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A comprehensive guide to selecting PCB connectors (708401 series) for electronic projects. Learn specs, types, application hints, and sourcing tips from Communica's local stock.
Core features, pin layouts, and common uses in South African builds.
How to choose, size, and integrate PCB connectors into your projects reliably.
Range, brands, and advice for quick procurement with VAT invoices and branch pickup.
The PCB connectors 708401 series are a category of board-level connectors designed for secure, repeatable interconnections across a wide variety of electronic projects. Makers, students, engineers, and procurement professionals in South Africa regularly encounter these connectors in prototyping, industrial panel builds, automation, IoT, and educational hardware labs. Sourced from global brands-such as Amphenol, Molex, and Harting-these connectors feature robust insulation, multiple pitch options, and mechanical locking to minimise connection failures over time.
In practical terms, selecting the correct PCB connector is crucial for:
The 708401 family typically refers to a horizontal or vertical PCB header/socket combination, most often with 2.54mm (0.1") pitch, supporting anywhere from 2 to 40 pins. Below is a comparison table to guide typical selection scenarios:
| Feature | 708401 Series (typical) | Comparable Types |
|---|---|---|
| Pitch (mm) | 2.54 | 2.00 / 3.96 |
| Rows | Single/Double | Single/Double |
| Rated Current | 1-3A (varies) | Typically up to 5A |
| Mounting | Through-hole/SMT | Through-hole/SMT |
| Mating Cycles | ~100-500 | Varies |
These connectors are most commonly found in control interface boards, sensor arrays, Arduino shields, and industrial relay cards.
Brands such as Amphenol, Harting, and Molex are regularly stocked at Communica, supporting fast lead times and branch collection.
Suppose you are designing a student project with a microcontroller and several sensors, each needing 5V, GND, and data signals. You could use a 708401-06 connector (2.54mm, 6 pins) for:
Wiring tip (schematic for through-hole):
---1 2 3 4 5 6 PCB connector (top)
5V GND 3V3 D0 D1 D2
For industrial builds, always verify the maximum rated current and voltage in the datasheet-exceeding these can result in overheating, intermittent contact, or board damage. For higher current, consider splitting power lines across multiple pins and using wider traces (consult IPC-2221A for PCB trace width guidelines).
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Verified customerNicolene
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I visit Communica once in a blue moon. Always wish i have more time to look at everything. Good & friendly service. Nothing wrong with a queuing syste...
Currently have only purchased items from their on-line store. Received what I ordered plus quick delivery. No complaints to date.
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I needed a heat-sensitive diode as one of my Philips appliances had had a failure. Philips wants you to throw the entire thing away, but I tried look...
I got the most pleasant service from Sydney and Windie
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Verified customerFor Sonoff ewelink WiFi switch.
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Verified customerExcellent, ask for Sydney. Solved immediately
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Verified customerBig electronic component shop. Counter can be very busy. Lots of parking.
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Verified customerLarge number of electronic components
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Verified customerWaiting time can be annoing.
Verified customerCommunica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
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