trying to fix AC/DC power plug. I have a Diode that says: GW327 SR560 I THINK this is a Schottkty Diode. Setting meter to Diode test,...

trying to fix AC/DC power plug. I have a Diode that says: GW327 SR560 I THINK this is a Schottkty Diode. Setting meter to Diode test, Im getting, 1.71 Forward and Reverse .171. Normally on diode I know you should get 1 on reverse Are these readings allowable or is the Diode Bad. Thanks.

Hi, I would like to use the 1N5283 diode in a certain application. Like some other applications in power electronics, this diode datasheet...

Hi, I would like to use the 1N5283 diode in a certain application. Like some other applications in power electronics, this diode datasheet too mentions a certain Lead Length to be maintained. (See http://www.datasheetcatalog.org/datasheet/motorola/1N5298.pdf) Could someone please explain this? Why does this distance have to be maintained? (Its got to do with the thermal character...

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Can anyone confirm whether following microwave oven components are dead -diode hvr1x8019:tested with analog ohm meter-short both...

Can anyone confirm whether following microwave oven components are dead -diode hvr1x8019:tested with analog ohm meter-short both directions -rectifier 2x062h 8025:..open in both directions tnx

The motor runs on standard USA 120 V 60 Hz, 14 A, at 5500 RPM. What's the easiest way to slow down the RPM? What about simply adding a...

The motor runs on standard USA 120 V 60 Hz, 14 A, at 5500 RPM. What's the easiest way to slow down the RPM? What about simply adding a diode in series on the power cord? Any advice, references, and links would be appreciated. Thanks.

I have a DC relay with the coil connections marked "+" & "-". Does it matter? The relay operates with either polarity so there is no internal...

I have a DC relay with the coil connections marked "+" & "-". Does it matter? The relay operates with either polarity so there is no internal flyback diode. It's a 24v, 33ma coil for those who want to know. Thanks, Bob

Okay, here's anohter dumb quesiton. Say I have a resistor across the mains power supply. Say its 10k for argeuments sake. Mains here is about...

Okay, here's anohter dumb quesiton. Say I have a resistor across the mains power supply. Say its 10k for argeuments sake. Mains here is about 115VAC. So the resistor will disspate 1.3 watts give or take by my rekoning. Now say I put a diode in series with the resistor. Does the power dispataion now halve? just curious.

The LED ("Light Emitting DIODE") is common place now. In fact it seems like they went from being simple "power on" indicator lamps to...

The LED ("Light Emitting DIODE") is common place now. In fact it seems like they went from being simple "power on" indicator lamps to the lighting of the future for darn near everything. But what I dont understand is why they have never made a "Light Emitting TRIODE"? (LET). It seems there would be many advantages!

Hi, Could any please suggest how to avoid MCU reset with voltage glitches/noise during relay switches ON. I have protected the relay coil with...

Hi, Could any please suggest how to avoid MCU reset with voltage glitches/noise during relay switches ON. I have protected the relay coil with free wheeling diode and MCU with 2x10uF parallel with 100nF near VDD of MCU and 1uF across RESET pin. Regards, NiK

I'm going to make a 12v DC power supply with a linear reg. I will half-wave rectify 12v AC and have a smoothing cap. The load is only...

I'm going to make a 12v DC power supply with a linear reg. I will half-wave rectify 12v AC and have a smoothing cap. The load is only 10ma. So: 12v RMS is 17v peak, minus the diode drop of 0.7 is 16.3v peak. Using a 47uF cap, the ripple will be 3.5v p-p. So the min voltage into the regulator will be 16.3-3.5 = 12.8. Ripple calculated from Vpp = i/fC (.010/(60*47e-6). Am I missing ...

Hi, Can anyone give me some directions on how to develop a circuit simulator from scratch. I need to develop a simple spice...

Hi, Can anyone give me some directions on how to develop a circuit simulator from scratch. I need to develop a simple spice compatible simulator,that can read in spice netlists. I will be using C++ to code the simulator. I need to support only simple R,L,C, diode and mosfet devices and DC,AC and transient analyses. I would be using the Ebbers - Moll models. The problem is that I could not ...

For a project I noticed my Arduino PWM pump controller (basically just an Arduino, MOSFET, and protection diode) was behaving oddly, so I powered...

For a project I noticed my Arduino PWM pump controller (basically just an Arduino, MOSFET, and protection diode) was behaving oddly, so I powered the pump directly from the 12V power supply, turning it off and on as needed manually. I looked more closely at my breadboard, and noticed the drain and source were touching. The circuit had been running for a few minutes this way. Did I damage my...