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JANS1N4955US

Description
Zener Diodes Voltage Regulator
CategoryDiscrete semiconductor    diode   
File Size163KB,5 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
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JANS1N4955US Overview

Zener Diodes Voltage Regulator

JANS1N4955US Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
package instructionO-LELF-R2
Contacts2
Reach Compliance Codecompliant
ECCN codeEAR99
Samacsys Confidence4
Samacsys StatusReleased
Samacsys PartID7883537
Samacsys Pin Count3
Samacsys Part CategoryZener Diode
Samacsys Package CategoryOther
Samacsys Footprint NameD-5B-2
Samacsys Released Date2019-12-18 15:19:44
Is SamacsysN
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
Maximum dynamic impedance0.75 Ω
JESD-30 codeO-LELF-R2
JESD-609 codee0
Number of components1
Number of terminals2
Maximum operating temperature200 °C
Package body materialGLASS
Package shapeROUND
Package formLONG FORM
Peak Reflow Temperature (Celsius)NOT SPECIFIED
polarityUNIDIRECTIONAL
Maximum power dissipation5 W
Certification statusQualified
GuidelineMIL-19500/356H
Nominal reference voltage7.5 V
surface mountYES
technologyZENER
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formWRAP AROUND
Terminal locationEND
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance5%
Working test current175 mA
Base Number Matches1
1N4954US thru 1N4996US, 1N5968US thru
1N5969US, and 1N6632US thru 1N6637US
SCOTTSDALE DIVISION
VOIDLESS-HERMETICALLY-SEALED
Surface Mount 5 WATT GLASS ZENER
DESCRIPTION
T
his surface mount Zener Voltage Regulator series is military qualified to
APPEARANCE
WWW .
Microsemi
.C
OM
MIL-PRF-19500/356 and is ideal for high-reliability applications where a
failure cannot be tolerated. These industry-recognized 5 Watt Zener
Voltage Regulators are hermetically sealed with voidless-glass construction
using an internal metallurgical bond. It includes Zener selections from 3.3
to 390 volts in standard 5% tolerances as well as tighter tolerances
identified by different suffix letters on the part number. They are also
available in axial-leaded packages for thru hole mounting by deleting the
“US” suffix (see separate data sheet for 1N4954 thru 1N4996, 1N5968 thru
1N5969, and 1N6632 thru 1N6637). Microsemi also offers numerous other
Zener products to meet higher and lower power ratings in both thru-hole
and surface mount packages.
IMPORTANT:
For the most current data, consult
MICROSEMI’s
website:
http://www.microsemi.com
“E” Package
(or “D-5B”)
FEATURES
Popular JEDEC registered series
Voidless hermetically sealed glass package
Triple-layer passivation
Internal “Category
I”
Metallurgical bonds for
1N4954US thru 1N4996US, and “Category
III”
for
1N6632US thru 1N6637US as well as 1N5968US
thru 1N5959US
JAN, JANTX, JANTXV, and JANS available per MIL-
PRF-19500/356
Axial-leaded equivalents (see separate data sheet for
1N4954 thru 1N4996, 1N6632 thru 1N6637 and
1N5968 thru 1N5969)
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current and
temperature range
Extensive selection from 3.3 to 390 V
Standard voltage tolerances are plus/minus 5% with
no suffix
Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively
Extremely robust construction
Nonsensitive to ESD per MIL-STD-750 Method 1020
Inherently radiation hard as described in Microsemi
MicroNote 050
MAXIMUM RATINGS
Operating (T
J
) Temperature: -65
o
C to +175
o
C.
Storage Temperature: -65
o
C to +175
o
C.
o
Power Dissipation: 5 Watts @ T
EC
= 140 C for
1N4954US thru 1N4996US or @ T
EC
= 125
o
C for
both the 1N6632US thru 1N6637US & 1N5968US
thru 1N5969US. Derate linearly above these
o
temperatures to zero at 175 C.
o
Thermal Resistance: 7 C/W junction to end cap for
o
1N4954US thru 1N4996US and 10 C/W for
1N6632US thru 1N6637US as well as 1N5968US
thru 1N5969US
Thermal Impedance at 10 ms: 1.8
o
C/W for
1N4954US thru 1N4996US, and 3.0
o
C/W for both
the 1N6632US thru 1N6637US & 1N5968US thru
1N5969US
Forward Voltage: 1.50 V at 1.0 A
MECHANICAL AND PACKAGING
CASE: Hermetically sealed voidless hard glass with
Tungsten slugs
TERMINATIONS: End caps are Copper with Tin/Lead
(Sn/Pb) finish. Note: Previous inventory had solid
Silver end caps with Tin/Lead (Sn/Pb) finish.
MARKING: None
POLARITY: Cathode indicated by band
Tape & Reel option: Standard per EIA-481-B
Weight: 539 mg
1N4954US thru 1N4996US
1N5968US thru 1N5969US
1N6632US thru 1N6637US
Copyright
©
2010
3-29-2010 REV E; SD44A.pdf
Microsemi
Page 1
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