1N4448W 1 of 4 © 2006 Won-Top Electronics
Pb
1N4448W
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 H
Case: SOD-123, Molded Plastic G
Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.01 grams (approx.)
Marking: Device Code, See Page 3
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic Symbol 1N4448W Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
75 V
RMS Reverse Voltage VR(RMS) 53 V
Forward Continuous Current (Note 1) IFM 500 mA
Average Rectified Output Current (Note 1) IO 250 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0µs
@ t = 1.0s IFSM 4.0
2.0 A
Forward Voltage Drop @ IF = 5mA
@ I
F = 10mA VFM 0.72
1.0 V
Peak Reverse Leakage Current @ VR = 20V
@ V
R = 75V IRM 25
5.0
nA
µA
Typical Junction Capacitance (VR = 0V DC, f = 1.0MHz) Cj 4.0 pF
Reverse Recovery Time (Note 2) trr 4.0 nS
Power Dissipation (Note 1) Pd 500 mW
Typical Thermal Resistance, Junction to Ambient Air (Note 1) RθJA 357 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Note: 1. Valid provided that terminals are kept at ambient temperature.
2. Measured with IF = IR = 10mA, IRR = 0.1 x IR, RL = 100Ω.
WTE
POWER SEM IC ON DUC TOR S
SOD-123
Dim Min Max
A 3.6 3.9
B 2.5 2.8
C 1.4 1.8
D 0.5 0.7
E — 0.2
G 0.4 —
H 0.95 1.35
J — 0.12
All Dimensions in mm
1N4448W 2 of 4 © 2006 Won-Top Electronics
0255075100125150
P, POWER DISSIPATION (m W)
D
T , AMBIENT TEMPERA T URE ( C)
Fig. 1 Power Derating Curve
A
°
0
200
400
500
100
300
R = 315°C/W
θ
JA
10
100
1
0.10
800
200 400 600
I, I
1,000
NSTANTANEOUS FORWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
Fig. 2 Typical Forward Characteristics
F
0.10
1.0
10.0
0.01
0.001020 40 60 80
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 T ypical Reverse Characteristics
R
T = 100 C
A
°
T = 0C
A
°
T = 75C
A
°
T = 50C
A
°
T = 25C
A
°
T = -30C
A
°
I , INSTANTANEOUS REVERSE CURRENT (µA)
R
0432 5
1
V , DC REVERSE VOLT AGE (V)
Fig. 4 Total Capacitance vs. Reverse Voltage
R
6
C, T OTAL CAPACITANCE (pF)
T
0
1
2
3
4
046821
I , FORWARD CURRENT (mA)
Fig. 5 Reverse Recovery Time vs. Forward Current
F
t,
0
REVERSE RECOVERY TIME (nS)
rr
0
0.5
1.0
1.5
2.0
2.5
1N4448W 3 of 4 © 2006 Won-Top Electronics
MARKING INFORMATION RECOMMENDED FOOTPRINT
PACKAGING INFORMATION
Reel Diameter
(mm) Quantity
(PCS) Inner B ox Size
L x W x H (mm) Quantity
(PCS) Carton Size
L x W x H (mm) Quantity
(PCS) Approx. Gross Weight
(KG)
178 3,000 187 x 187 x 65 15,000 390 x 240 x 420 150,000 10.0
xx
0.036
(0.91)
inches
(
mm
)
0.048
(1.22)
0.093
(2.36)
178mm
Product ID Label 8mm
Directi on of Unreeli ng
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
xx = Device Code, See Table Below
Mfg Site Device Code
TW Plant A3
CN Plant T5
1N4448W 4 of 4 © 2006 Won-Top Electronics
ORDERING INFORMATION
Product No. Package Type Shipping Quantity
1N4448W-T1 SOD-123 3000/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, 1N4448W-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.wontop.com
