MMBD4148
Surface Mount Switching Diode
Voltage Range
75 Volts
350m Watts Power Dissipation
Features
a
a
a
a
a
a
a
a
Fast switching speed
Surface mount package ideally suited for
automatic insertion
For general purpose switching applications
High conductance
Case: SOT-23, Molded plastic
Terminals: Solderable per MIIL-STD-202,
Method 208
Polarity: See diagram
Marking: KA6, KA2, K5D
Weight: 0.008 gram (approx.
)
SOT-23
0.020(0.51)
0.015(0.37)
0.055(1.40)
0.047(1.19)
0.098(2.50)
0.083(2.10)
Mechanical Data
0.080(2.05)
0.070(1.78)
0.024(0.61)
0.018(0.45)
0.120(3.05)
0.104(2.65)
0.041(1.05)
0.047(0.89)
0.043(1.10)
0.035(0.89)
a
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25+ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Symbol
Value
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current
Average Rectifier Output Current
Non-Repetitive Peak Forward Surge Current
@ t=1.0uS
@ t=1.0S
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air
Operating and Storage Temperature Range
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
Io
IFSM
Pd
R JA
T
J
, T
STG
100
75
53
300
200
2.0
1.0
350
357
-65 to + 150
0.006(0.15)
0.001(0.013)
0.024(0.61)
0.018(0.45)
0.007(0.178)
0.003(0.076)
Units
V
V
V
mA
mA
A
O
mW
C/W
O
C
Electrical Characteristics
Type Number
Symbol
Min
Max
Units
V
V
Reverse Breakdown Voltage (Note 3) IR=100uA
V(BR)
75
Forward Voltage
IF=1.0mA
0.715
-
VF
IF= 10mA
0.855
IF = 50mA
1.0
IF=150mA
1.25
Peak Reverse Current (Note 3)
VR=75V
1.0
-
50
IR
VR=75V, Tj=150+
30
VR=25V, TJ=150+
25
VR=20V
-
Junction Capacitance (Note 3) VR=0, f=1.0MHz
Cj
2.0
-
Reverse Recovery Time (Note 2)
trr
4.0
Notes: 1. Device Mounted on Glass Epoxy PCB 1.6”x1.6”x0.06”, Mounting pad for the Cathode
Lead Min. 0.93 inches.
2. Reverse Recovery Test Conditions: IF=IR=10mA, Irr=0.1 x IR, RL=100
3. Short Duration Test Pulse used to Minimize Self-Heating Effect.
uA
nA
pF
nS
- 168 -
TSC [ TAIWAN SEMICONDUCTOR COMPANY, LTD ]
