Shaanxi Huaxing Technology Co.,Ltd.
| Payment Terms | T/T |
| Brand Name | HUAXING |
| Model Number | RX20 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Brand Name | HUAXING |
| Model Number | RX20 | Place of Origin | China |
| High Light | RX20 wirewound resistance ，20W wirewound resistance ，20W ww resistor | ||
RX20 Vitreous Enamelled Wirewound Resistors
Product Introduction
■ Product Features: Equipped with dedicated accessories (optional), easy to install. Excellent high-temperature load characteristics. Surface is enamel-coated, strong pollution resistance, moisture-resistant, chemically inert, and high-temperature resistant.
■ Application Field: Used in direct current or low-frequency alternating current circuits for voltage division, current division, and load purposes.
■ Product Standard: Q/RW384-1997 RX20(T) Power Wirewound Resistor detailed specifications.
■ Can provide non-inductive products (add "N" to the model number suffix) .
■ Capable of producing products that comply with RoHS, REACH, and three-proof requirements.
RX20 Outline drawing:
| specifications and models | rated power(W) | resistance range(Ω) | Size ( m m ) | ||||||||||
| L | L1 | L2 | D | d | H | H1 | d1 | t | B | B1 | |||
| RX20-8W | 8 | 5.1-3.3K | 35±1.5 | — | — | 14±2 | 5.5±0.7 | — | 28.5±2.5 |
2 |
5 | — | — |
| RX20-10W | 10 | 5.1~10K | 41±1.5 | — | — | — | — | — | |||||
| RX20-16W | 16 | 5.1-15K | 45±1.5 | 66±2 | 82±2 | 17±2 | 8±0.7 | 41±2 | 31±2.5 | 15 | 4.5 | ||
| RX20-20W | 20 | 5.1~20K | 51±2 | 72±2 | 88±2.2 | 15 | 4.5 | ||||||
| RX20-25W | 25 | 10~24K | 51±2 | 77±3 | 88±3 |
21±2.5 |
12±0.8 |
51.5±2 |
35±2.5 | 20 | 5.5 | ||
| RX20-30W | 30 | 10-30K | 71±2.2 | 97±3 | 108±3 | 20 | 5.5 | ||||||
| RX20-40W | 40 | 20~51K | 87±2.2 | 113±3 | 124±3 | 20 | 5.5 | ||||||
| RX20-50W | 50 | 20-51K | 91±2 | 120±3 | 135±3 |
29±3 |
20±1.5 |
59±2 |
43±3 |
3.5 |
6 | 30 | 5.5 |
| RX20-75W | 75 | 24~56K | 140±3.2 | 170±4 | 184±4 | 30 | 5.5 | ||||||
| RX20-100W | 100 | 24~62K | 170±3.5 | 200±4 | 214±4 | 30 | 5.5 | ||||||
| RX20-150W | 150 | 20-91K | 215±4 | 244±4 | 259±4 | 30 | 5.5 | ||||||
Key Test Items:
| Test Items | Test Conditions | Performance Requirements | Test Standards |
| Insulation Resistance | Voltage: (500±50)Vdc, 1min, wrap-foil method | ≥20MΩ/cm² | GB/T 5729-1994 Section 4.6 |
| Voltage Withstand | Voltage: 2000Vdc, 1min, between lead-out terminal and copper foil inside ceramic tube | No breakdown, no arcing | GB/T 5729-1994 Section 4.7 |
| Overload | 10 times rated power load for 5s | △R ≤ ±(2%R + 0.1Ω) | GB/T 5732-1985 Section 2.3.4 |
| Temperature Rise | Ambient Temperature: (15 to 35)℃, rated power | ≤325℃ | GB/T 5729-1994 Section 4.14 |
| Resistor Body Strength | Load: ≤40W; 30N, ≥50W; 100N | △R ≤ ±(1%R + 0.05Ω) | GB/T 5729-1994 Section 4.15 |
| Lead Strength | Tensile Strength: 20N, 10s | △R ≤ ±(1%R + 0.05Ω) | GB/T 2423.29-1982 |
| Solderability | HISnPb39, 75W soldering iron method, tinning method | Evenly tinned | GB/T 2423.28-1982 |
| Temperature Rapid Change | Temperature Range: (-55 to +200)℃, 5 cycles | △R ≤ ±(2%R + 0.1Ω) | GB/T 2423.22-1981 |
| Impact | Frequency: (40 to 80) cycles/min, acceleration: 245m/s², 2000 cycles | △R ≤ ±(1%R + 0.05Ω) | GB/T 2423.06-1981 |
| Vibration | Frequency: (10 to 500)Hz, amplitude 0.75mm or acceleration 98m/s², 1h | △R ≤ ±(1%R + 0.05Ω) | GB/T 2423.10-1981 |
| Steady-state Damp Heat | Temperature: (40±2)℃, relative humidity: (93±3)%, 96h | △R ≤ ±(2%R + 0.1Ω) | GB/T 2423.03-1993 |
| Room Temperature Durability | Ambient Temperature: (15 to 35)℃, rated power, 1.5h powered; 0.5h unpowered, 1000h | △R ≤ ±(5%R + 0.1Ω) | GB/T 5729-1994 Section 4.25 |
Power dissipation curve:
Temperature rise curve
Ordering Example:
Model Number :RX20
Rated Power:20W
Nominal Resistance:10Ω
Resistance Tolerance:±5%
With attachments
Quantity:1000 pieces
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Employee Number:
100~200
Ecer Certification：
Verified Supplier
The company's main business focuses on the research, development, production, sales, and service of power resistors and related intelligent loads, high-power air-cooled and liquid-cooled loads, and braking loads. Its products are divided into two categories: the first... The company's main business focuses on the research, development, production, sales, and service of power resistors and related intelligent loads, high-power air-cooled and liquid-cooled loads, and braking loads. Its products are divided into two categories: the first...
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