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SRD820 THRU SRD860
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: SRD820, SRD830, SRD840,
SRD850, SRD860
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
820
SRD
830
SRD
840
SRD
850
SRD
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
M
aximum
I
nstantaneous
F
orward
V
oltage at
@4.0A
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.
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
- 125 -
RATINGS AND CHARACTERISTIC CURVES (SRD820 THRU
)
SRD860
FIG.1- FORWARD
CURVE
CURRENT DERATING
FIG.2-TYPICAL FORWARD CHARACTERISTICS
PER LEG
FIG.3- TYPICAL REVERSE CHARACTERISTICS
PER LEG
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
m
A
)
FIG.4- TYPICAL JUNCTION CAPACITANCE PER LEG
CAP
ACIT
ANCE.
(pF)
0.01
0
0.6
0.01
1
CASE TEMPERATURE. ( C)
O
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
Tj=25
O
C
Tj=100 C
O
Tj=25 C
Tj=125 C
0.5
0.4
0.3
0.2
0.1
INSTANTANEOUS FORWARD VOLTAGE. (V)
PERCENT OF RATED PEAK REVERSE VOLTAGE.
REVERSE VOLTAGE. (V)
0.1
1
10
100
0.1
1
10
0
5
10
15
20
25
30
35
1000
100
10
105
130
125
115
110
90
0
10
80
100
120
95
85
9
8
7
6
5
4
3
2
1
5
0.1
60
30
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