1N4448WS 1 of 4 © 2006 Won-Top Electronics
Pb
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, Met hod 208
! Polarity: Cathode Band
! Weight: 0.004 grams (approx.)
! Marking: A3 H
! Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol 1N4448WS Unit
Non-Repetiti ve P eak Reverse Voltage VRM 100 V
Peak Repetit i ve Revers e Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR75 V
RMS Reverse Voltage VR(RMS) 53 V
Forward Continuous Current (Note 1) IFM 500 mA
Average Rectified Output Current (Note 1) IO250 mA
Non-Repetiti ve Peak Forward Surge Current @ t = 1.0µs
@ t = 1.0s IFSM 4.0
2.0 A
Power Dissipation (Note 1) Pd200 mW
Typical Thermal Resistance, Junction to Ambient Air (Note 1) RJA 625 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
WTE
POWER SEMICONDUCTORS
SOD-323
Dim Min Max
A2.30 2.70
B1.75 1.95
C1.15 1.35
D0.25 0.35
E0.05 0.15
G0.70 0.95
H0.30 —
All Dimensions in mm
G
1N4448WS 2 of 4 © 2006 Won-Top Electronics
Electrical Characteristics @TA=25°C unless ot herwise specified
Characteristic Symbol 1N4448WS Unit
Forward Voltage Drop @ IF = 5.0mA
@ I
F = 100mA VFM 0.72
1.0 V
Peak Reverse Leakage Current @ VR = 75V IRM 2.5 µA
Junction Capacitance (VR = 0V DC, f = 1.0MHz) Cj4.0 pF
Reverse Recovery Time (Note 2) trr 4.0 nS
Note: 1. Valid provided that terminals are kept at ambient temperature.
2. Measured with IF = IR = 10mA, IRR = 0.1 x IR, RL = 100.
10
1.0
100
1000
0.1
0.01
012
I , INSTANTANE
O
US F
O
RWARD 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 3 of 4 © 2006 Won-Top Electronics
MARKING INFORMATION
RECOMMENDED FOOTPRINT
PACKAGING INFORMATION
Reel Diameter
(mm) Quantity
(PCS) Inner Box Size
L x W x H (mm) Quantity
(PCS) Carton Size
L x W x H (mm) Quantity
(PCS) Approx. Gross Weight
(KG)
178 5,000 187 x 187 x 65 25,000 390 x 240 x 420 250,000 10.0
Cathode = Polarity Band
A3 = Device Code
A3
0.025
(0.63)
inches
(
mm
)
0.033
(0.83)
0.063
(1.60)
178mm
Product ID Label 8mm
Directi on of Unreeling
8mm
4mm 1.6mm
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.
Inspection Hole
TAPE & REEL
4mm
1N4448WS 4 of 4 © 2006 Won-Top Electronics
ORDERING INFORMATION
Product No. Package Type Shipping Quantity
1N4448WS-T1 SOD-323 5000/Tape & Reel
1. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
2. 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.
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.wont op.com
