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Questions tagged [connector]

Mechanical part providing electrical contacts for a cable or electronic circuit board.

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3
votes
2answers
266 views

Minimum distance between two connectors in a high voltage PCB design

My application will have low current (mA) but high voltage lines. High voltage will arriving from external source using banana jacks on the case. I am looking for an example in which someone uses ...
3
votes
0answers
75 views

How to find the right connector?

I have gotten the task of finding an appropriate connector for our application, but given so much information there is on connectors, I don't even know which information is relevant. So this is the ...
0
votes
1answer
18 views

What are the options to properly wire an MFRC522 sensor to an Arduino board?

I have 3 MFRC522 RFID sensors that are hidden in a drawer. Those sensors are connected to an Arduino which is at a distance of 3 meters. Those cards communicate via the SPI protocol. The wiring is ...
0
votes
1answer
76 views

Electronically verify whether cable is connected to RJ45 connector

Background: I have a device that interfaces with a motor controller over RS-485 via an RJ45 socket. Currently, the port is a standard 4x2 RJ45 connector with the RS-485 using pins 2 and 7 ...
1
vote
0answers
36 views

How to calculate distance between two wire-pcb connectors with high voltage for keeping connectors isolation?

I'm planning the way of connecting 8 devices terminal wires all together within a 6kV point (V+), there will be 8 more wires connected to GND (V-). Those V+ and V- points will be in the metal case. ...
1
vote
2answers
72 views

What is this connector called and how do I open it?

And how do I open it to put in a wire? And can I use stranded wire or should i crimp (it's so small ferrule connectors dont fit)
1
vote
1answer
19 views

Does the 969973-3 SMD receptacle need mounting holes?

I am designing a board that uses a 969973-3 wire-to-board receptacle. In its drawing there are specified six 1.2 mm (mounting?) holes. Does anybody know what are they used for? I've seen pictures ...
0
votes
1answer
48 views

What is the difference between 3 and 4 Pin IEC320 C14 Power Sockets?

What is the difference between 3 and 4 Pin IEC320 C14 Power Sockets? Looking at the picture attached from reseller I cannot see what the 4th pin serves and I cannot find a description anywhere short ...
1
vote
1answer
36 views

Can we convert two type of USB ports by simply re-mapping the pins?

So there's lots of different port (or plug) out there like USB type-c, micro USB etc. Where I'm curious to convert between those port is it just simply like re-mapping those pins to the correct ...
4
votes
2answers
178 views

How to join and connect two wires in one connector point professionaly in a high voltage PCB?

Regarding a HV (6KV) PCB design there is a part of the circuitry related to reed relay connection. I have chosen a HV relay (datasheet) with flying lead connection in order to separate physically LV ...
0
votes
1answer
43 views

Location for placing ESD components for UHD video

I am implementing ESD protection for HDMI video input. The HDMI video goes through a custom cable of ours, into a connector board attached to our enclosure, through an edge card connector, into our ...
0
votes
1answer
60 views

Correct type of wire for simple DIY projects involving soldering [closed]

I am making my own bluetooth speaker which will require me soldering wire to PCBs etc. However, I am unsure of which type of wire to buy for the project. I understand that positive and negative wiring ...
1
vote
1answer
75 views

Special requirements 100Mbps (Ethernet) connection to PCB

Is there any special requirements/limitations to how 100Mbps Ethernet conductors can be connected to the PCB? For instance in the design prompting the question I have a Ethernet connection entering ...
0
votes
0answers
45 views

Name of circular AC connector between kettle and base with one prong

What is the part no./name of the circular appliance adapter (with 1-prong) that connects a kettle to the base that allows the kettle to turn freely. Another appliance is the Nespresso Aeroccino3: I ...
0
votes
2answers
87 views

How to connect to unusually spaced PCB edge?

I have a TI-84 keypad for the TI-Nspire calculator and I thought it might be interesting to use it in a project as a button matrix. The connector looks like this: Unfortunately the edge connector has ...
3
votes
1answer
136 views

What type of crimp terminals are these?

In my vehicle, I have a 27-pin connector with Volkswagen OEM part number 8K0 972 701 (male) / 8K0 972 702 (female). Etched onto it is the TE Connectivity logo and the number 1718872-1. I am looking ...
-5
votes
1answer
88 views

What does 8W8 or 7W2 stand for in connector description? [closed]

Pretty straightforward from the title.
0
votes
1answer
33 views

TRRS connector schematic

Can somebody explain the following schematic and how can I use this connector with a TRRS cable: I can see pins 2 and 6 are connected but I don't understand why there are still 4 pins left instead of ...
1
vote
1answer
61 views

Low Profile PCB Connector Identification

There's some connectors on a PCB I would like to make a breakout for, but I'm having trouble identifying the connector type. Could somebody help me identify what type of connector this is, and ...
0
votes
1answer
50 views

Ingress protection(IP Code) at connectors

What does the IP code exactly describe when applied at bulkhead receptacles? The ability to seal the conductors inside of the connector from the environment or the ability to seal the enclosure from ...
2
votes
2answers
351 views

What is this 5 pin connector?

I am trying to identify this 5 pin connector. Any ideas?
1
vote
1answer
50 views

Type of terminal/connector to use for CAN bus on Arduino MKR CAN Shield

Probably, this is obvious to everyone, but since I am a newbie to electrical engineering I am stuck. I have two wires of a CAN bus, (CANL and CANH), and I wish to connect them to the Arduino MKR CAN ...
0
votes
1answer
71 views

PCB power connector identification

Can anyone identify the series of connector used for the AC input of this TDK MSA818 PSU from the late '80s? The pin spacing is ~7.3mm (3.65mm if you count the missing pins) which doesn't match any ...
1
vote
1answer
54 views

Looking for a connector with only images to go on

I'm trying to find the connector used for my vehicle's accelerator pedal. Are there any strategies for finding connectors like this?
1
vote
1answer
77 views

What is the name of this kind of DC power connection?

This connector is going to an LED grow light and is the output of the pictured LED Driver. The output of the driver is 20-30VDC 900mA. First of all, I didn't know that DC power could even use a ...
0
votes
0answers
55 views

6-Pin Battery Connector to 2 Wire Terminal Connection

I have a 16V 6-Pin battery. I am trying to get it so that I am going from a 6-pin connection to a 2 wire connection. I have been unable to find any adapter online so I went ahead and cut off the ...
1
vote
0answers
101 views

What is the name of these colorful connectors?

What is the name of these colorful connector? Standard one or priority? One of the molex family? What is the exact name? PS: The connector is used to attach speakers. There is a marking on each one ...
0
votes
2answers
125 views

What is the intended PCB layout for this Lumberg stereo connector?

I was intending to use the Lumberg 1503 02 3.5mm stereo jack connector on a PCB. After progressing some way through the design, I noticed that the pins for the connector are not on the bottom as I ...
0
votes
2answers
239 views

Butt splice electrical symbol

I'm making a detailed electrical diagram which needs to include splices. From researching on Google I couldn't find the conventional symbol for a butt splice, or even a splice, in an electrical ...
1
vote
4answers
135 views

Can you replace a RJ45 connector with smaller connector?

I'm designing a small board that needs an ethernet connection. However, the RJ45 jack takes considerable space. I would like to reduce the footprint of the connector to safe some space. Would it be ...
1
vote
2answers
79 views

Switch battery usage off when jack 3.5mm is not inserted

I have an ongoing project where I'm using a condenser microphone to record various stuff, it's powered by a CR2032 battery and the output of the microphone is directed to a TRRS jack connector (3.5mm),...
0
votes
2answers
72 views

Can I connect 10 AWG wire carrying up to 25 amps to 10 parallel 1 ohm 10 watt resistors?

I am trying to measure the charge capacity of some LTO battery cells. To do this I want to discharge each battery cell from 2.5 V to 1.7 V. I am going to measure and log the current over the discharge ...
1
vote
2answers
110 views

Ribbon cable pin order

I'm struggling to understand the pin order on a ribbon cable. I want to connect two boards (one main board with the MCU, the other one for the front panel to pots and buttons) and i need a 2x20 ...
0
votes
1answer
70 views

FFC Connector Replacement [closed]

I'm looking for an PCB FFC connector to replace the FH26-24S-0.3SHW(05), which I cannot find stocked anywhere. I've looked for replacements with .3mm pitch, .2mm flex thickness, and 24 contacts, but ...
0
votes
2answers
72 views

What kind of connector do I need to splice this cable?

The LCD display on my range hood started to go bad with dead pixels. The manufacturer sent me a replacement part (see photo). I thought swapping out the part would be trivial. The problem is that the ...
0
votes
1answer
133 views

What connector is this on an LED strip light?

I managed to find some scrap LED strips. I noticed that these have some peculiar connectors on them. Does anyone recognise what connectors these are?
2
votes
0answers
90 views

Identifying and replacing laptop motherboard connector [closed]

My laptop was having cooling issues, to I opened it up to clean the fan. When attempting to start it up afterwards, nothing happened, and soon after I smelled burnt plastic. Upon inspection I ...
0
votes
0answers
26 views

Calculating AC Current connector contact area

I am a design engineer with no/very less knowledge of Electrical Engineering. I am designing an AC current 'blade' connector ( the current rating is 240 V 30~20 A ) which should be smaller in size for ...
0
votes
2answers
76 views

What standard plug and play connector is used for an STP cable in electronic instrumentation?

It seems to me that BNC connectors are only used for coaxial cables. These coaxial cables with BNC connectors are very practical when it comes to plug and play quickly. But for a balanced signal ...
0
votes
0answers
58 views

What's the name for this DIN phono connector?

I just bought an Ortofon RMG212 tonearm without a phono plug connector. What is the name of this connector, so I can find phono plugs to connect to my pre amp? I think it's some sort of 7 pin or maybe ...
2
votes
1answer
64 views

What is this contact on a jack socket schematic?

I'm looking for a 4-poles (TRRS) 3.5mm jack socket with integrated switch, and stumbled upon this connector schematic: (this is an extract from the CLIFF FC68129 datasheet) I understand that pins 1, ...
1
vote
1answer
55 views

Understanding Ports on DAC

So I am working with this DAC and I am trying to attach reference voltages and outputs, but I am confused. Looking at this image of the board, what is the connection to VOUT ? How do I connect to ...
1
vote
1answer
96 views

What is the PCB name of this speaker connector?

I am designing a PCB board in EasyEDA for a DIY audio amp. I have searched in several places to find the proper technical name of this speaker connector but I could not find it. I searched in Mouser ...
1
vote
0answers
69 views

Ensuring good contact between ring terminals and the screw terminals they're bolted to

I'm working on a high-current switching converter for research purposes. Because of the voltages and currents involved, many components use screw terminals to connect to wires. I haven't used screw ...
2
votes
0answers
129 views

How should one terminate litz wire?

When using Litz wire, the accepted method of stripping the wire is by dipping it in a solder bath, which effectively turns the end of it into solid-core wire, so my question is thus: How good is the ...
-1
votes
1answer
83 views

ATX power supply won't turn on when connected to motherboard

I am troubleshooting a problem with a power supply for an HP EX490 Mediasmart server. The power supply no longer powers on when the power button is pressed on the back of the server. I have ...
2
votes
0answers
61 views

Whats the best type of connector for test equipment? [closed]

I am selecting the components to use for a tester I am developing. I am looking at various types of board to board connectors. The requirements are: Rated to least 2A. Rated to ~200v. *High ...
0
votes
0answers
11 views

Series + Parallel Custom Lipo Cell Charging Options

I have a custom LiPo cell, made up of 8x 11.1V 2200 mAh 30C bats. They are wired in pairs in series, and then all four ensuing sets are connected in parallel, to form a 22.2V 8800 mAh battery. I am ...
2
votes
1answer
46 views

What should be assumed regarding the upper frequency of sma connectors

There are infinitely many sellers of sma connectors of various kind in ebay or other stores. This one is an example. But they very seldom specify what is the maximum frequency at which the device can ...
0
votes
2answers
52 views

Common 6-wire sockets/connectors

I'm currently playing around with some load cells in a wheatstone bridge - each cell has 3 wires (sub-1mm thickness). I want to mount these cells onto 2 separate pieces that can be spaced apart to ...