
Maximum Thermal Resistance Per Leg
(Note 3)
Typical Junction Capacitance (Note 2)
Operating Junction Temperature Range
Storage Temperature Range
I
R
R
θ
JC
R
θ
JA
Cj
T
J
T
STG
-65 to +150
-65 to +125
-65 to +150
Notes : 1. 2.0us Pulse Width, f=1.0KH
Z
.
2. Pulse Test : 300 us, 2.0% Duty Cycle.
3. Thermal resistance from Junction to Case and Thermal Resistance from Junction to Ambient.
- 100 -
RATINGS AND CHARACTERISTIC CURVES (SRAD320 THRU SRAD360)
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
4
FIG.2- TYPICAL JUNCTION CAPACITANCE PER LEG
1K
700
500
AVERAGE FORWARD CURRENT. (A)
Tj=125 C
3
C.CAPACITANCE . (pF)
300
200
100
70
50
30
20
Tj=25
0
C
35
AD
SR
32
AD
SR
2
0-3
0-3
1
60
40
0
80
10
90
100
110
120
130
o
140
150
160
0
10
CASE TEMPERATURE. ( C)
20
30
40
50
V
R
REVERSE VOLTAGE. (VOLTS)
60
70
INSTANTANEOUS REVERSE CURRENT. (mA)
100
40
20
10
4
2
1
0.4
0.2
0.1
0.04
0.02
0.01
0.004
0.002
0.001
FIG.3- TYPICAL REVERSE CHARACTERISTICS
PER LEG
INSTANTANEOUS FORWARD CURRENT. (A)
50
FIG.4- TYPICAL FORWARD CHARACTERISTICS
PER LEG
125
0
C
100
0
C
10
SR
AD
-S
320
RA
D34
0
1.0
A
SR
5
D3
0-
3
AD
SR
60
25
0
C
0.1
.2
Tj=25oC
Pulse Width=300 s
1% Duty Cycle
.3
.4
.5
.6
.7
.8
.9
1.0
0
20
40
60
80
100
120
PERCENT OF RATED PEAK REVERSE VOLTAGE.
FORWARD VOLTAGE. (V)
- 101 -
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