0.15 pF capacitance — what it means for high-speed line protection
Its defining characteristic is the 0.15 pF capacitance at 1 MHz, which keeps signal integrity intact on high-speed data lines such as USB 2.0, HDMI, or Gigabit Ethernet where added capacitive loading would otherwise degrade eye diagram margin. The 3.6 V reverse standoff voltage sits comfortably below a 3.3 V supply rail, while the 6.7 V typical breakdown provides the trigger threshold for clamping ESD events.
15 W peak pulse — sizing for ESD and transient events
Rated at 15 W peak pulse power, this device handles the energy from IEC 61000-4-2 ESD strikes at ±8 kV contact or ±15 kV air discharge typical for port protection. The 19 V clamping voltage at 1.7 A peak pulse current (8/20 µs waveform) defines the voltage the protected IC sees during an event. For a 3.3 V CMOS input rated at, say, 5 V absolute maximum, the 19 V clamp means a series resistor or a second-stage low-capacitance steering diode is needed if the downstream part has no internal clamp — a common design consideration for USB 2.0 D+/D− lines.
Bidirectional single channel — layout simplicity
A single bidirectional channel protects one signal line against both positive and negative ESD strikes without needing to orient the part. This simplifies PCB layout for differential pairs or single-ended traces — one device per line, no polarity marking to check during pick-and-place. The 2-X1SON (1x0.60 mm) supplier device package footprint is compact enough for dense mobile or IoT designs.
For BOM lines requiring ESD protection on high-speed interfaces, the TPD1E0B04DPYR is specified into the design with no last-time-buy risk.