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DATA SHEET
1N4448W
SURFACE MOUNT SWITCHING DIODES
VOLTAGE
FEATURES
* Fast switching Speed. * Electrically ldentical to Standerd JEDEC * High Conductance * Surface Mount Package ldeally Suited for Automatic lnsertion. * Pb free product are available : 99% Sn above can meet Rohs environment substance directive request
.154(3.90) .141(3.60) .110(2.8) .098(2.5)
100 Volts
POWER
500 mWatts
SOD-123
Unit: inch (mm)
.028(0.7) .019(0.5)
MECHANICAL DATA
* Case: SOD-123 plastic case. * Terminals : Solderable per MIL-STD-750,Method 2026 * Standard packaging: 8mm tape * Weight: approximately 0.0104 g * Marking: A3
.008(.20)MAX
.005(.12)MAX
.016(.40)MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25C unless otherwise noted)
P A R A M E TE R
R e ve rse V o l a g e t
P e a k R e ve rse V o l a g e t
R M S V olage t
M a xi um D C B l cki g V o l a g e m o n t
M a xi um A ve ra g e F o rw a rd C urre nt a t Ta = 2 5 O C m
P e a k F o rw a rd S urg e C urre nt 1 . us ,0
P o w e r D i si a t o n D e ra t A b o ve 2 5 O C spi e
M a xi um F o rw a rd V o l a g e m t
M a xi um D C R e ve rse C urre nt a t R a t d D C B l cki g m e o n V o l a g e T J= 2 5 O C t
Junct o n C a p a ci a nce ( N o t s1 ) i t e
M a xi um R e ve rse R e co ve ry (N o t s2 ) m e
M a xi um T he rm a l R e si t nce m sa
S t ra g e Te m p e ra t re R a ng e o u
S YM B O L
1N 4448W
75
100
50
75
150
4
500
0. 2 / 0. 05A 7 0 1. / 0. A 0 1
2. @ 75V 5
4. 0
4. 0
450
-5 5 t + 1 5 0 o
.053(1.35) .037(0.95)
.071(1.8) .055(1.4)
UNI S T
V
V
V
V
mA
A
mW
V
uA
pF
ns
O
VR
V RM
V RM S
VDC
IV A
I SM F
P TO T
VF
I R
CJ
TR R
R JA
TJ
C /W
O
C
NOTE: 1. CJ at VR=0, f=1MHZ 2.From IF=10mA to IR=1mA, VR=6Volts, RL=100
STAD-NOV.15.2004
PAGE . 1
1000
10
TJ =125 OC
FORWARD CURRENT, mA
100
REVERSE CURRENT, u A
1.0
10
0.1
TJ =75 OC
1
0.01
TJ =25 OC
0.001
0.1 0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
20
40
60
80
100
FORWARD VOLTAGE, Volts
REVERSE VOLTAGE, Volts
FIG. 1-TYPICAL FORWARD CHARACTERISTIC
FIG. 2-TYPICAL REVERSE CHARACTERISTICS
P D, POWER DISSIPATION (mW)
500
400
300
200
100
0
50
100
150
200
AMBIENT TEMPERATURE( OC)
FIG. 3 POWER DERATING CURVE
STAD-NOV.15.2004
PAGE . 2
MOUNTING PAD LAYOUT
SOD-123
Unit: inch ( mm )
.0.059(1.50)
0.094(2.4)
0.059(1.50)
ORDER INFORMATION
* Packing information T/R - 10K per 13" plastic Reel T/R - 3.0K per 7" plastic Reel
LEGAL STATEMENT
IMPORTANT NOTICE This information is intended to unambiguously characterize the product in order to facilitate the customer's evaluation of the device in the application. The information will help the customer's technical experts determine that the device is compatible and interchangeable with similar devices made by other vendors. The information in this data sheet is believed to be reliable and accurate. The specifications and information herein are subject to change without notice. New products and improvements in products and product characterization are constantly in process. Therefore, the factory should be consulted for the most recent information and for any special characteristics not described or specified.
Copyright Pan Jit International Inc. 2003 All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract. The information presented is believed to be accurate and reliable, and may change without notice in advance. No liability will be accepted by the publisher for any consequence of use.Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
STAD-NOV.15.2004
PAGE . 3

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