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quality Surface Mount Voltage Regulating Diode GOODWORK 1SMA4731A with Molded Plastic Case and UL 94V 0 Epoxy factory
quality Surface Mount Voltage Regulating Diode GOODWORK 1SMA4731A with Molded Plastic Case and UL 94V 0 Epoxy factory

Surface Mount Voltage Regulating Diode GOODWORK 1SMA4731A with Molded Plastic Case and UL 94V 0 Epoxy

Key Attributes
Model Number: 1SMA4731A
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
9Ω
Diode Configuration:
Independent
Zener Voltage(Range):
4.06V~4.56V
Pd - Power Dissipation:
500mW
Zener Voltage(Nom):
4.3V
Mfr. Part #:
1SMA4731A
Package:
SMA
Product Description

Product Overview

The 1SMA4728A THRU 1SMA4777A series are surface mount power voltage-regulating diodes designed for high-temperature soldering applications. They offer fast response times, excellent clamping capability, and low leakage current. These diodes are ideal for voltage regulation and transient suppression in various electronic circuits.

Product Attributes

  • Application: Surface mount
  • Soldering: High temperature guaranteed: 260 C / 10 seconds at terminals
  • Response Time: Typically less than 1.0ps from 0 volt to BV min.
  • Leakage Current: Typical IR less than 1mA above 10V
  • Features: Built-in strain relief, excellent clamping capability, low profile package
  • Case: Molded plastic, Epoxy: UL 94V-0 rate flame retardant
  • Lead: Solderable per MIL-STD-202, method 208 guaranteed
  • Polarity: Color band denotes cathode end except Bidirectional
  • Mounting Position: Any
  • Weight: 0.063 grams

Technical Specifications

ParameterSymbol1SMA4728A1SMA4729A1SMA4730A1SMA4731A1SMA4732A1SMA4733A1SMA4734A1SMA4735A1SMA4736A1SMA4737A1SMA4738A1SMA4739A1SMA4740A1SMA4741A1SMA4742A1SMA4743A1SMA4744A1SMA4745A1SMA4746A1SMA4747A1SMA4748A1SMA4749A1SMA4750A1SMA4751A1SMA4752A1SMA4753A1SMA4754A1SMA4755A1SMA4756A1SMA4757A1SMA4758A1SMA4759A1SMA4760A1SMA4761A1SMA4762A1SMA4763A1SMA4764A1SMA4765A1SMA4766A1SMA4767A1SMA4768A1SMA4769A1SMA4770A1SMA4771A1SMA4772A1SMA4773A1SMA4774A1SMA4775A1SMA4776A1SMA4777A
Zener Voltage Range VZT (at IZT) (V)VZ4.84 - 5.365.32 - 5.925.86 - 6.516.46 - 7.187.12 - 7.887.79 - 8.678.60 - 9.599.50 - 10.510.4 - 11.611.4 - 12.612.4 - 14.113.8 - 15.815.2 - 17.116.8 - 19.219.0 - 21.220.8 - 23.322.8 - 26.025.3 - 28.928.2 - 31.331.3 - 34.934.2 - 37.937.2 - 41.540.0 - 45.045.0 - 50.050.0 - 55.055.0 - 60.060.0 - 65.065.0 - 70.070.0 - 75.075.0 - 80.080.0 - 85.085.0 - 90.090.0 - 95.095.0 - 100.0100.0 - 110.0110.0 - 120.0120.0 - 135.0135.0 - 150.0150.0 - 165.0165.0 - 180.0180.0 - 190.0190.0 - 205.0205.0 - 220.0220.0 - 240.0240.0 - 260.0260.0 - 280.0280.0 - 300.0300.0 - 330.0330.0 - 360.0360.0 - 390.0
Reverse Leakage Current IR at VR Max (A)IR1.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.0
Maximum Zener Impedance ZZT (at IZT) ()ZZT18617015414012711610495867971635852474338353228262423212018171514131211109.58.57.57.06.56.05.55.04.54.03.73.43.12.82.52.32.0
Admissible Zener Current IZM (mA)IZM18617015414012711610495867971635852474338353228262423212018171514131211109.58.57.57.06.56.05.55.04.54.03.73.43.12.82.52.32.0
Maximum steady state power dissipation at TL = 75 C (mW)Ptot1000 (1)
Maximum steady state power dissipation at TA = 25 C (mW)Ptot500 (2)
Maximum instantaneous forward voltage at 200 mA (V)VF1.5
Operating junction and storage temperature range (C)TJ, TSTG -65 to +150
Typical thermal resistance, junction to lead (C/W)JL50 (1)
Typical thermal resistance, junction to ambient (C/W)JA250 (2)

2408021744_GOODWORK-1SMA4731A_C17702898.pdf

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