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1N4148 Datasheet PDF
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WTE
POWER SEMICONDUCTORS
1N4148 Pb
FAST SWITCHING DIODE
Features
! Fast Switching Speed
! Glass Package Version for High Reliability
! High Conductance
! Available in Both Through-Hole and Surface
AB
Mount Versions
C
D
A
Mechanical Data
! Case: DO-35, Molded Glass
! Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
! Polarity: Cathode Band
! Weight: 0.13 grams
! Marking: Type Number
! Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
DO-35
Dim Min Max
A 25.40 —
B — 4.00
C — 0.60
D — 2.00
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Rectified Current (Average), Half Wave Rectification with
Resistive Load and f  50MHz (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0s
@ t = 1.0µs
Power Dissipation (Note 1)
Derate Above 25°C
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Note: 1. Diode on Ceramic Substrate 10mm x 8mm x 0.7mm.
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Pd
RJA
Tj, TSTG
Value
100
75
53
300
150
1.0
2.0
500
1.68
300
-65 to +175
Unit
V
V
V
mA
mA
A
mW
mW/°C
K/W
°C
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1N4148 Datasheet PDF
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Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Maximum Forward Voltage
Maximum Peak Reverse Current
Capacitance
Reverse Recovery Time
Symbol
VFM
IRM
Cj
trr
Min
Max
1.0
5.0
50
30
25
4.0
4.0
Unit
V
µA
µA
µA
nA
pF
ns
Test Condition
IF = 10mA
VR = 75V
VR = 70V, Tj = 150°C
VR = 20V, Tj = 150°C
VR = 20V
VR = 0, f = 1.0MHz
IF = 10mA to IR = 1.0mA
VR = 6.0V, RL = 100
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© 2006 Won-Top Electronics


1N4148 Datasheet PDF
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MARKING INFORMATION
TAPING SPECIFICATIONS
1N4148
Cathode
1N4148
= Polarity Band
= Device Number
1.2mm
MAX
6mm
52.4mm
Cathode Tape: Red
Anode Tape: White
0.8mm
MAX
5mm
0.8mm
MAX
PACKAGING INFORMATION
TAPE & REEL
330mm
Product ID Label
80±5mm
75mm
42mm
TAPE & BOX
Product ID Label
248mm
BULK
96mm
Inspection Hole
(both ends)
80mm
80mm
Packaging
TAPE & REEL
TAPE & BOX
BULK
Reel Diameter /
Box Size (mm)
330
248 x 80 x 75
96 x 80 x 42
Quantity
(PCS)
5,000
5,000
2,000
Carton Size
(mm)
370 x 370 x 420
410 x 335 x 265
410 x 335 x 265
Note: 1. Paper reel, white or gray color. Core material: plastic or metal.
2. Components are packed in accordance with EIA standard RS-296-E.
Quantity
(PCS)
25,000
100,000
120,000
Approx. Gross Weight
(KG)
8.5
15.7
13.8
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1N4148 Datasheet PDF
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ORDERING INFORMATION
Product No.
1N4148-T3
1N4148-TB
1N4148
Package Type
DO-35
DO-35
DO-35
Shipping Quantity
5000/Tape & Reel
5000/Tape & Box
2000 Units/Box
1. Products listed in bold are WTE Preferred devices.
2. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
3. To order RoHS / Lead Free version (with Lead Free finish), add “-LF” suffix
to part number above. For example, 1N4148-TB-LF.
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.
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
We power your everyday.
1N4148
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© 2006 Won-Top Electronics





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