TAK_CHEONG 1N4148WS

®
SEMICONDUCTOR
200mW SOD-323 SURFACE MOUNT
Small Outline Flat Lead Plastic Package
Fast Switching Diode
Absolute Maximum Ratings
Symbol
TA = 25°C unless otherwise noted
Parameter
PD
Power Dissipation
T STG
Storage Temperature Range
Value
Units
200
mW
-65 to +150
°C
Operating Junction Temperature
+150
°C
VRSM
Non-Repetitive Peak Reverse Voltage
100
V
VRRM
Repetitive Peak Reverse Voltage
75
V
IFRM
Repetitive Peak Forward Current
300
mA
Continuous Forward Current
150
mA
TJ
IO
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:








Fast Switching Device (T RR <4.0 nS)
DEVICE MARKING CODE:
Device Type
Device Marking
1N4148WS
S1
1N4448WS
S2
1N914BWS
S3
General Purpose Diodes
Flat Lead SOD-323 Small Outline Plastic Package
Surface Device Type Mounting
RoHS Compliant
Green EMC
Matte Tin(Sn) Lead Finish
Band Indicates Cathode
Electrical Characteristics
TA = 25°C unless otherwise noted
Parameter
Symbol
Limits
Test Condition
Min
BV
Breakdown Voltage
IR
Reverse Leakage Current
VF
Forward Voltage
IR=100µA
100
IR=5µA
75
VR=20V
VR=75V
1N4448WS, 1N914BWS
TC1N4448WS,
1N4148WS
1N4448WS, 1N914BWS
TRR
Reverse Recovery Time
IF=5mA
0.62
Unit
Max
Volts
25
nA
5
µA
0.72
IF=10mA
1.0
IF=100mA
1.0
Volts
IF=10mA
IR=60mA
4
nS
4
pF
RL=100
IRR=1mA
C
Capacitance
VR=0V, f=1M HZ
Oct 2008 Release, Revision E
Page 1
1N4148WS/1N4448WS/1N914BWS
TAK CHEONG
TAK CHEONG
®
SEMICONDUCTOR
Typical Performance Characteristics
Total Capacitance
Forward Voltage vs Ambient Temperature
Oct 2008 Release, Revision E
Page 2
TAK CHEONG
®
SEMICONDUCTOR
Reverse Current vs Reverse VoltageReverse
Oct 2008 Release, Revision E
Page 3
TAK CHEONG
®
SEMICONDUCTOR
SOD-323 Package Outline
NOTE: The above package outline is similar to JEITA SC-90.
This datasheet presents technical data of Tak Cheong’s Zener Diodes. Complete specifications for the individual devices are
provided in the form of datasheets. A comprehensive Selector Guide is included to simplify the task of choosing the best set of
components required for a specific application. For additional information, please visit our website http://www.takcheong.com.
Although information in this datasheet has been carefully checked, no responsibility for the inaccuracies can be assumed by Tak
Cheong. Please consult your nearest Tak Cheong’s sales office for further assistance.
Tak Cheong reserves the right to make changes without further notice to any products herein to further improve reliability,
function or design, cost and productivity.
TAK CHEONG
®
and
are registered trademarks of Tak Cheong Electronics (Holdings) Co., Ltd.
Oct 2008 Release, Revision E
Page 4