1N746UR-1 thru 1N759AUR-1 and
1N4370UR-1 thru 1N4372AUR-1
(or MLL746-1 thru MLL759A-1 and
MLL4370-1 thru MLL4372A-1)
S C O T T S D A L E D I V I S I O N
Surface Mount 500 mW Zener Diodes
DESCRIPTION
APPEARANCE
The 1N746UR-1 thru 1N759AUR-1 and 1N4370UR-1 thru 1N4372AUR-1
series of 0.5 watt Zener Voltage Regulators provides a surface mount
equivalent to the popular JEDEC registered 1N746 to 1N759A and 1N4370
to 1N4372A for 2.4 to 12 volts in standard 5% or 10% tolerances as well as
tighter tolerances identified by different suffix letters on the part number.
These glass surface mount DO-213AA Zeners have internal-metallurgical-
bonding and are also available in JAN, JANTX, and JANTXV military
qualifications. Microsemi also offers numerous other Zener products to
meet higher and lower power applications.
DO-213AA
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
•
Surface mount equivalents to the JEDEC registered
•
Regulates voltage over a broad operating
current and temperature range
Selection from 2.4 to 12 V
Hermetically sealed surface mount package
Standard voltage tolerances are plus/minus 5%
with A suffix identification and 10 % with no suffix
Tight tolerances available in plus or minus 2%
or 1% with C or D suffix respectively
Nonsensitive to ESD per MIL-STD-750 Method 1020
Minimal capacitance (see Figure 2)
1N746 thru 1N759A and 1N4370 thru 1N4372A series
•
•
Internal metallurgical bonding
•
•
•
Also available in JAN, JANTX, and JANTXV
qualifications per MIL-PRF-19500/127 by adding the
JAN, JANTX, or JANTXV prefixes to part numbers for
desired level of screening; (e.g. JANTX1N751AUR-1,
JANTXV1N758CUR-1, etc.)
Axial-leaded equivalents also available in DO-35
including JAN, JANTX, and JANTXV military qualified
options to MIL-PRF-19500/127; e.g. JANTX1N753A-1
(see separate data sheet)
•
•
•
•
•
•
Inherently radiation hard as described in Microsemi
DO-7 glass body axial-leaded Zener equivalents are
MicroNote 050
also available
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
•
•
Operating and Storage temperature: -65ºC to +175ºC
•
•
•
CASE: Hermetically sealed glass DO-213AA
Thermal Resistance: 100 ºC/W junction to end or
250ºC/W junction to ambient when mounted on FR4
PC board (1 oz Cu) with recommended footprint (see
last page)
(SOD80 or MLL34) MELF style package
TERMINALS: End caps tin-lead plated solderable
per MIL-STD-750, method 2026
POLARITY: Cathode indicated by band where
diode is to be operated with the banded end positive
with respect to the opposite end for Zener regulation
•
Steady-State Power: 0.5 watts at end cap
temperature TEC < 125oC or 0.5 watts at ambient TA <
50ºC when mounted on FR4 PC board as described
for thermal resistance above (also see Figure 2)
•
•
MARKING: cathode band only
TAPE & REEL option: Standard per EIA-481-B with
12 mm tape, 2000 per 7 inch reel or 5000 per 13
inch reel (add “TR” suffix to part number)
WEIGHT: 0.04 grams
•
•
Forward voltage @200 mA: 1.1 volts
Solder Temperatures: 260 ºC for 10 s (max)
•
•
See package dimensions on last page
Copyright 2003
Microsemi
Page 1
11-03-2003 REV 0
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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