概览
EClamp®2457K is a combination EMI filter and line termination device with integrated TVS diodes for use on SIM Card interfaces on cellular phones and other portable electronics. The device consists of three circuits that include series impedance matching resistors for proper termination of the SIM card interface. Termination resistor value of 100 Ohms is included on the RST and Data lines and 47 Ohms on the CLK line. TVS diodes are also included on each line for ESD protection up to ±30kV (air discharge) and ±17kV (contact discharge) per IEC 61000-4-2. An additional TVS diode connection is included for protection of the voltage (Vcc) bus.
功能
- High ESD withstand Voltage: IEC 61000-4-2 (ESD): 17kV (Contact), 30kV (Air)
- EMI/RFI filter with integrated TVS for ESD protection
- Working voltage: 5V
- Capacitance: 20pF Typical
- Termination Resistors: 100 Ohms and 47 Ohms
- Protection and filtering for four lines
- 固态硅雪崩技术
| 文档 | Release Date | 键入 |  |
|---|---|---|---|
| ECLAMP2457K Datasheet | 2026-02-04 | | |
应用
- SIM Card
- Cell Phones
- PDAs and Smartphones
Inventory
| Product | 国家/地区 | 经销商 | Qty | Buy |
|---|
资源
Decision-makers evaluating linear pluggable optics (LPO) want numbers, not abstractions. If you're new to LPO, start with Blog 1: What Is Linear Pluggable Optics?, then come back here for the key quantitative parameters for 200G LPO deployment: power consumption by module type, optical reach, electrical loss tolerance, and host port calibration requirements.
博客
200G Linear Pluggable Optics (LPO) Power, Reach…
Linear pluggable optics (LPO) is one of the most significant shifts in data center optical interconnect design in a decade — but the term still causes confusion. Is it a module type? A standard? A replacement for digital signal processing function or DSP-based optics entirely? This blog answers those questions from first principles.
博客
AI Data Center Basics: What Is Linear Pluggable…
The USB Type-C connector has become the universal interface of modern electronics. From laptops and smartphones to Artificial Intelligence (AI) computing platforms and industrial edge devices, USB Type-C supports both high-speed data transfer and high-wattage power delivery through a single cable. With the adoption of USB Power Delivery (USB PD) 3.1 and its Extended Power Range (EPR), (Table 1) VBUS line voltages have scaled from the familiar 20V/100W standard power range to 28V, 36V and 48V — enabling power delivery of up to 240W over a USB-C cable.
博客
Advancing VBUS Protection for 48V USB Power…
法国的各市镇正从试点项目转向全面的物联网 (IoT) 部署，以及 REX TCD Retours d'Expérience – Territoires Connectés et Durables (REX Connected and Sustainable Territories) has become the annual proving ground where that shift gets measured. Olivier Beaujard, Senior Director of the LoRa® Ecosystem at Semtech and Chair of the Board at the LoRa Alliance® attended the 3rd edition of REX TCD, held on June 16–17, 2026, at the Salons de l'Aveyron in Paris。此次活动揭示了法国互联区域的发展现状，以及 LoRaWAN® 为何日益成为其中的核心。
博客
REX TCD 2026 – Connected and Sustainable…
长期以来，亚洲一直被公认为物联网 (IoT) 采用最具活力的地区之一，而 2026 年亚洲科技新加坡展 (ATxSG) 让这一现实不容忽视。Semtech 和 LoRa Alliance® 将其完整的生态系统带到了此次活动中，反响完全符合团队的预期。
LoRa 联盟展馆汇聚了众多网关制造商和终端节点开发商，吸引了络绎不绝的人流，引发了有意义的技术交流，并且至少出现了一个具有里程碑意义的商业时刻，这表明 LoRaWAN® 在亚太地区取得了多么巨大的发展。
Here is a look back at everything that made ATxSG a milestone event for the LoRaWAN community.
博客
Semtech at ATxSG 2026: LoRaWAN Demos and Ecosystem…
Buildings are among the world's largest consumers of energy and one of their most underleveraged sources of operational intelligence. According to the International Energy Agency, the building sector accounts for roughly 30% of global final energy consumption and nearly 26% of global energy-related emissions. Yet the vast majority of the world's existing building stock — the millions of offices, hospitals, factories, warehouses, schools, and retail spaces that people occupy every day — remains largely unconnected. Heating runs on fixed schedules rather than occupancy. Leaks go undetected for weeks. Equipment fails without warning. Space sits unused while teams compete for meeting rooms.
博客
From Wired Legacy to Wireless Intelligence: How…
