WIZ140SR

Description：CNTRLR ETHERNET 10/100 BASE-T/TX
Series：-

SKU:d4457b29a48b Category: Modules Brand: WIZnet

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Product introduction

Product Detailed Parameters

Description：CNTRLR ETHERNET 10/100 BASE-T/TX
Series：-
Mfr：WIZnet
Package：Box
Protocol：Ethernet
Function：Controller
Interface：TTL
Standards：10/100 Base-T/TX PHY
Voltage - Supply：3.3V
Operating Temperature：0°C ~ 70°C
Package / Case：Module
Supplier Device Package：Module
Current - Supply：250 mA
Grade：-
Qualification：-

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WIZ140SR

Overview

The WIZ140SR is a serial-to-Ethernet module manufactured by WIZnet, designed to bridge RS-232 serial interfaces with Ethernet networks. It operates on a 3.3 V supply voltage and supports data rates up to 230 kbps. The device functions within an ambient temperature range of 0°C to +70°C. Its physical dimensions are 48.26 mm x 35.56 mm x 16.2 mm. The module integrates full hardware TCP/IP protocol stack capabilities for network communication.

Feature Summary

Integrates full hardware TCP/IP protocol stack to reduce host microcontroller load
Provides transparent serial-to-Ethernet connectivity via RS-232 interface
Supports standard Ethernet networking protocols for embedded applications

Applications

Industrial automation data acquisition systems
Remote monitoring and control devices
Embedded IoT gateway implementations

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm current production status as availability may vary. Ensure compatibility with existing system voltage levels and interface requirements before procurement. Review official datasheets for specific pinout and electrical characteristics relevant to the integration design.

Selection Notes

Select this module when a compact solution is required to add Ethernet connectivity to legacy RS-232 devices. Consider the 3.3 V operating voltage and industrial temperature range suitability. Evaluate the need for hardware TCP/IP offloading to simplify host MCU firmware development. Compare physical dimensions against available enclosure space constraints.

Part Context

WIZnet specializes in fully hardware-based TCP/IP Ethernet controllers and modules. The company focuses on reducing complexity for embedded developers by integrating MAC, PHY, and protocol stacks into single chips. This product line targets applications requiring reliable, low-cost network connectivity without heavy software overhead.

Replacement Considerations

Check for updated series modules from WIZnet offering improved performance or extended temperature ranges. Verify if newer generations maintain compatible pinouts and form factors for direct replacement in existing designs.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.