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JANTXV1N981BUR-1 Datasheet(PDF) 1 Page - Microsemi Corporation

Part # JANTXV1N981BUR-1
Description  Silicon 500 mW Zener Diodes
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

JANTXV1N981BUR-1 Datasheet(HTML) 1 Page - Microsemi Corporation

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Silicon 500 mW Zener Diodes
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
Copyright
 2003
10-31-2003 REV B
SCOTTSD A L E DIVISION
1N957B, -1 thru 1N992B, -1 DO-35
DESCRIPTION
APPEARANCE
The popular 1N957B thru 1N992B series of 0.5 watt Zener Voltage
Regulators provides a selection from 6.8 to 200 volts in standard 5% or
10% tolerances as well as tighter tolerances identified by different suffix
letters on the part number. These glass axial-leaded DO-35 Zeners are
also available with an internal-metallurgical-bond option by adding a “-1”
suffix. The 1N962B-1 thru 1N992B-1 are available in JAN, JANTX, and
JANTXV military qualifications.
Microsemi also offers numerous other
Zener products to meet higher and lower power applications.
DO-35
(DO-204AH)
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
• JEDEC registered 1N957B(-1) to 1N992B(-1) series
• Internal metallurgical bond option available by
adding a “-1” suffix
• Also available in JAN, JANTX, and JANTXV
qualifications per MIL-PRF-19500/117 by adding the
JAN, JANTX, or JANTXV prefixes to part numbers
for desired level of screening as well as “-1” suffix;
(e.g. JANTX1N962B-1, JANTXV1N986C-1, etc.)
• Military Surface Mount equivalents also available in
DO-213AA by adding a UR-1 suffix in addition to the
JAN, JANTX, and JANTXV prefix; e.g.
JANTX1N962BUR-1 (see separate data sheet)
• Commercial Surface Mount equivalents available as
MLL957B to MLL992B or with “-1” suffix for bonded
in the DO-213AA MELF style package (consult
factory for others)
• DO-7 glass body axial-leaded Zener equivalents are
also available
Regulates voltage over a broad operating
current and temperature range
Extensive selection from 6.8 to 200 V
Standard voltage tolerances are plus/minus 5%
with B suffix, 10 % with A suffix identification
Tight tolerances available in plus or minus 2%
or 1% with C or D suffix respectively
Flexible axial-lead mounting terminals
Nonsensitive to ESD per MIL-STD-750 Method
1020
Minimal capacitance (see Figure 3)
Inherently radiation hard as described in
Microsemi MicroNote 050
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
• Operating and Storage temperature: -65ºC to
+175
ºC
• Thermal Resistance: 250 ºC/W junction to lead at 3/8
(10 mm) lead length from body, or 310
ºC/W junction
to ambient when mounted on FR4 PC board (1 oz
Cu) with 4 mm
2 copper pads and track width 1 mm,
length 25 mm
• Steady-State Power: 0.5 watts at TL < 50oC 3/8 inch
(10 mm) from body or 0.48 W at TA < 25
ºC when
mounted on FR4 PC board as described for thermal
resistance above (also see Figure1)
• Forward voltage @200 mA: 1.1 volts (maximum) for
1N957B – 1N985B and 1.3 V for 1N985 – 1N992B
• Solder Temperatures: 260 ºC for 10 s (max)
CASE: Hermetically sealed axial-lead glass
DO-35 (DO-204AH) package
TERMINALS: Leads, tin-lead plated solderable
per MIL-STD-750, method 2026
POLARITY: Cathode indicated by band. Diode
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: 0.2 grams
See package dimensions on last page


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