- 118 -
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
SRAD820 THRU SRAD860
8.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 60 Volts
Current
8.0 Amperes
Features
Low
forward
voltage
125
O
C operating junction temperature
Epoxy meets UL94, VO at 1/8"
Guaranteed
reverse
avalanche
Compact
size
Lead formed for surface mount
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: SRAD820, SRAD830, SRAD840,
SRAD850, SRAD860
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 SRAD
820
SRAD
830
SRAD
840
SRAD
850
SRAD
860
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
= 88
I
(AV)
8.0 A
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave,
single phase, 60 HZ)
I
FSM
75 A
Maximum Instantaneous Forward Voltage at
@8.0A
V
F
0.55
0.7
V
Maximum D.C. Reverse Current @ Tc=25
at Rated DC Blocking Voltage(Note 1) @ Tc=100
I
R
1.4
35
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
. Pulse Test: Pulse Width = 300us, 2.0% Duty Cycle.
2.
Thermal Resistance from Junction to Case and Thermal Resistance from Junction to
Ambient.
- 119 -
RATINGS AND CHARACTERISTIC CURVES (SRAD820 THRU
)
SRAD860
FIG.1- FORWARD
CURVE
CURRENT DERATING
105
130
FIG.2-TYPICAL FORWARD CHARACTERISTICS
PER LEG
FIG.3- TYPICAL REVERSE CHARACTERISTICS
PER LEG
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
m
A
)
125
115
110
90
0.01
CASE TEMPERATURE. ( C)
O
A
VERAGE
FOR
W
ARD
CURRENT
.(
A
)
0
10
80
100
120
Tj=25 C
Tj=125 C
Tj=100 C
Tj=125 C
PERCENT OF RATED PEAK REVERSE VOLTAGE.
100
0.1
1
10
0
5
10
15
20
25
30
35
FIG.4- TYPICAL JUNCTION
PER LEG
CAPACITANCE
CAP
ACIT
ANCE.
(pF)
1
Tj=25 C
REVERSE VOLTAGE. (V)
1000
100
10
95
85
9
8
7
6
5
4
3
2
1
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.1
1.0
10
50
FORWARD VOLTAGE. (V)
SRAD850-860
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
SRAD820-840
60
30
3
0.4
PDF 
ZIP