按GB/T5729《電子設(shè)備用固定電阻器第 一部分:總規(guī)范》進行質(zhì)量評定的電子元器件 According to《 Fixed resistors for use in electronic equipment-part 1:General specification》,The quality evaluation of electronic components |
GB5732—85 IEC115-1-4—83 |
外形圖:(外形尺寸見表2) Outline :(the out dimensions as Table 2:) |
KNP涂覆型線繞電阻器 KNP COATED Wire Wound Resistor
|
涂覆型 SILICONE COATED |
|
評定水平:assessment level:E
穩(wěn)定度等級:Steability rating 5%
|
額定值和特性
1、產(chǎn)品外形尺寸:見表1
表2 單位unit:mm
型號: Model |
電阻體尺寸 Resistor dimension Max |
引線尺寸 Terminal dimension |
|||
正常體積 |
小形化 |
D max |
L max |
d±0.05 |
l±1 |
RX21-1/4W |
RX22-1/2WS |
2.8 |
6.5 |
0.45 |
27 |
RX21-1/2W |
RX22-1WS |
4 |
9.5 |
0.50 |
24 |
RX21-1W |
RX22-2WS |
5 |
13 |
0.65 |
24 |
RX21-2W |
RX22-3WS |
5.5 |
17 |
0.65 |
26 |
RX21-3W |
RX22-5WS |
7.5 |
19 |
0.70 |
26 |
RX21-5W |
RX22-6WS |
8.5 |
26 |
0.75 |
26 |
RX21-6W |
RX22-7WS |
8.5 |
34 |
0.75 |
26 |
RX21-7/8W |
RX22-10WS |
8.5 |
41 |
0.75 |
26 |
RX21-10W |
RX22-12WS |
8.5 |
54 |
0.78 |
26 |
2、降功耗曲線:
此降功耗曲線適用于特性V(通用型),特性N(無感)。
3、The main technique date
表3
型 號 Model |
阻值Resistivity (Ω) |
阻值允許偏差 Resistance tolerance (%) |
溫度系數(shù) T.C.R ×10-6/℃ |
最大使用電壓 Max.working voltage(V) |
元件極限電壓 Limit voltage (V) |
|
正常體積 |
小形化 |
|||||
1/4W |
1/2WS |
0.1~120 |
±2 ±5 |
≥10Ω: ±250 5<R<10Ω: ±500 ≤5Ω 不規(guī)定 No provisions |
150 |
300 |
1/2W |
1WS |
0.1~150 |
150 |
400 |
||
1W |
2WS |
0.1~220 |
150 |
400 |
||
2W |
3WS |
0.05~430 |
250 |
400 |
||
3W |
5WS |
0.05~750 |
350 |
600 |
||
5W |
6WS |
0.1~3.3K |
350 |
600 |
||
6W |
7WS |
0.1~5.6K |
500 |
600 |
||
7/8w |
10ws |
0.1~8.2K |
600 |
700 |
||
10W |
12WS |
0.1~15K |
750 |
800 |
穩(wěn)定度等級:Steability grade:5%
4、包裝要求
包裝方式(manner of packing): 盒(袋)式包裝(Packaging boxes (bags))
5、標志
1)電阻器上應(yīng)做以下標明:
a.標稱阻值
b.阻值允許偏差
2)電阻器包裝標簽上應(yīng)做以下標明:
a.產(chǎn)品型號、名稱及額定功耗
b.阻值允許偏差 Resistance tolerance
c.制造年、月、日及生產(chǎn)批號
d.制造廠名稱及商標
e.檢驗員印章
6、 主要試驗項目、試驗方法及合格判據(jù)
表4
試驗項目 Test item |
測試條件 Test method |
性能要求 Function requirement |
耐電壓 With standard |
V形塊法 V model block method 施加交流電壓 To apply direct current |
無擊穿或飛弧 No break down or arc-over |
可焊性 Solder ability |
槽焊法Slot welding:245±5℃ 2±0.5 s |
引出端濕潤、焊料自由流動,說明包焊良好。 Terminal and humid, the free flow of solder, solder shows a good package. |
過載 Over load |
施加2.5倍額定電壓,時間5秒 Apply 2.5times rated voltage,time:5second |
無可見損傷 No visible damage △R≤±(1%R+0.05Ω) |
引出端強度 Terminal strength |
引出端施加拉力Terminal applied strain: 10N (0.5≤d≤0.8 ), 10S |
無可見損傷 No visible damage △R≤±(1%R+0.05Ω) |
負荷壽命Resistance to moisture load life |
25℃,加額定負荷:1.5小時ON,0.5小時OFF,1000小時。 At 25℃,rated loading,1.5H ON,0.5H OFF,1000H. |
△R≤±(5%R+0.05Ω) |
不燃性 Noninflamm ability |
對電阻器施分別施加5倍、10倍額定功率,5分鐘: For resistor respectively applying five times, ten times, 16 times rated power, 5 minutes: |
無明顯火焰 No visible flame |
注:電阻符合歐盟ROHS要求 Note: Resistor compliance with EU ROHS requirements.
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