STEF05SGR ST Power Switch | 10-DFN(3x3) | 5A, 2.7-18V

Product Overview

The STEF05SGR is a fully integrated 5A electronic fuse from STMicroelectronics, designed to protect downstream circuitry from overcurrent, overvoltage, and short-circuit events. Housed in a compact 10-DFN (3x3 mm) package, it offers a programmable current limit from 0.5A to 5A, an input voltage range of 2.7V to 18V, and a low on-resistance of 30 mΩ typical. The device features fast response time (< 1 µs) and thermal shutdown protection, making it ideal for robust power management in industrial, automotive, and consumer applications.

Detailed Technical Specifications

Key Features

• Integrated 5A power switch with low RDS(on)
• Adjustable current limit via external resistor
• Fast overcurrent protection (< 1 µs)
• Overvoltage clamp up to 18V
• Thermal shutdown with hysteresis
• Reverse current blocking
• Enable pin for ON/OFF control
• Small 10-DFN (3x3 mm) package

Target Applications

• 5G base station power distribution
• Automotive dashboard and infotainment systems
• Industrial PLC and sensor modules
• Portable battery-powered devices
• USB Type-C power delivery
• Server and storage hot-swap

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STEF05SGR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

STEF05SGR 是意法半導體推出的全集成 5A 電子保險絲，用於保護下游電路免受過流、過壓和短路事件的影響。採用緊湊的 10-DFN（3x3 mm）封裝，提供 0.5A 至 5A 的可編程電流限制，輸入電壓範圍為 2.7V 至 18V，典型導通電阻為 30 mΩ。該器件具有快速響應時間（< 1 µs）和熱關斷保護，非常適合工業、汽車和消費類應用中的穩健電源管理。

詳細技術參數

核心特性

• 集成 5A 電源開關，低導通電阻
• 通過外部電阻可調節電流限制
• 快速過流保護（< 1 µs）
• 過壓鉗位至 18V
• 帶滯回的熱關斷
• 反向電流阻斷
• 使能引腳用於開/關控制
• 小型 10-DFN（3x3 mm）封裝

典型應用場景

• 5G 基站電源分配
• 汽車儀表盤和信息娛樂系統
• 工業 PLC 和傳感器模塊
• 便攜式電池供電設備
• USB Type-C 電源傳輸
• 服務器和存儲熱插拔

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STEF05SGR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]