The **BK-HTB-64M-R** is a specific electronic component manufactured by **Eaton (Bussmann Series)**. It belongs to the category of fuse holders, specifically designed for panel mounting. Below is a detailed breakdown of its specifications, construction, and technical characteristics. --- ### 1. General Specifications The HTB series is widely recognized as a "universal" fuse holder line due to its versatility and compliance with international standards. | Feature | Specification | | :--- | :--- | | **Manufacturer** | Eaton (Bussmann) | | **Part Number** | BK-HTB-64M-R | | **Fuse Size Accepted** | 5mm x 20mm | | **Mounting Type** | Rear Mount (Panel) | | **Current Rating** | 16A (UL), 6.3A (VDE/SEMKO) | | **Voltage Rating** | 250V AC | | **Termination Style** | 3/16" (4.8mm) Quick Connect / Solder | | **Cap Type** | Knob (Screwdriver / Manual) | --- ### 2. Physical Construction The "BK" prefix indicates a bulk packaging option, while the suffixes define the specific body and terminal configuration. * **Body Material:** High-temperature, flame-retardant thermoplastic. * **Terminals:** Tin-plated brass. These are designed for dual-use: you can either solder wires directly to them or use standard 3/16" female quick-connect terminals. * **Knob Design:** The "M" in the part number typically signifies a **Manual/Knob** style cap, allowing users to replace fuses without tools. * **Mounting Hole:** Usually requires a "D-shaped" hole to prevent the fuse holder from rotating within the panel during installation or fuse replacement. --- ### 3. Safety and Compliance This component is engineered to protect users from accidental electrical shock (Finger-safe design). * **Insulation Resistance:** 10,000 MΩ at 500V DC. * **Dielectric Strength:** Over 1,500V AC for 1 minute. * **RoHS Compliant:** The "-R" suffix confirms that the part meets the Restriction of Hazardous Substances directive. * **Approvals:** UL Recognized, CSA Certified, VDE, and SEMKO. --- ### 4. Application Areas The BK-HTB-64M-R is commonly found in: 1. **Industrial Equipment:** Power supplies and control panels. 2. **Medical Devices:** Used where reliable overcurrent protection is critical. 3. **Consumer Electronics:** High-end audio equipment and appliances. 4. **Test & Measurement:** Oscilloscopes and signal generators. ---