Littelfuse , a global leader in circuit protection, has developed a new line of broadband protection thyristors that can be used to protect the third or driver side protection of ADSL2 and VDSL2, as well as 30MHz bandwidth VDSL2+ applications and general I/O protection. SDP Series SOT23-5 SIDACtor protection thyristors are suitable for low-capacitance overvoltage protection, eliminating the need for bias voltages and providing strong protection for the chip side of the transformer. The back-to-back configuration provides symmetric ESD protection for the data lines and can be used when there is an AC signal.
SIDACtor in SOT23-5 package The SDP series takes up very little space and is suitable for space-intensive, high-density circuit board designs. The straight-through design of the SOT23-5 package reduces board space on the printed circuit board layout, while the device features four different off-state voltage values ​​that are compatible with a wide range of line drivers. The low capacitance of the device makes it compatible with ADSL2, VDSL2 and 30MHz bandwidth VDSL2+.
The SIDACtor SDP SOT23-5 Series provides an ideal surge protection solution for manufacturers and designers of VDSL, ADSL, access, central office and client modems and gateways that require third-level protection or IC side driver chipset protection. . In addition to its superior electrical performance over comparable thyristors , it enables circuit designers to use existing panel space to upgrade circuit protection for existing production projects or to provide future protection with enhanced protection beyond competing solutions.
SDP Series SOT23-5 SIDACtor Protecting thyristors offers circuit designers a number of key advantages:
- Bidirectional transient voltage protection.
- Overshoot voltage protection better than clamp voltage.
- Nanosecond switching for faster protection against destructive surges.
- The small form factor surface mount SOT23-5 package features a straight-through design that reduces footprint on printed circuit board layout.
- Stable surge ratings up to 50A (8/20μs) ensure excellent performance characteristics.
- Low capacitance and low insertion loss ensure compatibility with ADSL2 and VDSL2, as well as VDSL2+'s 30MHz band planning.
- Complies with YD/T 950, YD/T 993, YD/T 1082, GR 1089 building internal standards, GP 1089 building internal standards, IEC 61000-4-2, IEC 61000-4-5, ITU K.20/21 The base level, ITU K.20/21 enhancement level, TIA-968-A, and TIA-968-B help circuit designers meet global regulatory standards.
Littelfuse SIDACtor Jeff Chin, Global Product Manager for the Protection Thyristor Series, said: "This series is an important new member of our transformer line driver side or third stage surge protection products, which expands the existing SIDACtor The choice of SDP/SEP series and transient suppression diode array SPA product families brings new choices and greater design flexibility to circuit designers. "
SIDACtor The thyristor series has a minimum order quantity of 3,000 and is available in standard tape and reel packaging.
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