TVS2701 Texas instruments

TVS2701

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TVS2701

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Описание

The TVS2701 device shunts up to 27 A of IEC 61000-4-5 fault current to protect systems from high-power transients or lightning strikes. The device survives the common industrial signal line EMC requirement of 1-kV IEC 61000-4-5 open circuit voltage coupled through a 42-Ω impedance. The TVS2701 uses a feedback mechanism to ensure precise flat clamping during a fault, keeping system exposure lower than traditional TVS diodes. The tight voltage regulation allows designers to confidently select system components with a lower voltage tolerance, lowering system costs and complexity without sacrificing robustness. The TVS2701 has a ±27-V operating range to enable operation in systems that require protection against reverse wiring conditions. In addition, the TVS2701 is available in a small SON footprint designed for space constrained applications, offering a significant size reduction compared to standard SMA and SMB packages. Low device leakage and capacitance ensure a minimal effect on the protected line. To ensure robust protection over the lifetime of the product, TI tests the TVS2701 against 5000 repetitive surge strikes at 125°C with no shift in device performance.The TVS2701 is part of TIs Flat-Clamp family of surge devices. For a deeper look at the Flat-Clamp family, refer to the Flat-Clamp Surge Protection Technology for Efficient System Protection white paper.

Protection Against 1-kV, 42-Ω IEC 61000-4-5 Surge Test for Industrial Signal Lines
Bidirectional Polarity Enables Protection Against Bipolar Signaling or Miswiring Conditions
Clamping Voltage of 34 V at 27-A, 8/20-µs Surge Current
Standoff Voltage: ±27 V
Small 3 mm × 3 mm² SON Footprint
Survives Over 5,000 Repetitive Strikes of 27-A 8/20-µs Surge Current at 125°C
Robust Surge Protection
- IEC61000-4-5 (8/20 µs): 27 A
- IEC61643-321 (10/1000 µs): 3.5 A
Low Leakage Current
- 0.8-nA Typical at 27°C
- 400-nA Maximum at 85°C
Low Capacitance: 57 pF
Integrated Level 4 IEC 61000-4-2 ESD Protection

Number of channels	1
IO capacitance (typ) (pF)	40
Vrwm (V)	27
IEC 61000-4-2 contact (±V)	8000
IEC 61000-4-5 (A)	27
Features	Flat-clamping, Surge protection
Bi-/uni-directional	Bi-directional
Dynamic resistance (typ)	0.05
Interface type	General purpose
Clamping voltage (V)	34
IO leakage current (max) (nA)	16
Rating	Catalog
Operating temperature range (°C)	-40 to 125