深圳市萬聯(lián)盛科技有限公司
專注于高品質(zhì)電阻器 - 豐富的生產(chǎn)研發(fā)管理團(tuán)隊(duì)
18617185077 彭生
0755-27606841
 |
1.Good performance in moisture resistance, small size, anti-oxidization ,good
2.thermal stability, nonflammability, overload stability.
耐溫、抗氧化、熱穩(wěn)定性好、不燃性、超負(fù)載穩(wěn)定性好。
3.Operating ambient temperature:-55°C ~ +155°C. 使用環(huán)境溫度。
4.The surface is nonflammable , 表面涂不燃性面漆。
5.Resistance tolerance阻值誤差: ±2%, ±5%.
| 額定電力 Rated power |
絕緣耐電壓 Dielectric withstanding voltage |
KNP阻值範(fàn)圍(Ω) KNP Resistance Range(Ω) |
NKNP阻值範(fàn)圍(Ω) NKNP Resistance Range(Ω) |
|
| 標(biāo)準(zhǔn)品 Std-ype | 小型品Mini-type | |||
| 1/2W | 1WS | 200V | 0.01Ω-200Ω | 0.1Ω-68Ω |
| 1W | 2WS | 300V | 0.01Ω-200Ω | 0.1Ω-100Ω |
| 2W | 3WS | 300V | 0.01Ω-250Ω | 0.1Ω-100Ω |
| 3W | 5WS | 300V | 0.01Ω-250Ω | 0.1Ω-100Ω |
| 5W | 300V | 0.01Ω-300Ω | 0.1Ω-100Ω | |
| 額定電力 Rated power | 尺 寸 Dimensions | ||||
| L | ψD | ψd±0.05 | l±2.0 | ||
| 1/2W | 1WS | 9.0±1.0 | 3.2±0.5 | 0.50 | 26 |
| 1W | 2WS | 11.5±1.0 | 4.5±1.0 | 0.60 | 25 |
| 11.5±1.0 | 4.5±1.0 | 0.60 | 30 | ||
| 2W | 3WS | 15.5±1.0 | 5.0±1.0 | 0.60 | 23 |
| 15.5±1.0 | 5.0±1.0 | 0.60 | 33 | ||
| 3W | 5WS | 17.5±1.5 | 6.0±1.0 | 0.65 | 32 |
| 17.5±1.5 | 6.0±1.0 | 0.65 | 38 | ||
| 5W | 24.5±1.5 | 8.0±1.0 | 0.70 | 35 | |
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Test Item 測試項(xiàng)目 |
Test Condition 測試條件 |
Performance 性能 |
| Temperature Coefficient 溫度系數(shù) |
The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. 在常溫及常溫+100°C時(shí)分別測量電阻值并計(jì)算每度的阻值變化。 |
±350ppm/°C (±500PPM/℃＜1Ω) |
|
Short Time overload 短時(shí)間過負(fù)荷 |
2.5×rated voltage or Max. overload voltage(get the lower) for 5 seconds. 施加2.5倍額定電壓或最高負(fù)荷電壓（取較小者）5秒。 |
R≤±(1%R0+0.05Ω) |
|
Resistance to soldering Heat 耐焊接熱 |
Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C錫爐中浸入2~3秒。 |
R≤±(1%R0+0.05Ω) |
|
Solderability 可焊性 |
Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C錫爐中浸入2~3秒。 |
The soldering area is over 95% 焊錫面積覆蓋率達(dá)95%以上 |
| Temperature cycling 溫度循環(huán) |
At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles. 在-55°C時(shí)放置30分鐘，然后在+25°C時(shí)放置10~15分鐘，然后再在+275°C時(shí)放置30分鐘，接著在+25°C時(shí)放置10~15分鐘，共循環(huán)5次。 |
R≤±(1%R0+0.05Ω) |
| Load life in humidity 耐濕負(fù)荷壽命 |
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity. 在溫度為40±2°C，相對濕度為90~95%的恒溫恒濕箱中，施加額定電壓或最大工作電壓（取較小者）共1000小時(shí)（通電0.5小時(shí)，斷電0.5小時(shí)） |
R≤±(5%R0+0.05Ω) |
|
Load life in heat 耐濕負(fù)荷壽命 |
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C. 在溫度為70±2°C的恒溫恒濕箱中，施加額定電壓或最大工作電壓（取較小者）共1000小時(shí)（通電0.5小時(shí)，斷電0.5小時(shí)） |
R≤±(5%R0+0.05Ω |
