
Glass Glaze Resistor
Factory Direct · RX20 / ZG11 Glazed Resistor
high-temperature resistant · good thermal dissipation · good discharge performance — 10 years of resistor experience · factory direct · focused onQuality

Eco-friendly lead-free glaze surface · excellent tri-proof
Surface treated with eco-friendly lead-free glaze, providing excellent tri-proof (high-temperature, moisture and corrosion resistance) performance; good discharge performance / thermal performanceSuddenOut, operates in high temperatureharsh environmentsbelowlong-term stableOperating.

Multiple specs available — Glazed / adjustable / With Bracket
The the the same series simultaneously offers Glazed, adjustable and With-Bracket variants in a full range of Sizes; over 10 years of resistor design and manufacturing experience, factory-direct, quality-focused, with custom non-standard parts supported.
Dimensions
| Model | Rated Power (W) | L (mm) | D (mm) | d (mm) | H (mm) | h (mm) | L1 (mm) | K (mm) | b (mm) | t (mm) | d1 (mm) | C (mm) | Weight · Standard (g) | Weight·Tstyle (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RX20(T) | 8 | 35±1.5 | 14±2 | 5.5±0.5 | 31 | 28.5±2.5 | — | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 23 | — |
| RX20(T) | 10 | 41±1.5 | 14±2 | 5.5±0.5 | 31 | 28.5±2.5 | 20 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 27 | 34 |
| RX20(T) | 16 | 45±1.5 | 17±2 | 8±0.5 | 34 | 31±2.5 | 23 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 36 | 42 |
| RX20(T) | 20 | 51±2 | 17±2 | 8±0.5 | 34 | 31±2.5 | 30 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 44 | 52 |
| RX20(T) | 25 | 51±2 | 17±2 | 8±0.5 | 34 | 31±2.5 | 30 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 57 | 67 |
| RX20(T) | 30 | 71±2.2 | 21±2.5 | 12±0.8 | 39 | 35±2.5 | 44 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 80 | 90 |
| RX20(T) | 40 | 87±2.2 | 21±2.5 | 12±0.8 | 39 | 35±2.5 | 57 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 98 | 110 |
| RX20(T) | 50 | 91±2.4 | 21±2.5 | 12±0.8 | 39 | 35±2.5 | 60 | 6±2 | 3.5±0.8 | 4.5 | 2 | 8±15 | 132 | 144 |
| RX20(T) | 75 | 140±3.2 | 29±3 | 20±1.1 | 47 | 43±3 | 110 | 7±2 | 4.5±1 | 6 | 2.5 | 8±15 | 253 | 265 |
| RX20(T) | 100 | 170±3.5 | 29±3 | 20±1.1 | 47 | 43±3 | 140 | 7±2 | 4.5±1 | 6 | 2.5 | 8±15 | 286 | 298 |
| RX20(T) | 150 | 215±4 | 29±3 | 20±1.1 | 47 | 43±3 | 185 | 7±2 | 4.5±1 | 6 | 2.5 | 8±15 | 385 | 397 |
| RXG20(T) | 200 | 200±2 | 42±3 | 25±0.7 | 60.5±1.2 | 58±2 | 160⁺³₋₂ | 7±2 | 8±1 | 8 | 4.5 | 11±15 | 475 | 495 |
| RXG20(T) | 200/250 | 266±2 | 30±2 | 16±0.3 | 50±2 | 47±2 | 210⁺³₋₂ | 7±2 | 8±1 | 8 | 4.5 | 11±15 | 510 | 530 |
| RXG20(T) | 300 | 266±2 | 36±2 | 20±0.3 | 58±2 | 58±2 | 210⁺³₋₂ | 8±2 | 8±1 | 8 | 4.5 | 11±15 | 630 | 650 |
| RXG20(T) | 400 | 250±2 | 54±2 | 30±2 | 76.5±1.5 | 79±2 | 180⁺³₋₂ | 10±2 | 8±1 | 8 | 4.5 | 11±15 | 1000 | 1020 |
| RXG20(T) | 500 | 300±2 | 54±2 | 30±2 | 76.5±1.5 | 79±2 | 230⁺³₋₂ | 10±2 | 8±1 | 16 | 8 | 17±15 | 1340 | 1360 |
Derating Curve
Electrical Characteristics
| Test Item Test Item | Performance Requirement Requirement | Test Method |
|---|---|---|
| Solderability | ≥ 95% | 235±5℃ · 2±0.5s |
| Lead Strength | no mechanical damage | 20N · 30S |
| Steady-State Humidity | ≤ ±(2%R + 0.05Ω) | 40±2℃ · RH 93±3% |
| Vibration | ≤ ±(1%R + 0.05Ω) | 10–1000 Hz · 0.75 mm · 200 m/S² |
| Bump | ≤ ±(1%R + 0.05Ω) | 40–80 cycles/min |
| Surface Temperature Rise Surface Temp Rise | ≤ +275℃ | Pa (rated power) |
| Endurance at 70°C | ≤ ±(5%R + 0.05Ω) | 70℃ · Pa · 1000h |
| Overload | ≤ ±(1%R + 0.05Ω) | 10Pa · 5S |
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
Contact Us
Reach out, learn about our products, share your needs
Specify Requirements
Discuss specifications with our team
Get a Quote
We send pricing and proposal
Place Order
Confirm order and payment
Production
Manufacturing and quality inspection
Ship
Pack and ship the goods
Delivery
Confirm receipt and feedback
Other products in the High-Power Resistors series
View all High-Power Resistors →Frequently asked questions
Is a free sample available for this product?
What is the minimum order quantity?
How long is the warranty?
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Can I order this product in custom dimensions or values?
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Sample Request
Standard samples are provided free of charge in reasonable quantities (shipped within 2–3 business days). Custom samples are delivered within 2–4 weeks. Please use the form on the right to tell us:
- Company and contact details
- Target part number or key specs (power / resistance / package)
- Application scenario and estimated annual volume
- Shipping address and expected delivery date

