- 106 -
Marking
0 5
0 5
30
5
.250(6.55)
.246(6.45)
.211(5.36)
.207(5.26)
.274(6.95)
.270(6.85)
.250(6.55)
.246(6.45)
.024(0.60)
.031(0.80)
.165(4.20)
.149(3.80)
.043(1.10)
.035(0.90)
.093(2.35)
.089(2.25)
.013(0.54)
.011(0.48)
.384(9.75)
.364(9.25)
.053(1.30)
.045(1.10)
.059(1.45)
.039(0.95)
.112(2.85)
.092(2.35)
.211(5.36)
.207(5.26)
.013(0.54)
.011(0.48)
1
2
3
SRD620 THRU SRD660
6.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 60 Volts
Current
6.0 Amperes
Features
Extremely fast switching
Extremely low forward drop
Guaranteed
reverse
avalanche
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: SRD620, SRD630, SRD640,
SRD650, SRD660
D
-
PAK
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%
Type Number
Symbol SRD
620
SRD
630
SRD
640
SRD
650
SRD
660
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
20 30 40 50 60 V
Maximum RMS Voltage
V
RMS
14 21 28 35 42 V
Maximum DC Blocking Voltage
V
DC
20 30 40 50 60 V
Maximum Average Forward Rectified Current at
T
C
= 100
I
(AV)
6.0 A
Nonrepetitive Peak Surge Current
(Surge Applied at Rated Load Conditions
Halfwave, Single Phase, 60 HZ)
I
FSM
75
A
Peak Repetitive Reverse Surge Current (Note 1)
I
RRM
1.0 A
Maximum Instantaneous Forward Voltage
@ 3.0A
V
F
0.55
0.7
V
Maximum D.C. Reverse Current @ Tc=25
at Rated DC Blocking Voltage @ Tc=125
I
R
0.3
15
mA
mA
Maximum Thermal Resistance Per Leg
(Note 2)
R
JC
R
JA
6
80
/W
Operating Junction Temperature Range
T
J
-65
to
+125
Storage Temperature Range
T
STG
-65
to
+150
Notes:
1
.
2.0us Pulse Width, f=1.0KH
Z
.
2.
Thermal
Resistance
from Junction to Case and Thermal Resistance from Junction to Ambient.
- 107 -
RATINGS AND CHARACTERISTIC CURVES (SRD620 THRU SRD660)
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
80
100
160
INST
ANT
ANEOUS
REVERSE
CURRENT
.
(mA)
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
130
120
110
90
1000
0
1
2
4
3
5
6
100
V REVERSE VOLTAGE. (VOLTS)
R
Tj=125 C
Tj=25 C
0
8
7
140
150
CASE TEMPERATURE. ( C)
o
C.CAP
ACIT
ANCE
.
(pF)
100
10
FIG.2- TYPICAL JUNCTION CAPACITANCE PER LEG
30
20
10
0
40
50
60
80
Tj=75 C
O
FIG.3- TYPICAL REVERSE CHARACTERISTICS
PER LEG
10
1
0.1
0.01
0.001
60
120
40
80
20
100
0
PERCENT OF RATED PEAK REVERSE VOLTAGE.
140
FIG.4- TYPICAL FORWARD CHARACTERISTICS
PER LEG
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.1
1
10
50
FORWARD VOLTAGE. (V)
SRD620-SRD640
SRD
650-S
RD
660
Tj=25oC
Pulse Width=300 s
1% Duty Cycle
Tj=125 C
O
Tj=25 C
O
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