ST54BF THRU ST510BF
Reverse Voltage - 40 to 100 Volts
Forward Current - 5.0 Ampere
SURFACE MOUNT TRENCH SCHOTTKY RECTIFIER
Features
SMBF
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Metal silicon junction,majority carrier conduction
High efficiency operation
Ultra low forward voltage drop,low power losses
High forward surge current capability
0.146(3.70)
0.138(3.50)
0.086 (2.20)
0.075 (1.90)
0.173(4.40)
0.165(4.20)
High temperature soldering guaranteed:
260°C/10 seconds,0.375” (9.5mm) lead length, 5
lbs. (2.3kg) tension
0.051(1.30)
0.043(1.10)
0.010(0.26)
0.007(0.18)
0.048(1.20)
0.031(0.80)
Mechanical Data
0.216(5.50)
0.200(5.10)
Case : JEDEC SMBF Molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity : Polarity symbol marking on body
Mounting Position : Any
Weight : 0.002ounce, 0.057 grams
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
Ratings at 25°C ambient temperature unlss otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
Parameter
ST54BF
ST56BF
ST510BF
MDD
ST54BF
MDD
ST56BF
MDD
ST510BF
VRMM
40
60
100
V
VRMS
28
42
70
V
VDC
40
60
100
V
SYMBOLS
Marking Code
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 sinewave
I(AV)
A
5.0
IFSM
80
VF
0.45
UNITS
60
A
superimposed onrated load (JEDEC Method)
Maximum instantaneous forward voltage at 5.0A
Maximum DCreverse current
at rated DCblocking voltage
TA=25℃
TA=125℃
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range
Operating storage temperaturerange
0.10
IR
0.50
0.60
V
0.03
0.02
10.0
mA
20.0
CJ
500
pF
RJA
68.0
℃/W
TJ
TSTG
-55 to +125
-55 to +150
-55 to +150
℃
℃
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
http://www.microdiode.com
Rev:2024A1
Page :1
ST54BF THRU ST510BF
Reverse Voltage - 40 to 100 Volts
Forward Current - 5.0 Ampere
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
Ratings And Characteristic Curves
5
P.C.B mounted on
2.0*2.0"(5.0*5.0cm)
copper pad areas
4
3
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
2
ST54BF
ST56BF-ST510BF
1
0
0
25
50
75
100
125
150
175
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
120
100
ST54BF
ST56BF-ST510BF
80
60
40
20
0
8.3ms SINGLE HALF SINE-WAVE
1
10
LEAD TEMPERATURE, C
20
10
TJ=25 C
PULSE WIDTH=300 µs
2%DUTY CYCLE
0.1
ST54BF
ST56BF
ST510BF
0.01
0.0
0.2
0.4
0.6
0.8
0.9
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MILLAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
1
100
10
TJ=100 C
1
TJ=75 C
0.1
TJ=25 C
0.01
0.001
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
0
20
40
60
80
100
2000
1000
100
TJ=25 C
TRANSIENT THERMAL IMPEDANCE,
C/W
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
100
NUMBER OF CYCLES AT 60 Hz
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1
1
10
100
10
0.1
1.0
10
REVERSE VOLTAGE,VOLTS
100
t,PULSE DURATION,sec.
The curve above is for reference only.
http://www.microdiode.com
Rev:2024A1
Page :2
ST54BF THRU ST510BF
Reverse Voltage - 40 to 100 Volts
Forward Current - 5.0 Ampere
Packing information
P0
P1
unit:mm
d
E
Item
Symbol
Tolerance
SMBF
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
A
B
C
d
D
D1
D2
E
F
P
P0
P1
T
W
Reel width
W1
0.1
0.1
0.1
0.05
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
3.81
5.61
1.60
1 50
.
330.00
50.00
13.00
1.75
5.50
4.00
4.00
2.00
0.30
12.00
12.30
F
B
A
W
P
D2
D1
T
C
W1
D
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
Reel packing
PACKAGE
REEL SIZE
REEL
(pcs)
COMPONENT
SPACING
(mm)
BOX
(pcs)
INNER
BOX
(mm)
REEL
DIA,
(mm)
SMBF
13"
5,000
4.0
10,000
190*190*41
330
CARTON
SIZE
(mm)
365*365*360
CARTON
(pcs)
80,000
APPROX.
GROSS WEIGHT
(kg)
14.0
Suggested Pad Layout
http://www.microdiode.com
Symbol
Unit (mm)
A
2.54
0.100
B
0.071
C
1.8
4.8
0.189
D
3.0
0.118
E
6.6
0.260
Unit (inch)
Rev:2024A1
Page :3
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