WTE
POWER SEMICONDUCTORS
1N4448WS
Pb
SURFACE MOUNT FAST SWITCHING DIODE
Features
High Conductance
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Application
C
Plastic Material – UL Recognition Flammability
Classification 94V-O
E
A
SOD-323
Dim
A
Min
2.30
1.60
1.15
0.25
0.09
0.20
0.80
—
Max
2.75
1.80
1.35
0.40
0.18
0.40
1.00
0.12
D
B
B
C
D
E
G
H
J
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: Device Code, See Page 3
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
G
H
J
All Dimensions in mm
Maximum Ratings
@T
A
=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
Power Dissipation (Note 1)
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
@ t = 1.0µs
@ t = 1.0s
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
θJA
T
j
, T
STG
1N4448WS
100
75
53
500
250
4.0
2.0
200
625
-65 to +150
Unit
V
V
V
mA
mA
A
mW
K/W
°C
1N4448WS
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© 2006 Won-Top Electronics
Electrical Characteristics
Characteristic
Forward Voltage Drop
Peak Reverse Leakage Current
@T
A
=25°C unless otherwise specified
Symbol
@ I
F
= 5.0mA
@ I
F
= 100mA
@ V
R
= 75V
V
FM
I
RM
C
j
t
rr
1N4448WS
0.72
1.0
2.5
4.0
4.0
Unit
V
µA
pF
nS
Junction Capacitance (V
R
= 0V DC, f = 1.0MHz)
Reverse Recovery Time (Note 2)
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.
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
1000
10,000
I
R
, LEAKAGE CURRENT (nA)
100
1000
10
100
1.0
0.1
10
V
R
= 20V
0.01
0
1
2
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
1
0
100
200
T
j
, JUNCTION TEMPERATURE (°C)
Fig. 2 Leakage Current vs Junction Temperature
1N4448WS
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© 2006 Won-Top Electronics
MARKING INFORMATION
RECOMMENDED FOOTPRINT
0.025
(0.63)
xx
xx
= Device Code, See Table Below
Mfg Site
TW Plant
CN Plant
Device Code
0.063
(1.60)
0.033
(0.83)
A3
T5
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Inspection Hole
Direction of Unreeling
4mm
178mm
8mm
4mm
8mm
Product ID Label
1.6mm
Reel Diameter
(mm)
178
Quantity
(PCS)
3,000
Inner Box Size
L x W x H (mm)
187 x 187 x 65
Quantity
(PCS)
15,000
Carton Size
L x W x H (mm)
390 x 240 x 420
Quantity
(PCS)
150,000
Approx. Gross Weight
(KG)
7.0
Note:
1. Anti-static plastic reel, white, water clear or blue color. Inspection hole might be varied in different alignment.
2. Components are packed in accordance with EIA standard 481-1 and 481-2.
1N4448WS
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© 2006 Won-Top Electronics
ORDERING INFORMATION
Product No.
1N4448WS-T1
1.
2.
Package Type
SOD-323
Shipping Quantity
3000/Tape & Reel
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, 1N4448WS-T1-LF.
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.
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
We power your everyday.
1N4448WS
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© 2006 Won-Top Electronics
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