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Specifications
Type:
High Voltage Glass Glaze Resistor
Resistance:
470kΩ
Power(Watts):
250mW
Temperature Coefficient:
±200ppm/℃
Tolerance:
±5%
Operating Temperature:
-65℃~+175℃
Mfr. Part #:
RT1/4W470KJT/B
Package:
Through Hole,D2.4xL6.4mm
Key Attributes
Model Number:
RT1/4W470KJT/B
Product Description
Metal Glaze High Voltage Resistors
These Metal Glaze High Voltage Resistors are designed for a wide range of applications in consumer electronics, computers, telecommunications, and control instruments. They offer reliable performance with features such as RoHS & Halogen Free compliance, and are constructed with high-quality materials including a Forsterite ceramic rod and durable flameproof or epoxy coatings.
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)
- Origin of Ceramic Rod: Forsterite imported
Technical Specifications
| Type | Rated Wattage | Nominal Resistance | Tolerance | Max. Permissible Voltage (DC/RMS) | Dimensions (D1 x L1 x H3) mm | Lead Diameter (d0.1) mm | Operating Temperature Range |
|---|---|---|---|---|---|---|---|
| RT 1/4W | 1/4W | 47K ~ 33M | F=1%, J=5% | 1600V / 1150V | 2.4 x 6.4 x 28 | 0.6 | -65175 |
| RT 1/2W | 1/2W | 47K ~ 33M | F=1%, J=5% | 3500V / 2500V | 3.5 x 9 x 28 | 0.65 | -65175 |
| RT 1W | 1W | 47K ~ 33M | F=1%, J=5% | 5000V / 3500V | 4.5 x 11 x 28 | 0.8 | -65175 |
| RT 2W | 2W | 47K ~ 33M | F=1%, J=5% | 10000V / 7000V | 5 x 15 x 28 | 0.8 | -65175 |
Mechanical Performance
| Test | Specification |
|---|---|
| Terminal Tensile | 2.5kg (1/2W: 1kg) static load for 10s without looseness/fall. |
| Twist Withstand | 360 clockwise & counterclockwise turns, 2 repetitions, without break/looseness. |
Electrical Performance
| Test | Specification |
|---|---|
| Resistance Temperature Coefficient | Within 200ppm/ |
| Temperature Cycle | Resistance change rate within 0.5% after 5 cycles (-65 to 175). |
| Short Time Over Load | Resistance change rate within 1% after 2.5x rated voltage for 5s. |
| Insulation Character | > 1000M (DC 100V megger) |
| Voltage Withstanding | No damage after AC 350V for 1 min. |
| 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 coverage with solder at 2355 for 2s. |
| Resistance to Soldering Heat | Resistance change rate within 1% after soldering heat test (2705 for 10s or 35010 for 3.5s). |
| Nonflammability (1W, 2W only) | No flame when applied 16x rated wattage for 5 min. |
| Pulse Loading Capability | IEC 60065 chapter 14.2a; 50 discharges from 1nF capacitor charged to Vmax; 12 discharges/minute (drift R/R2%) |
Package/Terminal Form
| 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-RT1-4W470KJT-B_C5200513.pdf
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