1N4148WTF / 1N4448WTF
SURFACE MOUNT
FAST SWITCHING DIODE
REVERSE VOLTAGE – 75 Volts
FORWARD CURRENT – 0.15 Ampere
FEATURES
• Fast switching device (Trr < 4.0 ns)
• Extremely Small SOD-523F Package
• Flat Lead SOD-523F Small Outline Plastic Package
• Surface device type mounting
• General Purpose Diodes
• Green EMC
• Matte Tin(Sn) Lead Finish
• RoHS compliant
• Band Indicates Cathode
MECHANICAL DATA
•
Polarity: Color band denotes cathode
SOD-523F
SOD-523F
DIM. MIN.
MAX.
A 1.10 1.30
B 1.50 1.70
C 0.7 0.9
D 0.25 0.35
E 0.50 0.70
F 0.05 0.20
All Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25℃ unless otherwise specified
Characteristic Symbol
1N4148WTF 1N4448WTF Units
Repetitive Peak Reverse Voltage V
RRM
75
V
Repetitive Peak Forward Current I
FRM
300 mA
Average Rectified Output Current I
O
150 mA
Power Dissipation P
D
200 mW
Operating Temperature Range T
J
+150 ℃
Storage Temperature Range T
STG
-55~+150 ℃
Non-Repetitive Peak Reverse Voltage V
RSM
100 V
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Characteristic Test Condition Symbol
1N4148WTF 1N4448WTF Unit
Breakdown voltage
IR=100uA
IR=5uA
BV 100
75 V
Maximum Forward Voltage
I
F
= 5mA
I
F
= 10mA
I
F
= 100mA
V
F
-
1000
-
720
-
1000
mV
Maximum DC Reverse Current
at Rated DC Blocking Voltage
V
R
= 75V
V
R
= 20V I
R
5
25
uA
nA
Typical Diode Capacitance V
R
=0V,f=1MHz C
D
4 pF
Reverse Recovery time
I
F
=10mA,
I
R
=60mA
R
L
=100Ω
I
RR
=1mA,
trr 4 ns
REV. 0, Aug-2011, KSYR86
RATING AND CHARACTERISTIC CURVES
1N4148WTF / 1N448WTF
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
Figure 2. Total Capacitance
Figure 3. Reverse Voltage vs Reverse Current Figure 4. Forward Voltage vs Ambient Temperature
Device Marking:
Device P/N Marking code Equivalent Circuit Diagram
1N4148WTF
1N4448WTF
E1
E2
Legal Disclaimer Notice
1N4148WTF / 1N4448WTF
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
