MBRA140T3
Surface Mount
Schottky Power Rectifier
SMA Power Surface Mount Package
. . . employing the Schottky Barrier principle in a large area
metal–to–silicon power diode. State of the art geometry features
epitaxial construction with oxide passivation and metal overlay
contact. Ideally suited for low voltage, high frequency rectification, or
as free wheeling and polarity diodes in surface mount applications
where compact size and weight are critical to the system.
• Small Compact Surface Mountable Package with J–Bent Leads
• Rectangular Package for Automated Handling
• Highly Stable Oxide Passivated Junction
• Very Low Forward Voltage Drop
• Guardring for Stress Protection
Mechanical Characteristics:
• Case: Epoxy, Molded
• Weight: 70 mg (approximately)
• 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
• Shipped in 12 mm tape, 5000 units per 13 inch reel
• Polarity: Cathode Lead Indicated by Either Notch in Plastic Body or
Polarity Band
• Marking: B14
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SCHOTTKY BARRIER
RECTIFIER
1.0 AMPERES
40 VOLTS
SMA
CASE 403D
PLASTIC
MARKING DIAGRAM
B14
B14 = Device Code
MAXIMUM RATINGS
Rating Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current
(At Rated VR, TC = 95°C)
Peak Repetitive Forward Current
(At Rated VR, Square Wave,
20 kHz, TC = 100°C)
Non–Repetitive Peak Surge Current
(Surge Applied at Rated Load
Conditions Halfwave, Single
Phase, 60 Hz)
Storage/Operating Case
Temperature
Operating Junction Temperature T
Voltage Rate of Change
(Rated VR, TJ = 25°C)
Semiconductor Components Industries, LLC, 2002
April, 2002 – Rev. 5
V
RRM
V
RWM
V
R
I
O
I
FRM
I
FSM
T
, TC–55 to +150 °C
stg
J
dv/dt 10,000 V/s
40 V
1.0 A
2.0 A
30 A
–55 to +125 °C
1 Publication Order Number:
ORDERING INFORMATION
Device Package Shipping
MBRA140T3 SMA 5000/Tape & Reel
MBRA140T3/D
MBRA140T3
Maxi
)
Maxi
t
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance — Junction–to–Lead (Note 1.)
Thermal Resistance — Junction–to–Ambient (Note 1.)
ELECTRICAL CHARACTERISTICS
mum Instantaneous Forward Voltage (Note 2.
(IF = 1.0 A)
see Figure 2 for other Values (IF = 2.0 A)
mum Instantaneous Reverse Curren
(VR = 40 V)
see Figure 4 for other Values (VR = 20 V)
1. Mounted on 2″ Square PC Board with 1″ Square Total Pad Size, PC Board FR4.
2. Pulse Test: Pulse Width ≤ 250 µs, Duty Cycle ≤2.0%.
Symbol Value Unit
R
R
θJL
θJA
V
I
R
35
86
F
TJ = 25°C TJ = 100°C
0.55
0.71
TJ = 25°C TJ = 100°C
0.5
0.1
0.505
0.74
10
4.0
°C/W
Volts
mA
10
T
1.0
, INSTANTANEOUS FORWARD CURRENT (AMPS)
0.1
F
i
100E-3
10E-3
1.0E-3
J
T
= 125°C
J
0 0.2 0.4
vF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
10
= 85°C
T
= 25°C
J
T
= -40°C
J
0.6 0.8 1.0 0.6 0.80.2
1.2 1.2
1.0
T
= 85°C
J
T
T
= 125°C
J
0.1
, INSTANTANEOUS FORWARD CURRENT (AMPS)
F
I
VF, MAXIMUM INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
= 25°C
J
0.4 1.00
Figure 1. Typical Forward Voltage Figure 2. Maximum Forward Voltage
100E-3
T
= 125°C
J
T
= 85°C
J
10E-3
1.0E-3
T
J
= 85°C
100E-6
, REVERSE CURRENT (AMPS)
10E-6
R
I
1.0E-6
T
= 25°C
100E-6
T
= 25°C
J
0
10 20
VR, REVERSE VOLTAGE (VOLTS)
30
10E-6
, MAXIMUM REVERSE CURRENT (AMPS)
R
I
1.0E-6
40 40
0
10 20 30
VR, REVERSE VOLTAGE (VOLTS)
J
Figure 3. Typical Reverse Current Figure 4. Maximum Reverse Current
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2
MBRA140T3
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
, AVERAGE FORWARD CURRENT (AMPS)
O
I
0
1.0E+0
100E-3
, AVERAGE POWER DISSIPATION (WATTS)
FO
P
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Ipk/Io =
Ipk/Io = 5
Ipk/Io = 10
Ipk/Io = 20
0.2 1.00
IO, AVERAGE FORWARD CURRENT (AMPS)
0.6
SQUARE WAVE
dc
SQUARE WAVE
Ipk/Io =
Ipk/Io = 5
Ipk/Io = 10
Ipk/Io = 20
20 1000
60
40 80 0.4 0.8 1.4
T
, LEAD TEMPERATURE (°C)
L
FREQ = 20 kHz
120 140
Figure 5. Current Derating Figure 6. Forward Power Dissipation
T, TIME (s)
dc
1.2 1.6
10E-3
1.0E-3
100E-6
, TRANSIENT THERMAL RESISTANCE (NORMALIZED)
(T)
R
100E-610E-6
100E-310E-3 10E+0 100E+0 1.0E+3
T, TIME (s)
1.0E+01.0E-3
Figure 7. Thermal Response
1000
100
10
C, CAPACITANCE (pF)
1.0
T
= 25°C
J
5.0 300
1510
20
25 35
VR, REVERSE VOLTAGE (VOLTS)
40
Figure 8. Capacitance
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3
MBRA140T3
PACKAGE DIMENSIONS
SMA
CASE 403D–02
ISSUE A
S
A
DB
POLARITY INDICATOR OPTIONAL
AS NEEDED
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 403D-01 OBSOLETE, NEW STANDARD IS
403D-02.
DIM MIN MAX MIN MAX
A 0.160 0.180 4.06 4.57
B 0.090 0.115 2.29 2.92
C 0.075 0.095 1.91 2.41
D 0.050 0.064 1.27 1.63
H 0.002 0.006 0.05 0.15
J 0.006 0.016 0.15 0.41
K 0.030 0.060 0.76 1.52
S 0.190 0.220 4.83 5.59
MILLIMETERSINCHES
C
K
J
H
0.157
4.0
0.0787
2.0
0.0787
2.0
inches
mm
SMA FOOTPRINT
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MBRA140T3/D
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