MMBD4448HT/
150mW
Switching Diodes
Features
• Fast Switching Speed
• For General Purpose Switching Applications
• High Conductance, Power Dissipation
• Ultra-Small Surface Mount Package
Maximum Ratings
Symbol Rating Rating Unit
VRM Non-Repetitive Peak Reverse Voltage 100 V
VRRM
VRWM
VR
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage 80 V
VR(RMS) RMS Reverse Voltage 57 V
IFM Forward Continuous Current 500 mA
IO Average Rectified Output Current 250 mA
IFSM Peak Forward Surge Current @1.0s
@1.0s 4.0
2.0 A
R©JA Thermal Resistance Junction to Ambient 833 к/W
PDPower dissipation 150 mW
TJJunction Temperature 150 к
TSTG Storage Temperature -65 to +150 к
Electrical Characteristics @ 25OC Unless Otherwise Specified
Symbol Parameter Min Max Test Conditions
V(BR) Reverse Breakdown Voltage 80V --- IR=2.5A
IRReverse Voltage Leakage
Current --- 0.1A
25 nA VR=70V
VR=20V
VF Forward Voltage
0.62
---
---
---
0.72V
0.855V
1.0V
1.25V
IF=5.0mA
IF=10mA
IF=100mA
IF=150mA
CT Total Capacitance --- 3.5pF VR=6V, f=1MHZ
trr Reverse Recovery Time --- 4.0ns IF=5mA,
VR=6V
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Revision: 1 2007/09/05
omponents
20736 Marilla Street Chatsworth
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MCC
HTA/HTC/HTS
TM
Micro Commercial Components
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xCase Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
INCHES MM
DIM MIN MAX MIN MAX NOTE
A.059.0671.501.70
B .030 .033 0.75 0.85
C .057 .069 1.45 1.75
D .020 Nominal 0.50Nominal
E.035.0430.901.10
G .000 .004 .000 .100
H .028 .031 .70 0.80
J .004 .008 .100 .200
K .010 .014 .25 .35
A
C
B
D
E
GH
J
DIMENSIONS
K
SOT-523
MMBD4448HT/HTA/HTC/HTS MCC
www.mccsemi.com
Revision: 1 2007/09/05
TM
Micro Commercial Components
10
100
1000
1
0.1
01.6
1.2
0.4 0.8
I , INSTANTANE
O
US F
O
RWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 1 Typical Forward Characteristics
T = 125ºC
A
T = -40ºC
A
T = 75ºC
A
T = 25ºC
A
T = 0ºC
A
0.1
1
10
100
1000
10000
020 40 60 80 100
V , REVERSE VOLTAGE (V)
R
Fig. 2 Typical Reverse Characteristics
I , INSTANTANE
O
US REVERSE CURRENT (nA)
R
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 0ºC
A
0
0.5
1
2.5
2
1.5
3
010 20 40
30
C , TOTAL CAPACITANCE (pF)
T
V , REVERSE VOLTAGE (V)
R
Fig. 3 Typical Capacitance vs. Reverse Voltage
f = 1MHz
0
50
100
150
200
250
0 100 200
P,P
O
WER DISSIPATI
O
N (mW)
d
T , AMBIENT TEMPERATURE (°C)
A
Fig. 4 Power Derating Curve, Total Package
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Revision: 1 2007/09/05
TM
Micro Commercial Components
www.mccsemi.com
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products are represented on our website, harmless against all damages.
***APPLICATIONS DISCLAIMER***
***IMPORTANT NOTICE***
Aerospace or Military Applications.
Products offer by Micro Commercial Components Corp .are not intended for use in Medical,
Micro Commercial Components Corp .reserves the right to make changes without further notice to any
product herein to make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components Corp .does not assume any liability arising out of the application or
use of any product described herein; neither does it convey any license under its patent rights ,nor
the rights of others . The user of products in such applications shall assume all risks of such use
and will agree to hold Micro Commercial Components Corp .and all the companies whose
