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  Microsemi Electronic Components Datasheet  

1N4487 Datasheet

VOIDLESS HERMETICALLY SEALED 1.5 WATT GLASS ZENER DIODES

No Preview Available !

1N4460 – 1N4496 and 1N6485 – 1N6491
Available on
commercial
versions
VOIDLESS HERMETICALLY SEALED 1.5 WATT
GLASS ZENER DIODES
Qualified per MIL-PRF-19500/406
DESCRIPTION
This Zener voltage regulator series is military qualified to MIL-PRF-19500/406 and is ideal for
high-reliability applications where a failure cannot be tolerated. These industry-recognized 1.5
watt Zener voltage regulators are hermetically sealed with void-less glass construction using
an internal metallurgical bond. It includes Zener selections from 3.3 to 200 volts in standard
5% tolerance. 1% and 2% tolerance versions are also available. 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 latest information, visit our website http://www.microsemi.com.
FEATURES
Popular JEDEC registered series.
Void-less hermetically sealed glass package.
Triple-layer passivation.
Extremely robust construction.
Internal “Category 1” metallurgical bonds for 1N4462 thru 1N4496 and “Category III” for 1N6485 thru
1N6491 as well as 1N4460 and 1N4461.
JAN, JANTX, JANTXV and JANS qualifications are available per MIL-PRF-19500/406.
RoHS compliant versions available (commercial grade only).
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current and temperature range.
Extensive selection from 3.3 to 200 V.
Standard voltage tolerances are plus/minus 5% with no suffix.
Tighter tolerances available in plus or minus 2% or 1%.
Flexible axial-lead mounting terminals.
Non-sensitive to ESD per MIL-STD-750 method 1020.
Inherently radiation hard as described in Microsemi MicroNote 050.
Qualified Levels:
JAN, JANTX,
JANTXV and JANS
DO-41 Package
Also available in:
D-5A MELF
Package
(surface mount)
1N4460US – 1N4496US and
1N6485US – 1N6491US
MAXIMUM RATINGS @ TA= 25oC unless otherwise specified
Parameters/Test Conditions
Junction and Storage Temperature
Steady State Power Dissipation @ TL = +112 ºC
L = .375 inch (9.53 mm)
Thermal Resistance Junction-to-Lead @ .375 inch
(9.52 mm) from body
Thermal Impedance @ 10 ms
1N4462 – 1N4496
1N6485 – 1N6491
1N4460 – 1N4461
Forward Voltage
@ 200 mA
@ 1.0 A
Solder Temperature @ 10 s
Symbol
TJ & TSTG
PD
R ӨJL
Z ӨJX
VF
T SP
Value
-65 to +175
1.5
42
Figure 3
Figure 4
Figure 4
1.0
1.5
260
Unit
oC
W
oC/W
ºC/W
V
oC
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
T4-LDS-0183, Rev. 3 (120901)
©2012 Microsemi Corporation
Page 1 of 6


  Microsemi Electronic Components Datasheet  

1N4487 Datasheet

VOIDLESS HERMETICALLY SEALED 1.5 WATT GLASS ZENER DIODES

No Preview Available !

1N4460 – 1N4496 and 1N6485 – 1N6491
MECHANICAL and PACKAGING
CASE: Hermetically sealed voidless hard glass with tungsten slugs.
TERMINALS: Tin/lead (Sn/Pb) or RoHS compliant matte/tin (commercial grade only) over copper.
MARKING: Body coated in blue with part number.
POLARITY: Cathode indicated by band.
TAPE & REEL option: Standard per EIA-296. Consult factory for quantities.
WEIGHT: 340 milligrams.
See Package Dimensions on last page.
Reliability Level
JAN = JAN Level
JANTX = JANTX Level
JANTXV = JANTXV Level
JANS = JANS Level
Blank = Commercial
JEDEC type number
(See Electrical Characteristics
table)
PART NOMENCLATURE
JAN 1N4460 C (e3)
RoHS Compliance
e3 = RoHS compliant (available
on commercial grade only)
Blank = non-RoHS compliant
Tolerance Level
Blank = 5 %
C=2%
D = 1%
Symbol
VZ
IZ, IZT, IZK
ZZT or ZZK
VF
IR
I ZM
I ZSM
SYMBOLS & DEFINITIONS
Definition
Zener Voltage: The Zener voltage the device will exhibit at a specified current (IZ) in its breakdown region.
Regulator Current: The dc regulator current (IZ), at a specified test point (IZT), near breakdown knee (IZK).
Dynamic Impedance: The small signal impedance of the diode when biased to operate in its breakdown region at a
specified rms current modulation (typically 10% of IZT or IZK) and superimposed on IZT or IZK respectively.
Maximum Forward Voltage: The maximum forward voltage the device will exhibit at a specified current.
Maximum Reverse Current: The maximum reverse (leakage) current that will flow at the specified voltage and
temperature.
Maximum Regulator (Zener) Current: The maximum rated dc current for the specified power rating.
Maximum Zener Surge Current: The non-repetitive peak value of Zener surge current at a specified wave form.
T4-LDS-0183, Rev. 3 (120901)
©2012 Microsemi Corporation
Page 2 of 6


Part Number 1N4487
Description VOIDLESS HERMETICALLY SEALED 1.5 WATT GLASS ZENER DIODES
Maker Microsemi
Total Page 6 Pages
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