Pin header sourcing guide

2.54mm Pin Header Sourcing Guide for PCB Assembly and OEM Electronics

A 2.54mm pin header is a male PCB connector used for board-to-board mating, module interfaces, test points, jumper settings and cable-to-board connections. For a reliable quotation, buyers should confirm pitch, row count, positions, mounting style, mating pin length, solder tail length, insulator height, plating, quantity and packing method.

2.54mm vertical DIP pin header connector representative product photo by Kirision — Representative Kirision connector image for specification review. Final structure is confirmed by drawing, sample or BOM details.

2.54mm pin headers are common in control boards, development modules, industrial electronics, test fixtures, display boards, power modules and OEM devices. They look simple, but the mechanical dimensions decide whether the connector fits the PCB, mating socket and enclosure.

For new designs, a drawing or PCB footprint is the best reference. For replacement work, send top, side and mating-face photos with measured dimensions. For distributor stock, define each SKU clearly so the same connector can be reordered without confusion.

Key specifications to confirm

Pitch	Usually 2.54mm, but check if the actual project is 2.00mm or 1.27mm.
Rows and positions	Confirm 1xN, 2xN or total contact count so 20-pin is not confused with 2×10.
Mounting style	Straight, right angle, SMT or through-hole affects PCB assembly and mating direction.
Pin and tail length	Upper mating length controls insertion depth; lower solder tail controls board thickness and soldering.
Insulator height	Plastic body height and color may affect board spacing and enclosure clearance.
Plating and packing	Tin, gold flash, selective gold, bulk bag, tube, reel or label requirements should be stated.

Sourcing guidance for different buyers

EMS and PCB assembly buyers should start from the BOM line and drawing. If a current manufacturer part number is listed, state whether an exact equivalent is required or whether a mechanically compatible alternative can be reviewed.

Hardware engineers should check the complete mated height. A pin header rarely works alone; it normally mates with a female header, IDC socket, jumper cap or test connector.

Distributors should start with a compact range: common 2.54mm single-row and dual-row headers, straight and right-angle structures and several popular pin counts.

RFQ checklist

Product type: breakaway header, fixed pin header, long-tail header, right-angle header or SMT header.
Pitch, rows, positions, mounting style and mating connector.
Pin length above the insulator and solder tail length below the insulator.
Insulator height, body color, plating and packing method.
Quantity, destination country, drawing, BOM line, sample photo or mating connector reference.

Send a connector RFQ

Send drawing, sample photo, BOM, STEP, DWG or PDF files. Kirision can review pitch, rows, positions, mounting style, height, tail length, mating connector, plating, quantity and export document requirements before quotation.

ISO 9001 quality management documentation can be provided for qualified RFQ projects. RoHS material compliance review is available on request when export projects require it.

Send RFQ

FAQ

What is the main risk when replacing a pin header?

The main risk is dimensional mismatch. Pitch and pin count may be correct, but pin length, tail length, insulator height and mounting direction must also match the PCB and mating connector.

Can pin headers be supplied with custom pin length?

Yes. Custom pin length is common for stackable boards, test fixtures and special mating requirements. Buyers should specify both the upper mating length and lower solder tail length.

Is a 2.54mm pin header always compatible with a 2.54mm female header?

Not always. Pitch must match, but mating pin size, insertion depth, body height, row spacing and plating should also be checked.

What should I send for a fast quotation?

Send pitch, rows, positions, mounting style, pin length, plating, quantity and a drawing or clear product photo. If the part mates with another connector, include that connector information too.

Recommended Kirision products for this guide

Use these product families as RFQ starting points. The final connector structure is confirmed by pitch, rows, positions, mounting style, height, tail length, plating, mating connector, drawing or sample details.