1N4744A MICROSEMI, 1N4744A Datasheet

1N4744A

Manufacturer Part Number

1N4744A

Description

Manufacturer

MICROSEMI

Type

Voltage Regulatorr

Datasheet

1.1N4744A.pdf (3 pages)

Specifications of 1N4744A

Number Of Elements

Single

Package Type

DO-41

Zener Voltage (typ)

15V

Zener Test Current

17mA

Voltage Tolerance

Power Dissipation

1000mW

Knee Impedance

14Ohm

Operating Temperature Classification

Military

Rev Curr

5uA

Mounting

Through Hole

Pin Count

Operating Temp Range

-65C to 150C

Lead Free Status / Rohs Status

Not Compliant

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10-18-2005 REV C

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

The popular 1N4728AP thru 1N4764AP series of 1.0 watt Zeners provides

voltage regulation in a selection from 3.3 to 100 volts in 5% tolerances with

other tighter tolerances also available as identified by different suffix letters

in the part number.

classified as Level 1 with no dry pack required. They are also available in

various military screening levels by adding a prefix identifier as described in

the Features below. These plastic molded Zeners with a P suffix provide a

lower thermal resistance compared to the glass-body (G suffix) option for

these same JEDEC part numbers. Both package options are available by

Microsemi in RoHS Compliant devices with an “e3” suffix. Microsemi also

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

test current applications.

• JEDEC registered 1N4728A to 1N4764A

• Extensive voltage selection from 3.3 to 100 V

• Options for screening in accordance with MIL-PRF-

• Surface mount equivalents available as SMAJ4728A to

• RoHS Compliant devices available by adding “e3” suffix

•

19500 for JAN, JANTX, JANTXV, and JANS are

available by adding MQ, MX, MV, or MSP prefixes

respectively to part numbers.

SMAJ4764A and MLL4728A to MLL4764A (consult

factory for others)

Power dissipation at 25

derating in Figure 1).

Operating and Storage temperature: -65

+150

Thermal Resistance: 45

(10 mm) lead length from body, or 105

to ambient when mounted on FR4 PC board (1 oz

Cu) with 4 mm

length 25 mm

Steady-State Power: 1.0 watts at T

inch (10 mm) from body or at T

mounted on FR4 PC board as described for thermal

resistance above (also see Figure 1)

Forward voltage @200 mA: 1.2 volts (maximum)

Solder Temperatures: 260

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

MAXIMUM RATINGS

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

copper pads and track width 1 mm,

FEATURES

These plastic encapsulated Zeners are moisture

C: 1.0 watts (also see

C/W junction to lead at 3/8

DESCRIPTION

C for 10 s (max)

< 45

< 105

C when

C/W junction

C to

C 3/8

Scottsdale Division

Microsemi

1N4728AP thru 1N4764AP,e3 (PLASTIC)

http://www.microsemi.com

•

Regulates voltage over a broad operating current and

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

Flexible axial-lead mounting terminals

Nonsensitive to ESD per MIL-STD-750 Method 1020

Moisture classification is Level 1 per IPC/JEDEC J-

CASE: Void-free transfer molded thermosetting

TERMINALS: Tin-Lead (Sn/Pb) or RoHS Compliant

POLARITY: Cathode indicated by band. Diode to be

MARKING: Part number

TAPE & REEL option: Standard per EIA-296 (add

WEIGHT: 0.7 grams

See package dimensions on last page

Silicon 1 Watt Zener Diodes

temperature range

Standard voltage tolerances are plus/minus 5% with

A suffix and 10 % with no suffix identification

with C or D suffix respectively

STD-020B with no dry pack required

epoxy body meeting UL94V-0

annealed matte-Tin plating solderable per MIL-STD-

750, method 2026

operated with the banded end positive with respect to

the opposite end for Zener regulation

“TR” suffix to part number)

MECHANICAL AND PACKAGING

APPLICATIONS / BENEFITS

DO-41 or

DO-204AL

(Plastic)

APPEARANCE

Page 1

Related parts for 1N4744A

1N4744A Summary of contents

Page 1

... JEDEC part numbers. Both package options are available by Microsemi in RoHS Compliant devices with an “e3” suffix. Microsemi also offers numerous other Zener products to meet higher and lower power and test current applications. ...

Page 2

... 1N4734A 5.6 45 1N4735A 6.2 41 1N4736A 6.8 37 1N4737A 7.5 34 1N4738A 8.2 31 1N4739A 9.1 28 1N4740A 10 25 1N4741A 11 23 1N4742A 12 21 1N4743A 13 19 1N4744A 15 17 1N4745A 16 15.5 1N4746A 18 14 1N4747A 20 12.5 1N4748A 22 11.5 1N4749A 24 10.5 1N4750A 27 9.5 1N4751A 30 8.5 1N4752A 33 7.5 1N4753A 36 7.0 1N4754A 39 6 ...

Page 3

... PACKAGE DIMENSIONS (DO-41 or DO-204AL) Copyright © 2005 10-18-2005 REV C 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 1N4728AP thru 1N4764AP,e3 (PLASTIC) Silicon 1 Watt Zener Diodes GRAPHS FIGURE 2 Capacitance vs. Voltage for Representative Types Microsemi Scottsdale Division FIGURE 3 Page 3 ...

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