The **RJS160-R** is a specific type of **Radial Lead Subminiature Fuse** manufactured by Bel Fuse Inc. It is designed for primary circuit protection and is commonly used in power supplies, chargers, and consumer electronics due to its small footprint and reliable performance. --- ## 1. Key Specifications The following table highlights the primary electrical and physical characteristics of the RJS160-R: | Feature | Specification | | :--- | :--- | | **Current Rating** | 160 mA | | **Voltage Rating (AC)** | 600 VAC | | **Voltage Rating (DC)** | 600 VDC | | **Interrupting Rating** | 60A @ 600V AC/DC | | **Fuse Type** | Time-Lag (Slow Blow) | | **Mounting Type** | Through-Hole (Radial Leads) | | **Termination Style** | Solder Pin | | **Dimensions** | Approx. 4.6mm x 19.1mm | --- ## 2. Technical Characteristics ### A. Time-Lag (Slow Blow) Functionality The "Slow Blow" nature of the RJS160-R means it can withstand short-duration surges or "inrush currents" without blowing. This is essential for circuits containing capacitors or inductive loads that draw high current momentarily when powered on. ### B. High Voltage Rating At **600V**, this fuse is rated significantly higher than standard glass tube fuses. This makes it ideal for industrial applications and high-voltage power conversion stages where arcing must be prevented during a fault. ### C. Construction The "RJS" series features a board-washable design. The body is typically made of a glass tube with a protective sleeve or a ceramic composition, ensuring it can withstand the heat of wave soldering processes. --- ## 3. Part Number Breakdown Understanding the nomenclature helps in identifying variants: | Prefix/Suffix | Meaning | | :--- | :--- | | **RJS** | Series name (Radial Subminiature) | | **160** | Current rating (160mA) | | **-R** | RoHS Compliant (Lead-free) | --- ## 4. Typical Applications * **Power Supplies:** Protecting the input stage from overcurrent. * **LED Lighting:** Drivers that require high voltage protection in a small form factor. * **Modems/Networking:** Protecting telecommunication equipment from line surges. * **Battery Chargers:** Safeguarding the charging circuit from component failure.