HSP061-4NY8 Circuit Protection

Current - Peak Pulse (10/1000µs):	3A (8/20µs)
Base Part Number:	HSP061
Supplier Device Package:	8-UQFN (2x1)
Package / Case:	8-UFQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Capacitance @ Frequency:	0.5pF @ 200MHz ~ 3GHz
Applications:	HDMI
Power Line Protection:	Yes
Power - Peak Pulse:	--
Series:	HSP
Voltage - Clamping (Max) @ Ipp:	18V (Typ)
Voltage - Breakdown (Min):	6V
Voltage - Reverse Standoff (Typ):	3V
Unidirectional Channels:	4
Type:	Steering (Rail to Rail)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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HSP061-4NY8 Application Field and Working Principle

TVS (Transient Voltage Suppressor) diodes are popularly used in electrical circuits to protect devices from damaging potential surges and electrostatic discharges. The HSP061-4NY8 from Littelfuse is a popular TVS diode specifically designed to meet the needs of high-speed data line electrostatic discharge (ESD) protection.

Application Field

The HSP061-4NY8 is ideal for ESD protection of high-speed data lines and other circuits used in automotive, telecom, consumer electronics, and other industrial applications. It comes in a small, JEDEC outline-compliant surface-mount package designed for space-saving and efficient board layout. The HSP061-4NY8 offers ±15 kV contact IEC 61000-4-2 (ESD) protection and ±15kV air IEC 61000-4-2 (ESD) protection.The HSP061-4NY8 diode is designed for data line ESD (ElectroStatic Discharge) protection of USB Type C receptacles. It is rated for maximum ESD protection up to 15kV contact and 15kV air, as measured by the IEC 61000-4-2 standard. The low 5Ω on-state resistance of the HSP061-4NY8 ensures that it will have minimal impact on signal integrity while protecting critical data lines.

Working Principle

The working principle of the HSP061-4NY8 relies on the diode\'s ability to conduct current in one direction, and block current in the other. It is important to note that this diode can only handle surges of a certain magnitude; once it is triggered, it will cease to function properly and will need to be replaced.When the voltage across the diode exceeds its breakdown voltage (VBR), it switches from a low-impedance ON state to a high-impedance OFF state, effectively blocking the surge. The surge energy is then dissipated as heat in the diode, which can be safely removed through the diode\'s leads or through an appropriate heat sink. The diode\'s low leakage current helps to ensure that only very small amount of the surge energy is dissipated on the circuit side of the diode.When the surge is dissipated, the diode returns to its low-impedance ON state, allowing the circuit to continue functioning normally. The diode\'s fast response time also ensures that it will quickly switch back to an ON state, allowing for minimal disruption to the circuit.

Conclusion

The HSP061-4NY8 diode is designed for ESD protection of high-speed data lines in automotive, telecom, consumer electronics and other industrial applications. It offers ±15 kV contact IEC 61000-4-2 (ESD) protection and ±15kV air IEC 61000-4-2 (ESD) protection. Its low 5Ω on-state resistance ensures minimal impact on signal integrity while protecting critical data lines. The surge protection mechanism of the diode relies on it switching from a low-impedance ON state to a high-impedance OFF state, dissipating the surge energy as heat, before returning to its low-impedance ON state. The diode\'s fast response time ensures that it can quickly switch back to an ON state, allowing for minimal disruption to the circuit.

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