Photovoltaic-Output Photocoupler and MOSFET as Replacement for Mechanical Relay

Solid state relay with photovoltaic-output coupler, TLP3906, and MOSFET, TPH1R306PL. Describes design guidance of solid state relay circuit as replacement of mechanical relay.

HVAC application of photovoltaic-output photocoupler and MOSFET as replacement for mechanical relay.
Application circuit diagram of photovoltaic-output photocoupler and MOSFET as replacement for mechanical relay.

特性

  • Solid state relay acheives ""longer life"", ""higher reliability"", and ""more silence"" compared with mechanical relay
  • Photovoltaic coupler : TLP3906
  • MOSFET : TPH1R306PL

說明

  • Solid state relay circuit that phptovoltaic coupler drives power MOSFET directly.
  • Introduction of 5 A DC relay application example.
  • Design guidance of solid state relay as replacement of mechanical relay.

Download overview material for solution

設計文件

供設計人員使用的材料，例如電路操作概述和設計注意事項的解釋。請點擊每個選項以查看內容。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Photocoupler (photovoltaic output) Driving MOSFET・1 Photocoupler (photovoltaic output), VOC=7 V / ISC=12 μA, 3750 Vrms, 4pin SO6
Power MOSFET (N-ch single 30V<VDSS≤60V) Current flow line・1 N-ch MOSFET, 60 V, 0.00134 Ω@10V, SOP Advance, U-MOSⅨ-H

相關文件

我們提供有助於設計和考慮類似電路的材料，例如已安裝產品的應用說明。請點擊每個選項以查看內容。

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