MMBD4448H_08 [DIODES]
SURFACE MOUNT SWITCHING DIODE; 表面贴装开关二极管
| 型号： | MMBD4448H_08 |
| 厂家： | 
DIODES INCORPORATED |
| 描述： | SURFACE MOUNT SWITCHING DIODE |
| 文件： | 总3页 (文件大小：173K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MMBD4448H
SURFACE MOUNT SWITCHING DIODE
Features
Mechanical Data
•
•
•
•
•
Fast Switching Speed
•
•
Case: SOT-23
Surface Mount Package Ideally Suited for Automated Insertion
For General Purpose Switching Applications
High Conductance
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
•
•
•
Lead Free/RoHS Compliant (Note 3)
•
•
•
•
Polarity: See Diagram
Marking Information: See Page 2
Ordering Information: See Page 2
Weight: 0.008 grams (approximate)
SOT-23
TOP VIEW
Internal Schematic
TOP VIEW
Maximum Ratings @T = 25°C unless otherwise specified
A
Characteristic
Non-Repetitive Peak Reverse Voltage
Symbol
VRM
Value
100
Unit
V
VRRM
VRWM
VR
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
80
V
RMS Reverse Voltage
57
V
VR(RMS)
IFM
Forward Continuous Current
(Note 1)
(Note 1)
500
250
4.0
2.0
mA
mA
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current
IO
@ t = 1.0μs
@ t = 1.0s
A
IFSM
Thermal Characteristics
Characteristic
Power Dissipation
Symbol
PD
Value
350
Unit
mW
(Note 1)
(Note 1)
Thermal Resistance Junction to Ambient Air
Operating and Storage Temperature Range
357
°C/W
°C
Rθ
JA
-65 to +150
TJ , TSTG
Electrical Characteristics @T = 25°C unless otherwise specified
A
Characteristic
Reverse Breakdown Voltage
Symbol
V(BR)R
Min
80
Max
⎯
Unit
V
Test Condition
IR = 2.5μA
(Note 2)
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
0.62
⎯
⎯
0.72
0.855
1.0
Forward Voltage
Reverse Current
V
VF
1.25
⎯
VR = 70V
nA
μA
μA
nA
100
50
30
VR = 75V, TJ = 150°C
VR = 25V, TJ = 150°C
VR = 20V
(Note 2)
IR
⎯
25
Total Capacitance
Reverse Recovery Time
3.5
4.0
pF
ns
CT
trr
⎯
⎯
VR = 6V, f = 1.0MHz
VR = 6V, IF = 5mA
Notes:
1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead.
1 of 3
www.diodes.com
April 2008
© Diodes Incorporated
MMBD4448H
Document number: DS30176 Rev. 9 - 2
MMBD4448H
500
400
1,000
100
10
300
200
100
0
TA = -40ºC
TA = 0ºC
TA = 25ºC
1
TA = 75ºC
TA = 125ºC
0.1
0.8
0.4
1.2
1.6
0
40
80
120
160
200
0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
TA, AMBIENT TEMPERATURE (ºC)
Fig. 1 Power Derating Curve
10,000
1,000
3
2.5
2
f = 1MHz
100
1.5
1
10
1
0.5
0
0.1
20
40
0
0
10
20
30
40
50
VR, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
VR, DC REVERSE VOLTAGE (V)
Fig. 4 Total Capacitance vs. Reverse Voltage
Ordering Information (Note 4)
Part Number
Case
Packaging
MMBD4448H-7-F
SOT-23
3000/Tape & Reel
Notes:
4. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
KA3 = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: N = 2002
KA3
M = Month ex: 9 = September
Date Code Key
Year
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
Code
M
N
P
R
S
T
U
V
W
X
Y
Z
Month
Code
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2
3
4
5
6
7
8
9
O
N
D
2 of 3
www.diodes.com
April 2008
© Diodes Incorporated
MMBD4448H
Document number: DS30176 Rev. 9 - 2
MMBD4448H
Package Outline Dimensions
SOT-23
Min
A
Dim
A
B
C
D
F
G
H
J
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.180
8°
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.085
0°
C
B
TOP VIEW
G
H
K
K
L
M
M
J
L
F
D
α
All Dimensions in mm
Suggested Pad Layout
Y
Dimensions Value (in mm)
Z
X
Y
C
E
2.9
0.8
0.9
2.0
1.35
Z
C
X
E
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated 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 Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
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www.diodes.com
April 2008
© Diodes Incorporated
MMBD4448H
Document number: DS30176 Rev. 9 - 2
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