SR540L
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 40 Volts
Forward Current - 5.0 Amperes
DO-201AD
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Construction utilizes void-free
molded plastic technique
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375
”
(9.5mm) lead length,
5 lbs. (2.3kg) tension
1.0 (25.4)
MIN.
0.210 (5.6)
0.197 (5.0)
DIA.
0.375 (9.50)
0.285(7.20)
MECHANICAL DATA
1.0 (25.4)
MIN.
0.052 (1.3)
0.048 (1.2)
DIA.
Dimensions in inches and (millimeters)
Case:
JEDEC DO-201AD molded plastic body
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:0.04
ounce, 1.10 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length(see fig.1)
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 5.0A
Maximum DC reverse current
T
A
=25 C
at rated DC blocking voltage
T
A
=100 C
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range
Storage temperature range
SYMBOLS
SR540L
40
28
40
5.0
UNITS
VOLTS
VOLTS
VOLTS
Amps
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
C
J
R
θ
JA
T
J
,
T
STG
150.0
0.45
0.5
20.0
500
25.0
-50 to +150
-50 to +150
Amps
Volts
mA
pF
C/W
C
C
Note:1.Measured
at 1MHz and applied reverse voltage of 4.0V D.C.
2.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
RATINGS AND CHARACTERISTIC CURVES SR540L
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
5
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
150
4
125
3
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
100
2
75
1
50
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
0
25
50
75
100
125
150
175
25
1
10
100
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
10
TJ=100 C
1
T
J
=25 C
PULSE WIDTH=300
µs
2%DUTY CYCLE
1
TJ=75 C
0.1
0.1
0.01
0.2
0.4
0.6
0.8
1.0
1.1
0.01
TJ=25 C
0.001
0
20
40
60
80
100
TRANSIENT THERMAL IMPEDANCE,
C/W
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF PEAK REVERSE VOLTAGE,%
JUNCTION CAPACITANCE, pF
FIG. 5-TYPICAL JUNCTION CAPACITANCE
2000
1000
T
J
=25 C
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
100
1
0.1
0.01
0.1
1
10
100
10
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
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