Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [mount]

56 questions
29
votes
6 answers

How do I physically work with a hobby motor?

How do I incorporate a hobby-style motor into a project, physically. How do I mount it and connect a wheel to it? (Assume that I have a working H-bridge or even switches, and am not concerned about how to use the motor electrically, just…
Clinton Blackmore
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14
votes
7 answers

Is hot glue a good insulator?

I need to mount some relays that I have soldered wires to. If I place them on a non-conductive surface and use a generous amount of standard glue from a hot glue gun, will that be relatively safe? I'll be running mains level voltage through the…
Matt Ruwe
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11
votes
6 answers

Is wire wrapping still used nowadays?

I know that wire wrapping was used in critical applications where reliability was a major concern because it is more reliable than PCB based assemblies. But is it still true? The AGC (Apollo Guidance Computer) was wire wrapped but what about current…
Blup1980
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10
votes
4 answers

Is it ok to use the PCB as part of the structure of a product?

The industrial and product designers I'm working with keep on coming back to the idea of using the PCB as an integral part of the physical structure of our products. We have wall-mounted products and I am quite uncomfortable with this. My argument…
SpiRail
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9
votes
2 answers

What screw should I use to mount a TO220 package?

What screw size should be used to mount a TIP31 in a TO220 package to a bare PCB (no heatsink?) I presume a nut will also be required on the other side, so would appreciate a part number for that too. (I'm not too clued up on mechanical stuff, so go…
Thomas O
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9
votes
2 answers

Should ventless electrolytic capacitors be mounted upside down?

I read in this CDE application guide and this Nichicon application guide that if a screw terminal electrolytic capacitor is installed upside-down, the vent may not function properly and the electrolyte may leak out. Proper orientation is upright, or…
Stephen Collings
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7
votes
2 answers

How do you mount an LED

Can someone explain to me a good way to mount a 5mm component LED? A little background on the project to help. I'm working on a prop that will be carved out of styrofoam. I will be using LED's to illuminate recesses of the prop. The LED themselves…
William
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7
votes
1 answer

Does DIN rail have a weight limit?

Lots of industrial electronic hardware mounts to DIN rail. I would think there must be a weight limit to such mounting. But I haven't been able to identify one. Is there a defined weight limit, either by written standard or accepted practice?
Stephen Collings
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7
votes
1 answer

What is "flush mount socket" in this 40yr old Tek scope?

EEVblog Dave shows us flush mount socketed IC's in this Tektronix 213 Portable Oscilloscope teardown, but it is hard to see and understand what exactly is a flush mount socket. Can someone explain how it is done and why? The video at 7'46" and a…
jippie
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6
votes
1 answer

Do solder-mount screws exist?

I have a small circuit board that has no mounting holes but does provide unpopulated test point pads. Is there any option for machine screws or standoffs that I could solder into these for mounting the board?
Ignacio Vazquez-Abrams
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5
votes
4 answers

How to mount electronics on a vehicle chassis safely

I want to implement a control system I designed for a light electric motorbike. I would like to mount it as professionally as possible on the chassis. It consists of a power system pcb and a SAMC21 development board which I'll merge later once this…
Eliott W
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5
votes
1 answer

Mounting through hole package on busbar

Through-hole components are not designed to be busbar mounted. But I have the need to use "laminated" busbar because of some factors (among others): High current Small parasitic inductance Power PCBs are also not available for small production, or…
Diego C Nascimento
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5
votes
1 answer

Mounting AC-DC converter on PCB

I need to figure out how to physically mount the following AC-DC converter to a PCB to be used as part of a regulated power supply. The pin height is min 3.0 mm. Should I mount it as a through-hole component, a surface mount component, or have a…
Brown1
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4
votes
1 answer

How to affix graphic LCD to PCB?

I'd like to mount a small (2.5") graphic LCD or OLED display on a PCB. I believe it should look something like this: I've seen this done (links to pics) on my LM3S6965 development kit, on my TI Evalbot, and on this Sparkfun breakout board. All of…
Kevin Vermeer
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3
votes
1 answer

Small (max 5x5 mm) connector, panel mount, for asyncronous serial interface?

I opened a small router and hooked up 2 wires on the PCB (to catch the serial data). That works fine. Now I'm looking for a way to make a small (tiny) connector in the enclosure, so for future use i can easy attach a connector. My question, in the…
Roger
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