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 nAVR=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: B 2013/01/01
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20736 Marilla Street Chatsworth
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MCC
HTA/HTC/HTS
TM
Micro Commercial Components
1 of 3
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .059 .067 1.50 1.70
B .030 .033 0.75 0.85
C .057 .069 1.45 1.75
D .020 Nominal 0.50Nominal
E .035 .043 0.90 1.10
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
• Epoxy meets UL 94 V-0 flammability rating
• Moisture Sensitivity Level 1
• Lead Free Finish/Rohs Compliant ("P"Suffix designates
RoHS Compliant. See ordering information)
• Halogen free available upon request by adding suffix "-HF"
MMBD4448HT/HTA/HTC/HTS MCC
www.mccsemi.com
Revision: B 2013/01/01
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
2 of 3
MCC
Revision: B 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
3 of 3
Device Packing
Part Number-TP Tape&Reel: 3Kpcs/Reel
Ordering Information :
***IMPORTANT NOTICE***
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 products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Note : Adding "-HF" suffix for halogen free, eg. Part Number-TP-HF