SMD Switching Diode
MMBD4148
List
Formosa MS
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings and Electrical characteristics .................................. 2
Rating and characteristic curves........................................................ 3
Pinning information........................................................................... 4
Marking........................................................................................... 4
Suggested solder pad layout............................................................. 4
Packing information.......................................................................... 5
Reel packing.................................................................................... 6
Suggested thermal profiles for soldering processes............................. 6
High reliability test capabilities........................................................... 7
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2017/06/29
Revision
C
Page.
7
Page 1
DS-221931
SMD Switching Diode
MMBD4148
350mW Surface Mount Switching
Diode-100V
Features
•
Fast switching speed
•
For general purpose switching applications
•
High conductance
•
Lead-free parts meet RoHS requirments
•
Suffix "-H" indicates Halogen-free part, ex.MMBD4148-H
0.120 (3.04)
0.110 (2.80)
.084(2.10)
0.042 (1.05)
Formosa MS
Package Outline
SOT-23
0.034 (0.85)
0.020 (0.50)
(C)
.068(1.70)
(B)
(A)
Mechanical data
•
Epoxy:UL94-V0 rated flame retardant
•
Case : Molded plastic, SOT-23
•
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
0.063 (1.60)
0.047 (1.20)
0.108 (2.75)
0.083 (2.10)
0.027 (0.67)
0.013 (0.32)
0.007 (0.18)
0.012 (0.30)
0.003 (0.09)
0.051 (1.30)
0.035 (0.89)
•
Mounting Position : Any
•
Weight : Approximated 0.008 gram
Dimensions in inches and (millimeters)
Maximum ratings
PARAMETER
(AT T
A
=25
o
C unless otherwise noted)
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
D
R
θJA
T
J
T
STG
T
A
=25
o
C unless otherwise noted)
CONDITION
I
R
= 10
0μ
A
I
F
= 1 mA
I
F
= 10 mA
I
F
= 50 mA
I
F
= 150 mA
V
R
= 20V, T
J
=25 °C
V
R
= 75V, T
J
=25°C
V
R
=0,f=1MHz
I
F
=I
R
=10mA
Irr=0.1XI
R
,R
L
=100Ω
Symbol
V
(BR)R
MIN.
75
0.715
0.855
1.000
1.250
25
2.5
2.0
4.0
TYP.
MAX.
UNIT
V
V
nA
μA
pF
ns
Limit
100
75
53
300
150
2.0
350
357
-55 to +150
-55 to +150
o
UNIT
V
V
mA
mA
mA
A
mW
C/W
o
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward continuous current
Average rectified output current (note 1)
Non-repetitive peak forward surge current 8.3ms
Power dissipation (note 1)
Thermal resistance junction to ambient (note 1)
Operating junction temperature range
Storage temperature range
C
C
o
Electrical characteristics
(AT
PARAMETER
Reverse breakdown voltage
Forward voltage
V
F
Reverse leakage current
Capacitance between terminals
Reverse recovery time
I
R
C
T
t
rr
Note 1: Valid provided that electrodes are kept at ambient temperature.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2017/06/29
Revision
C
Page.
7
Page 2
DS-221931
Rating and characteristic curves (MMBD4148)
Forward
300
Characteristics
1000
Reverse
Characteristics
100
300
(mA)
(nA)
30
T
a
=100
℃
100
I
F
FORWARD CURRENT
10
REVERSE CURRENT I
R
T=
a
1
00
℃
T=
a
2
5
℃
30
3
10
1
T
a
=25
℃
0.3
3
0.1
0.0
1
0.4
0.8
1.2
1.6
0
20
40
60
80
FORWARD VOLTAGE
V
F
(V)
REVERSE VOLTAGE
V
R
(V)
Capacitance Characteristics
1.4
400
Power Derating Curve
T
a
=25
℃
f=1MHz
CAPACITANCE BETWEEN TERMINALS
C
T
(pF)
(mW)
POWER DISSIPAT ION
P
D
1.3
300
1.2
200
1.1
100
1.0
0
5
10
15
20
0
0
25
50
75
100
125
150
REVERSE VOLTAGE
V
R
(V)
AMBIENT TEMPERATURE
T
a
(
℃
)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2017/06/29
Revision
C
Page.
7
Page 3
DS-221931
SMD Switching Diode
MMBD4148
Formosa MS
Pinning information
Type number
MMBD4148
Marking code
KA2
(C)
Simplified outline Symbol
(A)
(B)
A
B
C
Suggested solder pad layout
SOT-23
0.037(0.95)
0.037(0.95)
0.079(2.0)
0.035(0.90)
0.031(0.80)
Dimensions in inches and (millimeters)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2017/06/29
Revision
C
Page.
7
Page 4
DS-221931
SMD Switching Diode
MMBD4148
Packing information
P
0
P
1
d
E
F
B
W
Formosa MS
A
P
D
2
T
C
D
W
1
D
1
unit:mm
Item
Symbol
Tolerance
SOT-23
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
7" Reel outside diameter
7" 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
Reel width
A
B
C
d
D
D
1
D
D
1
D
2
E
F
P
P
0
P
1
T
W
W
1
0.1
0.1
0.1
0.1
2.0
min
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
3.15
2.77
1.22
1.50
-
-
178.00
54.4
13.00
1.75
3.50
4.00
4.00
2.00
0.23
8.00
12.3
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2017/06/29
Revision
C
Page.
7
Page 5
DS-221931
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