1N4448WS
1 of 3 2002 Won-Top Electronics
1N4448WS
SURFACE MOUNT FAST SWITCHING DIODE
Features
!
High
Conductance
!
Fast Switching Speed A
!
Surface Mount Package Ideally Suited for
Automatic Insertion
!
For General Purpose Switching Application C
!
Plastic Material UL Recognition Flammability D
Classification 94V-O B
E
Mechanical Data
!
Case: SOD-323, Molded Plastic
!
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
!
Polarity:
Cathode
Band
!
Weight: 0.004 grams (approx.)
!
Marking: A3 H
Maximum Ratings
@T
A
=25C unless otherwise specified
Characteristic
Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
V
RM
100
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
75
V
RMS Reverse Voltage
V
R(RMS)
53
V
Forward Continuous Current (Note 1)
I
FM
500
mA
Average Rectified Output Current (Note 1)
I
O
250
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0s
@ t = 1.0s
I
FSM
4.0
2.0
A
Power Dissipation (Note 1)
P
d
200
mW
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
R
JA
625
K/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +150
C
Electrical Characteristics
@T
A
=25C unless otherwise specified
Characteristic
Symbol
Value
Unit
Forward Voltage Drop @ I
F
= 5.0mA
@ I
F
= 100mA
V
FM
0.72
1.0
V
Peak Reverse Leakage Current @ V
R
= 75V
I
RM
2.5
A
Junction Capacitance (V
R
= 0V DC, f = 1.0MHz)
C
j
4.0
pF
Reverse Recovery Time (Note 2)
t
rr
4.0
nS
Note: 1. Valid provided that terminals are kept at ambient temperature.
2. Measured with I
F
= I
R
= 10mA, I
RR
= 0.1 x I
R
, R
L
= 100
.
WTE
POWER SEMICONDUCTORS
SOD-323
Dim
Min
Max
A
2.30
2.70
B
1.75
1.95
C
1.15
1.35
D
0.25
0.35
E
0.05
0.15
G
0.70
0.95
H
0.30
--
All Dimensions in mm
G
10
1.0
100
1000
0.1
0.01
0
1
2
I
,
INST
ANT
ANE
O
US
F
O
R
W
ARD
CURRENT
(mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
1
10
100
1000
10,000
0
100
200
I
,
LEAKAGE
CURRENT
(nA)
R
T , JUNCTION TEMPERATURE (C)
Fig. 2 Leakage Current vs Junction Temperature
j
V = 20V
R
1N4448WS 2 of 3 2002 Won-Top Electronics
1N4448WS
3 of 3 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.
!
!
!
!
Package Type
Shipping Quantity
1N4448WS-T1
SOD-323
3000/Tape & Reel
1N4448WS-T3
SOD-323
10000/Tape & Reel
Products listed in bold are WTE Preferred devices.
!
T1 suffix refers to a 7" reel. T3 suffix refers to a 13" reel.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
RECOMMENDED FOOTPRINT
inches(mm)
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer. WTE reserves the right to change any or all information herein without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
We power your everyday.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www.wontop.com
0.047
(1.20)
0.055
(1.40)
0.062
(1.60)
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