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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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Help identifying hollow spring / inverted header sockets

I'm trying to identify the following hollow sockets which are used to interface with a 0.1" pitched header: (source: US Digital PC5 Broadcom/Avago Compatible Incremental Encoder Cable Driver. ...
JorisL's user avatar
  • 33
7 votes
2 answers
900 views

Which type of female connector is this?

I am reverse engineering a smart LED bulb. I have almost got the all of the components, but one thing I couldn't get is the connector highlighted below. The LED bulb has 2 PCBs: the vertical PCB has a ...
Muhammad Haris's user avatar
4 votes
2 answers
150 views

What type of probes are used to connect to plated-through-holes without soldering a pin into the socket? [duplicate]

Are there probes that are designed to insert snugly into 40-mil holes (about the size of those needed by a DuPont connector)? I am thinking of something that looks like a banana plug with springs on ...
KJ7LNW's user avatar
  • 2,056
0 votes
0 answers
75 views

Managing AT Commands for SIM COM A7672S SIM Module - Header Appending Issue

I'm currently working with the SIM COM A7672S SIM module to download a file in chunks from an Amazon S3 server. I am using the AT command 'AT+HTTPPARA="USERDATA","Range: bytes=0-1023&...
cyber122010's user avatar
0 votes
2 answers
118 views

Proper name for different type of headers

Here are the three types: Please click on the image to enlarge it. The image gets too big or too small. I am not able to keep it in reasonable size. All of these contain pins of 0.1" pitch. They ...
quantum231's user avatar
4 votes
4 answers
1k views

How could I connect a PDIP8 PIC controller to a PCB so I could remove it?

I would like to not solder it in place so I could simply remove it for reprogramming. Is there breadboard-like PCB solderable component which will let me stick the MCU to it and then easily remove it? ...
Ri Di's user avatar
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1 vote
2 answers
138 views

How can I identify this header?

I am trying to find 8 pin, 2.54 mm header on mouser, but had no luck. I don't really know what search keywords should I use, walked through many many pages of "2.54 mm header" results, but ...
Dominykas's user avatar
  • 433
0 votes
2 answers
77 views

Clearance error on pin header solder pads in Eagle

I am getting a clearance error on the Sullins connector PPTC191LFBN-RC. I got the EDA models from Octopart. On including this model in my design I am getting a solder pad clearance error on both the ...
Soham Chakraborty's user avatar
3 votes
2 answers
362 views

How do I tell if certain JST PCB header mates with connector?

I'm trying to find suitable connectors for a PCB I'm designing and it's been rather difficult. I usually use Molex because their website makes it easy to find matching male female connectors. However, ...
Swiss Gnome's user avatar
0 votes
1 answer
46 views

Help identifying this header/connector

Is anyone able to identify the header and housing used here? It's used on the board in 2, 3, and 6 pin variations
Merlin83b's user avatar
1 vote
1 answer
158 views

What is the purpose of pin row header standoffs (the small legs or ribs on bandoliers)?

Image of header documentation from Samtec with the standoff sections highlighted in yellow - note the lengths shown here are reverse usual headers i.e. the pin's short side is usually by the standoffs ...
BanalMoniker's user avatar
0 votes
1 answer
53 views

5A supply for 5A rated header

I have a 24v, 5A power supply into a PCB. Is it okay if the header that it goes into is rated for 5A? (the same current it is taking) or do i need to upgrade and find a header with a higher rating?
narusik's user avatar
  • 13
1 vote
1 answer
148 views

Spacers for pins of long-pinned female headers

Do they sell just the plastic part of board spacers for single-row pin headers? If I want to use a long-pinned female header to effectively make a pass-through header (PCB top-side: female header, PCB ...
kando's user avatar
  • 437
9 votes
3 answers
2k views

What is this Lenovo 4-pin fan header?

I have a Lenovo p620 machine and I'm trying to swap out the terribly loud fans with Noctua PWM fans. The problem is the 2 chassis fans are using a weird 4-pin connector where the ridges are on the far ...
Chris Smith's user avatar
3 votes
4 answers
1k views

Does anyone have any creative ideas to be able to connect and disconnect through-hole board to board headers with only one side soldered? [closed]

We are looking for an inexpensive part with several sources to easily connect two boards together with around 20 signals. We are looking to use two of these headers since there are several sources and ...
GG19228's user avatar
  • 39
1 vote
0 answers
85 views

Temporarily mount SMD 2x5 header for programming

I can't mount the 2x5 header permanently on the PCB, so need a way to temporarily mount it to the solder pad the PCB already has for this 2x5 header. Soldering it would create a mess and is not a ...
eecs's user avatar
  • 165
0 votes
1 answer
183 views

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 ...
curt's user avatar
  • 103
0 votes
2 answers
11k views

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 ...
GNZ's user avatar
  • 1,791
0 votes
4 answers
489 views

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), ...
Sandro's user avatar
  • 7,697
2 votes
3 answers
812 views

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 ...
Korb's user avatar
  • 21
1 vote
1 answer
719 views

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 ...
Selva97's user avatar
  • 543
0 votes
1 answer
110 views

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 ...
fertilebean's user avatar
0 votes
2 answers
356 views

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 ...
the five states's user avatar
0 votes
0 answers
34 views

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 ...
Quang Trieu 's user avatar
0 votes
1 answer
236 views

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 ...
JTaft121's user avatar
2 votes
0 answers
50 views

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....
app_'s user avatar
  • 121
2 votes
2 answers
942 views

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 ...
ktstuff's user avatar
  • 21
0 votes
1 answer
718 views

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 ...
Alex's user avatar
  • 101
2 votes
1 answer
112 views

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 ...
sandyscott's user avatar
0 votes
0 answers
53 views

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 ...
Cubrilo's user avatar
  • 369
2 votes
1 answer
195 views

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 ...
joaquimbarbosa's user avatar
3 votes
1 answer
495 views

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 ...
scriptfoo's user avatar
  • 135
0 votes
0 answers
298 views

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 ...
CorsairGuy's user avatar
0 votes
2 answers
1k views

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 ...
Breakout's user avatar
1 vote
1 answer
340 views

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-...
fxgreen's user avatar
  • 191
0 votes
3 answers
145 views

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 ...
SENTINELITE's user avatar
2 votes
1 answer
922 views

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 ...
FranMartin's user avatar
0 votes
2 answers
420 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 ...
Vertex's user avatar
  • 5
1 vote
1 answer
197 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 ...
Craig Ringer's user avatar
13 votes
4 answers
10k 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?
Pararera's user avatar
  • 441
1 vote
1 answer
105 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 ...
Addybatch's user avatar
0 votes
0 answers
127 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 ...
Molasar's user avatar
  • 43
7 votes
2 answers
273 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 ...
mlomailom's user avatar
0 votes
1 answer
4k 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 ...
fxgreen's user avatar
  • 191
8 votes
2 answers
3k views

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 ...
Barleyman's user avatar
  • 3,666
1 vote
1 answer
173 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 ...
Jonathan Johansen's user avatar
2 votes
1 answer
1k 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 &...
Ed Peguillan III's user avatar
1 vote
0 answers
30 views

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 ...
Simon Marcoux's user avatar
1 vote
4 answers
3k 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-...
mheavers's user avatar
  • 159
1 vote
1 answer
365 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 ...
DrTarr's user avatar
  • 295