ON Semiconductor MBR120LSFT1 Technical data
MBR120LSFT1
Surface Mount
Schottky Power Rectifier
Plastic SOD–123 Package
...using the Schottky Barrier principle with a large area
metal–to–silicon power diode. Ideally suited for low voltage, high
frequency rectification or as free wheeling and polarity protection
diodes in surface mount applications where compact size and weight
are critical to the system. This package also provides an easy to work
with alternative to leadless 34 package style. Because of its small size,
it is ideal for use in portable and battery powered products such as
cellular and cordless phones, chargers, notebook computers, printers,
PDAs and PCMCIA cards. Typical applications are ac/dc and dc–dc
converters, reverse battery protection, and “Oring” of multiple supply
voltages and any other application where performance and size are
critical. These state–of–the–art devices have the following features:
• Guardring for Stress Protection
• Low Forward Voltage
• 125°C Operating Junction Temperature
• Epoxy Meets UL94, V0 at 1/8″
• Package Designed for Optimal Automated Board Assembly
• ESD Ratings: Machine Model, C
ESD Ratings: Human Body Model, 3B
Mechanical Characteristics
• Reel Options: MBR120LSFT1 = 3,000 per 7″ reel/8 mm tape
Reel Options: MBR120LSFT3 = 10,000 per 13″ reel/8 mm tape
• Device Marking: L2L
• Polarity Designator: Cathode Band
• Weight: 11.7 mg (approximately)
• Case: Epoxy, Molded
• Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
• Lead and Mounting Surface Temperature for Soldering Purposes:
260°C Max. for 10 Seconds
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SCHOTTKY BARRIER
RECTIFIER
1.0 AMPERES
20 VOLTS
SOD–123FL
CASE 498
PLASTIC
DEVICE MARKING
D
L2L
L2L = Specific Device Code
D = Date Code
ORDERING INFORMATION
Device Package Shipping
MBR120LSFT1 SOD–123FL
3000/Tape & Reel
Semiconductor Components Industries, LLC, 2002
October, 2002 – Rev. 1
MBR120LSFT3 SOD–123FL 10,000/Tape & Reel
1 Publication Order Number:
MBR120LSFT1/D
MBR120LSFT1
MAXIMUM RATINGS
Rating Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current (At Rated VR, TL = 115°C) I
Peak Repetitive Forward Current
(At Rated V
, Square Wave, 100 kHz, TL = 110°C)
R
Non–Repetitive Peak Surge Current
(Non–Repetitive peak surge current, halfwave, single phase, 60 Hz)
Storage Temperature T
Operating Junction Temperature T
Voltage Rate of Change (Rated VR, TJ = 25°C) dv/dt 10,000 V/s
THERMAL CHARACTERISTICS
Thermal Resistance – Junction–to–Lead (Note 1)
Thermal Resistance – Junction–to–Lead (Note 2)
Thermal Resistance – Junction–to–Ambient (Note 1)
Thermal Resistance – Junction–to–Ambient (Note 2)
1. Mounted with minimum recommended pad size, PC Board FR4.
2. Mounted with 1 in. copper pad (Cu area 700 mm
2
).
V
V
I
I
RRM
RWM
V
R
O
FRM
FSM
stg
J
R
tjl
R
tjl
R
tja
R
tja
20 V
1.0 A
2.0 A
50 A
–55 to 150 °C
–55 to 125 °C
26
21
325
82
°C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (Note 3), See Figure 2
(IF = 0.1 A)
(I
= 1.0 A)
F
= 3.0 A)
(I
F
Maximum Instantaneous Reverse Current (Note 3), See Figure 4
(VR = 20 V)
(V
= 10 V)
R
3. Pulse Test: Pulse Width ≤ 250 µs, Duty Cycle ≤2%.
10
TJ = 85°C
1.0
TJ = 125°C
TJ = 25°C
10
1.0
TJ = 85°C
V
F
I
R
TJ = 125°C
TJ = 25°C TJ = 85°C
0.34
0.45
0.65
0.26
0.415
0.67
TJ = 25°C TJ = 85°C
0.40
0.10
25
18
V
mA
0.1
0.1
, INSTANTANEOUS FORWARD CURRENT (AMPS)
F
i
, INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
v
F
Figure 1. Typical Forward Voltage Figure 2. Maximum Forward Voltage
TJ = –40°C
0.70.3 0.5 0.9
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0.1
0.1
, INSTANTANEOUS FORWARD CURRENT (AMPS)
F
, MAXIMUM INSTANTANEOUS FORWARD VOLTAGE
V
I
F
2
TJ = 25°C
0.70.3 0.5 0.9
(VOLTS)
MBR120LSFT1
100E–3
10E–3
1.0E–3
100E–6
10E–6
, REVERSE CURRENT (AMPS)
R
I
1.0E–6
5.0 10 15
V
, REVERSE VOLTAGE (VOLTS)
R
Figure 3. Typical Reverse Current Figure 4. Maximum Reverse Current
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
, AVERAGE FORWARD CURRENT (AMPS)
O
I
4525
65 125
TL, LEAD TEMPERATURE (°C)
TJ = 125°C
TJ = 85°C
TJ = 25°C
dc
freq = 20 kHz
SQUARE
WAVE
Ipk/Io =
Ipk/Io = 5
= 10
I
pk/Io
Ipk/Io = 20
85 105 145
1.0E+0
100E–3
10E–3
1.0E–3
100E–6
10E–6
, MAXIMUM REVERSE CURRENT (AMPS)
R
200
I
5.0 10 15
VR, REVERSE VOLTAGE (VOLTS)
0.7
0.6
0.5
Ipk/Io = 5
Ipk/Io = 10
0.4
Ipk/Io = 20
0.3
0.2
0.1
0
, AVERAGE POWER DISSIPATION (WATTS)
FO
P
0.20
0.6 1.4
IO, AVERAGE FORWARD CURRENT (AMPS)
TJ = 85°C
TJ = 25°C
Ipk/Io =
1.00.4 0.8 1.2 1.6
SQUARE
WAVE
200
dc
Figure 5. Current Derating
Figure 6. Forward Power Dissipation
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