SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 60 Volts CURRENT 8.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICA TION
FEATURES
* Low switching noise
* Low forward voltage drop
* Low thermal resistance
* High current capability
* High surge capabitity
* High reliability
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
* Case: ITo-220A molded plastic
* Epoxy: Device has U L flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 2.24 grams
ISR820
THRU
ISR860
ITO-220A
MAXIMUM RATINGS
(At TA = 25oC unless otherwise noted)
ELECTRICAL CHARACTERISTICS
(At TA = 25oC unless otherwise noted)
NOTES : 1. Thermal Resistance Junction to Case.
2. Suffix “R” for Reverse Polarity.
Dimensions in inches and (millimeters)
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
2002-11
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at Derating Case Temperature
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 3)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps8.0
150
2.5
700
Amps
0
C/W
0
C
Storage Temperature Range
Rθ
JC
I
O
pF
Operating Temperature Range T
J
ISR820
20
-55 to + 150
-55 to + 150
0
C
ISR835ISR830 ISR840 ISR845 ISR850 ISR860
30 35 40 45 50 60
14 21 25 28 32 35 42
20 30 35 40 45 50 60
450
CHARACTERISTICS
Maximum Average Reverse Current
at Rated DC Blocking Voltage
V
F
SYMBOL
I
R
mAmps
Maximum Instantaneous Forward Voltage at 8.0A DC Volts
5.0
50
@T
C
= 25
o
C
@T
C
= 100
o
C
.65
mAmps
UNITSISR820 ISR835ISR830 ISR840 ISR845 ISR850 ISR860
.75
.138(3.5)
.406(10.3)
.114(2.9)
.055(1.4)
.382(9.7)
.098(2.5)
.039(1.0)
.169(4.3)
.110(2.8)
.602(15.3)
.035(0.9)
.108(2.75)
.091(2.30)
.020(0.5)
.579(14.7)
.031(0.8)
.016 (0.4)
.185(4.7)
.122(3.1)
.154 (3.9)
.138 (3.5)
.071(1.8)
.055(1.4) .531(13.5)
.492(12.5)
.114(2.9)
.098(2.5)
.134(3.4)
.04MAX.
(1.0)
RECTRON
RATING AND CHARACTERISTIC CURVES ( ISR820 THRU ISR860 )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
CASE TEMPERATURE, ( )
0 50 100 150
10
8
6
4
2
0
Single Phase Half Wave
60Hz Inductive or
Resistive Load
ISR820~ISR845
ISR850~ISR860
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
REVERSE VOLTAGE, ( V )
4000
2000
1000
800
600
400
200
100.1 .4 1.0 4 10 40 80100
ISR820~ISR845
ISR850~ISR860
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (mA)
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
10
1.0
.1
.01
.001 200 40 60 80 100 120 140
TC = 150
TC = 125
TC = 75
TC = 25
ISR820~ISR845
ISR850~ISR860
ISR820~ISR845
ISR850~ISR860
FIG. 5 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD VOLTAGE, (V)
50
10
1.0
0.1.1 .2 .3 .4 .5 .6 .7 .8 .9 1.0
TJ = 25
Pulse Width=300uS
1% Duty Cycle
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
155
150
145
140
135
130
1251 2 5 10 20 50 100
8.3ms Single Half Sine-Wave
(JEDED Method)
