DS30240 Rev. B-2
1 of 2
B340LA/B
B340LA/B
3.0A LOW VF SCHOTTKY BARRIER RECTIFIER
Features
Very Low Forward Voltage Drop
Guard Ring Die Construction for Transient
Protection
Ideally Suited for Automatic Assembly
Low Power Loss, High Efficiency
Surge Overload Rating to 70A Peak
Plastic Material - UL Flammability
Classification 94V-0
Mechanical Data
Case: Molded Plastic
Terminals: Solder Plated Terminal -
Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band or Cathode Notch
Approx. Weight: SMA 0.064 grams
SMB 0.093 grams
Marking: Type Number
Single phase, half wave, 60Hz, resistive or inductive load unless otherwise noted.
For capacitive load, derate current by 20%.
A
B
C
D
G
H
E
J
Characteristic
Symbol
B340LA/B
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40
V
RMS Reverse Voltage
V
R(RMS)
28
V
Average Rectified Output Current (Note 1) T
L
= 90C
I
O
3.0
A
Non-Repetitive Peak Forward Surge Current, single
sine-wave superimposed on rated load, 60Hz
I
FSM
70
A
Operating and Storage Temperature Range
T
j, TSTG
-40 to +125
C
Notes:
1. When mounted on alumina substrate, 180 half sine wave.
2. Short duration test pulse used to minimize self-heating effect.
Characteristic
Symbol
Min
Typ
Max
Unit
Conditions
Reverse Breakdown Voltage (Note 2)
V
(BR)R
40
I
R
= 2.0mA
Forward Voltage Drop (Note 2)
V
FM
0.310
0.350
0.450
V
I
F
= 1.0A
I
F
= 3.0A
Leakage Current (Note 2)
I
RM
150
uA
V
R
= 15V
V
R
= 20V
V
R
= 40V
1.0
2.0
mA
Typical Junction Capacitance
C
j
180
pF
f = 1MHz, V
R
= 4.0VDC
Typical Thermal Resistance, Junction to Terminal
R
qJT
25
C/W
Mounted on alumina substrate
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
NEW
PRODUCT
SMA
SMB
Dim
Min
Max
Min
Max
A
2.29
2.92
3.30
3.94
B
4.00
4.60
4.06
4.57
C
1.27
1.63
1.96
2.21
D
0.15
0.31
0.15
0.31
E
4.80
5.59
5.00
5.59
G
0.10
0.20
0.10
0.20
H
0.76
1.52
0.76
1.52
J
2.01
2.62
2.00
2.62
All Dimensions in mm
"A" Suffix Designates SMA Package
"B" Suffix Designates SMB Package
DS30240 Rev. B-2
2 of 2
B340LA/B
NEW
PRODUCT
0.1
1.0
10
100
0
0.2
0.4
0.6
0.8
1.0
I
,
INST
ANT
ANEOUS
FOR
W
A
RD
CURRENT
(A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T = 25C
A
T = 125C
A
T = 100C
A
0
0.5
1.0
25
50
75
100
125
150
I
A
VERAGE
F
OR
W
A
RD
CURRENT
(A)
O,
T , TERMINAL TEMPERATURE ( C)
Fig. 1 Forward Current Derating Curve
T
1.5
2.0
2.5
3.0
10
100
1000
0.1
1
10
100
C
,
JUNCTION
CAP
ACIT
ANCE
(pF)
j
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
T = 25C
f = 1 MHz
j
0
20
40
60
80
100
1
10
100
I
,
PEAK
FOR
W
ARD
SURGE
CURRENT
(A)
F
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
Single Half-Sine-Wave
(JEDEC Method)
T = 100C
T
10
0
20
30
40
I
,
INST
ANT
ANEOUS
REVERSE
CURRENT
(mA)
R
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 5 Typical Reverse Characteristics
R
T = 125C
A
T = 100C
A
T = 25C
A
100
10
1.0
0.1
0.01
1000
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