# ZMPT101B (Component) ## Description ZMPT101B is a high-precision current-type voltage transformer designed for AC voltage sensing, monitoring, and power measurement applications. It provides excellent electrical isolation between high-voltage AC lines and low-voltage measurement circuits, making it ideal for energy monitoring systems, smart meters, power analyzers, and microcontroller-based projects using Arduino, ESP32, and similar platforms. Its compact size, high accuracy, and stable performance enable reliable AC voltage measurement while maintaining user safety through galvanic isolation. Key Features High-precision AC voltage measurement Excellent galvanic isolation (up to 4 kV isolation voltage) Wide operating voltage measurement range High accuracy and good linearity Low phase angle error Compact PCB-mount package Suitable for voltage and power monitoring applications Good consistency and long-term stability Compatible with signal conditioning and ADC circuits Operating temperature range: -40°C to +60°C #ZMPT101B #VoltageTransformer #ACVoltageSensor #PowerMonitoring #EnergyMeter #IsolationTransformer #Arduino #ESP32 #IoT #EmbeddedSystems #Electronics #SmartMeter ## Component Details - **Owner:** lcsc - **Created:** 11/6/2024 - **Last Updated:** 6/15/2026 - **Visibility:** Public - **Part Type:** Current Transformers - **Manufacturer Part Number:** ZMPT101B - **Package or Case Code:** XFMR-TH_ZMPT101B - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/6e11ac51dd4c224b010e68e859db5deabf5b321a76ab26c439e0872369a57706.pdf - **JLCPCB Part Class:** Extended Part - **LCSC Part Number:** C111858 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** 择明朗熙 - **Used in:** 9 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [HQonline](https://www.hqonline.com/product-detail/current-transformers-zeming-zmpt101b-2500336764) | $0.69096 | 289 | | [LCSC](https://www.lcsc.com/product-detail/C111858.html) | $1.0176 | 3.6K | - **Part Type:** Transformers - **MPN:** ZMPT101B - **Mount Type:** PCB - **Package / Case Code:** TO - **Pin Count:** 4 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | 1 | | | 2 | 2 | | | 3 | 3 | | | 4 | 4 | | --- *Generated from [https://www.flux.ai/lcsc/zmpt101b~65gv](https://www.flux.ai/lcsc/zmpt101b~65gv)*