CHENMKO ENTERPRISE CO.,LTD
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 - 40 Volts
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* Metal Silicon junction, majority carrier conduction
* Low power loss,high efficiency
* High current capability, low forward voltage drop
* Guardring for overvoltage protection
* For use in low voltage, high frequency inverters, free
wheeling, and polarity protection applications
* High temperature soldering in accordance with
CECC 802 / Reflow guaranteed
S20P20PT
THRU
S20P40PT
CURRENT 20 Amperes
DPAK
.059 (1.50)
.051 (1.30)
.094 (2.40)
.086 (2.20)
.022 (0.55)
.017 (0.45)
.244 (5.70)
.208 (5.30)
MECHANICAL DATA
Case:
JEDEC DPAK molded plastic
Terminals:
Lead solderable per MIL-STD-750,
Method 2026
Polarity:
As marked
Weight:
1.7 grams ( Approximately )
.113 (2.80)
.087 (2.20)
.181 (4.60)
.263 (6.70)
.248 (6.30)
.027 (0.70)
.019 (0.50)
.035 (0.90)
.023 (0.60)
.394 (10.00)
.354 (9.00)
.015 (0.381)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 H
Z
, resistive or inductive load.
For capacitive load, derate current by 20%.
PIN 1
K - HEATSINK
PIN 2
.059 (1.50)
.035 (0.90)
Dimensions in inches and (millimeters)
DPAK
UNITS
Volts
Volts
Volts
Amps
Amps
MAXIMUM RATINGES
( At T
A
= 25 C unless otherwise noted )
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical thermal resistance per leg ( NOTE 1 )
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
S20P20PT
20
14
20
S20P30PT
30
21
30
20.0
150
S20P40PT
40
28
40
o
R
JC
2.0
o
C/W
Operating and Storage Temperature Range
T
J
, T
STG
-40 to +125
o
C
ELECTRICAL CHARACTERISTICS
( At T
A
= 25
o
C unless otherwise noted )
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 10.0 A DC
Maximum instantaneous reverse current at
rated DC blocking voltage per leg ( NOTE 2 )
T
C
= 25
o
C
I
R
T
C
= 100
o
C
50
mAmps
SYMBOL
V
F
S20P20PT
S20P30PT
0.55
1.0
S20P40PT
UNITS
Volts
mAmps
ERISTIC CURVES ( S20P20PT THRU S20P40PT )
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
175
150
125
100
75
50
25
0
8.3 ms Single Half
Sine-Wave (JEDEC Method)
NT DERATING CURVE
PEAK FORWARD SURGE CURRENT, (A)
100
o
125
150
0
2
4
6 8 10
20
40
60 80 100
RE, ( C )
NUMBER OF CYCLES AT 60H
Z
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS REVERSE CURRENT, (mA)
4
T
J
= 100
o
C
EOUS FORWARD
ICS
1.0
0.4
0.1
.04
T
J
= 25 C
o
PULSE WIDTH=300uS
1% DUTY CYCLE
.01
0.6
0.7
0.8
0.9
1
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
D VOLTAGE, (V)
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
0
T
J
=25 C
o
0
0
.1
.4
1.0
4
10
40
80
REVERSSE VOLTAGE, ( V )
Analog electronics
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