Questions tagged [header]

A Header is a physical connector on a pcb, typically with multiple pins or sockets arranged in a 0.1" (2.54mm), 0.05" (1.27mm), 1mm or 0.5mm grid, called the "pitch" of the header.

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2answers
45 views

Female 4 pin fan header

While male 4 pin fan headers are plentiful (e.g., here), I can't find a female version of it. I see lots of them on fan extension cables, but none that can be soldered to a PCB. Does anyone know a ...
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1answer
34 views

Intercept pin headers, three way or the header?

Is there some kind of T-splitter 3-way-splitter etc for pin header blocks? Something that passes through the pins but also contacts them and exposes a set of right angle pins too? So you can use a ...
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1k views

Square vs Round pad

I'm curious why PCBs have one square pad in row for 0.1" headers. What is purpose of putting one square pad? What it indicates? Can you push more amps through square pad than round?
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1answer
95 views

Connectors to sit on rounded surface

Is there such a thing as connectors that sit flush on a rounded surface? Like a crescent shape. Or a flexible connector that would adhere to a rounded shape? For example, I have a pole with a sensor ...
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79 views

Help identifying 6 position (2x3) computer connector

Need help identifying this connector. I am actually looking to purchase a 6 (2x3) position connector of the same kind, so need help with type and where to buy (Mouser, etc). This is from an IBM ...
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2answers
203 views

Identify this PCB connector

Do you know this connector? I tried in vain for hours using a variety of search terms. Pitch is 2.54 mm and width of arc-bent contact is 1.4 mm. I just wish to find a part number, manufacturer and/or ...
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1answer
555 views

Pin Extractor to remove female pins from 0.1" crimp connector housings [closed]

I have a lot of jumper wires with pre-crimped female terminals 0.1" (2.54mm) single-pin housings. I need accurately pull out a wire with precrimped female terminations from crimp connector housing (I ...
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2answers
842 views

Standard 2.54/1.27mm pinheader impedance

I was thinking of using one of the most ubiquitous connectors in the world - 2.54mm pin header. The snag here is that I need to push a relatively high frequency over it 4MHz UART, edge frequency much ...
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1answer
64 views

Why do some IDC connectors have gaps?

At my work we use IDC headers and cable terminators a fair bit, and we've noticed that most headers have a gap on the sides (see image below). It looks like a clip would grab the gap nicely, but have ...
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1answer
593 views

Altium 18 multi-board design. How to connect 2 PCB's with a pin header?

I am trying to use Altium's multi-board design tool to connect 2 PCB's. The PCB's will be connected with a right angle, male-male pin header (shown in image below). Bottom PCB: Motherboard &...
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high pincount stackable header separation

I recently made myself a custom hat for a Raspberry Pi. To connect the Pi and the Hat there is a 2x20 stackable header. However, I find it extremely difficult to separate them once they are mated ...
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4answers
241 views

Jumper wire solution for short header pins /

I installed header pins that fit into a feather microcontroller, but since they are not double sided header pins, the top side is too short to attach normal jumper wires to. Is there some clean, non-...
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61 views

USB 3.0/3.1 Header Connection Type [duplicate]

The standard motherboard USB 3.0 connection looks like a standard 20 pin IDC male with 1 pin missing, however IDC pin pitch is 2.54 mm but this image shows it as a 2.0 mm pitch. Is there a name for ...
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2answers
79 views

What do you call the kind of female header found on Arduinos and shields?

I'm trying to order a batch of headers, the same kind of female headers found on Arduinos and Arduino shields that take male jumper wires as inputs. When I put in the physical characteristics of the ...
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1answer
62 views

Help identifying/using some weird pin headers

EE student who's a little new to the hardware side of electronics here. I could use some advice on how to use these things- I assumed they were pin headers, but I might be wrong about that. They ...
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1answer
116 views

Locking header jumper

I want to implement a 3-header jumper setup in order to switch a microcontroller between two video modes on a PCB. I don't want to use just a standard switch as it doesn't seem appropriate for a ...
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1answer
4k views

How much current can a 0.1" pitch pin header pass?

I'm curious how much current it is safe to pass through a 0.1" pitch pin header. I'm sure it will depend on the gauge and stranding of the wire attached to it as well, but assuming that is not the ...
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119 views

Figuring Out Pin-Header Size for Socket from Datasheet + Ordering Specific Pin-Header Size

I ordered a 24 pin component socket for an Arduino Pro Micro. The specific one can be found here: https://www.mouser.com/ProductDetail/575-11044624?r=575-11044624 However, when I received my ...
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450 views

Type of Header for Motherboard PWR Switch

I am trying to make my own 2-position connector cable to connect a Rasberry to the PWR_SW's PWR and ...
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2answers
568 views

Part number for this Molex 4 pin wire-to-board connector (or similar: Foxconn, Wieson, Tyco, etc)

I'm having a really hard time finding the correct PN for a 4 pin header, used with PWM fans. The header I'm looking for is a 4 pin one, similar to the Molex 47053-1000, but a right angle one. I've ...
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3answers
369 views

Extending header pins

I have to access the 'small' part of soldered header pins. Female jumpers cannot be placed there as the small part is too small. So i thought extending the small part of the header pins so they can ...
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1answer
66 views

wire to board connector for 10 wires [closed]

I was looking for a quick way of attaching 10 wires to a PCB Header. This is for a production job of 50 units at a time, the header style/ design is fixed. Three components are to be attached to the ...
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2answers
131 views

How can I find removable plugs for standard pin headers? [closed]

I'm making a right angle adapter for a module with a 2x10 pin layout that has one blocked. How can I find the little plastic pins to block a hole, ideally ones that are removable? I realize I could ...
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3answers
315 views

0.1" Header Cable Connector w/ Male Pins

I have a Digilent chipKIT Pro MX7 microcontroller development board. The majority of the boards I/O is through what Digilent calls a "Pmod" connector. What they really are is just 2x6 headers with a 0....
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35 views

Do I Need Receptacle or Crimp Terminal with Header?

I am considering to use Molex Nano-Fit Connector however i have never used it before. I will use it on a PCB Board and i am thinking to use only vertical header. I just desire to connect my cables to ...
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2answers
136 views

Kicad CONN_3X8 schematic component?

I am designing a prototype board in Kicad. I need CONN_3X8 schematic component and footprint module for connecting 8 off-board <...
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1answer
389 views

inverted PCB plug approach (to connect two single sided boards with jumpers)

Currently, I'm only capable of producing satisfactory single-sided PCB's. I wouldn't dare to do double-sided, and I'm not at the stage to hire someone to do double-sided PCB's especially when I don't ...
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2answers
455 views

Is there a pin header with 3mm pitch similar to the 0.1" pitch headers?

Is there a standard pin header with a 3mm pitch that is similar to the common 0.1" pitch pin headers (shown in photo below)? I'm not even sure what the correct name for these are. What is the best way ...
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4answers
588 views

Female Lug connector in Eagle

I'm working on a pcb design on eagle, which will be used to test some sensors. The design is made for three different sensors. You connecet the sensor to the pcb, do the test and disconnect. Here'...
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1answer
141 views

How to connect to this FPGA board?

I got this board from ebay, seemed to be a cheap deal. It is decent product from what I can say at this time. The question is, what is the most appropriate way to connect a daughter board to this ...
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2answers
225 views

Connecting two PCBs with different headers

I would like to connect these 2 boards together. Left one has male header, right one female. Ground and 3V3 supply are not pin-to-pin aligned, while all other pins are. What would be the best way to ...
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2answers
424 views

epoxy for keying box headers?

Edit: after a lot of trial and error I discovered that JB Weld works amazingly well for this. You want the original two-part epoxy that comes in two completely separate tubes (not the newer stuff ...
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2answers
961 views

Use Teensy 3.2 in breadboard without soldering

I bought a Teensy 3.2 board, and the package included some headers: I want to use the Teensy in a breadboard, and so I plugged in the headers and put the entire thing in my breadboard: The little ...
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3answers
550 views

Headers nomenclature — rows and positions

I want to but this kind of header -- essentially 6 pins, 3 in each row: On the mouser search, there are parameters called rows and positions. I want to be sure what this would be called --- 2-rows 6-...
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1answer
1k views

BNC connector schema pins

I am making a PCB using Eagle which features a few BNC connectors. Eagle comes with the RADIALL R141426161 component so I'll just use these instead of searching for other ones. The component has the ...
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2answers
719 views

Header frequency limit

At what point will I start having trouble with noise and parasitic capacitance/inductance when using standard 0.1in header pins? If I'm using an MCU capable of driving a 20MHz SPI bus, would it be ...
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2answers
401 views

How can I avoid mixing up pins or mirroring pinouts on pin header connectors?

A chronic problem for me when laying out PCBs is pinout mixups on header connectors -- sometimes I will inadvertently interchange adjacent pins or hook pins to things that seem right but aren't, at ...
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1answer
117 views

MacBook Air Header Identification

Simple question: Can someone please help me identify this header type on my MacBook Air's (i7 A1369) motherboard. Bottom line is a series of unfortunate events have led me to have to reset the the ...
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1answer
752 views

Best way to solder connections between header posts?

I have a project that uses about 200 solderless jumper wires connecting header posts from one circuit board to the next. Now that the whole thing works, I want to ditch the "temporary" connections in ...
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1answer
196 views

PCB mount socket for 1mm diameter pin

I have a module that I want to be able to plug into a custom PCB (i.e. not solder directly). The pins of the module are 1mm diameter and would be inserted perpendicular to the custom PCB. What sort of ...
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1answer
91 views

How to check female header connection?

I am very inexperienced at electronics, but I have recently tried to connect a wireless chip to my microcontroller. I soldered some header pins to my board to allow me to remove the chip when needed ...
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3answers
840 views

Methods for removing solder from inside a header socket

While soldering a header socket I sometimes apply too much solder and it flows through, partially filling in one or two of the female sockets holes. This prevents the male headers from being inserted ...
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2answers
851 views

SATA over unshielded cable

I need to connect a SATA device to a development board which does not have a dedicated SATA connector but exposes SATA over a common 2x30 female header instead. My question is what cabling do I need ...
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4answers
145 views

what is the name of this part

I'm trying to be this part separately but I don't really know its exact name therefore I couldn't find it. It's the black separators highlighted in the red rectangle that I'm looking for. I tried ...
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3answers
1k views

Connecting 2 male headers on a pcb together

I have 2 male headers like this on 2 different boards: I need to connect 2 such male headers together. One way to do this would be to use something like individual female to female jumper wires. ...
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1answer
476 views

Is there any way to force square header pins into round holes?

I got a kit in the mail with some PCBs and components to solder to it, but the headers that it came with don't seem to quite fit in the PCB holes they're meant to go in. The header pins are square, ...
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2answers
483 views

Bottomless SIP Socket/Machine Pin Header?

I'm working on a personal PCB design project where I need to be able to remove a component easily (to swap out, etc). The component has two rows of 8 pins (standard 0.1" pitch). At first, I designed ...
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1answer
177 views

C Header with bits names for LPC1768

I'm starting with ARM and I program in C for LPC1768. I included "LPC17xx.h". It gives registers names in C. But where are the names of bits? For instance: I want to use UART. So first step: "In the ...
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24k views

Pad hole size for 0.1" Male Headers

I created an Eagle part that has several holes to solder 0.1" pitched break away male headers to, such as the one below. However the pad has a hole thats too narrow for the header! What drill size ...
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2answers
349 views

Am I going to encounter grounding issues with this PCB design?

This is my first time designing a PCB, and because it is part of a project at uni I have the intention of manufacturing it afterwards. The circuit itself is a voltage-controlled oscillator designed ...