Datasheets
1N749A by:

Zener Diode, 4.3V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, GLASS PACKAGE-2

Part Details for 1N749A by Fairchild Semiconductor Corporation

Overview of 1N749A by Fairchild Semiconductor Corporation

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Applications Consumer Electronics Energy and Power Systems Electronic Manufacturing Renewable Energy Automotive

Price & Stock for 1N749A

Part # Distributor Description Stock Price Buy
Quest Components Zener Diode, Two Terminal, 4.3 Volt, 5%, DO-7 251
  • 1 $4.0275
  • 10 $2.0138
  • 100 $1.7453
$1.7453 / $4.0275 Buy Now
Quest Components Zener Diode, Two Terminal, 4.3 Volt, 5%, DO-7 2
  • 1 $2.9152
  • 3 $2.1864
$2.1864 / $2.9152 Buy Now
Quest Components Zener Diode, Two Terminal, 4.3 Volt, 5%, DO-7 320
  • 1 $4.0275
  • 26 $2.6850
  • 94 $2.4836
$2.4836 / $4.0275 Buy Now
Rochester Electronics 1N749 - Zener Diode, 4.3V, 5%, 0.5W, Unidirectional, DO-35 ' RoHS: Compliant Status: Obsolete Min Qty: 1 101609
  • 1 $2.1000
  • 25 $2.0600
  • 100 $1.9700
  • 500 $1.8900
  • 1,000 $1.7900
$1.7900 / $2.1000 Buy Now
Component Electronics, Inc IN STOCK SHIP TODAY 10
  • 1 $0.7700
  • 100 $0.5800
  • 1,000 $0.5000
$0.5000 / $0.7700 Buy Now

Part Details for 1N749A

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1N749A Part Data Attributes:

1N749A Fairchild Semiconductor Corporation
Buy Now Datasheet
Compare Parts:
1N749A Fairchild Semiconductor Corporation Zener Diode, 4.3V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, GLASS PACKAGE-2
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP
Part Package Code DO-35
Package Description GLASS PACKAGE-2
Pin Count 2
Reach Compliance Code unknown
ECCN Code EAR99
HTS Code 8541.10.00.50
Case Connection ISOLATED
Configuration SINGLE
Diode Element Material SILICON
Diode Type ZENER DIODE
Dynamic Impedance-Max 18 Ω
JEDEC-95 Code DO-35
JESD-30 Code O-LALF-W2
JESD-609 Code e3
Number of Elements 1
Number of Terminals 2
Operating Temperature-Max 175 °C
Package Body Material GLASS
Package Shape ROUND
Package Style LONG FORM
Polarity UNIDIRECTIONAL
Power Dissipation-Max 0.5 W
Qualification Status Not Qualified
Reference Voltage-Nom 4.3 V
Surface Mount NO
Technology ZENER
Terminal Finish MATTE TIN
Terminal Form WIRE
Terminal Position AXIAL
Voltage Tol-Max 5%
Working Test Current 20 mA

Alternate Parts for 1N749A

This table gives cross-reference parts and alternative options found for 1N749A. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 1N749A, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
JANHCA1N749A Zener Diode, Compensated Devices Inc 1N749A vs JANHCA1N749A
1N749 Zener Diode, 4.3V V(Z), 10%, 0.4W, Silicon, Unidirectional, DO-35 International Semiconductor Inc 1N749A vs 1N749
TC1N749A Zener Diode, 4.3V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, HERMETIC SEALED, GLASS PACKAGE-2 Tak Cheong Electronics (Holdings) Co Ltd 1N749A vs TC1N749A
1N749A Zener Diode, 4.3V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, HERMETIC SEALED PACKAGE-2 MACOM 1N749A vs 1N749A
1N749AFV Zener Diode, 0.4W, Silicon, Unidirectional ROHM Semiconductor 1N749A vs 1N749AFV
1N749AE3 Zener Diode, 4.3V V(Z), 5%, 0.417W, Silicon, Unidirectional, DO-204AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-7, 2 PIN Microsemi Corporation 1N749A vs 1N749AE3
1N749AVM Zener Diode, 0.4W, Silicon, Unidirectional ROHM Semiconductor 1N749A vs 1N749AVM
JANTXV1N749A Zener Diode, 4.3V V(Z), 5%, 0.48W, Silicon, Unidirectional, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN Microsemi Corporation 1N749A vs JANTXV1N749A
1N749T-15A Zener Diode, 0.4W, Silicon, Unidirectional ROHM Semiconductor 1N749A vs 1N749T-15A
1N749AT50R 4.3 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN Fairchild Semiconductor Corporation 1N749A vs 1N749AT50R
Part Number Description Manufacturer Compare
1N749T-83 Zener Diode, 0.4W, Silicon, Unidirectional ROHM Semiconductor 1N749A vs 1N749T-83
1N749AVE Zener Diode, 0.4W, Silicon, Unidirectional ROHM Semiconductor 1N749A vs 1N749AVE
1N749AT-87Y Zener Diode, 0.4W, Silicon, Unidirectional, DO-35 ROHM Semiconductor 1N749A vs 1N749AT-87Y
JAN1N749A-1 Zener Diode, 4.3V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-213AA, Bkc Semiconductors Inc 1N749A vs JAN1N749A-1
1N749 Zener Diode, 4.3V V(Z), 10%, 0.5W, Silicon, Unidirectional, DO-35, DO-35, 2 PIN Fairchild Semiconductor Corporation 1N749A vs 1N749
1N749A Zener Diode, 4.3V V(Z), 5%, 0.4W, Silicon, Unidirectional, DO-35, ROHM Semiconductor 1N749A vs 1N749A
1N749ADRL2 4.3V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN Motorola Mobility LLC 1N749A vs 1N749ADRL2
1N749AFV Zener Diode, 0.4W, Silicon, Unidirectional ROHM Semiconductor 1N749A vs 1N749AFV
1N749 Zener Diode, 4.3V V(Z), 10%, 0.5W, Silicon, Unidirectional, DO-204AH Motorola Semiconductor Products 1N749A vs 1N749
1N749 Zener Diode, 4.3V V(Z), 10%, 0.5W, Silicon, Unidirectional, DO-35, HERMETIC SEALED PACKAGE-2 MACOM 1N749A vs 1N749

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