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1N2817

Description
19 V, 50 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, TO-3
CategoryDiscrete semiconductor    diode   
File Size562KB,7 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Download Datasheet Parametric View All

1N2817 Overview

19 V, 50 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, TO-3

1N2817 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerMicrosemi
Parts packaging codeTO-3
package instructionO-MBFM-P2
Contacts2
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresHIGH RELIABILITY
Shell connectionANODE
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
Maximum dynamic impedance2.2 Ω
JEDEC-95 codeTO-3
JESD-30 codeO-MBFM-P2
JESD-609 codee0
Maximum knee impedance80 Ω
Number of components1
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-65 °C
Package body materialMETAL
Package shapeROUND
Package formFLANGE MOUNT
polarityUNIDIRECTIONAL
Maximum power dissipation50 W
Certification statusNot Qualified
Nominal reference voltage19 V
surface mountNO
technologyZENER
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formPIN/PEG
Terminal locationBOTTOM
Voltage temperatureCoeff-Max14.25 mV/°C
Maximum voltage tolerance20%
Working test current660 mA
1N2804B – 1N2846RB and
1N4557B – 1N4564RB
Qualified Levels:
JAN, JANTX, and
JANTXV
Available on
commercial
versions
50 Watt Zener Diodes
Qualified per MIL-PRF-19500/114
DESCRIPTION
This series of high power 50W Zener diodes, JEDEC registered 1N2804B through 1N2846B
and 1N4557B through 1N4564B, provide voltage regulation in values from 3.9 V to 200 V
broad range of voltages. They may be operated up to 50 W with adequate mounting and heat
sinking due to their low thermal resistance. These Zeners are also available in reverse polarity.
On select part numbers, these Zeners are also available in JAN, JANTX, and JANTXV military
qualifications.
Important:
For the latest information, visit our website
http://www.microsemi.com.
TO-204AD (TO-3)
Package
FEATURES
JEDEC registered IN2804 through 1N2846B and 1N4557 through 1N4564B numbers.
Internal solder bond construction.
Hermetically sealed (welded).
Zener voltage 3.9 V to 200 V.
JAN, JANTX, and JANTXV qualifications also available per MIL-PRF-19500/114 on most family
members (see
Electrical Characteristics
table).
(See
Part Nomenclature
for all available options).
Standard polarity is anode to case. Reverse polarity is available.
RoHS compliant versions available (commercial grade only).
APPLICATIONS / BENEFITS
Regulates voltage over a broad range of operating current and temperature.
Voltage tolerances of 10%, 5%, 2%, and 1% are available.
Non-sensitive to ESD per MIL-STD-750 method 1020.
Inherently radiation hard as described in Microsemi
MicroNote 050.
MAXIMUM RATINGS
Parameters/Test Conditions
Junction Temperature
Storage Temperature
Thermal Resistance Junction to Case @ T
C
= 30 ºC ±3 ºC
Average Rated Power Dissipation @ T
C
≥ 75 ºC
Power Derating @ T
C
≥ +75 ºC
Forward Voltage @ I
F
= 10A
Solder Temperature @ 10 s max
Symbol
T
J
T
STG
R
ӨJC
P
M(AV)
V
F
T
SP
Value
-65 to +175
-65 to +200
2.0
50
0.5
1.5
260
Unit
ºC
ºC
ºC/W
W
W/ºC
V
o
C
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-0076, Rev. 3 (5/2/13)
©2013 Microsemi Corporation
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