MMBD4148
SURFACE MOUNT FAST SWITCHING DIODE
Features
●
●
●
SOT-23
Dim
A
L
Top View
3
High Conductance
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Application
Plastic Material – UL Recognition Flammability
Classification 94V-O
Min
2.800
1.200
0.890
0.370
1.780
0.013
0.085
0.450
0.890
2.100
0.450
Max
3.040
1.400
1.110
0.500
2.040
0.100
0.177
0.600
1.020
2.500
0.600
A
B
C
2
B S
1
●
●
D
G
H
J
K
J
V
G
C
D
H
K
L
S
V
Mechanical Data
●
●
●
●
●
Case: SOT-23, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mounting Position: Any
@T
A
=25°C unless otherwise specified
Symbol
V
RM
V
RRM
V
RWM
V
R
I
F
I
O
@ t < 1.0µs
I
FSM
P
d
R
JA
All Dimension in mm
3
1
2
Marking : A2
Maximum Ratings
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Peak Forward Surge Current (Note 1)
Power Dissipation (Note 1)
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Value
100
75
300
200
2.0
350
357
-65 to +150
Unit
V
V
mA
mA
A
mW
°C/W
°C
T
j
, T
STG
Electrical Characteristics
Characteristic
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
@ T
A
= 25 C unless otherwise specified
Symbol
V
(BR)R
V
FM
Min
75
0.715
0.855
1.0
1.25
1.0
50
30
25
2.0
4.0
Max
Unit
V
V
A
A
A
nA
pF
ns
I
F
=
I
F
=
I
F
=
I
F
=
V
R
V
R
V
R
V
R
V
R
Test Condition
I
R
= 100 A
1.0mA
10mA
50mA
150mA
75V
75V, T
j
= 150 C
25V, T
j
= 150 C
20V
0, f = 1.0MHz
Leakage Current (Note 2)
Total Capacitance
Reverse Recovery Time
Notes:
I
RM
C
T
t
rr
=
=
=
=
=
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100
1. Device mounted on glass epoxy PCB 1.6” x 1.6” x0.06”; mounting pad for the cathode lead min.. 0.93in
2. Short duration test pulse used to minimize self-heating effect.
RATINGS AND CHARACTERISTIC CURVES
820
Ω
+10 V
2.0 k
100
µH
0.1
µF
DUT
50
Ω
Output
Pulse
Generator
50
Ω
Input
Sampling
Oscilloscopes
VR
90%
IR
Input Signal
IR(REC) = 1.0 mA
Output Pulse
(IF = IR = 10 mA; Measured
at IR(REC) = 1.0 mA)
IF
0.1
µF
tr
10%
tp
t
IF
trr
t
MMBD4148
Notes: 1. A 2.0 k
Ω
variable resistor adjusted for a Forward Current (IF) of 10 mA.
Notes:
2. Input pulse is adjusted so IR(peak) is equal to 10 mA.
Notes:
3. tp » trr
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
500
See Note 1
1000
P
d
, POWER DISSIPATION (mW)
400
300
100
T
A
= +150°C
200
T
A
= +125°C
10
T
A
= +75°C
T
A
= +25°C
T
A
= -25°C
600
800
1000
1200
100
0
0
100
200
0.1
400
T
A
, AMBIENT TEMPERATURE, (°C)
Fig. 1 Power Derating Curve
10
V
F
, INSTANTANEOUS FORWARD VOLTAGE (mV)
Fig. 2, Typical Forward Characteristics
I
F
, INSTANTANEOUS REVERSE CURRENT (
µ
A)
1
V
R
= 75V
V
R
= 20V
0.1
0.01
0.001
0.0001
0
50
100
150
200
T
j
, JUNCTION TEMPERATURE (
°C
)
Fig. 3, Typical Reverse Characteristics
Wireless Connectivity
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