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07-24-2017

STMicroelectronics' ESD-Clamping Diodes in 0201 Package Bring Industry-Best Performance Protection to Tiny Smart Objects

STMicroelectronics » ESDZL5-1F4, ESDZV5-1BF4

New miniature (0201-size) single-line ESD-protection diodes from STMicroelectronics quickly clamp transients to a voltage as low as 7 V, and handle 7 A peak pulse current, to provide superior protection and design flexibility for space-constrained smart objects. This diode drops the bar with the lowest clamping voltage available at this level of capacitance and stand-off voltage.

STMicroelectronics - ESDZL5-1F4, ESDZV5-1BF4

The unidirectional ESDZL5-1F4 and bidirectional ESDZV5-1BF4 have a snap-back characteristic, with 5.8 V trigger voltage and low dynamic resistance, to provide outstanding protection in a device measuring only 0.58 mm × 0.28 mm (typical). Also, with as little as 6 pF capacitance, they ensure the integrity of high-speed signals. Capable of withstanding 15 kV and 18 kV contact discharge respectively, both devices exceed the IEC 61000-4-2 specifications.

With leakage current below 100 nA helping to maximize battery life, ST’s new ESD-clamping diodes are ideal for protecting equipment such as industrial sensors, IoT devices, active cables and connectors, smart-home electronics, wearable devices like smart watches and healthcare or fitness bands, and portable products including smartphones, tablets, data loggers, and point-of-sale terminals.

ST has leveraged its expertise as a pioneer developer of 0201 package technology for high-volume components to deliver this extreme space-saving solution. Proven component-manufacturing processes ensure consistent quality and large production capacity ensures reliable supply for high-volume projects.

The unidirectional ESDZL5-1F4 and bidirectional ESDZV5-1BF4 are in production now, and samples are available. Pricing is from $0.014 for orders of 5000 units.

Key specifications:

  ESDZL5-1F4
Unidirectional
ESDZV5-1BF4
Bidirectional
Minimum trigger voltage 5.8 V 5.8 V
Typical line capacitance 7.5 pF 6 pF
Typical clamping voltage 9.5 V 7 V
ESD contact discharge (IEC 61000-4-2) 15 kV 18 kV
Typical package dimensions 0.58 mm × 0.28 mm
Maximum package area 0.18 mm2

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