R
SEMICONDUCTOR
2-1
Notes: 1.Pulse test: 300 s pulse width,1% duty cycle
2.Thermal resistance from junction to case
FEATURES
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Case: JEDEC TO-263AB molded plastic body
Polarity: As marked
Any
Weight: 1 33 gram approximately
Terminals: Solderable per MIL-STD-202,method 208
Mounting Position:
.( )
(Ratings at 25 ambient temperature unless otherwise specified ,Single phase ,half wave ,resistive or inductive
load. For capacitive load,derate by 20%.)
℃
Plastic package has Underwriters Laboratory Flammability Classification 94V-0
Metal silicon junction ,majority carrier conduction
Guard ring for overvoltage protection
Low power loss ,high efficiency
High current capability ,Low forward voltage drop
Single rectifier construction
High surge capability
For use in low voltage ,high frequency inverters,
free wheeling ,and polarity protection applications
High temperature soldering guaranteed:2 0 /10 seconds,
0.25"(6.35mm)from case
6
Component in accordance to RoHS 2011 65 EU and
WEEE 2012 19 EU
℃
//
//
SR2045D1
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 45 Volts
Forward Current - 20Amperes
Maximum repetitive peak reverse voltage VRRM Volts
Volts
Volts
Volts
Amps
Amps
VRMS
VDC
I(AV)
IFSM
TSTG
VF
IR
R JC
Maximum RMS voltage
Maximum DC blocking voltage
Maximum instantaneous forward voltage
at 20.0 A
T =25℃
T =100℃
C
C
Typical thermal resistance (Note 2)
Storage temperature range
Maximum instantaneous reverse
current at rated DC blocking
voltage(Note 1)
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load
(JEDEC method)
-65 to+200
30.
250
50
°C/W
°C
°C
TJ
45
32
45
20.0
200 0.
Symbols
Units
Maximum average forward rectified current
See Fig 1.
0.190(4.83)
1
2
K
0.380(9.65)
0.420(10.67)
0.245(6.22)
MIN
0.560(14.22)
0.639(16.22)
0.027(0.686)
0.037(0.940)
0.095(2.41)
0.083(2.10)
0.320(8.13)
0.360(9.14)
0.090(2.29)
0.131(3.32)
0.134(3.40)
0.110(2.79)
0.018(0.46)
0.014(0.35)
0.045(1.14)
0.055(1.40)
0.047(1.19)
0.055(1.40)
0.160(4.06)
TO-263AB
D2PAK
Dimensions in inches and (millimeters)
JINAN JINGHENG ELECTRONICS CO., LTD.
HTTP://WWW.JINGHENG.
CN
SR
2045D1
A
055.
Operating junction temperature range
at reduced reverse voltage V <=80%V
R RRM
V <=50%VR RRM
in DC forward model
-65 to+150
-65 to+175
-65 to+200
mA
JF
SR2045D1
0.001
0.01
1
0.1
10
50
0
100
200
50
150
200 40 60 80 100
1 10 100
FIG.1-FORWARD CURRENT DERATING CURVE
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG.4-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT( AMPERES)
INSTANTANEOUS REVERSE CURRENT(mA)
PEAK FORWARD SURGE
CURRENT(AMPERES)
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
REVERSE VOLTAGE. VOLTS
T, PULSE DURATION ,sec.
PERCENT OF RATED PEAK REVERSE VOLTAGE%
NUMBER OF CYCLES AT 60Hz
T =T MAX
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
JJ
T =100J ℃
T =25
J ℃
T =75
J ℃
1
10
0.1
0.1
0.10.01
1
1
10
10
100
100
100
1000
4000
100
FIG.5-TYPICAL JUNCTION CAPACITANCE
FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE
JUNCTION CAPACITANCE(pF)
TRANSIENT THERMAL IMPEDANCE, C/ W
T =25
f=1.0MH
J
Z
℃
Vsig=50mVp-p
0.01
0.1
1
50
10
0
0.20.1
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
PULSE WIDTH=300 S
1% DUTY CYCLE
T =125 CJ °
T =25 C
J °
250
300
RATINGS AND CHARACTERISTIC CURVES SR2045D1
0 20 40 60 80 100 120 150
0
8.0
12.0
16.0
20.0
4.0
AVERAGE FORWARD CURRENT
AMPERES
CASE TEMPERATURE ( )℃
180 200
V <=80%VR RRM
V <=50%VR RRM
DC
2-2
JINAN JINGHENG ELECTRONICS CO., LTD.
HTTP://WWW.JINGHENG.
CN