Questions tagged [connector]

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

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What is this polarized 2-pin connector?

I'm trying to replicate a system using these two-pin connectors and have been having trouble finding them. They look like Molex type connectors to me, but I can't find similar versions. The pins are ...
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ESP32 PWM: How far can it go and how many things can I control per pin?

I am designing lights lights for my fish tank and came up with the idea of using modular pucks of LEDs on small custom PCBs. This modular design would be easily scalable and reusable for future ...
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2 votes
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Connector identification for Avermedia C875

I have an AverMedia C875 device, I would like to capture an analog output of my VCR with it. The device has a specific connector for such purposes, but I sadly don't have the dongle that originally ...
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Please help identify these 2.0mm pitch wafer wire to board connectors

Please help me find these 2.0mm pitched 6 pin connectors. They are used in this application for UART communication between a wifi module and the main board. The closest thing I found was YYECOM ...
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Tips to replace and soldering the battery connector in pcb

Tips to replace the asus rog gl703 8 pin battery connector, I think using a soldering station that shields nearby circuits with kapton tape and tin paste is a good idea to start with, the board still ...
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Different connector options for 5A [closed]

I am working on a submersible ROV robot with 20 meter tether. The ROV will have 3 motors and a camera and the electronics part will be encased in an ABS case with a monitor and powered through a 12V ...
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Best practices for soldering a larger wire to a smaller connector/terminal?

This is for a 24V 6.25A power supply. The power supply brick will feed into the connector then power a prototype device. What are the conventions or best practices to solder a wire to a much smaller ...
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Seeking help identifying a connector

I'm seeking help identifying a connector. It is 4-pin, 1.25mm pin spacing, and looks similar to a JST, except that this connector is missing the slot and bar guides JST connectors have on their sides,...
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Is there a low profile, right angle 0.1" connector similar to a jumper?

I have a vertical space constrained design. I'm looking for a low profile, female, 2 conductors, right angle, 0.1" pitch connector similar in size to a jumper, preferably not taller than 5 mm. I'...
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1 vote
3 answers
114 views

Should I use heat shrink tubing on solder connectors? [closed]

I learned soldering after IPC-J-STD-001 E during my apprenticeship 10 years ago and my instructor told me that you don't use heat shrink tubing on connectors, but recently I've seen a lot of this and ...
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1 answer
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What is the meaning of the term "with/without positioning bosses" in connectors ? (for AXK6A2337YG AND AXK6A2347YG) [closed]

I need to understand what is the meaning of positioning bosses? Since the model I need is one with positioning bosses, but almost all available on internet are only without positioning bosses, so is ...
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Terminal Block Connector SMT/SMD Version

I am working with a motherboard PCB that has these 3.5mm pitch 10pos terminal block on it for wiring harnesses. I want to replace these wiring harnesses with another accessory PCB now but I am running ...
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2 votes
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How to use panel-mount connectors where the nut goes on the inside of the panel

Some panel-mount controls have the nut on the outside of the panel, like this: Other panel-mount controls have the nut on the inside of the panel, like this: With the nut on the outside, I first ...
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1 answer
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How to connect to camera interface on OVM7251-EAAR-AA0A?

There's a weird connector on the OVM7251-EAAR-AA0A board from Omnivision: It seems to be 40 pin and 2 cm wide, and from the sensor documentation it's supposed to be a 1-lane mipi / lvds interface. ...
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3 votes
1 answer
104 views

What are these battery power connectors called?

I'm trying to source some battery contact connectors for sliding straight metal strips into. They're the sort of thing that are used in power tool batteries, but I want to use them for a different ...
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3 answers
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Servo motor long connection wire

I'm working on a mechanical device that uses three DSM44 servos, two FEETECH Mini Servo FT1117M, one JX PDI-6208MG Metal Gear Digital Servo, and one DS04-NFC 360 Degree Continuous Rotation Micro ...
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2 votes
2 answers
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C-type cable trying to make an OTG cable but only 3 wires - black, red, and blue

I have a C-type cable with only three wires. I took apart the cable to get a better look inside and I only have 3 solder points. I'm trying to make an OTG host of the C cable that I have. Where do I ...
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1 answer
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Should I make these rectangular PCB cutouts larger to account for corner radius?

I am designing a PCB to fit one of these SCART connectors. The recommended PCB layout for the connector includes two rectangular cutouts, each 3.0 x 4.5 mm - these are designed to accommodate brackets ...
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-1 votes
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How do I access USB A connectors when there is not enough space of a standard USB plug?

I've just implanted a Raspberry Pi 3B+ and a radio tuner board (the white PCB below the Pi in the picture below) into a fairly cramped enclosure and now have an issue with its USB connectors: I've got ...
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What is this cylindrical 4-pin connector called?

What is the connector — specifically the one on the left — called? UPDATE: Several folks below mentioned it might be a M16 4-Pin IP68 connector. There is a difference though between the shape of the ...
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1 vote
1 answer
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Is there some mini-plugs for this connector?

I have this connector pictured below. For now I've been soldering my wires directly into these pins. But for some occasions it would be nice to have removable wires. Does some sort of mini pin ...
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3 votes
1 answer
91 views

What battery connector type is this?

Just spent a long time on the JST site and the Molex site trying to identify the following connector. It's got 2mm pitch and is used for a battery connector in a small RC quadcopter. I found them on ...
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1 vote
0 answers
67 views

Is there a name for this 24-pin vintage Howard Jones connector?

Is there a name for this pin layout or style of 24-pin connector? This is a Howard Jones-style connector, circa 1950s I believe? I know similar ones are used for vintage radios, but the layout and how ...
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1 vote
1 answer
87 views

What type of connector is this and how do you safely disconnect it?

While disassembling a Samsung Plasma TV, I've come across this connector labelled "High Voltage" on the power supply PCB. I'm not sure how to remove it from the PCB. It seems to have two ...
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5 votes
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What is the name for this connector socket pin configuration?

Does anyone recognize this female socket pin layout as a standard design of any kind? I was looking at 5-pin CB Radio Microphone sockets, and they are similar, but not the same layout. Also, the ones ...
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1 vote
2 answers
98 views

Best way to connect 2 PCBs side by side? [closed]

I need to connect 2 PCBs side by side and I want to connect power from one to the other. It's a LED project and the current is around 6 A. Is there a connector that can handle this?
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4 answers
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Customary polarity of JST VH power connectors (B2P-VH JST)

I'm improving a PCB design to be more human-error-resistant, with electrical connectors being directional. For the (24V DC) power supply I want to use the B2P-VH JST...
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2 answers
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Multiple conductors used for the same signal

I've inherited a design that has a pair of PCBs mated with two-row mezzanine connectors (0.5mm pitch, 2.5mm mated height) There are two differential pairs that travel through the connectors (RX and TX)...
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1 vote
1 answer
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What is this through-hole component holder used on aluminum PCBs?

I've been buying these cheaps LED lightbulbs and tore them down to see how the LEDs are driven. On all of them I have found this surface mount component that allows a through hole component (here a ...
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1 answer
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Three or four-wire plugs for electronic lab use

I'm doing experiments with various sensors and I'd like to build peripherals with three or four pin plugs. This is DC power (3 or maybe 5 volts) and either an analog signal or low-speed I2C. I'd like ...
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2 votes
1 answer
38 views

Is there a standard for specifying the direction of a right angle wired connector?

When using connectors on wires (e.g. USB cables), there are four potential directions the wire can face relative to the connector: (image snipped from https://www.newnex.com/usb-right-angle-cables....
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1 answer
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Difference between jumper wires and jumper leads

I'd like to know what is the difference between a jumper wire and a jumper lead; sometime I found that they are synonims, other times I found that a jumper wire is the following: other times I found ...
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0 votes
0 answers
81 views

Can anyone identify this connector on my laser cutter cable?

This is the cable to the laser on my laser cutter. It's 2mm pitch. I need to build a new cable and I've been looking and looking for what it is, but no luck. If anyone knows, I'd really appreciate ...
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1 vote
2 answers
690 views

What kind of push-on connector is this?

I have a push-on connector, that looks to be male, but searching for "male push-on connector" doesn't yield any useful results. I have found tons of female push-on connectors, though. What ...
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3 votes
2 answers
152 views

Crossing USB Type-C wires on debug probe

I plan to make debug probe that allows me analyze traffic on USB Type-C cable. I want to make blue middle board from the following schametic: From my point of view right port of the my board is ...
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2 votes
1 answer
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AC versus DC max limit on connector

I have a connector that says 250VAC and 10A max while the same connector has 60VDC and 2.5A max. Why does the current limit differ so much? Link: Hawke InstrumEx
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2 votes
3 answers
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Identification of a Lenovo W530 fan connector type

I have been trying to identify the black connector in the picture. It is from an older Lenovo W530 laptop fan made by Delta. Unfortunately it appears Delta doesn't have a data sheet (I asked them) and ...
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1 vote
2 answers
58 views

Best way to secure MMCX jack-to-jack adaptors?

I'm currently using an MMCX jack-to-jack adaptor to connect a wire from a transceiver to another wire from an antenna. Through this adaptor, the wires click into it. However, I would like to better ...
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12 votes
8 answers
2k views

What type of connector can I use for repetitive testing of board with standard headers?

What type of connector (besides the regular female counterpart) could be used for repetitive connection/disconnection of these pins in circuit boards? The problem with using the regular female ...
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2 answers
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How to use this solderless conector (50 Watts COB LED)?

I bought this 50 Watts 220v COB LED at Aliexpress: It's solderless. The connector is in the upper left corner, but I can't figure out how to connect the wires: must I depress or lift the tabs or just ...
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1 vote
1 answer
74 views

USB-C used only as analog tranmission line and not as intended?

For a side project I was planning on using a connector with about 20 lines/pins and as small as possible. The USB-C popped into my mind since it contains many lines (24), it's very cheap nowadays and ...
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3 votes
1 answer
133 views

A question about type of electrical connector

I have some electronics equipment inside an enclosure and at some point many ground and supply wires needs to be joint. Focusing on the blue wires in the below photo, I soldered three wires on both ...
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2 votes
2 answers
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Enclosure connectors for neon light

I'm putting together an enclosure to hold the transformer and dimmer for a small neon sign. I'm quite comfortable with normal AC/DC stuff, but the output from the neon transformer is super high ...
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0 votes
2 answers
69 views

How do I identify this 30 pin connector on split keyboard?

I have a split keyboard (Goldtouch sk2730). The cable connecting the two halfs is a little short for my purposes. I open up one side of the split and see this: What is the name of this connector and ...
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9 votes
3 answers
2k views

What are these extra pins? (stereo jack connector)

I was looking at 3.5mm stereo headphone jacks on Digikey and saw this part that piqued my curiosity. I do not understand the function and connections for pins 4-9: The red-circled part is the one I'...
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1 vote
1 answer
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Alternative to jumper wire for high speed evaluation board (FPGA)?

I'm working on a Frequency Response Analyzer based around an Altera/Intel FPGA. I'm using an older Cyclone V educational eval board I got for cheap from my university. The only real GPIO I can use are ...
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2 votes
4 answers
148 views

Is it possible to solder leads from a JST connector directly to footprint on PCB?

I want to build a PCB for a charging circuit almost identical to the one shown here. I plan to hook up the circuit to this battery. According to the battery's datasheet, there's a 'JST PH 2-pin' ...
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4 votes
1 answer
148 views

What's the part number of this connector?

I'm looking for the part number of this 14-pin connector or its mating counterpart. The pitch is 1.25mm. Thanks!
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-1 votes
1 answer
44 views

How To Connect Electrodes to Transimpedance Amplifier? [duplicate]

I wrote a post earlier last week asking the same question, but I have better information now. I have a microfluidic cell with silver electrodes with 1mm diameter and about an inch long. I need to ...
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-1 votes
1 answer
64 views

Connecting a radio device with controller (+ power supply) [closed]

I have a min knowledge in electronics, so I am sorry if my questions are stupid for you. I am studying how I can connect a radio device with a controller. The radio device is a transmitter/receiver or ...
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