-
图文详情
-
产品属性
-
相关推荐
产品名称:RX20-T型被釉绕线可调电阻器
Product name: RX20-Twire-wound glaze -coating adjustable resistor glaze
型 号:RX20-T
Type: RX20-T
产品介绍:RX20型电阻器为被釉型绕线电阻器,被釉产品抗污染性强,耐化学气体侵蚀,耐高温,可在恶劣环境中使用。产品结构合理,具有较强的耐久性和耐振动性,安装时使用安装件固定电阻器。
Product introduction: RX20 series resistor is vitreous enameled wire wound resistor, vitreous enameled product has the high ability of resistance to pollution ,chemic gas corroding and high temperature, and can be used in wicked environment. The structure of product is rationalization, and it has the ability of resistance to endurance and vibration, use fixing parts to fix resistor.
用 途:可广泛用于各种电气设备和电子仪器的直流或交流电路中作分流或负载电阻等。
Purpose: It can be used as shunt and load resistor in DC or AC circuit of electric facility and electron instrument widely.
■电气及机械特性 Electrical and Mechanical specifications
特性 | 规格 | 试验方法 |
阻值及阻值允许偏差 | 10Ω≤R±5%(J) , 10Ω>R±10%(K) | JIS-C-5202 5-1 |
额定负荷 | 表面温度:≤325℃ | JIS-C-5202 5-4 |
短时过负荷 | 无可见损伤,ΔR≤±(5%R+0.05Ω) | JIS-C-5202 5-5 10倍 5秒 |
绝缘电阻 | R≥100MΩ 1min | JIS-C-5202 5-6 DC500V |
耐电压 | 无可见损伤,无飞弧击穿 ΔR≤±(0.1%R+0.05Ω) | JIS-C-5202 5-7 |
电阻温度特性 | ±260PPM/℃ | JIS-C-5202 5-2 b |
端子强度 | 无松动或机械损伤 | JIS-C-5202 6-1(2) |
电阻体强度 | 无可见损伤 | JIS-C-5202 6-2 |
耐振性 | 无可见损伤,ΔR≤±(0.1%R+0.05Ω) | JIS-C-5202 6-3 |
可焊性 | 新焊锡覆盖率为95%以上 | JIS-C-5202 6-5 270℃ 5 seconds |
■环境特性 Environmental specifications
特性 | 规格值 | 试验方法 |
耐热性 | 除端子外无明显变色和损伤,标志清晰 | JIS-C-5202 7-2 350℃ 2hours |
热冲击 | 无可见机械损伤 | JIS-C-5202 7-3 |
耐湿性 | 无可见损伤,标志清晰,ΔR≤±(5%R+0.05Ω),绝缘电阻≥100MΩ | JIS-C-5202 7-5 |
耐久性 (额定负载) | 外观无可见损伤,标志清晰,ΔR≤±(5%R±0.05Ω) | JIS-C-5202 7-10 100%负荷 rated power load 90 min ON 30 min OFF 500hours |
■规格 Specification
外型、尺寸 Configuration (m/m)
Power | 尺 寸 mm | Resistance Range | |||||||||
L | D | d | H | h | i | k | b | t | d1 | ||
8 | 35±1.5 | 14±2.0 | 5.5±0.5 | —— | 28.5±2.5 | —— | —— | 3.5±0.8 | 4.5 | 2 |
|
10 | 41±1.5 | 0 | +1.0 | +2.0 | 5.1—220 | ||||||
16 | 45±1.5 | 17±2.0 | 8±0.5 | 0 | 31±2.5 | +1.0 | 5.1—300 | ||||
20 | 51±2 | +1.0 | 5.1—390 | ||||||||
25 | 21±2.5 | 12±0.6 | 0 | 35±2.5 | 10—510 | ||||||
30 | 71±2.2 | +1.0 | 10—910 | ||||||||
40 | 87±2.2 | +1.0 | 20—1100 | ||||||||
50 | 91±2.4 | 29±3.0 | 20±1.1 | 0 | 43±3.0 | +1.0 | +2.0 | 4.5±1 | 6 | 2.5 | 20—1500 |
75 | 140±3.2 | +1.0 | 24—2400 | ||||||||
100 | 170±3.5 | +1.0 | 24—3300 | ||||||||
150 | 215±4.0 | +1.0 | 20-4700 | ||||||||
200 | 270±5.0 | 19±1.1 | +1.0 | 20-6500 |
■ 额定功耗曲线 Power Derating Curve
环境温度 | 0~20℃ | 20℃以上 |
功率损耗 | 100% | 见图 |