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Specifications
Type:
High Voltage Glass Glaze Resistor
Resistance:
1MΩ
Power(Watts):
250mW
Temperature Coefficient:
±200ppm/℃
Tolerance:
±1%
Operating Temperature:
-65℃~+175℃
Mfr. Part #:
RT 1/4W 1M F T/B
Package:
Through Hole,D2.4xL6.4mm
Key Attributes
Model Number:
RT 1/4W 1M F T/B
Product Description
Metal Glaze High Voltage Resistors
Metal Glaze High Voltage Resistors are designed for a wide range of applications 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 (RT 1/2W, RT 1W, RT 2W series for 960K ~12M)
- Coating: Light blue flameproof paint (1W, 2W types); Light green epoxy paint (1/4W, 1/2W types)
- Material: Ceramic Rod made of imported Forsterite
Technical Specifications
| Type | Rated Wattage | Nominal Resistance | Tolerance | Rated Voltage (Max Load) | Rated Voltage (RMS) | Dimension (D x L) | Lead Diameter (d) | Operating Temp. Range | Resistance Temp. Coefficient | Load Life Change Rate | Moisture-proof Load Life Change Rate |
| RT 1/4W | 1/4W | 47K 33M | F=1%, J=5% | 1600V | 1150V | 2.40.5 x 6.4 | 0.6 0.1 | -65175 | 200ppm/ | 1% | 3% |
| RT 1/2W | 1/2W | 47K 33M | F=1%, J=5% | 3500V | 2500V | 3.5 x 9 | 0.65 0.1 | -65175 | 200ppm/ | 3% | 3% |
| RT 1W | 1W | 47K 33M | F=1%, J=5% | 5000V | 3500V | 4.5 x 11 | 0.8 0.1 | -65175 | 200ppm/ | 3% | 3% |
| RT 2W | 2W | 47K 33M | F=1%, J=5% | 10000V | 7000V | 5 x 15 | 0.8 0.1 | -65175 | 200ppm/ | 3% | 3% |
Part Numbering System
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 (1M indicates 1M)
- 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)
Performance Specifications
| Test | Condition | Acceptance Criteria |
| Terminal Tensile | 2.5kg static load (1/2W: 1kg) for 10 sec. | No looseness or fall. |
| Twist Withstand | 90 bend, 360 clockwise & counterclockwise turns (2 cycles). | No break or looseness. |
| Temperature Cycle | 5 cycles (-65 to 175). | Resistance change 0.5%. |
| Short Time Over Load | 2.5x rated voltage for 5 sec. | No arc/flame, resistance change 1%. |
| Insulation Character | DC 100V megger between lead wires and metal trough. | Insulation Resistance > 1000M. |
| Voltage Withstanding | AC 350V for 1 min. | No physical damage (arc, char). |
| Load Life | 70, rated voltage, 1.5h ON/0.5h OFF for 1000 hours. | Resistance change 3%. |
| Moisture-proof Load Life | 402, 90-95% RH, rated power, 1.5h ON/0.5h OFF for 500 hours. | Resistance change 3%, no remarkable appearance change, marking legible. |
| Solder-ability | Dipped in 2355 solder for 2 sec. | >95% lead wire circumference covered with solder. |
| Resistance to Soldering Heat | 2705 for 101 sec OR 35010 for 3.50.5 sec. | Resistance change 1%. |
| Nonflammability (1W, 2W only) | 16x rated wattage for 5 min. | No flame. |
| Pulse Loading Capability | IEC 60065 chapter 14.2a; 50 discharges from 1nF capacitor charged to Vmax; 12 discharges/min. | R/R 2%. |
2410121455_TyoHM-RT-1-4W-1M-F-T-B_C5200501.pdf
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