1 Features
• Robust IEC 61000-4-2 level 4 ESD protection:
– ±24kV contact discharge
– ±30kV air gap discharge
• IEC 61000-4-5 surge protection:
– 4.5A (8/20μs)
– Low Vclamp of 12V at 1.8A IPP (8/20μs)
• IEC 61000-4-4 EFT protection:
– 80A (5/50ns)
• Bi-directional ESD diode to protect interfaces up to
± 5.5V
• IO capacitance: 0.77pF (typical)
• High DC breakdown voltage: 8.3V (typical)
• Ultra low leakage current: 30pA (typical)
• Low dynamic resistance 0.7Ω (typical)
• Industrial temperature range: –40°C to +125°C
• Industry standard 0402 package

2 Applications
• End equipment:
– Wearables
– Laptops and desktops
– Mobile and tablets
– Set-top boxes
– DVR and NVR
– TV and monitors
– EPOS (electronic point of sale)
• Interfaces:
– 1 Gbps ethernet
– USB 2.0/1.1 with 5.5 V tolerance
– GPIO
– Pushbuttons/keypad
– Audio

3 Description
The ESD401 is a bidirectional TVS ESD protection
diode featuring low RDYN and low clamping voltage.
The ESD401 is rated to dissipate ESD strikes
exceeding the maximum level specified in the IEC
61000-4-2 international standard (Level 4). The low
dynamic resistance (0.7Ω) to ensure system level
protection against transient events. This device
features a 0.77pF IO capacitance making it ideal for
protecting interfaces such as USB 2.0. The device
can operate with ultra-low leakage up to ±5.5V and
survive DC faults up to 8.3V.
The ESD401 is offered in the industry standard 0402
(DPY) package.