- 138 -
.071(1.8)
MAX
.161(4.1)
.146(3.7)
.118(3.00)
.124(3.16)
.185(4.7)
.173(4.4)
.272(6.9)
.248(6.3)
.063(1.6)
MAX
.100(2.55)
.543(13.8)
.512(13.2)
.100(2.55)
.110(2.8)
.098(2.5)
.606(15.5)
.583(14.8)
.112(2.85)
.100(2.55)
.406(10.3)
.390(9.90)
.134(3.4)DIA
.113(3.0)DIA
2
PIN 1
PIN 2
Case Positive
CASE
SRAF1020 THRU SRAF1090
Isolation 10.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 90 Volts
Current
10.0 Amperes
Features
Low
forward
voltage
drop
High current capability
High
reliability
High surge current capability
Mechanical Data
Cases: ITO-220AC molded plastic
Epoxy: UL 94V-O rate flame retardant
Terminals: Lead solderable per MIL-STD-202,
Method 208 guaranteed
Polarity: As marked
High temperature soldering guaranteed:
260
O
C/10 seconds/ .25",(6.35mm) from
case.
Weight: 2.24 grams
Mounting torque: 5 in 1bs. max.
ITO-220AC
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 SRAF
1020
SRAF
1030
SRAF
1040
SRAF
1050
SRAF
1060
SRAF
1090
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
90 V
Maximum RMS Voltage
V
RMS
14
21
28
35
42
63 V
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
90 V
Maximum Average Forward Rectified Current
@Tc=110
I
(AV)
10.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
I
FSM
250 A
Maximum Instantaneous Forward Voltage
10.0A
V
F
0.55 0.70
0.75
V
Maximum D.C. Reverse Current @ Tc=25
at Rated DC Blocking Voltage @ Tc=100
I
R
1.0
50
mA
mA
Typical Thermal Resistance (Note 1)
R
JC
4.0
/W
Typical Junction Capacitance (Note 2)
Cj
420 280
165
pF
Operating Junction Temperature Range
T
J
-65 to +125
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes: 1. Thermal Resistance from Junction to Case Per Leg
2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C.
3. Mounted on Heatsink Size of 2 in x 3 in x 0.25 in Al-Plate.
- 139 -
RATINGS AND CHARACTERISTIC CURVES (SRAF1020 THRU SRAF1090)
FIG.3- TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
m
A
)
0
20
40
60
80
100
120
140
.001
.01
.10
1.0
10
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=100 C
0
Tj=25 C
0
Tj=75 C
0
FIG.1- FORWARD CURRENT DERATING CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
0
50
100
150
10
8
6
4
2
0
CASE TEMPERATURE. ( C)
o
SRAF1050-1090
SRAF1020-1040
FIG.2- MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
2
5
10
20
100
50
50
150
100
200
250
300
NUMBER OF CYCLES AT 60Hz
8.3ms SINGLE HALF SINE WAVE
PER LEG. (JEDEC METHOD)
Tj=Tj max.
FIG.4- TYPICAL FORWARD CHARACTERISTICS
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
.2
.3
.4
.5
.6
.7
.8
.9
0.1
1.0
10
100
INSTANTANEOUS FORWARD VOLTAGE. (V)
SRAF1050-1060
SRAF1020-1040
Tj=25 C
PULSE WIDTH-300 S
1% DUTY CYCLE
0
FIG.5- TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
ACIT
ANCE.(pF)
0.1
1.0
10
100
100
1000
4000
REVERSE VOLTAGE. (V)
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
0
SRAF1090
SRAF1020-40
SRAF1090
500
SRAF1050-60
0
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