CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum CD Blocking Voltage
Maximum Average Forward
Rectified Current (See Fig. 1) @Tc=95
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC Method)
Maximum Forward Voltage at 8.0A DC (Note 1)
Maximum DC Reverse Current @Tj=25
at Rated DC Blocking Voltage @Tj=100
Typical Junction
Capacitance(Note2)
Typical Thermal Reverse(Note3)
Operating Temperature Range
Storage Temperature Range
NOTES:1 .300 s Pulse Width, 2% Duty Cycle
2 .Measured 1.0MHz and applied reverse voltage of 4.0V DC.
3.Themal Resistance Junction to Case.
SYMBOL
SR830
SR835
SR840
SR845
SR850
SR860
VRRM 30 35 40 45 50 60
VRMS 21 24.5 28 31.5 35 42
VDC 30 35 40 45 50 60
I(AV) 8.0
IFSM 200
VF 0.55 0.70
IR 0.5
50
CJ 450
JC 3.0
TJ
TSTG
UNIT
V
V
V
A
A
-55 to +125
-55 to +150
V
UA
PF
/W
SCHOTTKY BARRIER RECTIFIERS
REVERSE VOLTAGE -30 TO 60 Volts
FORWARD CURRENT -8.0 Amperes
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 ambient temperature unless otherwise specified
Single phase, half wave,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
R
FEATURES
Metal of silicon rectifier carrier conduction
Guard ring for transient protection
Low power loss, high efficiency
High current capacity, low VF
High surge capacity
Plastis package has UL flammability
classification 94V-0
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
MECHANICAL DATA
Case: TO-220A molded plastic
Polarity: Color band denotes cathode
Weight: 0.04 ounces,1.1 grams
Mounting: position: Any
TO-220A
.108
(2.75)
.413(10.5)
.374(9.5)
.153(3.9)
.146(3.7)
.270(6.9)
.230(5.8)
.610(15.5)
.583(14.8)
.157
(4.0)
.583(14.85)
.531(13.5)
0.28(0.7)
0.20(0.5)
.126
(3.2)
.051
(1.3)
.043(1.1)
.035(0.9)
.102(2.6)
.091(2.3)
.187(4.7)
.148(3.8)
.053(1.3)
.047(1.2)
.04 MAX
(1.0)
25 50 75 100 125 150 175
10
8
6
4
2
0
FIG. 1- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
CASE TEMPERATURE.
INSTANTANEOUS REVERSE CURRENT.(mA)
0 20 40 60 80 100 120 140
1000
100
10
1.0
0.1
0.01
FIG. 3- TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
Tj=100.
Tj=75
Tj=25
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
100
10
1.0
0.1
FIG.4- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE. VOLTS
INSTANTANEOUS FORWARD CURRENT,(A)
SB320 to SB845
SB850 to SB860
1 2 5 10 20 50 100
300
250
200
150
100
50
0
FIG. 2- MAXIMUM NON-PEPETITIVE
SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT
AMPERES
8.3ms Single Half-Sine-Wave
(JEDEC METHOD)
0.1 1 4 10 100
10000
1000
100
FIG. 5- TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, VOLTS
CAPACITANCE,(pF)
Tj=25 , f=1MHz
Tj=25
PULSE WIDTH 300us
2% DUTY CYCLE
