The **BK-HTB-94M-R** is a high-performance panel-mount fuse holder manufactured by **Eaton (Bussmann Series)**. It is designed to hold 5mm x 20mm cartridges fuses and is widely used in industrial and commercial electronic equipment to provide overcurrent protection. --- ### 1. Key Technical Specifications The following table outlines the core electronic and mechanical parameters of the component: | Feature | Specification | | :--- | :--- | | **Manufacturer** | Eaton (Bussmann) | | **Series** | HTB | | **Fuse Size** | 5mm x 20mm | | **Voltage Rating** | 250 VAC | | **Current Rating** | 16 Amps (UL), 6.3 Amps (VDE) | | **Mounting Type** | Panel Mount (Front Hex Nut) | | **Termination Style** | 4.8mm (3/16") Quick Connect / Solder | | **Body Material** | Thermoplastic (High Temperature) | | **Knob Type** | Low Profile, Screwdriver Slot | --- ### 2. Component Composition The BK-HTB-94M-R consists of several critical parts that ensure electrical safety and connectivity: * **Fuse Carrier (Knob):** The "M" in the part number indicates a **screwdriver-release knob**. It is low-profile to prevent accidental removal and requires a tool to access the fuse. * **Insulated Body:** Made from high-grade thermoplastic that can withstand high temperatures and provides electrical insulation between the panel and the internal live parts. * **Terminals:** The "94" designation refers to the terminal configuration. These are **Right-Angle Quick-Connect** terminals (4.8mm), which allow for easy wiring in tight enclosures. * **Mounting Hardware:** Includes a hex nut and a rubber washer to ensure a secure, vibration-resistant fit against the chassis. --- ### 3. Safety and Compliance The "R" suffix indicates that the part is **RoHS compliant**, meaning it is free from hazardous substances like lead. Additionally, it carries multiple international safety certifications: * **UL Recognized:** Standard for the US market. * **CSA Certified:** Standard for the Canadian market. * **VDE / SEMKO:** Ensuring compliance with European safety standards for electrical components. --- ### 4. Circuit Symbol and Integration In an electronic schematic, this part is represented as a fuse holder in series with the main power line: ```text [Line In] ----( Fuse Holder )---- [Internal Circuitry] | (BK-HTB-94M-R) ``` **Common Applications:** - Power supplies - Medical equipment - Industrial control panels - Telecommunications hardware ---