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1N5540BUR-1E3

Description
Zener Diode, 20V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-213AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, MLL34, MELF-2
CategoryDiscrete semiconductor    diode   
File Size204KB,6 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Environmental Compliance
Download Datasheet Parametric View All

1N5540BUR-1E3 Overview

Zener Diode, 20V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-213AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, MLL34, MELF-2

1N5540BUR-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
JEDEC-95 codeDO-213AA
JESD-30 codeO-LELF-R2
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 voltage20 V
surface mountYES
technologyZENER
Terminal surfaceMatte Tin (Sn)
Terminal formWRAP AROUND
Terminal locationEND
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance5%
Working test current1 mA
Base Number Matches1
1N5518BUR-1 thru 1N5546BUR-1
Low Voltage Avalanche
500 mW Zener Diodes
Qualified per MIL-PRF-19500/437
DESCRIPTION
The 1N5518BUR-1 thru 1N5546BUR-1 series of 0.5 watt glass surface mount Zener voltage
regulators provides a selection from 3.3 to 33 volts with tolerances ranging from plus/minus
1% to 20%. The standard tolerance is plus/minus 5% with the B suffix unless ordered
otherwise. These glass surface mount devices are available with an internal metallurgical
bond option. This type of bonded Zener package construction is also in JAN, JANTX, and
JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet
higher and lower power applications.
Available on
commercial
versions
Qualified Levels:
JAN, JANTX and
JANTXV
DO-213AA MELF
Package
Important:
For the latest information, visit our website
http://www.microsemi.com.
FEATURES
JEDEC registered 1N5518 thru 1N5546.
Voltage tolerances of plus/minus 20%, 10%, 5%, 2%, and 1% available. See
Note 1
on page 3.
Internal metallurgical bond.
JAN, JANTX, and JANTXV qualification per MIL-PRF-19500/437 available.
RoHS compliant versions available (commercial grade only).
Also available in:
DO-35
(DO-204AH)
(axial-leaded)
1N5518B-1 thru 1N5546B-1
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current and temperature range.
Extensive selection from 3.3 to 33 V.
Hermetically sealed surface mount package.
Nonsensitive to ESD per MIL-STD-750 Method 1020.
Minimal capacitance (see
Figure 3).
Inherently radiation hard as described in Microsemi’s “MicroNote
050”
which is available at
Microsemi.com.
MAXIMUM RATINGS
Parameters/Test Conditions
Junction and Storage Temperature
(Note 1)
Steady-State Power
(Also see derating in
Figure 2)
Symbol
T
J
and T
STG
P
D
(Note 2)
Value
-65 to +175
0.5
100
300
35
1.1
260
Unit
o
C
W
Thermal Resistance Junction-to-End Cap
(Note 2)
Thermal Resistance Junction-to-Ambient
Thermal Impedance
Forward Voltage 200mA
Solder Pad Temperature @ 10 s
R
ӨJEC
R
ӨJA
Z
ӨJX
V
F
T
SP
o
o
C/W
C/W
o
C/W
V
o
C
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
1-800-446-1158
(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 end cap temperature T
EC
< 125
o
C or at ambient T
A
< 50
º
C when mounted on FR4 PC board as
described for thermal resistance above (see
Figure 2
for derating). Derate to 0 at +175
o
C.
2. When mounted on FR4 PC board (1 oz Cu) with recommended footprint (see last page).
T4-LDS-0037, Rev 2 (111456)
©2011 Microsemi Corporation
Page 1 of 6
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