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1N4688D-1E3

Description
Zener Diode, 4.7V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-204AH, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-35, 2 PIN
CategoryDiscrete semiconductor    diode   
File Size169KB,5 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Environmental Compliance
Download Datasheet Parametric View All

1N4688D-1E3 Overview

Zener Diode, 4.7V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-204AH, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-35, 2 PIN

1N4688D-1E3 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMicrosemi
Parts packaging codeDO-35
package instructionO-LALF-W2
Contacts2
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresMETALLURGICALLY BONDED
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
JEDEC-95 codeDO-204AH
JESD-30 codeO-LALF-W2
JESD-609 codee3
Number of components1
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-65 °C
Package body materialGLASS
Package shapeROUND
Package formLONG FORM
Peak Reflow Temperature (Celsius)NOT SPECIFIED
polarityUNIDIRECTIONAL
Maximum power dissipation0.5 W
Nominal reference voltage4.7 V
surface mountNO
technologyZENER
Terminal surfaceMatte Tin (Sn)
Terminal formWIRE
Terminal locationAXIAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance1%
Working test current0.05 mA
Base Number Matches1
1N4678-1 thru 1N4717-1
Available on
commercial
versions
500 mW AXIAL-LEADED ZENER DIODES
DESCRIPTION
Screening in
reference to
MIL-PRF-19500
available
The 1N4678-1 thru 1N4717-1 series of 0.5 watt Zener voltage regulators provides a selection
from 1.8 to 43 volts in standard 5% tolerances as well as tighter tolerances. These axial-
leaded glass DO-35 Zeners are available with an internal metallurgical bond similar to military
requirements for similar Zeners. Microsemi also offers numerous other Zener products to
meet higher and lower power applications.
Important:
For the latest information, visit our website
http://www.microsemi.com.
FEATURES
JEDEC registered 1N4678 thru 1N4717 series.
Internal metallurgical bond.
Tighter voltage tolerances of 2% and 1% are available.
Up-screening available in reference to MIL-PRF-19500.
(See
part nomenclature
for all available options).
RoHS compliant devices available (commercial grade only).
DO-35 (DO-204AH)
Package
Also available in:
DO-213AA
(surface mount)
1N4678UR-1 – 1N4717UR-1
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current and temperature range.
Guaranteed maximum voltage regulation 10 μA to 100 μA.
Voltage selection from 1.8 to 43 V.
Flexible axial-lead mounting terminals.
Non-sensitive to ESD per MIL-STD-750 method 1020.
Minimal capacitance (see
Figure 3).
Inherently radiation hard as described in Microsemi’s “MicroNote
050”.
MAXIMUM RATINGS
Parameters/Test Conditions
Junction and Storage Temperature
(1)
Thermal Resistance Junction-to-Lead
(2)
Thermal Resistance Junction-to-Ambient
(3)
Steady-State Power Dissipation
Forward Voltage @ 200 mA
Solder Temperature @ 10 s
Symbol
T
J
and T
STG
R
ӨJL
R
ӨJA
P
D
V
F
T
SP
Value
-65 to +175
250
310
0.5
1.1
260
Unit
C
C/W
o
C/W
W
V
o
C
o
o
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
Notes:
1. At 3/8 (10 mm) lead length from body.
2. When mounted on FR4 PC board (1 oz Cu) with 4 mm
2
copper pads and track width 1 mm, length 25 mm.
3. At T
L
< 50
o
C 3/8 inch (10 mm) from body or 0.48 W at T
A
< 25
º
C when mounted on FR4 PC board as
described for thermal resistance (see
Figure 2
for derating).
T4-LDS-0240, Rev. 1 (112022)
©2011 Microsemi Corporation
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