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Home/diodes

Tag: diodes

Diode is a component that primarily allows current to only flow in one direction.

volt.tech Latest Questions

nidhi singh
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nidhi singh
Asked: January 7, 2023In: Power Management

Why BAT63-02V and BAT62-02V Diodes Breaking Down?

  • 0

Hello. I’ve been using the diodes as an RF sensor for 2.4 GHz signals. After many tests, the diodes keep breaking down and I had to change the diodes. Reverse Voltage (Vr) is below the maximum ratings for both of them. ...Read more

Hello.

I’ve been using the diodes as an RF sensor for 2.4 GHz signals. After many tests, the diodes keep breaking down and I had to change the diodes. Reverse Voltage (Vr) is below the maximum ratings for both of them. The circuit used for this is in the document” RF and microwave power discovery with
Schottky diodes” as attached.

Can you please help me understand why this is passing and any suggestions on how I can stop this from passing?

Thank you

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bat62bat63diodespowerrf sensor
  1. vikas Nagpal
    Added an answer on January 10, 2023 at 4:16 pm

    Hello, Have you checked that the bypass capacitor is chosen to be 1nF? So that it has low ohmic capacitive reactance up to 6 GHz. RL between 10kohm and 1Mohm Best regards, Vikas

    Hello,

    Have you checked that the bypass capacitor is chosen to be 1nF?
    So that it has low ohmic capacitive reactance up to 6 GHz.
    RL between 10kohm and 1Mohm

    Best regards,

    Vikas

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Answer
nidhi singh
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nidhi singh
Asked: September 1, 2022In: Diodes & Rectifiers

Definition of “Lead Free”?

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What Is Diodes Incorporated’s Definition of “Lead Free”?

What Is Diodes Incorporated’s Definition of “Lead Free”?

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diodesleadrectifiers
  1. dev krishnan
    Added an answer on September 6, 2022 at 9:43 am

    Diodes Incorporated's products defined as" Lead Free" contain no purposefully added Lead either internally or externally. Only trace elements may remain.

    Diodes Incorporated’s products defined as” Lead Free” contain no purposefully added Lead either internally or externally. Only trace elements may remain.

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Twinkle Garg
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Twinkle Garg
Asked: August 29, 2022In: Diodes & Rectifiers

Difference between Intel and Diodes’ FIFO sizes

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What’s the difference between Intel and Diodes’ FIFO sizes?

What’s the difference between Intel and Diodes’ FIFO sizes?

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diodesfifointelrectifiers
  1. nidhi singh
    Added an answer on August 31, 2022 at 10:09 am

    The Intel 21154 has( in bytes). Primary write = 88 bytes, read = 72 bytes, Delayed entries = 3 secondary write = 152 bytes. read = 152 bytes, Delayed entries = 3. For the Diodes' PI7C8154( posted write buffer and delayed sale buffer data size for FIFOs) primary write = 128 128 bytes. Read = 128 128Read more

    The Intel 21154 has( in bytes). Primary write = 88 bytes, read = 72 bytes, Delayed entries = 3 secondary write = 152 bytes. read = 152 bytes, Delayed entries = 3. For the Diodes’ PI7C8154( posted write buffer and delayed sale buffer data size for FIFOs) primary write = 128 128 bytes. Read = 128 128 bytes. Delayed entries = 8. The same for the secondary. therefore the Diodes’ 8154 has further FIFO buffering than Intel.

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Manoj
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Manoj
Asked: August 24, 2022In: Diodes & Rectifiers

How to Use PI7C7300 in Hot-Swap Hardware

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When using the PI7C7300 in hot-swap hardware, which Voltage Source Supply do I connect it to?

When using the PI7C7300 in hot-swap hardware, which Voltage Source Supply do I connect it to?

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diodeshot-swappi7c7300rectifiers
  1. nidhi singh
    Added an answer on August 26, 2022 at 10:09 am

    According to the hot- exchange specification modification 1.0., the ground should be linked to early power. All other chips on the board should be connected to switched power, which comes latterly, driven from the Hot- exchange regulator.

    According to the hot- exchange specification modification 1.0., the ground should be linked to early power. All other chips on the board should be connected to switched power, which comes latterly, driven from the Hot- exchange regulator.

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geek
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geek
Asked: August 20, 2022In: Diodes & Rectifiers

Hot- Insertion is Safe in PI7C7300D Device

  • 1

Hot- Insertion: Is it guaranteed “Safe” to Remove or fit a module containing the PI7C7300D device from a powered up” live” system?

Hot- Insertion: Is it guaranteed “Safe” to Remove or fit a module containing the PI7C7300D device from a powered up” live” system?

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devicediodespi7c7300drectifiers
  1. Techworld
    Added an answer on August 22, 2022 at 5:06 pm

    The PI7C7300D is" hot- exchange friendly", which basically means it can affiliate to a hot- exchange power regulator. But by itself can not withstand Vcc = 0V and live signals at the I/ O pins-- in this mode, current will flow through our ground. Thus, if ever there's a possibility of this passing,Read more

    The PI7C7300D is” hot- exchange friendly”, which basically means it can affiliate to a hot- exchange power regulator. But by itself can not withstand Vcc = 0V and live signals at the I/ O pins– in this mode, current will flow through our ground. Thus, if ever there’s a possibility of this passing, we require a hot- exchange power regulator and switches for isolation. However, also the less expensive or PI3C32X245 switches are applicable for the signal switches. Most of our guests use this switch in their operations.

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geek
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geek
Asked: August 17, 2022In: Diodes & Rectifiers

How Does we Diodes Define “Green” Products?

  • 1

Can you please explain how we Define Diodes “Green” Products?

Can you please explain how we Define Diodes “Green” Products?

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diodesproductsrectifiers
  1. Techworld
    Added an answer on August 20, 2022 at 9:34 am

    Diodes defines "Green" products as those which are RoHS compliant and contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br Cl) and <1000ppm antimony compounds.

    Diodes defines “Green” products as those which are RoHS compliant and contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br Cl) and <1000ppm antimony compounds.

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Manoj
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Manoj
Asked: August 16, 2022In: Diodes & Rectifiers

Are Diodes’ Dual Transistor Devices?

  • 1

Are Diodes’ dual transistor devices, such as the MMDT series, made with monolithic die?

Are Diodes’ dual transistor devices, such as the MMDT series, made with monolithic die?

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devicesdiodestransistor
  1. geek
    Added an answer on August 17, 2022 at 4:23 pm

    Yes, Diodes manufactures its binary transistor products using separate die which are wire clicked to the lead frames. They aren't monolithic devices.

    Yes, Diodes manufactures its binary transistor products using separate die which are wire clicked to the lead frames. They aren’t monolithic devices.

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umesh kokate
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umesh kokate
Asked: May 28, 2022In: Passives & Protection

Diode selection

  • 0

Dear Mahendra sir. Please help how to select TVS diode for surge protection . How does it work ok surge          

Dear Mahendra sir.

Please help how to select TVS diode for surge protection . How does it work ok surge

 

 

 

 

 

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diodessemiconctortvs diodes
  1. Mahendra Metil
    Added an answer on June 3, 2022 at 10:27 am

    Umesh, Please find attached the file for the selection of the TVS diode. You will understand what parameters need to check & how it works to protect the device from surge spike.

    Umesh,

    Please find attached the file for the selection of the TVS diode. You will understand what parameters need to check & how it works to protect the device from surge spike.

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    Attachment

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  • 2 Answers
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