1N4148
SILICON SWITCHING DIODE
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 1N4148 is a high
speed switching diode manufactured in a DO-35
hermetically sealed glass case. The 1N4148 is a drop
in replacement for the 1N914.
MARKING: C4148 or FULL PART NUMBER
DO-35 CASE
MAXIMUM RATINGS: (TA=25°C)
Peak Repetitive Reverse Voltage
Peak Working Reverse Voltage
Average Forward Current
DC Forward Current
Peak Forward Surge Current, tp=1.0μs
Power Dissipation
Operating and Storage Junction Temperature
SYMBOL
VRRM
VRWM
IO
IF
IFSM
PD
TJ, Tstg
ELECTRICAL CHARACTERISTICS: (TA=25°C unless
SYMBOL TEST CONDITIONS
IR
VR=20V
BVR
IR=1.0mA
BVR
IR=100μA
VF
IF=10mA
CJ
VR=0, f=1.0MHz
trr
VR=6.0V, IF=10mA, Irr=1.0mA, RL=100Ω
otherwise noted)
MIN
100
75
150
200
2.0
500
-65 to +200
MAX
25
100
75
1.0
4.0
4.0
UNITS
V
V
mA
mA
A
mW
°C
UNITS
nA
V
V
V
pF
ns
R2 (6-December 2019)
1N4148
SILICON SWITCHING DIODE
DO-35 CASE - MECHANICAL OUTLINE
R2 (6-December 2019)
w w w. c e n t r a l s e m i . c o m
1N4148
SILICON SWITCHING DIODE
TYPICAL ELECTRICAL CHARACTERISTICS
R2 (6-December 2019)
w w w. c e n t r a l s e m i . c o m
1N4148
SILICON SWITCHING DIODE
TYPICAL ELECTRICAL CHARACTERISTICS
R2 (6-December 2019)
w w w. c e n t r a l s e m i . c o m
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PRODUCT SUPPORT
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REQUESTING PRODUCT PLATING
1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number
when ordering (example: 2N2222A PBFREE).
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(001)
http://www.centralsemi.com
PDN01011
12/14/15
6/14/16
12/14/16
Summary:The 1N914 silicon switching diode is discontinued and now classified as End of Life (EOL).
Although Central Semiconductor Corp. makes every effort to continue to produce devices that have been proclaimed EOL (End of Life) by
various manufacturers, it is an accepted industry practice to discontinue certain devices when customer demand falls below a minimum
level of sustainability. Accordingly, the following product(s) have been transitioned to End of Life status as part of Central's
Product Management Process. Any replacement product will be noted below. The effective date for placing the last purchase order will
be six(6) months from the date of this notice and twelve(12) months from the notice date for final shipments; this may be extended if
inventory is available.
_________________________
Central
Part Number
_________________________
Replacement
1N914 BK
1N4148 BK
1N914 TR
1N4148 TR
Central would be happy to assist you by providing additional information or technical data to help locate an alternate source if we
have no replacement available. Please email your requests to engineering@centralsemi.com.
http://www.centralsemi.com
PDN01025
5/18/16
11/18/16
5/18/17
Summary:The 1N4148 silicon switching diode in the DO-35 case is discontinued and now classified as End of Life (EOL). Central has a
variety of equivalent devices in surface mount packages that can be used as replacements for the through-hole 1N4148. Please contact
your sales representative for assistance.
Although Central Semiconductor Corp. makes every effort to continue to produce devices that have been proclaimed EOL (End of Life) by
various manufacturers, it is an accepted industry practice to discontinue certain devices when customer demand falls below a minimum
level of sustainability. Accordingly, the following product(s) have been transitioned to End of Life status as part of Central's
Product Management Process. Any replacement product will be noted below. The effective date for placing the last purchase order will
be six(6) months from the date of this notice and twelve(12) months from the notice date for final shipments; this may be extended if
inventory is available.
_________________________
Central
Part Number
_________________________
Replacement
1N4148 BK
N/A
1N4148 TR
N/A
Central would be happy to assist you by providing additional information or technical data to help locate an alternate source if we
have no replacement available. Please email your requests to engineering@centralsemi.com.
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