High-Power Glaze-Film Composite High-Voltage Resistor
Factory Direct · High-Power Glaze-Film Composite High-Voltage Resistor
95-grade ceramic tube · serpentine process · high-voltageinsulating thermal-dissipation paint — Power up to 500W · Withstand Voltageup to 120KV
95-grade ceramic tube, withstands high voltage
internal layer uses ≥95-grade ceramic as the resistor substrate; outer layer is coated with HV insulating thermal-dissipation paint; in HV environmentcanabsorbs large energy, ensuresResistorinlong-termhigh-voltage / high-currentconditionsstable operation.
Insulating thermal dissipation, long-lasting
Surface is coated with HV insulating thermal-dissipation paint, paired with the 95-grade ceramic-core construction for effective thermal dissipation; operates in high temperature / high humidity / dust / vibrationetcharsh industrial-control environmentsMiddlelong-term stableuse, service lifeSuddenOut.
4 major typical application scenarios
① HV systems: HV inverters / HV electrical equipment / voltage dividers / HV power electronics; ② Eco-friendly equipment / medical equipment / electrostatic precipitation / power system / instrumentation; ③ capacitorarc-suppression circuits / high-voltageSlowChargecircuit; ④ pulse modulators / imaging equipment / impulse voltage generatorsetcAC/DCorPulseChargecircuit.
Dimensions
| Model | Rated Power (W) | Structure | D (mm) | L (mm) | d (mm) | l (mm) | Resistance Range | TCR (×10⁻⁶/℃) | Tolerance | Voltage Rating (kV) |
|---|---|---|---|---|---|---|---|---|---|---|
| RI80-1 | 1W | a (Lead Wire) | 5 | 21 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 5KV |
| RI80-2 | 2W | a (Lead Wire) | 7 | 25 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 10KV |
| RI80-3 | 3W | a (Lead Wire) | 8 | 30 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 15KV |
| RI80-5 | 5W | a (Lead Wire) | 9 | 50 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 15KV |
| RI80-8 | 8W | a (Lead Wire) | 10 | 70 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 15KV |
| RI80-10 | 10W | a (Lead Wire) | 10 | 100 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-10 | 10W | b (Stud) | 11 | 78 | M4 | 6 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-15 | 15W | a (Lead Wire) | 10 | 150 | 1 | 30 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-15 | 15W | b (Stud) | 10 | 150 | M4 | 6 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-20 | 20W | b (Stud) | 18 | 115 | M5 | — | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-30 | 30W | b (Stud) | 20 | 120 | M5 | — | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-50 | 50W | b (Stud) | 22 | 130 | M6 | — | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 30KV |
| RI80-100 | 100W | b (Stud) | 27 | 170 | M8 | 10 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 35KV |
| RI80-200 | 200W | b (Stud) | 27 | 260 | M10 | 10 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 80KV |
| RI80-300 | 300W | b (Stud) | 37 | 310 | M10 | 10 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 90KV |
| RI80-500 | 500W | b (Stud) | 50 | 300 | M10 | 10 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 100KV |
| RI80-1000 | 1000W | b (Stud) | 50 | 510 | M10 | 10 | 1Ω~1000GΩ | ±400 | ±1% / ±2% / ±5% / ±10% | 120KV |
Derating Curve
Electrical Characteristics
| Test Item Test Item | Performance Requirement Requirement | Test Method |
|---|---|---|
| Resistance TCR | ≤ ±200 (×10⁻⁶/℃) | -55℃ / +20℃ · 20℃ / +155℃ |
| Solderability | Solder flows freely and wets the lead | 235±5℃ · 2±0.5s |
| Resistance to Soldering Heat | ΔR ≤ ±(0.5%R + 0.05Ω) | 260±5℃ · 10±1s |
| Steady-State Humidity | ΔR ≤ ±(2%R + 0.1Ω) | +40±2°C · 95~98% RH · 240h |
| Thermal Shock | ΔR ≤ ±(1%R + 0.05Ω) | -55°C / +125°C · 5 cycles |
| Vibration | ΔR ≤ ±(1%R + 0.05Ω) | 10~500Hz · 98 m/s² |
| Load Life | ΔR ≤ ±(5%R + 0.05Ω) | +40±2℃ · VR · 1000h |
| Lead Strength | ΔR ≤ ±(0.5%R + 0.05Ω) | 10N · Bend twice |
| Derating | ≤ 210℃ | Allowable load derates from rated power down to 0 as ambient temperature rises to 300°C |
48-Hour Free Samples
Free samples for standard parts — shipped within 2 business days.
Custom to Drawing
Drawing- and spec-based customization. Engineer responds within 24 hours.
Volume Discounts
Factory-direct supply at scale — direct manufacturer pricing.
Worry-Free After-Sales
12-month warranty with a dedicated team for technical issues.
Customization Process
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