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汤晶晶：19007525295
吴文兰：18129526839
李白莲：18129546115
RXG24
功率型铝外壳固定电阻器
Power Type Aluminum Shell Fixed Resistor
产品特点Features&Application
1.铝外壳散热，适用于散热板安装。
Aluminum shell for heat dissipation, suitable for installation of heat dissipation plates.
2.体积小，功率负荷大。
Small size and high power load.
3.模压成型，绝缘性能好，适用标准：
Molded and molded, with good insulation performance. Applicable standards:
1、电子设备固定电阻[敏感词]部分总规范（GB/T5729-94）
Fixed resistors for electronic devices - Part 1: General specification (GB/T5729-94)
2、电子设备固定电阻第四部分总规范（GB/T5732-85）
Fixed resistors for electronic devices - Part 4: General specification (GB/T5732-85)
降功耗曲线 Power Derating Curve
A 适合所有RXG24 带散热板的电阻器。A is suitable for all RXG24 resistors with heat dissipation boards.
B 为5W 和10W 不带散热板。B is 5W and 10W without heat dissipation plate.
C 为25W 不带散热板。C is 25W without heat dissipation plate.
D 为50W-500W 不带散热板。D is 50W-500W without heat dissipation plate.
技术说明Technical Specification
|
型号 |
25 ℃ Rated power |
阻值范围（Ω） Resistance range |
温度系数 （10/℃） temperature coefficient |
阻值误差（%） Resistance error |
耐电压（V） Voltage endurance |
|
|
带散热板 |
不带散热板 |
|||||
|
5 |
3 |
0.01-1K |
||||
|
10 |
8 |
0.01-1.5K |
||||
|
25 |
12.5 |
0.01-10K |
2000 |
|||
|
30 |
15 |
0.01-27K |
||||
|
RXG24 |
50 |
20 |
0.01-33K |
±50 |
F：±1% |
|
|
75 |
45 |
0.01-39K |
||||
|
100 |
50 |
0.01-51K |
±100 |
G：±2% |
||
|
150 |
55 |
0.01-56K |
±250 |
J：±5% |
||
|
100 |
50 |
0.01-62K |
2500 |
|||
|
200 |
100 |
0.01-56K |
||||
|
250 |
120 |
0.01-75K |
||||
|
300 |
150 |
0.01-75K |
||||
|
500 |
200 |
0.01-82K |
||||
性能试验Performance Parameters
|
试验项目 TEST ITEM |
性能要求 SPECIFICATIONS |
试验方法 TEST METHOD |
|
SJ1330-78 |
||
|
可焊性 Solderability |
焊料能自由流动并引线润湿 Solder can freely flow and lead wetting |
235±5℃，2S 槽焊法 235 ± 5 ℃, 2S slot welding method |
|
引出端强度 Terminal tensile strength |
△R≤ ±(1%R+0.05Ω ) |
40N |
|
过载 Overload |
△R≤ ±(1%R+0.05Ω ) |
5P，5s |
|
温度变化 temperature variation |
△R≤ ±(1%R+0.05Ω ) |
-55～+155℃，5 次循环 -55~+155 ℃, 5 cycles |
|
耐焊接热 Resistance to Soldering Heat |
△R≤ ±(1%R+0.05Ω ) |
350 ±10℃,35 ? 5s |
|
冲击 Shook |
△ R≤ ±( 1%R+0.05Ω ) |
加速度 490m/s²,11ms，18 次 Acceleration 490m/s ², 11ms, 18 times |
|
振动 Vibratious |
△R≤ ±(1%R+0.05Ω ) |
频率 10-50Hz,加速度 98m/s²,6h Frequency 10-50Hz, acceleration 98m/s ², 6h |
|
表面温升 Surface temperature Rise |
≤275℃ |
VR |
|
恒定湿热 Steady damp-heat |
△R≤ ±(5%R+0.05Ω ) |
温度 40±2℃,湿度 93-²-3%,21 天 Temperature 40 ± 2 ℃, humidity 93- ² - 3%, 21 days |
|
长期寿命 Load Life |
△R≤ ±(5%R+0.05Ω ) |
室温施加额定功率负荷 1000h Apply rated power load at room temperature for 1000h |
外形尺寸External dimensions
|
|||||||||||||||
|
型号 |
25℃下额定功率 （W）带散热板 Rated power at 25 ℃ (W) with heat dissipation plate |
外形尺寸 Dimensions（mm） |
重量 Weight （g） |
||||||||||||
|
电阻体 Resistive Element |
|||||||||||||||
|
C |
F |
D |
G |
E |
A1 A2 |
B |
J |
H |
M |
L |
面积 CM² |
厚度 mm |
|||
|
RX24 |
5 |
15.5 |
16 |
36.5 |
8 |
8.5 |
11.4 |
12 |
4.4 |
1.5 |
1.2 |
2.2 |
415 |
1 |
3 |
|
10 |
19.5 |
21 |
40.5 |
10 |
11.2 |
14 |
16 |
5 |
2 |
2 |
2.5 |
415 |
6 |
||
|
20 |
27 |
27 |
48 |
13 |
14.3 |
18.3 |
20 |
7 |
2 |
2 |
3.5 |
535 |
11 |
||
|
30 |
34 |
29 |
55 |
15.5 |
16.3 |
25 |
22 |
7.3 |
2 |
2 |
3.5 |
535 |
18 |
||
|
50 |
50 |
29 |
71 |
15.5 |
16.3 |
40 |
22 |
7.3 |
2 |
2 |
3.5 |
995 |
30 |
||
|
RXG24 |
75 |
65.5 |
48 |
93.5 |
26 |
27 |
23.5 |
37 |
11.5 |
3.5 |
M4 |
4.4 |
995 |
3 |
90 |
|
100 |
98 |
48 |
126 |
26 |
27 |
35 |
37 |
11.5 |
3.5 |
M4 |
4.4 |
995 |
160 |
||
|
150 |
130 |
48 |
165 |
26 |
27 |
52 |
37 |
11.5 |
3.5 |
M4 |
4.4 |
995 |
240 |
||
|
200 |
92 |
73 |
132 |
45 |
46.5 |
35 |
58 |
21 |
5 |
M6 |
5.5 |
3750 |
420 |
||
|
250 |
112 |
73 |
152 |
45 |
46.5 |
45 |
58 |
21 |
5 |
M6 |
5.5 |
4765 |
480 |
||
|
300 |
130 |
73 |
170 |
45 |
46.5 |
51 |
58 |
21 |
5 |
M6 |
5.5 |
5780 |
580 |
||
|
500 |
204 |
73 |
244 |
45 |
46.5 |
87 |
58 |
21 |
5 |
M6 |
5.5 |
8500 |
970 |
||
订购信息Ordering Information
|
选型示例： RXG 24 - 200 W 5 R J( RXG 24 200 瓦 5 欧姆± 5%) Selection example: RXG24-200W5RJ (RXG24 200W 5 ohms ± 5%) |
|||
|
型号 |
瓦数 |
阻值 |
精度 |
|
RXG 24 |
200 W |
5 R |
F： ± 1% G ： ± 2% J： ± 5%
|
E-mail:twj@twjohm.com