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Electricity meter

Smart meters have long faced the risks of grid fluctuations and induced lightning strikes in high-voltage environments. We provide a protection solution with excellent linearity and extremely low parasitic parameters for the high-precision metering sampling front end of the meters. Combined with high-energy surge suppression devices, this ensures that the system can still achieve accurate billing even in complex electromagnetic interference. While extending the life of the equipment, it also provides a solid guarantee for the data security and stable operation of the power Internet of Things terminal.

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

Products

Reference designs

Mov 压敏电阻 (1)

10D471KH

-- 470V MOV suppresses lightning-induced surges on power rails.

Tvs 瞬态抑制二极管 (2)

Zd 稳压二极管 (1)

YAZ1D15

-- 15V nominal zener voltage, 1W power dissipation in SMAG package for regulation and transient protection.

Tvs 瞬态抑制二极管 (1)

Esd 静电保护元件 (2)

ESDLC5V0D3B

-- Low capacitance TVS diode array rated at 5V for high speed signal protection

ESDSM712

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

Tvs 瞬态抑制二极管 (1)

Esd 静电保护元件 (1)

ESD5V0APB

-- 5V working voltage, high surge current TVS array with enhanced clamping performance for rugged interface protection

Tvs 瞬态抑制二极管 (2)

Esd 静电保护元件 (1)

ESD3V3D3B

-- High-power ESD diode protects 3.3V signal lines.

Tvs 瞬态抑制二极管 (2)

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.

Tvs 瞬态抑制二极管 (2)

SMF3.3CA

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

SMAJ5.0CA

-- SMAJ5.0CA, bidirectional TVS, VR=5.0V, VBR=5.56–6.14V, VC=9.2V, 400W.

Tvs 瞬态抑制二极管 (1)

ESDULC5V0D5B

-- SOD-523 low capacitance TVS diode rated at 5V for space constrained designs

Esd 静电保护元件 (1)

Tvs 瞬态抑制二极管 (1)

SMBJ28CA

-- SMBJ28CA, bidirectional TVS diode, VR=28V, VBR≈31.1–34.4V, VC≈45.4V, 600W.

Tvs 瞬态抑制二极管 (1)

SMF3.3CA

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

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