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MQ3EZ6.8D3E3

Description
Zener Diode, 6.8V V(Z), 3%, 1.25W, Silicon, Unidirectional, DO-204AL, ROHS COMPLIANT, PLASTIC, DO-41, 2 PIN
CategoryDiscrete semiconductor    diode   
File Size184KB,3 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Environmental Compliance
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MQ3EZ6.8D3E3 Overview

Zener Diode, 6.8V V(Z), 3%, 1.25W, Silicon, Unidirectional, DO-204AL, ROHS COMPLIANT, PLASTIC, DO-41, 2 PIN

MQ3EZ6.8D3E3 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMicrosemi
Parts packaging codeDO-41
package instructionO-PALF-W2
Contacts2
Reach Compliance Codeunknown
ECCN codeEAR99
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
JEDEC-95 codeDO-204AL
JESD-30 codeO-PALF-W2
JESD-609 codee3
Number of components1
Number of terminals2
Package body materialPLASTIC/EPOXY
Package shapeROUND
Package formLONG FORM
Peak Reflow Temperature (Celsius)NOT SPECIFIED
polarityUNIDIRECTIONAL
Maximum power dissipation1.25 W
Certification statusNot Qualified
Nominal reference voltage6.8 V
surface mountNO
technologyZENER
Terminal surfaceMATTE TIN
Terminal formWIRE
Terminal locationAXIAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance3%
Working test current110 mA
Base Number Matches1
3EZ3.9D5 thru 3EZ200D5, e3
Silicon 3 Watt Zener Diode
SCOTTSDALE DIVISION
DESCRIPTION
The 3EZ3.9D5 thru 3EZ200D5 series of axial-leaded 3.0 watt Zeners
provides voltage regulation selections with 5% tolerances from 3.9 to 200
volts in a DO-41 plastic package size. Other Zener voltage tolerances are
also available by changing the suffix number to the tolerance desired such
as 1, 2 3, or 4 for tighter tolerances or 10 for wider tolerance. These plastic
encapsulated Zeners are also available in various military equivalent
screening levels by adding a prefix identifier as also described in the
Features section. They may be operated at high maximum dc currents or
full power rating with adequate heat. Microsemi also offers numerous other
Zener products to meet higher and lower power applications.
APPEARANCE
WWW .
Microsemi
.C
OM
DO-41 or
DO-204AL
(Plastic)
IMPORTANT:
For the most current data, consult
MICROSEMI’s
website:
http://www.microsemi.com
FEATURES
Zener voltage available 3.9 V to 200 V
Standard voltage tolerances are plus/minus 5% with
a 5 suffix and 10 % with 10 suffix identification
Tight tolerances available in plus or minus 4%, 3%,
2% or 1% with 4, 3, 2, or 1 suffix respectively
Options for screening in accordance with MIL-PRF-
19500 for JAN, JANTX, JANTXV, and JANS are
available by adding MQ, MX, MV, or MSP prefixes
respectively to part numbers.
Surface mount equivalents available as
SMBJ3EZ3.9D5 to SMBJ3EZ200D5 in the DO-
214AA package, or SMBG3EZ3.9D5 to
SMBG3EZ200D5 in the DO-215AA package
RoHS compliant devices available by adding “e3” suffix
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current
and temperature range
3 W capability in relatively small DO-41 package
size when adequately heat sunk (see Figure 1)
Wide selection from 3.9 to 200 V
Flexible axial-lead mounting terminals
Nonsensitive to ESD per MIL-STD-750 Method
1020
Withstands surge stresses
High specified maximum current (I
ZM
) when
adequately heat sunk
MAXIMUM RATINGS
Power dissipation at 25
º
C: 3.0 watts (also see
derating in Figure 1).
Operating and Storage temperature: -65
º
C to +150
º
C
Thermal Resistance: 40
º
C/W junction to lead at 3/8
(10 mm) lead length from body, or 100
º
C/W junction
to ambient when mounted on FR4 PC board (1oz Cu)
with 4 mm
2
copper pads and track width 1 mm, length
25 mm
o
Steady-State Power: 3 watts at T
L
< 30 C 3/8 inch
(10 mm) from body, or 1.25 watts at T
A
= 25
º
C when
mounted on FR4 PC described for thermal resistance
(also see Figure 1)
Forward voltage @200 mA: 1.2 volts (maximum)
Solder Temperatures: 260
º
C for 10 s (max)
MECHANICAL AND PACKAGING
CASE: Void-free transfer molded thermosetting
epoxy body meeting UL94V-0
TERMINALS: Leads, tin-lead or RoHS compliant
annealed matte-Tin plating solderable per MIL-
STD-750, method 2026
POLARITY: Cathode indicated by band where
diode is to be operated with the banded end
positive with respect to the opposite end for Zener
regulation
MARKING: Part number
TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
WEIGHT: 0.4 grams
See package dimensions on last page
3EZ3.9D5
3EZ200D5, e3
Copyright
©
2006
6-20-2006 REV B
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1

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