Why we designed this hybrid header the way we did

If you’ve ever had to squeeze both power and control signals onto a single PCB interface, you know the trade‑off all too well. Separate connectors eat up board space, complicate routing, and add extra assembly steps. We see this every day in customer designs, which is why CONSHARE took a different approach with this 5.0mm pitch female header.

Instead of forcing you to choose between a beefy power connector and a delicate signal connector, we combined them into one vertical DIP package. The power pins sit at 5.0mm spacing – enough clearance for 250V AC / 354V DC – while the signal pins run at 2.0mm pitch, carrying everything from encoder feedback to temperature sensors. The result is a single component that handles both jobs, and we’ve seen it cut PCB area by over 30% in real production boards.

Three design choices that actually matter

Power‑signal‑power pin arrangement – not just for symmetry

We placed two power pins on each side of the signal block. That’s not a cosmetic decision. In practice, this layout spreads the current across both edges, so heat doesn’t pile up in one corner. It also puts the signal pins in a natural “quiet zone” between the power paths, which reduces crosstalk – something you’ll notice when measuring sensitive analog signals or high‑speed digital lines.

Semi‑gold plating – where we put the money where it counts

Gold is expensive, and plating the whole terminal with 10μ" gold drives up cost without much benefit. That’s why CONSHARE plates only the contact area with 10μ" gold (over 50μ" nickel), and leaves the solder tails with 80μ" matte tin. The gold gives you stable, oxidation‑free contact resistance where the mating pin rubs against it. The tin gives you perfect solder wetting during wave or hand soldering. It’s the kind of cost‑performance balance that procurement and engineering both appreciate.

LCP housing – because warped connectors waste your time

We’ve seen too many through‑hole connectors deform during lead‑free reflow, causing pin coplanarity issues and expensive rework. That’s why we mold this housing from LCP (UL94V‑0). It stands up to 260°C peak temperatures without twisting, so you get consistent solder joints across every pin – even if your oven profile isn’t perfect.

Reading the electrical specs like a pro

Current derating – what the table really tells you

Notice the derating? That’s not a flaw – it’s thermal reality. When you use more pins, total copper cross‑section goes up, but so does mutual heating. We’ve run the thermal simulations, and these numbers reflect actual steady‑state conditions with 20°C ambient rise. If your design pushes the top end, simply add thermal vias under the power pads – we’ve seen that extend usable headroom by 10‑15%.

Voltage and temperature – built for harsh spots

• Rated AC 250V / DC 354V – covers 24V, 48V, 110V DC systems, and standard line voltages.

• Operating range ‑55°C to +125°C – so you can use it in freezers, engine bays, or next to hot power resistors without worrying.

Two standard signal counts – plus anything in between

We’re highlighting 8‑pin (4×2) and 24‑pin (4×6) because they cover the vast majority of industrial applications. But the same tooling supports signal counts from 4 up to 80 (4×1 to 4×20). If you need 12, 16, 36, or 60 signals, CONSHARE can supply them.

8‑pin signal (4×2) – compact and capable

• 4 power pins (2 left, 2 right) + 8 signal lines.

• Perfect for small motor drives, sensor hubs, or compact power supplies where board real estate is precious.

• We’ve seen this used in drone gimbal controllers and handheld test equipment – it fits where others don’t.

24‑pin signal (4×6) – the workhorse

• 4 power pins + 24 signal lines – enough for multi‑axis servo feedback, BMS cell monitoring (16 cells + temps), or PLC I/O expansion.

• The extra signal rows give you room for differential pairs, shielding, and spare pins for future upgrades.

And if you need a non‑standard count, just tell us your required number and we’ll give you the exact footprint dimensions using the formulas in the drawing (no extra engineering fee for simple variations).

PCB layout – practical tips from our FAE team

The recommended footprint tolerance is ±0.05mm – that’s standard for most PCB fabs. But here are a few things we’ve learned from helping customers debug their layouts:

• Power pin pitch 5.00mm – gives you enough creepage for 250V, but you still need to keep traces clear from other nets. We recommend at least 1.2mm clearance on the outer layers.

• Signal pin pitch 2.00mm – matches typical 0.8mm drill sizes, so you don’t need special tooling.

• Through‑hole vertical – provides far better pull‑out strength than SMT, especially if your board experiences vibration. One customer used this in a railway control unit and passed 5G vibration testing with zero issues.

We’ve also included formulas in the datasheet that let you calculate A, B, D, E dimensions for any signal count – so you can prototype with 8 pins today and scale to 24 later without respinning the whole board.

Real‑world cases – how customers actually use this

Case 1 – Motor drive (8‑pin signal)

A servo drive maker was struggling with two connectors: one for 48V/8A power, another for encoder/Hall signals. The two‑connector solution consumed 35% more board space and needed extra wiring harnesses. They switched to our 8‑pin configuration, routed power through the outer pins and differential encoder pairs through the inner signal pins. Board size shrank by 32%, and assembly went from two wave‑solder passes to one – saving real money.

Case 2 – 16‑cell BMS (24‑pin signal)

A battery pack designer needed to monitor 16 cell voltages and 4 temperature sensors, all while carrying pack‑level power. Signal integrity was critical – any noise would corrupt the cell readings. The 24‑pin configuration gave dedicated channels for each measurement, with power pins at the extremes. After testing, their ±1mV accuracy remained untouched even at 100A discharge current. They later told us they had previously rejected two other connectors because of crosstalk – this one worked straight away.

Case 3 – Custom 40‑pin for test equipment

A customer asked for 40 signal lines plus 4 power pins – not in our standard list. We tooled a 4×10 signal layout using the same housing and terminal design. They got a single unified connector instead of a messy combination of ribbon cable and power lugs. The project was a high‑channel data logger, and they appreciated that the pin mapping matched their existing cable harness without any adapter.

Questions we hear most often (and our honest answers)

Q: Can I change the number of power pins?

The standard gives you 2 on each side (total 4). If you need 6 or 8 total power pins, we can customize – just ask. But we usually recommend staying with 4 and using thicker traces if you need more current, because extra power pins widen the connector and may not be necessary.

Q: Why not full gold plating?

Full gold looks nice but adds 30‑40% to the cost with zero benefit on the solder tails. The tin tails give you better wetting and are easier to inspect. We’ve used this semi‑gold approach for over a decade, and field returns due to contact failure are essentially zero.

Q: Wave soldering – any special precautions?

None. The LCP housing handles standard lead‑free profiles (260°C peak). Just make sure your flux is compatible with tin surfaces – that’s a general PCB assembly rule, not specific to this connector.

Q: Mating header recommendations?

Any standard 5.0mm pitch straight pin header will mate. We often recommend a header with the same pin count and plating, but you can use any reputable brand. If you’re unsure, our support team can suggest a matching part number.

Q: Can this be used for board‑to‑board stacking?

Yes – the vertical through‑hole tails allow stacking when you put a male header on the bottom board and this female header on the top board. The 180° vertical orientation gives you a straight‑through connection.

Q: How do I choose between 8 and 24 signals?

Map every signal that must cross the interface today, then add 20% for future expansion. If that number falls between 8 and 24, go with the higher one – unused pins cost pennies, but a later change costs a redesign. Most of our customers end up with 24 even if they only need 16, because the extra pins are handy for diagnostics.

Quick specs at a glance

About CONSHARE

We don’t just manufacture connectors; we design them alongside you. Every CONSHARE part is built to a strict spec, but more importantly, we back it with application support that actually helps. Whether you need a standard 8‑pin or a custom 60‑pin variant, our team works with your layout files, current requirements, and environmental constraints to make sure the connector fits – not just electrically, but mechanically and thermally.

We’ve been in this business long enough to know that a connector datasheet doesn’t tell the whole story. That’s why we publish real derating curves, share layout tips from past projects, and answer questions honestly (even if it means suggesting a competitor’s part when ours isn’t the best fit).

So if you’re designing a power‑plus‑signal interface and want a connector that won’t force you to compromise, give CONSHARE a call. We’ll help you pick the right pin count, review your PCB footprint, and even run a quick thermal check if you share your expected load profile.

Reach out today – we’re ready when you are.

Product Documentation