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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Determining Headers and Connectors

I'm doing my first non-kit electronics project for computer controlled fans for my electronics closet. The person who posted the project said to use JST headers. There are two four pin connectors for ...
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How does STM32CubeIDE locate the header file in such case?

I created a C/C++ project in STM32CubeIDE as follows: In the main.c I had to write the include as follows: #include "..\Inc\myRandom.h" otherwise if I ...
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What component is like a jumper, but doesn’t actually conduct?

I suppose you all know jumpers, those little things you put on top of 2 male, 2.54 mm pitch, pins. They serve to connect the 2 pins together (often used to "configure" a prototyping board), ...
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How do I get pin headers to reflow flat to the board?

I work for a small company as an apprentice. We build mostly mass produce double sided PCBs. We are having trouble keeping the pin headers flat to the PCB through the reflow oven process. The first ...
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What is difference between lock and latch lock in connectors?

What is difference between lock and latch lock in connectors? eg 87832-1420 is a mentioned as lock and DF51A-14DP-2DSA is mentioned a s latch lock Links: 87832-1420 DF51A-14DP-2DSA(01) Also Detent ...
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Why would adding header cables solve any problems?

I was trying to debug an FPGA to external SDRAM connection and I found that connecting cables to the pins of the address bus fixes the interface in some way. I want to know how/why. Things I'm pretty ...
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What is just the plastic base of pin headers called?

What is this part called? It's the plastic part of a row of pin headers, by itself. I got a strip of these with a kit once but I don't know how to find more of them. They're useful because stacking ...
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IMU 10 DOF (D) dimension

I got the dimension of the 10 DOF IMU model D on the internet. I wonder what is the dimension from the left to the center of the hole of the header pin. Besides that, for this type of header pin, the ...
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Stackable PCB Sockets/Headers

I have two PCBs that I would like to connect/sandwich together via a 1x5 header on the bottom board and a 1x5 socket on the top board. The components I have so far seem to work nicely, the only issue ...
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2 votes
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Looking for a 21 header pin 1.27mm [closed]

I've been looking all over for days but there doesn't seem to be a header pin. I'm looking for a 21 position header pin with a 1.27mm (0.050") pitch. Can someone point me into the right direction....
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Incompatible Breadboard Pitch

I am new to electronics, and I inherited a breadboard from my grandfather. I could fit 2.54 mm headers into it (as shown below): I recently got a new breadboard, but the holes seem to be closer to ...
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Easiest way from 2x10 (0.05" pitch) header to 0.1"

As per title, I have a debug header with a 2x10 0.05" setup on a board I'm working with. This was chosen because of the space constraints. I'm looking for the cleanest way to go from this header ...
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Can anyone identify these PCB connectors?

I've got a board with 3 headers I'd like to connect to, but I can't identiy them to find suitable mating connectors, can anyone here help, or have suggestions for a reasonably secure alternative way ...
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Is there a header pin connector with the pins in the same board plane?

Is there a standard pitch male header pin with pins in the same plane as PCB? My goal is shown on the figure in principle, with edge mounted pins. I would prefer a header connector, but accept single ...
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What are these 0.1'' header 'pin protectors' called?

I was browsing Hackaday a few weeks ago and came by these 0.1 header "pin protectors". I have tried googling every term I could imagine and searched all related categories in Digikey and ...
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3 votes
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What is a "split peg" in a header

Specifically, I ask about the Molex 36638 series header, but I guess that it is a more common term. I searched Images for a peg, for a split peg etc. but I still have no idea what it is about. There ...
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Part number Molex 4 pin wire-to-board connector and 2 pin wire-to-board like Corsair CommanderPro

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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How deep are standard female pin headers?

I have a couple pcbs that will mate together with pin headers. I will have a 15mm standoff to separate these 2 boards. In my research it looks like the female pin header sockets seem to be about the ...
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Disassembling pre-assembled JST Rectangular Plug PHR-4 (0.079")

I'm going to purchase pre-assembled 4-Position Cable Assembly CABLE-PH04 with standard PHR-4 JST connector housing [0.079" (2.00mm) pitch]. The PHR-4 JST connector plug will be connected to mating 4-...
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Can't find socket for the Google Pixel 3 XL Pressure Sensor/Strain Gauge

For the past 4 days, I've been trying to locate this socket, but I'm really struggling. This is now my 3rd attempt at getting help, so I would really appreciate someone more technical, that could help ...
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2 votes
1 answer
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What exact header is this?

What type of headers are used by digi-international in the Development Kit of modules xbee 868lp. Are they commercial or are they developed by Digi? Digi XBee® SX 868 Thanks and best regards, Fran ...
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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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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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12 votes
4 answers
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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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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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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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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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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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2 answers
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Standard 2.54/1.27mm pinheader impedance

Note I turned my answer into something of a collection of free impedance calculators.. I was thinking of using one of the most ubiquitous connectors in the world - 2.54mm pin header. The snag here is ...
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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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2 votes
1 answer
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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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4 answers
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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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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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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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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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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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9 votes
1 answer
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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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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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3 votes
4 answers
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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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7 votes
2 answers
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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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1 vote
3 answers
929 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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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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1 vote
2 answers
261 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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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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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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2 answers
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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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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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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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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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