Zener Diode DOWO SMA4746A Featuring Molded Plastic Epoxy and Built in Strain Relief for Durable Circuit

Key Attributes
Model Number: SMA4746A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+175℃
Impedance(Zzt):
20Ω
Zener Voltage(Range):
17.1V~18.9V
Pd - Power Dissipation:
1W
Zener Voltage(Nom):
18V
Impedance(Zzk):
750Ω
Mfr. Part #:
SMA4746A
Package:
DO-214AC(SMA)
Product Description

Product Overview

High peak reverse power dissipation, glass passivated chip, low leakage, built-in strain relief, and low inductance are key features of these surface mount Zener diodes. Designed for stabilizing and clipping circuits with a high power rating, these lead (Pb)-free components are suitable for various applications.

Product Attributes

  • Brand: dowosemi.cn
  • Material: Glass passivated chip, Molded plastic (Epoxy: UL 94V-0 rate flame retardant)
  • Certifications: Lead (Pb)-free component, Solderable per MIL-STD-750, method 2026

Technical Specifications

Part NumberDevice Marking CodeNominal Zener Voltage (VZ @ IZT) (V)Maximum Zener Impedance (ZZT @ IZT) ()Maximum Reverse Leakage Current (IR @ VR) (A)Maximum DC Zener Current (IZK) (mA)Maximum Surge Current (Irm) (mApk)
SMA4728A28A3.310.0100.0274.01370
SMA4729A29A3.610.0100.0251.01255
SMA4730A30A3.99.050.0232.01160
SMA4731A31A4.39.010.0210.01050
SMA4732A32A4.78.010.0192.0960
SMA4733A33A5.17.010.0177.0885
SMA4734A34A5.65.010.0161.0805
SMA4735A35A6.22.010.0146.0730
SMA4736A36A6.83.55.0133.0660
SMA4737A37A7.54.05.0121.0605
SMA4738A38A8.24.55.0110.0550
SMA4739A39A9.15.00.5100.0500
SMA4740A40A10.07.00.591.0454
SMA4741A41A11.08.00.183.0414
SMA4742A42A12.09.00.176.0380
SMA4743A43A13.010.00.169.0344
SMA4744A44A15.014.00.161.0305
SMA4745A45A16.016.00.157.0285
SMA4746A46A18.020.00.150.0250
SMA4747A47A20.022.00.145.0225
SMA4748A48A22.023.00.141.0205
SMA4749A49A24.025.00.138.0190
SMA4750A50A27.035.00.134.0170
SMA4751A51A30.040.00.130.0150
SMA4752A52A33.045.00.127.0135
SMA4753A53A36.050.00.125.0125
SMA4754A54A39.060.00.123.0115
SMA4755A55A43.070.00.122.0110
SMA4756A56A47.080.00.119.095
SMA4757A57A51.095.00.118.090
SMA4758A58A56.0110.00.116.080
SMA4759A59A62.0125.00.114.070
SMA4760A60A68.0150.00.113.065
SMA4761A61A75.0175.00.112.060
SMA4762A62A82.0200.00.111.055
SMA4763A63A91.0250.00.110.050
SMA4764A64A100.0350.00.19.045
SZ1110A11Z110.0450.00.18.640
SZ1120A12Z120.0550.00.17.837
SZ1130A13Z130.0700.00.17.034
SZ1150A15Z150.01000.00.16.430
SZ1160A16Z160.01100.00.15.828
SZ1180A18Z180.01200.00.15.225
SZ1200A20Z200.01900.00.14.722
SZ1220A22Z220.01600.00.14.020
SZ1240A24Z240.01800.00.13.819
SZ1250A25Z250.02000.00.13.618
SZ1270A27Z270.02100.00.13.316
SZ1300A30Z300.02300.00.13.015
SZ1330A33Z330.02500.00.12.713

Notes:
1. The type number listed have a standard tolerance on the nominal zener voltage of 5 %.
2. The reverse surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC Method.


2410122031_DOWO-SMA4746A_C18548244.pdf

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