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Specifications
Type:
High Voltage Glass Glaze Resistor
Resistance:
392kΩ
Power(Watts):
250mW
Temperature Coefficient:
±200ppm/℃
Tolerance:
±1%
Operating Temperature:
-65℃~+175℃
Mfr. Part #:
RT1/4W392KFT/B
Package:
Through Hole,D2.4xL6.4mm
Key Attributes
Model Number:
RT1/4W392KFT/B
Product Description
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 (RT 1/2W, RT 1W, RT 2W series, 960K ~12M)
- Coating: Light blue flameproof paint (1W, 2W), Light green epoxy paint (1/4W, 1/2W)
Technical Specifications
| Type | Rated Wattage | Nominal Resistance | Tolerance | Rated Voltage (V) DC / RMS | Max. Permissible Voltage (V) DC / RMS | Dimension (mm) D1 / L1 / H3 / d0.1 | Operating Temperature Range () |
| RT 1/4W | 1/4W | 47K 33M | F=1%, J=5% | 1150V / N/A | 1600V / N/A | 2.40.5 / 6.4 / 28 / 0.6 | -65175 |
| RT 1/2W | 1/2W | 47K 33M | F=1%, J=5% | 2500V / N/A | 3500V / N/A | 3.5 / 9 / 28 / 0.65 | -65175 |
| RT 1W | 1W | 47K 33M | F=1%, J=5% | 3500V / N/A | 5000V / N/A | 4.5 / 11 / 28 / 0.8 | -65175 |
| RT 2W | 2W | 47K 33M | F=1%, J=5% | 7000V / N/A | 10000V / N/A | 5 / 15 / 28 / 0.8 | -65175 |
Electrical Performance
| Parameter | Specification |
| Resistance Temperature Coefficient | 200ppm/ |
| Temperature Cycle Resistance Change | 0.5% |
| Short Time Over Load Resistance Change | 1% |
| Insulation Resistance | >1000M (DC 100V) |
| Voltage Withstanding | AC 350V for 1 minute (no damage) |
| Load Life Resistance Change | 3% (1000 hours at 70) |
| Moisture-proof Load Life Resistance Change | 3% (500 hours at 40, 90-95% RH) |
| Solder-ability | >95% coverage with solder (2355 for 2 sec) |
| Resistance to Soldering Heat Resistance Change | 1% |
| Nonflammability (1W, 2W only) | No flame when applied 16x rated wattage for 5 min |
| Pulse Loading Capability | IEC 60065 chapter 14.2a; 50 discharges (R/R2%) |
Mechanical Performance
| Parameter | Specification |
| Terminal Tensile | 2.5kg static load (1kg for 1/2W) for 10 seconds without looseness/fall |
| Twist Withstand | 360 degrees clockwise and counterclockwise, 2 repetitions without break/looseness |
Packaging and Terminal Forms
| Form | Description |
| T/R | Tape & Reel |
| T/B | Tape in Box |
| Nil | Bulk |
| MG Form | MG form |
| F Forms | F forms |
| T26 | 26 mm width special tape in box |
| T76 | 76 mm width special tape in box |
| R76 | 76 mm width special tape & reel |
2410121455_TyoHM-RT1-4W392KFT-B_C5200506.pdf
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