RX21功率型線繞電阻器power resistors

■產品特點Features
◆低噪音 low noise
◆線性好 excellent linearity
◆耐高溫 high temperature resistant
◆采用灰色阻燃型包封涂料,色環標志 grey coating color marking
■ 應用領域Applications
◆ 應用在各類電子產品中。Used in all kinds of electrical devices including charger.
■外形尺寸Dimensions

規格Part No. |
尺寸Dimensions mm |
Lmax |
Dmax |
d±0.5 |
l±3 |
RX21-0.5W |
10.5 |
3.9 |
0.6 |
25 |
RX21-1W(2W) |
14 |
5.5 |
0.7/0.8 |
25/33 |
RX21-2W(3W) |
17 |
6.5 |
0.8 |
25/30 |
RX21-4 |
26 |
9.5 |
0.8 |
25/30 |
RX21-5W(6W) |
26 |
10 |
0.8 |
25/30 |
RX21-8W |
34 |
10 |
1.0 |
25 |
RX21-10W |
40 |
10 |
1.0 |
25 |
RX21-12W |
48 |
10 |
1.0 |
25 |
■技術說明technical specifications
型號
Type |
額定功率
Rated
power |
溫度系數
TCR
ppm |
阻值范圍
Res range
(Ω) |
額定功率環境溫度
Rating
temp |
使用溫度范圍
Temp range |
阻值精度
|
RX21-0.5W |
0.5W |
±250 |
0.1-68 |
+70℃ |
-55℃/+155℃ |
J(±5%)
K(±10%) |
RX21-1W(2W) |
1W(2W) |
0.1-330 |
RX21-2W(3W) |
2W(3W) |
0.1-3K9 |
RX21-4 |
4W |
|
0.1-8K2 |
RX21-5W(6W) |
5W(6W) |
0.1-9K1 |
RX21-8W |
8W |
0.1-27K |
RX21-10W |
10W |
0.1-33K |
RX21-12W |
12W |
0.1-39K |
注:客戶有特殊要求可訂制。
■性能指標performance
試驗項目test item |
性能要求 |
試驗方法 |
短時間過負荷short time overload |
△R≤±(1%R+0.05Ω) |
10VR ,5S |
溫度快速變化rapid change of temp |
△R≤±(1%R+0.05Ω) |
-55℃/275℃,30min 5cycle |
耐焊接熱leaching |
△R≤±(1%R+0.05Ω) |
350℃±10℃,3.5±0.5S |
氣候順序climatic category |
△R≤±(5%R+0.1Ω) |
125℃,16h/55℃,RH93±3%,24h/-55℃,2h/15~35℃,8.5kPa,1h |
70℃耐久性endurance at 70℃ |
△R≤±(5%R+0.1Ω) |
70℃±℃,PR ,1000h |
|