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SZ5520

Zener Diode

The SZ5520 is a zener diode from EIC Semiconductor. View the full SZ5520 datasheet below including key specifications, pinout, electrical characteristics, absolute maximum ratings.

Official SZ5520 datasheet (PDF) — the source this page was extracted from.

Manufacturer

EIC Semiconductor

Category

Diodes

Package

DO-214AC (SMA)

Lifecycle

Production (Last Updated: 4 months ago)

SZ5520 Key Specifications

ParameterValue
Impedance7 Ω
Introduction Date2022-06-30
Lifecycle StatusProduction (Last Updated: 4 months ago)
Max Power Dissipation3 W
Number of Elements1
Number of Terminals2
REACH SVHCYes
Reference Voltage20 V
RoHSCompliant
Voltage Tolerance5 %
Zener Current37 mA

SZ5520 Overview

Part: SZ553J-SZ55D0 — Continental Device India Pvt. Limited

Type: Surface Mount Silicon Zener Diode

Description: A series of surface mount silicon Zener diodes offering a complete voltage range from 3.9V to 200V, high peak reverse power dissipation, and low leakage current, housed in a DO-214AC (SMA) package.

Operating Conditions:

  • Operating temperature: -55 to +150 °C (Junction Temperature Range)
  • Zener voltage range: 3.9V to 200V

Absolute Maximum Ratings:

  • Max DC Power Dissipation (at T L = 75°C): 3 W
  • Max Forward Voltage (at I F = 200mA): 1.5 V
  • Max junction/storage temperature: +150 °C

Key Specs:

  • Nominal Zener Voltage (V Z @I ZT): 3.9 V to 200 V (range)
  • Nominal Zener Current (I ZT): 3.7 mA to 192 mA (range)
  • Maximum Zener Impedance (Z ZT @I ZT): 1.5 Ω to 875 Ω (range)
  • Maximum Zener Impedance (Z ZK @I ZK): 400 Ω to 8000 Ω (at I ZK = 0.25 mA or 1.0 mA)
  • Maximum Reverse Leakage Current (I R @V R): 0.5 mA to 80 mA (at various V R)
  • Maximum DC Zener Current (I ZM): 13 mA to 630 mA (range)

Features:

  • Complete Voltage Range, 3.9V to 200V
  • High Peak Reverse Power Dissipation
  • Low Leakage Current
  • Epoxy: UL94V-O rate flame retardant
  • Colour Band Denotes Cathode End
  • AEC-Q101 Compliant and PPAP Capable (with -AQ suffix)

Package:

  • DO-214AC (SMA)

SZ5520 Features

  1. Complete Voltage Range, 3.9V to 200V
  2. High Peak Reverse Power Dissipation
  3. Low Leakage Current
  4. Epoxy : UL94V-O rate flame retardant
  5. Colour Band Denotes Cathode End
  6. 4.This product is available in AEC-Q101 Compliant and PPAP Capable also.

Note: For AEC-Q101 compliant products, please use suffix -AQ in the part number while ordering.

SZ5520 Pin Configuration

SZ5520 Pinout

Package: DO-214AC (SMA) — 2-pin Surface Mount Diode

Pin NumberPin NameTypeDescription
1Cathode–Cathode (marked end, color band)
2Anode+Anode

Notes

  • SZ5520 is a 20V Zener diode in a DO-214AC (SMA) surface-mount package.
  • Nominal Zener Voltage (V_Z): 20V @ I_ZT = 37mA
  • Maximum Zener Impedance (Z_ZT): 7.0Ω @ 37mA
  • Maximum Reverse Leakage Current (I_R): 0.5mA @ 15.2V
  • Maximum DC Zener Current (I_ZM): 135mA
  • Maximum Power Dissipation (P_D): 3W @ T_L = 75°C
  • The cathode end is marked with a color band on the physical package.
  • Pin 1 (Cathode) connects to the banded end; Pin 2 (Anode) is the unmarked end.
  • This is a simple 2-terminal diode; no complex pinout exists beyond anode and cathode.

SZ5520 Electrical Characteristics

TYPENominal Zener VoltageNominal Zener VoltageMaximum Zener ImpedanceMaximum Zener ImpedanceMaximum Zener ImpedanceMaximum Reverse Leakage CurrentMaximum Reverse Leakage CurrentMaximum DC Zener Current
TYPEV Z @I ZTI ZTZ ZT @I ZTZ ZK @I ZKI ZKI R @V RI R @V RI ZM
TYPE(V)(mA)(Ω)(Ω)(mA)I R (mA)V R (V)(mA)
SZ553J3.91924.54001.0801.0630
SZ554D4.31744.54001.0301.0590
SZ554H4.71604.05001.0201.0550
SZ555B5.11473.55501.05.01.0520
SZ555G5.61342.56001.05.02.0480
SZ556C6.21211.57001.05.03.0435
SZ556I6.81102.07001.0504.0393
SZ557F7.51002.07000.5505.0360
SZ558C8.2912.37000.5506.0330
SZ559B9.1822.57000.5507.0297
SZ551010753.57000.3507.6270

SZ553J-SZ55D0

DO-214AC (SMA)

Surface Mount RoHS compliant

An IATF 16949, ISO9001 and ISO 14001 Certified Company

SZ5520 Absolute Maximum Ratings

PARAMETERSYMBOLVALUEUNIT
DC Power Dissipation at T L = 75°C 1P D3W
Maximum Forward Voltage at I F = 200mAV F1.5V
Junction Temperature RangeT J-55 to +150°C
Storage Temperature RangeT S-55 to +150°C

SZ5520 Ordering Information

MPNPackageTemperature RangePacking
SZ5520DO-214AC (SMA)-55 to +150 °Cnull
SZ5520-AQDO-214AC (SMA)-55 to +150 °Cnull

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All Diodes datasheets

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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