Voltage Stabilization Zener Diode PDW 1SMA4755A with SMA Plastic Package and Low Zener Impedance

Key Attributes
Model Number: 1SMA4755A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
80Ω
Pd - Power Dissipation:
1W
Zener Voltage(Range):
44.6V~49.4V
Zener Voltage(Nom):
47V
Impedance(Zzk):
1.5kΩ
Mfr. Part #:
1SMA4755A
Package:
SMA(DO-214AC)
Product Description

Product Overview

The 1SMA47 Series Zener Diodes are high-performance voltage stabilization devices designed for surface-mounted applications. They offer excellent voltage stabilization and regulation capabilities, making them suitable for a wide range of industrial uses. Key features include low Zener impedance, a low regulation factor, and a robust epoxy resin package that is RoHS Compliant. These diodes are engineered for reliable performance in voltage stabilization and voltage regulation circuits.

Product Attributes

  • Brand: PDW
  • Series: 1SMA47 Series
  • Package Type: SMA (DO-214AC) Plastic Package
  • Lead Finish: Matte Tin
  • Case Material: Epoxy Molding Compound
  • UL Flammability Classification: 94V-0
  • Moisture Sensitivity: Level 1 per J-STD-020
  • Compliance: RoHS Compliant

Technical Specifications

Absolute Maximum Ratings

Parameter Symbol Value Units Remarks
Power Dissipation @TL=75 PD 1 W
Maximum Forward Voltage @IF=200mA VF 1.2 V
Typical Thermal Resistance Junction to Lead RJL 30 /W
Typical Thermal Resistance Junction to Ambient RJA 220 /W
Operating Temperature Range TJ -55 to 150
Storage Temperature Range TSTG -55 to 150

Electrical Characteristics

Part Number Marking Code Zener Voltage VZ @ IZT (Nom) Min (V) Max (V) Test Current IZT Maximum Zener Impedance ZZT @ IZT Maximum Zener Impedance ZZK @ IZK Maximum Reverse Current IR @VR Maximum Zener Current IZM Units
1SMA4728A 728A 3.3 3.14 3.47 76 10 400 1 274 mA/V//A
1SMA4729A 729A 3.6 3.42 3.78 69 10 400 1 251 mA/V//A
1SMA4730A 730A 3.9 3.71 4.10 64 9 400 1 232 mA/V//A
1SMA4731A 731A 4.3 4.09 4.52 58 9 400 1 210 mA/V//A
1SMA4732A 732A 4.7 4.47 4.94 53 9 500 1 192 mA/V//A
1SMA4733A 733A 5.1 4.8 5.4 49 7 550 1 178 mA/V//A
1SMA4734A 734A 5.6 5.3 5.9 45 5 600 1 162 mA/V//A
1SMA4735A 735A 6.2 5.8 6.6 41 2 700 1 146 mA/V//A
1SMA4736A 736A 6.8 6.4 7.2 37 3.5 700 1 133 mA/V//A
1SMA4737A 737A 7.5 7.1 7.9 34 4 700 0.5 121 mA/V//A
1SMA4738A 738A 8.2 7.7 8.7 31 4.5 700 0.5 110 mA/V//A
1SMA4739A 739A 9.1 8.6 9.6 28 5 700 0.5 100 mA/V//A
1SMA4740A 740A 10 9.5 10.5 25 7 700 0.25 91 mA/V//A
1SMA4741A 741A 11 10.4 11.6 23 8 700 0.25 83 mA/V//A
1SMA4742A 742A 12 11.4 12.6 21 9 700 0.25 76 mA/V//A
1SMA4743A 743A 13 12.3 13.7 19 10 700 0.25 69 mA/V//A
1SMA4744A 744A 15 14.2 15.8 17 14 700 0.25 61 mA/V//A
1SMA4745A 745A 16 15.2 16.8 15.5 16 700 0.25 57 mA/V//A
1SMA4746A 746A 18 17.1 18.9 14 20 750 0.25 50 mA/V//A
1SMA4747A 747A 20 19 21 12.5 22 750 0.25 45 mA/V//A
1SMA4748A 748A 22 20.9 23.1 11.5 23 750 0.25 41 mA/V//A
1SMA4749A 749A 24 22.8 25.2 10.5 25 750 0.25 38 mA/V//A
1SMA4750A 750A 27 25.6 28.4 9.5 35 750 0.25 34 mA/V//A
1SMA4751A 751A 30 28.5 31.5 8.5 40 1000 0.25 30 mA/V//A
1SMA4752A 752A 33 31.3 34.7 7.5 45 1000 0.25 27 mA/V//A
1SMA4753A 753A 36 34.2 37.8 7 50 1000 0.25 25 mA/V//A
1SMA4754A 754A 39 37 41 6.5 60 1000 0.25 23 mA/V//A
1SMA4755A 755A 43 40.8 45.2 6 70 1500 0.25 22 mA/V//A
1SMA4756A 756A 47 44.6 49.4 5.5 80 1500 0.25 19 mA/V//A
1SMA4757A 757A 51 48.4 53.6 5 95 1500 0.25 18 mA/V//A
1SMA4758A 758A 56 53.2 58.8 4.5 110 2000 0.25 16 mA/V//A
1SMA4759A 759A 62 58.9 65.1 4 125 2000 0.25 14 mA/V//A
1SMA4760A 760A 68 64.6 71.4 3.7 150 2000 0.25 13 mA/V//A
1SMA4761A 761A 75 71.2 78.8 3.3 175 2000 0.25 12 mA/V//A
1SMA4762A 762A 82 77.9 86.1 3 200 3000 0.25 11 mA/V//A
1SMA4763A 763A 91 86.4 95.6 2.8 250 3000 0.25 10 mA/V//A
1SMA4764A 764A 100 95 105 2.5 350 3000 0.25 9 mA/V//A

Package Outline Dimensions

Dimension Inches (mm)
Length 0.177 (4.50) to 0.208 (5.28)
Width 0.150 (3.80) to 0.177 (4.50)
Height 0.096 (2.44) to 0.110 (2.79)
Lead Width 0.079 (2.00) to 0.094 (2.40)
Lead Thickness 0.012 (0.305) to 0.016 (0.406)
Footprint Length 0.110 (2.79) to 0.130 (3.30)
Footprint Width 0.091 (2.30) to 0.102 (2.59)

Packing Options

Package Packing Description Packing Quantity
SMA Tape/Reel, 7" reel 2000
SMA Tape/Reel, 13" reel 5000
SMA Bulk 7500

Part Marking System

Component Description
Company Logo PDW
Marking Code XX (Refer to Electrical Characteristics table for specific codes)

2508281512_PDW-1SMA4755A_C49242707.pdf

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