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, Method 208
!
Polarity:
Cathode
Band
!
Weight:
DO-35
0.13
grams
MiniMELF 0.05 grams
!
Marking: Cathode Band Only
Maximum Ratings
@T
A
=25C unless otherwise specified
Characteristic
Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
V
RM
100
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
75
V
RMS Reverse Voltage
V
R(RMS)
53
V
Forward Continuous Current (Note 1)
I
FM
300
mA
Rectified Current (Average), Half Wave Rectification with
Resistive Load and f
50MHz (Note 1)
I
O
150
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0s
@ t = 1.0s
I
FSM
1.0
2.0
A
Power Dissipation (Note 1)
Derate Above 25C
P
d
500
1.68
mW
mW/C
Thermal Resistance, Junction to Ambient Air (Note 1)
R
JA
300
K/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +175
C
WTE
POWER SEMICONDUCTORS
DO-35
Dim
Min
Max
A
25.40
--
B
--
4.00
C
--
0.60
D
--
2.00
All Dimensions in mm
MiniMELF
Dim
MIn
Max
A
3.30
3.70
B
1.30
1.60
C
0.28
0.50
All Dimensions in mm
1N4148 / LL4148
2 of 3 2002 Won-Top Electronics
Electrical Characteristics
@T
A
=25C unless otherwise specified
Characteristic
Symbol
Min
Max
Unit
Test Condition
Maximum Forward Voltage
V
FM
--
1.0
V
I
F
= 10mA
Maximum Peak Reverse Current
I
RM
--
5.0
50
30
25
A
A
A
nA
V
R
= 75V
V
R
= 70V, T
j
= 150C
V
R
= 20V, T
j
= 150C
V
R
= 20V
Capacitance
C
j
--
4.0
pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
--
4.0
ns
I
F
= 10mA to I
R
= 1.0mA
V
R
= 6.0V, R
L
= 100
Note: 1. Diode on Ceramic Substrate 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)
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