Treos diodes provide industry-leading insertion loss and return loss characteristics for stronger usb4tm data transmission

Nijmegen, October 21, 2021: Nexperia, an expert in the field of basic semiconductor devices, today announced the launch of two pesd5v0r1bxsf devices, namely bidirectional electrostatic discharge (ESD) protection diodes with very low clamping and capacitance. The device uses Nexperia treos’s active thyristor rectification technology to ensure the best signal integrity of usb4tm (up to 2 x 20 Gbps) data lines on laptops and peripherals, smartphones and other portable electronic devices.

Stefan Seider, senior product manager of Nexperia, said: “because the budget of insertion loss and return loss of usb4tm ultra-high speed line is limited, Nexperia provides devices that minimize the impact of ESD protection on the total budget, hoping to provide support to design engineers. By providing these two device types, engineers can clamp (Protection level) at ESD voltage And RF performance. “

Pesd5v0r1bdsf is optimized for low clamping and can provide very low insertion loss and return loss, which are -0.28 dB and – 19 dB respectively at 10 GHz. On the other hand, pesd5v0r1bcsf is optimized for RF performance. Its insertion loss and return loss are -0.25 dB and -19.4 dB at 10 GHz, respectively. This makes it an ideal choice for applications with more limited insertion loss and return loss budgets.

Both devices are packaged with ultra-low inductance dsn0603-2 (sod962-2) lead-free pins, with standard pin size of 0.6 mm x 0.3 mm, thickness of 0.3 mm and pads with optimized return loss. For the usb4tm, the receiver (Rx) input must also have AC coupling capacitance. The rated voltage vrwm (2.8 V) of pesd5v0r1bxsf device allows it to be placed directly behind the connector, which is the preferred position to protect the capacitance of the circuit and achieve excellent system level ESD performance. This rated voltage enables it to be down compatible via USB type-c ® All standards connected. These include usb4tm, USB 3.2, older usb3. X, thunderbolt TM and HDMI 2.1 ® (HDMI ® Alternating mode) data line, supporting hdmi2.1 data rates up to 48 Gbps (4 x 12) and thunderbolt TM data rates up to 40 Gbps (2 x 20). At the same time, treos technology can ensure very low ESD clamping voltage to protect sensitive transceivers.

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