Advertorials Micron MT41K512M16HA-125 IT:A
available from Alliance Memory In case you have been looking for an alternative source of Micron MT41K512M16HA-125 IT:A DDR3L SDRAMs, for which the last time buy date was January 13, 2019, please be aware that the same device, manufactured by Micron, is available from Alliance Memory under part number AS4C512M16D3L-12BIN.
The only difference between the Micron MT41K512M16HA-125 IT:A and the Alliance Memory AS4C512M16D3L-12BIN is the etched top marking on the part.
This is one of three Micron DDR3L SDRAMs for which Alliance Memory is offering identical replacements. To learn more about long term support of the Micron 8G DDR3 SDRAM devices listed above, please visit:
www.alliancememory.com/micron8g GTK adds fine pitch connectors to its wire to
Using complementary technologies to improve counterfeit component detection
Counterfeit electronic components have long been an issue for OEMs in all sectors. Even the military isn’t immune - a 2012 report by the Senate Armed Services Committee uncovered 1,800 cases of counterfeit parts involving over one million units. And OEMs remain at risk, mostly due to pressures of supply and demand.
Ideally, OEMs would simply buy directly from the component manufacturers or their authorised distributors, where the supply chain is clearly visible and trustworthy. However, component shortages, whether due to product discontinuation or other reasons, can drive them to use other, unauthorised, channels, where lack of traceability can give counterfeits an opportunity to enter the supply chain.
Counterfeits can take many forms. Some, although correctly functional, are standard components sold as higher specification types. Others are relabelled, so their visible legend bears no relation to their internal functionality – if any functionality at all exists. Yet more may be the right parts, but with manufacturing faults. The correctly functional types represent the biggest threat to OEMs, because they could well pass factory tests, only to fail in service, with possibly catastrophic consequences for both user and supplier.
As an independent inspection and test solution provider, Cupio offers two industry leading counterfeit detection technology solutions. Both are effective defence tools, but, together, they provide a comprehensive ability to detect counterfeits, whether their functionality is right but inadequate, wrong, failed, or non-existent. The first involves X-ray inspection while the other uses electrical testing.
X-ray inspection
Cupio supplies Nordson DAGE’s Explorer™ one system for component X-ray inspection solutions. It allows users to quickly and easily see inside incoming components, and compare the results with known good images. Importantly, devices can be inspected while still sealed within their shipping packs, making them physically and commercially easier to return if found to be bad.
Anomalies in lead wires, die sizes and positions, and truncated pins can all be spotted by the Explorer™ one’s X-ray inspection – see examples in Figs 1 and 2.
High quality images are generated through using proprietary X-ray tube and flat panel detector technologies, together with advanced filtering; this allows detailed viewing of images down to 2 µm resolution.
Fig.1: X-ray images of $10 transimpedance diode – Real (L) and Counterfeit (R) (Courtesy Nordson Dage)
board range GTK has expanded its range of fine pitch wire to board connectors with new options for discrete wire applications.
The new 1.2 mm pitch ultra low-profile wire to board connector has a mated height of 1.55 mm, making it ideal for applications where space is limited; it is also polarised to prevent mismating. The PCB header is surface mount, making it suitable for pick and place machines.
The 1.25 mm pitch wire to board range has been expanded with new latched and low- profile versions. The latched version provides a secure connection, which makes it suitable for high vibration applications, while the low-profile version is only 2.1 mm in height when mated and is widely used for backlights on LED displays. Both the latched and low profile headers come as SMT and are supplied on tape and reel for pick and place machines.
The diversity of pitch and pin counts means that GTK can offer wire to board connectors for a wide range of different applications. Fine pitch connectors are typically used in handheld equipment such as bar scanners, data loggers and POS terminals.
Caroline Ebbage, Business Manager for connectors, at GTK said, “As finished product designs are reducing in size for both consumer and industrial electronic products, the PCB real estate becomes more limited and the need for smaller pitch connectors increases. We have an extensive range of wire to board connectors and can assist customers with connector selection and customisation if needed. We can also supply the mating discrete wire cables in whatever volumes are required.”
www.gtk.co.uk
Explorer™ one allows users to perform quality inspections quickly and easily after minimal training, to maximise throughput. Image feedback is provided in real time, while automated inspection routines can be set up to save time while inspecting batches of components.
Electrical testing
A device can be identified as a counterfeit if its performance doesn’t meet its published specification ; this can be checked using electrical testing, as performed by ABI Electronics’ Sentry Counterfeit IC Detector. Sentry operates by acquiring so-called PinPrints – see Fig.3 - of a reference device, for storage and comparison with components that need checking.
A device’s PinPrints are the electrical characteristics of each of its pins when submitted to a dynamic stimulus. Each pin’s response is directly related to the device’s nature, internal structure and manufacturing processes. The set of PinPrints thus acquired by Sentry becomes the unique ‘identification card’ for this device.
The Sentry can apply pin to multi pin checks to ensure that it finds the best combination of tests, to look at the input and output construction of the component. Tolerances can be applied to these measurements and different sets can be taken for different manufacturers’ parts. These tests give the user a strong indication that the bond wire and die configuration within the device are the same as the master sample.
Sentry can be used by Goods Inward staff, with no electronics knowledge, to check incoming components’ validity. Engineers and technicians can also apply it to generate in-depth reports for failure analysis or discussion with suppliers.
www.cupio.co.uk
Fig.2: Ultra-fast diode – Real (L) and Counterfeit (R) (Courtesy Nordson Dage)
Get connected with the Interconnection Specialists
The cable assembly manufacturing service that is offered by Selwyn Electronics continues to grow with increased investment in both our UK and China facilities. This allows us to offer the best possible prices on all of the cable assemblies that we can offer.
The range covers Miniature through to Industrial circular, Ribbon cable, Custom moulded, Waterproof, Coax, Sata (in custom lengths), FFC, Crimp and IDC, and Telecom assemblies, in fact there are very few assemblies that we cannot supply. Just take a look at our website to see the range.
Both facilities are ISO accredited and all assemblies are 100% electronically tested. All orders are controlled from the Selwyn sales office and we can offer a full engineering support service including recommendation of products, drawings, quotations and samples in a short lead time.
Fig.3: PinPrint electrical characteristic traces (Courtesy ABI Electronics)
Contact us with your requirements and see the benefits of dealing with the Interconnection Specialists.
Tel: 01732 765100
Email:
interconnect@selwyn.co.uk www.selwyn.co.uk
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