TyoHM RT1/4W1M6FTB Metal Glaze High Voltage Resistors Compliant with RoHS and Halogen Free Standards

Metal Glaze High Voltage Resistors

This standard specification covers Metal Glaze High Voltage Resistors designed for use in consumer electronics, computers, telecommunications, and control instruments. These resistors offer reliable performance and are compliant with RoHS and Halogen Free standards.

Product Attributes

• Type: RT (Metal Glaze High Voltage Resistors)
• Certifications: RoHS & Halogen Free Compliant, UL 1676 approval (for RT 1/2W, RT 1W, RT 2W series, 960K ~12M)
• Coating: Light blue flameproof paint (1W, 2W type); Light green epoxy paint (1/4W, 1/2W type)
• Material: Ceramic Rod made of imported Forsterite

Technical Specifications

Part Number Composition

Part Number = Type + Rated Wattage + Nominal Resistance + Tolerance + Package/Terminal Form

Example: RT 1/4W 1M J T/B

• Type: RT
• Rated Wattage: e.g., 1/4W, 1/2W, 1W, 2W
• Nominal Resistance: e.g., 1M (K, M are units)
• Tolerance: F=1%, J=5%
• Package/Terminal Form: T/R (tape & reel), T/B (tape in box), Nil (Bulk), MG form, F forms, T26 (26mm width special tape in box), T76 (76mm width special tape in box), R76 (76mm width special tape & reel)

Mechanical and Electrical Performance Highlights

• Terminal Tensile: 2.5kg (1/2W: 1kg) static load for 10 seconds.
• Twist Withstand: 360 clockwise and counterclockwise turns, repeated 2 times.
• Temperature Cycle: Resistance change rate within 0.5% after temperature cycles (-65 to 175).
• Short Time Over Load: No arc or flame when applied 2.5x rated voltage for 5 seconds; resistance change rate within 1%.
• Insulation Character: >1000M using DC 100V megger.
• Voltage Withstanding: No physical damage when applying AC 350V for one minute.
• Load Life: Resistance change rate within 3% after 1000 hours at 70 with rated voltage.
• Moisture-proof Load Life: Resistance change rate within 3% after 500 hours at 40/90-95% RH with rated power.
• Solder-ability: >95% lead wire circumference covered with solder after dipping in 2355 solder for 2 seconds.
• Resistance to Soldering Heat: Resistance change rate within 1% after soldering heat tests (2705 for 101s or 35010 for 3.50.5s).
• Nonflammability (1W, 2W): No flame when applied 16x rated wattage for 5 min.
• Pulse Loading Capability: In accordance with IEC 60065 chapter 14.2a; 50 discharges from a 1 nF capacitor charged to Vmax; 12 discharges/minute (drift R/R2%).