SR2020 THRU SR20100
20 A Schottky Barrier Rectifiers
UPM
Voltage Range 20 to 100 Volts
Current 20.0 Amperes
Features
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
Mechanical Data
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight:2.24 grams
.108
(2.75)
TO-220
.412
(10.5)
MAX.
3.8 +.2
HOLE THRU
.248
(6.3) .595
(15.1)
MAX.
.180
(4.6)
.050
(1.27)
.051
(1.3)
MAX.
.040
(1.0)
MAX.
.100
(2.54)
.550
.158
(4.0)
(14.0)
MIN.
MAX.
PIN 1
+
PIN 3
CASE
PIN 2
Positive CT
Suffix "C"
.120
(3.05)
PIN 1
PIN 3
CASE
PIN 2
Negative CT
Suffix "A"
Dimensions in inchesand (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25oC ambient temperature unless otherwise specified Single phase, half wave,
60 Hz, resistive or inductive load. For capacitive load, derate current by 20%
Type Number
SR2020 SR2030 SR2040 SR2050 SR2060 SR2080 SR20100 Units
Maximum Recurrent Peak Reverse Voltage
20 30 40 50 60 80 100 v
Maximum RMS Voltage
14 21 28 35 42 56 70 v
Maximum DC Blocking Voltage
20 30 40 50 60 80 100 v
Maximum Average Forward Rectified CurrentSee Fig. 1
20 A
Peak Forward Surge Current, 8.3 ms SingleHalf
Sinewave -Superimposed on Rated Loadmethod
(JEDEC)
150 125 A
Maximum lnstantaneous Forward Voltage At 10.0A
0.60 0.75 0.90 V
Maximum D.C. Reverse Current @ TA=25oC
At Rated DC Blocking Voltage @ TA=100oC
Typical Junction Capacitance (Note 1)
1.0 mA
100 mA
700 460 280 pF
Typical Thermal Resistance R JA(Note 2)
Operating Junction Temperature RangeTJ
Storage Temperature Range TSTG
3.0
-50+125
-65+150
oC/W
oC
oC
Notes:
1. Measured at 1MHz and applied reverse voltage of 4.0Volts D.C.
2. Thermal Resistance Junction to Case
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E -mail:upm.tw@msa.hinet.net
