SWITCHING DIODE. MMBD4448H Datasheet


MMBD4448H DIODE. Datasheet pdf. Equivalent


MMBD4448H


SURFACE MOUNT SWITCHING DIODE
MMBD4448H
SURFACE MOUNT SWITCHING DIODE Features
· · · · Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance
SOT-23 Dim
A

NEW PRODUCT

Min 0.37 1.19 2.10 0.89 0.45 1.78 2.65 0.013 0.89 0.45 0.076

Max 0.51 1.40 2.50 1.05 0.61 2.05 3.05 0.15 1.10 0.61 0.178

A B
B C

C D E G H J K
L

Mechanical Data
· · · · · Case: SOT-23, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: KA3 Weight: 0.008 grams (approx.)
E

TOP VIEW

D G H K J M

L M

All Dimensions in mm

Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Symbol VRM VRRM VRWM VR VR(RMS) IFM IO IFSM Pd RqJA Tj , TSTG MMBD4448H 100 80 57 500 250 4.0 2.0 350 357 -65 to +150 Unit V V V mA mA A mW K/W °C

Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 2) Forward Voltage (Note 2)

@ TA = 25°C unless otherwise specified Symbol V(BR)R VFM Min 80 0.62 ¾ ¾ ¾ ¾ ¾ ¾ M...



MMBD4448H
MMBD4448H
SURFACE MOUNT SWITCHING DIODE
Features
· Fast Switching Speed
· Surface Mount Package Ideally Suited for
Automatic Insertion
· For General Purpose Switching Applications
· High Conductance
Mechanical Data
· Case: SOT-23, Molded Plastic
· Terminals: Solderable per MIL-STD-202,
Method 208
· Polarity: See Diagram
· Marking: KA3
· Weight: 0.008 grams (approx.)
A
TOP VIEW
ED
G
H
BC
K
J
L
M
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Pd
RqJA
Tj , TSTG
MMBD4448H
100
80
57
500
250
4.0
2.0
350
357
-65 to +150
SOT-23
Dim Min Max
A 0.37 0.51
B 1.19 1.40
C 2.10 2.50
D 0.89 1.05
E 0.45 0.61
G 1.78 2.05
H 2.65 3.05
J 0.013 0.15
K 0.89 1.10
L 0.45 0.61
M 0.076 0.178
All Dimensions in mm
Unit
V
V
V
mA
mA
A
mW
K/W
°C
Electrical Characteristics @ TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
Symbol
V(BR)R
VFM
Min
80
0.62
¾
¾
¾
Peak Reverse Current (Note 2)
IRM ¾
Junction Capacitance
Reverse Recovery Time
Cj
trr
Notes: 1. Valid provided that terminals are kept at ambient temperature.
2. tp <300ms, duty cycle <2%.
¾
¾
Max
¾
0.72
0.855
1.0
1.25
100
50
30
25
3.5
4.0
Unit
V
V
nA
mA
mA
nA
pF
ns
Test Condition
IR = 2.5mA
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
VR = 70V
VR = 75V, Tj = 150°C
VR = 25V, Tj = 150°C
VR = 20V
VR = 6V, f = 1.0MHz
VR = 6V, IF = 5mA
DS30176 Rev. B-1
1 of 2
MMBD4448H

MMBD4448H
1000
10,000
100
10
1.0
0.1
0.01
0
12
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
1000
100
10
VR = 20V
1
0 100 200
Tj, JUNCTION TEMPERATURE (°C)
Fig. 2 Leakage Current vs Junction Temperature
DS30176 Rev. B-1
2 of 2
MMBD4448H




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