{"product_id":"cdil-4v7-400mw-zener-diode-bzx55c4v7-silicon-planar-voltage-regulator","title":"CDIL 4V7 400mW Zener Diode – BZX55C4V7 Silicon Planar Voltage Regulator","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eCDIL 4V7 400mW Zener Diode\u003c\/strong\u003e (Part No. \u003cstrong\u003eBZX55C4V7\u003c\/strong\u003e) is a high-reliability silicon planar diode designed for precise voltage regulation and transient protection. In forward bias, it operates as a standard diode, but in reverse bias, it maintains a stable \u003cstrong\u003e4.7V breakdown voltage\u003c\/strong\u003e, making it an essential reference element for power supplies and signal-clamping circuits. Housed in a hermetically sealed \u003cstrong\u003eDO-35 glass axial package\u003c\/strong\u003e, this diode offers exceptional thermal stability and long-term performance for professional PCB assemblies and DIY prototypes alike.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePeople also search for:\u003c\/strong\u003e 4.7v zener diode datasheet, bzx55c4v7 cdil, 400mw zener 4v7, do-35 zener diode, voltage regulator diode 4.7v, 1\/2 watt zener diode, bzx55 series zener, cdil semiconductor diodes india.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Continental Device India Ltd. (CDIL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZener Voltage (Vz):\u003c\/strong\u003e 4.7V (Nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 400mW (0.4W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Tolerance:\u003c\/strong\u003e ±5% (C-Series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e DO-35 (Glass Axial)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZener Impedance (Zzt):\u003c\/strong\u003e 60 Ω @ 5mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Leakage Current (Ir):\u003c\/strong\u003e 0.5 µA @ 1V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Voltage (Vf):\u003c\/strong\u003e 1.2V – 1.5V @ 200mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -65°C to +175°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Regulation:\u003c\/strong\u003e Providing a stable 4.7V reference for analog and digital circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClipper Circuits:\u003c\/strong\u003e Limiting signal peaks in audio and communication equipment to prevent distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvervoltage Protection:\u003c\/strong\u003e Safeguarding microcontroller GPIO pins from voltage spikes above 4.7V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supplies:\u003c\/strong\u003e Implementing simple shunt regulators in low-current DC-DC converters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Circuits:\u003c\/strong\u003e Acting as a voltage-sensitive switch for automated control logic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eUsage Notes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation:\u003c\/strong\u003e The black band on the glass body indicates the \u003cstrong\u003eCathode\u003c\/strong\u003e. In typical regulation circuits, the Cathode is connected to the positive rail (Reverse Bias).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Limiting:\u003c\/strong\u003e Always use a series resistor (Rs) to limit the Zener current (Iz) within safe operating limits to prevent thermal damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e While rated for 400mW, keep lead lengths short to the PCB pads to utilize the copper traces as a heat sink for continuous high-current operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1 × CDIL 4V7 400mW Zener Diode (BZX55C4V7)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOMSON ELECTRONICS","offers":[{"title":"Default Title","offer_id":47820879986926,"sku":"DIO-26927","price":2.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2132\/9029\/files\/CDIL_BZX55C4V7_4.7V_400mW_Silicon_Planar_Zener_Diode.jpg?v=1774501964","url":"https:\/\/www.tomsonelectronics.com\/products\/cdil-4v7-400mw-zener-diode-bzx55c4v7-silicon-planar-voltage-regulator","provider":"Tomson Electronics ","version":"1.0","type":"link"}