1N4148 / LL4148 1 of 3 © 2002 Won-Top Electronics
1N4148 / LL4148
FAST SWITCHING DIODE
Features
! Fast Switching Speed
! Glass Package Version for High Reliability A B A A
! High Conductance
! Available in Both Through-Hole and Surface B
Mount Versions C
D C
1N4148 LL4148
Mechanical Data
! Case: DO-35, MiniMELF
! Terminals: Plated Leads Solderable per
MIL-STD- 202, Met hod 208
! Polarity: Cathode Band
! Weight: DO-35 0.13 grams
MiniMELF 0.05 gram s
! Marking: Cathode Band Only
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol Value 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 300 mA
Rectified Current (Average), Half Wave Rectification with
Resistive Load and f 50MHz (Note 1) IO150 mA
Non-Repetiti ve Peak Forward Surge Current @ t = 1.0s
@ t = 1.0µs IFSM 1.0
2.0 A
Power Dissipation (Note 1)
Derate Above 25°C Pd500
1.68 mW
mW/°C
Thermal Resist ance, J unction t o Ambient Air (Note 1) RJA 300 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +175 °C
WTE
POWER SEMICONDUCTORS
DO-35
Dim Min Max
A25.40 —
B—4.00
C—0.60
D—2.00
All Dimensions in mm
MiniMELF
Dim MIn Max
A3.30 3.70
B1.30 1.60
C0.28 0.50
All Dimensions in mm
1N4148 / LL4148 2 of 3 © 2002 Won-Top Electronics
Electrical Characteristics @TA=25°C unless ot herwise specified
Characteristic Symbol Min Max Unit Test Condition
Maximum Forward Voltage VFM —1.0V I
F = 10mA
Maximum Peak Revers e Current IRM —
5.0
50
30
25
µA
µA
µA
nA
VR = 75V
VR = 70V, Tj = 150°C
VR = 20V, Tj = 150°C
VR = 20V
Capacitance Cj—4.0pF V
R = 0, f = 1.0MHz
Reverse Recovery Time trr —4.0ns
IF = 10mA to IR = 1.0mA
VR = 6.0V, RL = 100
Note: 1. Diode on Ceramic S ubst rate 10mm x 8mm x 0.7mm.
1N4148 / LL4148 3 of 3 © 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.!
!!
!Package Type Shipping Quantity
1N4148-T3 DO-35 10000/Tape & Reel
1N4148-TB DO-35 5000/Tape & Box
1N4148 DO-35 1000 Units/Box
LL4148-T1 MiniMELF 2500/Tape & Reel
LL4148-T3 MiniMELF 10000/Tape & Reel
Products listed in bold are WTE Preferred devices.
!T1 suffix refers to a 7” reel. T3 suffix refers to a 13” reel. TB suffix refers to Ammo Pack.
Shipping quantity given is for minimum packing quantity only. For minimum order quantity,
please consult the Sales Department.
RECOMMENDED FOOTPRINT (MiniMELF)
0.043 MIN
(1.10 MIN)
0.106 MIN
(2.70 MIN) inches
(
mm
)
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
0.067 MIN
(1.70 MIN)
