1N4688UR-1 Microsemi Corporation, 1N4688UR-1 Datasheet

1N4688UR-1

Manufacturer Part Number

1N4688UR-1

Description

DO213AA/ZENER VOLTAGE REGULATOR DIODE

Manufacturer

Microsemi Corporation

Datasheet

1.1N4678UR-1.pdf (3 pages)

Specifications of 1N4688UR-1

Pack_quantity

Comm_code

85411000

Lead_time

168

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3-12-04 REV A

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

The 1N4678UR-1 thru 1N4717UR-1 series of 0.5 watt glass surface mount

DO-213AA Zener voltage regulators provides a selection from 1.8 to 43 volts

in standard 5% tolerances as well as tighter tolerances with a very low test

current of 50 µA.

identified with the “-1” suffix. This type of internally bonded Zener package

construction is also available with equivalent military screening as described

in the Features section.

products to meet higher and lower power applications.

• Surface mount equivalent to JEDEC registered 1N4678

• Internal metallurgical bond with the “-1” suffix

• Options for screening in accordance with MIL-PRF-

• Nonbonded types also available without the “-1” suffix

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

• Operating and Storage temperature: -65

• Thermal Resistance: 100

• Steady-State Power: 0.5 watts at end cap temperature

• Forward voltage @100 mA: 1.5 volts

• Solder Temperatures: 260

thru 1N4717 series

19500 for JAN, JANTX, JANTXV, and JANS are

available by adding MQ, MX, MV, MSP respectively to

part numbers; (e.g. MX1N4678UR-1, MV1N4701UR-1,

MSP1N4709DUR-1, etc.)

for both the axial and surface mount packages

equivalents also available per JEDEC registration with

part numbers 1N4678 thru 1N4717 on separate data

sheets

250

board (1 oz Cu) with recommended footprint (see last

page Figure 1)

FR4 PC board as described for thermal resistance

above (see Figure 2 for derating)

< 125

C/W junction to ambient when mounted on FR4 PC

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

C or at ambient T

MAXIMUM RATINGS

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

FEATURES

These have an internal-metallurgical-bond option as

C/W junction to end cap, or

C for 10 s (max)

Microsemi also offers numerous other Zener

< 50

DESCRIPTION

C when mounted on

C to +175

Scottsdale Division

Microsemi

http://www.microsemi.com

SURFACE MOUNT 0.5 WATT ZENERS

METALLURGICALLY BONDED GLASS

(or MLL4678-1 thru MLL4717UR-1)

MECHANICAL AND PACKAGING

•

• CASE: Hermetically sealed glass DO-213AA (SOD80

• TERMINALS: End caps tin-lead plated solderable per

• POLARITY: Cathode indicated by band where diode

• MARKING: cathode band only

• TAPE & REEL option: Standard per EIA-481-1-B with

• WEIGHT: 0.04 grams

• See package dimensions on last page

IN4678UR-1 thru 1N4717UR-1

or MLL34) MELF style package

MIL-STD-750, method 2026

is to be operated with the banded end positive with

respect to the opposite end for Zener regulation

12 mm tape, 2000 per 7 inch reel or 5000 per 13 inch

reel (add “TR” suffix to part number)

Regulates voltage over a broad operating current and

temperature range

Extensive selection from 1.8 to 43 V

Standard voltage tolerances are plus/minus 5% with

no suffix

Tight tolerances available in plus or minus 2% or 1%

with additional C or D suffix respectively

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

MicroNote 050

APPLICATIONS / BENEFITS

APPEARANCE

DO-213AA

Page 1

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