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Water meter

In response to the characteristics of smart water meters, which are often in extreme environments such as humid conditions and underground wells and require ultra-long standby times, we have provided an ultra-low leakage current signal protection solution. While effectively resisting electrostatic discharge (ESD) and external surge interference, it minimizes system power consumption, ensuring that data acquisition and remote transmission links can still maintain accuracy and stability for decades with limited battery capacity.

Block diagram
Find products and reference designs for your system.
Water meterBlock diagram

Products

Reference designs

Tvs 瞬态抑制二极管 (3)

SMF3.3CA

-- Bidirectional TVS diode suppressing transient surges on 3.3V power and signal lines.

SMBJ5.0CA

-- SMBJ5.0CA, bidirectional TVS diode, VR=5.0V, VBR≈5.56–6.14V, VC≈9.2V, 600W.

SMBJ15CA

-- SMBJ15CA, bidirectional TVS diode, VR=15V, VBR≈16.7–18.5V, VC≈24.4V, 600W.

Esd 静电保护元件 (2)

ESDULC5V0D9B

-- SOD-923 ultra low capacitance TVS diode rated at 5V for signal line protection

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Tvs 瞬态抑制二极管 (1)

Esd 静电保护元件 (2)

ESDULC5V0D9B

-- SOD-923 ultra low capacitance TVS diode rated at 5V for signal line protection

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Tvs 瞬态抑制二极管 (2)

Esd 静电保护元件 (2)

ESDULC5V0D9B

-- SOD-923 ultra low capacitance TVS diode rated at 5V for signal line protection

NRESDTLC5V0D8B

-- DFN1006 ultra low capacitance TVS diode rated at 5V for single line ESD protection

Tvs 瞬态抑制二极管 (1)

Esd 静电保护元件 (2)

ESDSM712

-- -7V to 12V bidirectional TVS diode array with 75pF junction capacitance in SOT-23 package for RS-485 transient protection

ESDSR05

-- SOT-143 low capacitance TVS diode array rated at 5V for ESD and surge protection

Tvs 瞬态抑制二极管 (2)

Tvs 瞬态抑制二极管 (1)

SMF3.3CA

-- Bidirectional TVS diode suppressing transient surges on 3.3V power and signal lines.

Esd 静电保护元件 (2)