1N5281UR Microsemi Corporation, 1N5281UR Datasheet

1N5281UR

Manufacturer Part Number

1N5281UR

Description

500 mW GLASS SURFACE MOUNT ZENER DIODES

Manufacturer

Microsemi Corporation

Datasheet

1.1N5281UR.pdf (3 pages)

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8-29-2005 REV B

IMPORTANT: For the most current data, consult MICROSEMI’s website:

The 1N5221BUR thru 1N5281BUR series of 0.5 watt Zener Voltage

Regulators provides a surface mount equivalent to the popular JEDEC

registered 1N5221B to 1N5281B for 2.4 to 200 volts in standard 5%

tolerances as well as tighter tolerances identified by different suffix letters on

the part number. These are also available with an internal-metallurgical-

bond option by adding a “-1” suffix (see separate data sheet). Microsemi

also offers numerous other Zener products to meet higher and lower power

applications.

Surface mount equivalents to the JEDEC registered

1N5221 thru 1N5281B series

Hermetically sealed surface mount package

RoHS Compliant devices available by adding “e3” suffix

Internal metallurgical bond option available by adding a

“-1” suffix (see separate data sheet for same part

numbers with “-1” suffix)

DO-7 or DO-35 glass body axial-leaded Zener

equivalents also available per JEDEC registration (see

separate data sheet for part numbers 1N5221 thru

1N5281B series

Operating and Storage temperature: -65

Thermal Resistance: 150

and 300

FR4 PC board (1 oz Cu) with recommended footprint

(see last page)

Steady-State Power: 0.5 watts at end cap

temperature T

< 25

for thermal resistance above (see Figure 2 for

derating)

Forward voltage @200 mA: 1.1 volts (maximum)

Solder Temperatures: 260

2005

C when mounted on FR4 PC board as described

8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503

C/W junction to ambient when mounted on

MAXIMUM RATINGS

S C O T T S D A L E D I V I S I O N

FEATURES

< 100

C or ambient temperature T

C/W junction to end cap

C for 10 seconds (max)

DESCRIPTION

C to +175

Scottsdale Division

Microsemi

http://www.microsemi.com

500 mW GLASS SURFACE MOUNT

(or MLL5221 thru MLL5281B, e3)

1N5221UR thru 1N5281BUR, e3

MECHANICAL AND PACKAGING

Regulates voltage over a broad operating

current and temperature range

Selection from 2.4 to 200 V

Standard voltage tolerances are plus/minus 5%

Tight tolerances available in plus or minus 2%

Nonsensitive to ESD per MIL-STD-750 Method 1020

Minimal capacitance (see Figure 3)

Inherently radiation hard as described in Microsemi

MicroNote 050

CASE: Hermetically sealed glass DO-213AA

(SOD80 or MLL34) MELF style package

FINISH: End caps Tin-Lead or RoHS Compliant

annealed matte-Tin plating 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

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

See package dimensions on last page

with B suffix identification and 10 % with A suffix

or 1% with C or D suffix respectively

APPLICATIONS / BENEFITS

ZENER DIODES

APPEARANCE

DO-213AA

Page 1

Related parts for 1N5281UR

1N5281UR Summary of contents

Page 1

The 1N5221BUR thru 1N5281BUR series of 0.5 watt Zener Voltage Regulators provides a surface mount equivalent to the popular JEDEC registered 1N5221B ...

... unless otherwise noted. Based on dc measurements at thermal equilibrium; case temperature maintained at 30 +/- 2 A for all types. See further Notes on following page. Copyright 2005 8-29-2005 REV B 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 ...

Page 3

NOTE 1: Table as shown lists type numbers, which indicate a tolerance of +/-20% with guaranteed limits on only guaranteed limits on ...

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1N5281UR Microsemi Corporation, 1N5281UR Datasheet

1N5281UR

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1N5281UR Summary of contents

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