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Electrical Engineering

Questions tagged [ratings]

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96 questions
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10 votes
2 answers
1k views

I have power supply electrolytic capacitor rated for 63 volts but it running at 63.8 volts. Should I replace it with a higher voltage rated capacitor.
Len Wright's user avatar
  • 101
1 vote
1 answer
56 views

Looking to find the rating of a diode that I took from a donor board that flew off my bench and is never to be seen again. The markings on it were F2 M5. This is a Schottky SMD diode. This diode is ...
Anthony Zeolla's user avatar
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5 votes
4 answers
1k views

I have an IRF3205 MOSFET (datasheet): I have connected a power supply to the gate and source of the FET. The maximum gate to source is 20V. However, the FET is not damaged when I increase the gate ...
JoeyB's user avatar
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1 vote
1 answer
678 views

I am building a battery pack for my solar system at home. I have everything I need except for the circuit breaker. My battery pack can safely output 300 A no problem at 51.2 V. I'm a bit stubborn and ...
DrakeJest's user avatar
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0 votes
0 answers
69 views

Looking for a DC disconnect switch for a solar array, Typically what is done in my area is they use a DC rated circuit breaker instead of using a solar disconnect switch (caused a few fires because of ...
DrakeJest's user avatar
  • 1,011
1 vote
1 answer
72 views

I'm trying to figure out if the G2RL-1A-E power relay is a suitable replacement for a G2RL-1A-E-HA relay. When I study the datasheet, the only difference I see is that the market code distinguishes ...
DavWEB's user avatar
  • 141
2 votes
2 answers
533 views

I've noticed that many DC to DC converters that have have almost the same current output will have inductors that vary vastly in their rating. For instance, I've got two separate buck-boost modules ...
soconnoriv's user avatar
  • 343
7 votes
3 answers
2k views

In answers such as this one, https://electronics.stackexchange.com/a/647135/311631 I've seen suggestions that TVS diodes are not "reliable" under repetitive or continuous operation, such as ...
Tim Williams's user avatar
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1 vote
1 answer
5k views

Just as an example, let's consider two cables, with voltage ratings being respectively 300/300 V and 300/500 V. My understanding is that voltage rating is an indication of the quality of the ...
denny baldini's user avatar
  • 13
5 votes
1 answer
1k views

I'm really confused with resistor power rating and pulses. I'm trying to determine the power rating of a resistor that will receive pulses of potentially 40 volts for 15 milliseconds. During this ...
Toughnerd's user avatar
  • 51
6 votes
4 answers
4k views

As the only functionality of a switch is to interrupt the flow of electricity, it acts like a small resistor right? Lets say that we have a switch that its max ratings are 3A/250V AC. So if we connect ...
matthewg's user avatar
  • 83
0 votes
1 answer
201 views

I am learning electronics and needed a negative rail. I have two transformers that have the same rated input/output voltages but different power ratings and manufactured by different companies. ...
Pat's user avatar
  • 113
0 votes
1 answer
74 views

I am conducting a project to measure Breakdown Voltage and would like to use a protection resistor, please see below. When breakdown happens I will have something like In this case the Power ...
BDV0806's user avatar
  • 1
2 votes
1 answer
286 views

Looking at an ENTSOE paper, I have seen this table in which the typical ''loading factors'' of different generation types are listed (see figure below). But, what is this???? I was supposing that it ...
Samuele Benito Di Gioia's user avatar
  • 545
3 votes
3 answers
883 views

I'm using an Alliance parallel SRAM IC, and under the Electrical Characteristics table, it says VCC can be min 3.0 V, max 5.5 V. In the Absolute Maximum Characteristics table, it says terminal voltage ...
Nick U.'s user avatar
  • 370

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