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1N746DUR-1E3

Description
Zener Diode, 3.3V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-213AA, HERMETIC SEALED, GLASS, MELF-2
CategoryDiscrete semiconductor    diode   
File Size513KB,6 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Environmental Compliance
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1N746DUR-1E3 Overview

Zener Diode, 3.3V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-213AA, HERMETIC SEALED, GLASS, MELF-2

1N746DUR-1E3 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMicrosemi
package instructionO-LELF-R2
Reach Compliance Codecompliant
ECCN codeEAR99
Is SamacsysN
Other featuresMETALLURGICALLY BONDED
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
Maximum dynamic impedance28 Ω
JEDEC-95 codeDO-213AA
JESD-30 codeO-LELF-R2
Number of components1
Number of terminals2
Maximum operating temperature175 °C
Package body materialGLASS
Package shapeROUND
Package formLONG FORM
polarityUNIDIRECTIONAL
Maximum power dissipation0.5 W
Nominal reference voltage3.3 V
surface mountYES
technologyZENER
Terminal formWRAP AROUND
Terminal locationEND
Maximum voltage tolerance1%
Working test current20 mA
Base Number Matches1
1N746AUR-1 – 1N759AUR-1,
1N4370AUR-1 – 1N4372AUR-1
Qualified Levels:
JAN, JANTX, and
JANTXV
Available on
commercial
versions
Silicon MELF 500 mW Zener Diodes
Qualified per MIL-PRF-19500/127
DESCRIPTION
This popular series of 500 mW Zener voltage regulators provides a selection from 2.4 to 12
volts in a standard 5% tolerance as well as available tighter 2% and 1% tolerances. These
glass, surface mount DO-213AA Zeners feature an internal metallurgical bond and are military
qualified to the JAN, JANTX, and JANTXV level. A RoHS compliant commercial grade only
version is also available.
Important:
For the latest information, visit our website
http://www.microsemi.com.
FEATURES
JEDEC registered 1N746 through 1N759A and 1N4370 through 1N4372A series.
Standard voltage tolerance is ± 5% with optional tighter tolerances of ± 2% or 1%.
Internal metallurgical bond.
JAN, JANTX, and JANTXV qualifications are available per MIL-PRF-19500/127.
(See
part nomenclature
for all available options.)
RoHS compliant versions available (commercial grade only).
These commercial surface mount equivalents were also previously identified with a CDLL or MLL
prefix instead of the "1N" prefix.
DO-213AA MELF
Package
Also available in:
DO-35 (DO-204AH)
package
(axial-leaded)
1N746A-1 –
1N759A-1 and 1N4370A-1 –
1N4372A-1
APPLICATIONS / BENEFITS
Regulates voltage over a broad range of temperature and current.
Regulated voltage range from 2.4 to 12 V.
Small size for high density mounting using the surface mount method (see package illustration).
Non-sensitive to ESD per MIL-STD-750 method 1020.
Minimal capacitance.
Inherently radiation hard as described in Microsemi
MicroNote 050.
MAXIMUM RATINGS
Parameters/Test Conditions
Operating and Storage Temperature
Thermal Resistance Junction-to-End Cap
Thermal Resistance Junction-to-Ambient when
(1)
mounted on PCB
Average Rated Power Dissipation
(2)
@ T
EC
= +125°C
@ T
A
= 55°C mounted on PCB
Forward Voltage @ I
F
= 200 mA
Solder Temperature @ 10 s
NOTES:
Symbol
T
J
and T
STG
R
ӨJEC
R
ӨJA
Value
-65 to +175
100
300
Unit
ºC
ºC/W
ºC/W
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
P
M(AV)
V
F
0.5
0.4
1.1
260
W
V
C
o
1. See
Figure 1
for derating curves. T
A
= +75 °C on an FR4 PC board with 1 oz copper metalization.
2. The 0.5 W linearly derates starting at T
EC
= 125 °C and goes to zero at 175 °C. For ambient T
A
condition on a typical PC board, it linearly derates from 400 mW starting at 55 °C and goes to zero at
175 °C (see
Figure2).
T4-LDS-0288-1, Rev. 1 (5/23/13)
©2013 Microsemi Corporation
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