Hirose has introduced a connector series for use with secure digital (SD) cards. These connectors have a profile of only 2,9 mm and are fully compliant with the requirements of SD, SDIO and MMC card interfaces.
The DM1 series offers standard or reverse options, both with push-to-insert and push-to-eject mechanisms. Standard features include write protection, card detect switches, and all are shielded with card ground contacts for use with SDIO cards.
A 'soft lock' retention feature allows the card to be accidentally removed without using the ejection mechanism, but avoids damage to the card or connector. This soft lock system will retain the card in place up to a force of approximately 4 Newtons. Four PCB retention tabs secure the connector on the PCB for additional strength as well as providing a grounding point. The connectors are designed for 10 000 mating cycles, with a contact resistance of 80 mΩ.
To simplify production line requirements, the connectors are supplied with location pegs and in tape and reel packaging ready for automatic surface mount placement.
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Telecoms, Datacoms, Wireless, IoT
Espressif Systems has introduced two new members of its ESP32 wireless SoC family: the ESP32-E22, the company’s first Wi-Fi 6E connectivity chip, and the ESP32-H21, an ultra-low-power Bluetooth LE microcontroller aimed at coin-cell and battery-powered devices.
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Telit Cinterion has announced the SE869eK2L, a single-frequency L1 GNSS module designed to help device manufacturers upgrade legacy positioning designs with improved performance and cost efficiency, while preserving design continuity.
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Telecoms, Datacoms, Wireless, IoT
Quectel expands 5G portfolio with new Qualcomm- and UNISOC-based modules.
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Editor's Choice Telecoms, Datacoms, Wireless, IoT
In practice, engineers building compact RTK products keep discovering the same thing: the hardest component in the system is no longer the receiver. It is the antenna.
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Telecoms, Datacoms, Wireless, IoT
Microchip Technology has expanded its atomic clock portfolio with the radiation-tolerant Space CSAC-SA65, a Chip Scale Atomic Clock designed to deliver precise timing for space systems.
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Telecoms, Datacoms, Wireless, IoT
With 400 MHz instantaneous bandwidth and support for carrier frequencies up to 23,6 GHz, Vertex 6.0 is the industry’s first channel emulator designed for next generation 6 G and Wi-Fi 7/8 testing.
Read more...Secure, low-power Bluetooth LE SoC NuVision Electronics
Telecoms, Datacoms, Wireless, IoT
Silicon Labs unveils BG2B, its lowest-power Bluetooth LE SoC with industry-leading power efficiency, security, and integration.
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