深圳市万联盛科技有限公司
专注于高品质电阻器 - 丰富的生产研发管理团队
18617185077 彭生
0755-27606841
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Flameproof and insulating coating designed to assure safe usage by special non-flammable silicon-base
2.小型化能高密度插装。
Small size are good for high density application
3.可用于自动表面贴装(SMD)装配系统。它们适于通过回流焊进行自动焊接。
The resistors are suitable for processing on automaticSMD assembly systems.
外形尺寸DIMENSIONS：
| Type 型 号 | L(mm) | D(mm) | K(mm) |
| 0207 | 5.9±0.2 | 2.2±0.20 | 0.8 |
| 0309 | 8.5±0.3 | 3.2±0.30 | 0.8 |
| 0411 | 10.5±0.2 | 4.0±0.3 | 2.3 |
| 0515 | 14.5±0.3 | 4.5±0.3 | 2.3 |
额定值RATINGS:
| Type Item | 功率范围 at 70℃ | 工作温度 范围 | 电阻值范围 | T.C.R. (PPM/K) |
| ±1%, ±2%, ±5% | ||||
| 0207 | 1/4 W | -55~155℃ | 0.1Ω~100Ω | ±10、 ±25、 ±100、 ±300、 |
| 0309 | 1/2 W | -55~155℃ | 0.1Ω~100Ω | |
| 0411 | 1W | -55 ~155℃ | 0.1Ω~100Ω | |
| 0515 | 2W | -55 ~155℃ | 0.1Ω~100Ω | |
| 0207 | 1/2 WS | -55 ~155℃ | 0.1Ω~100Ω | |
| 0309 | 1 WS | -55 ~155℃ | 0.1Ω~100Ω | |
| 0411 | 2WS | -55 ~155℃ | 0.1Ω~100Ω | |
| 0515 | 3WS | -55 ~155℃ | 0.1Ω~100Ω |
测试步骤和要求/ Environmental Characteristics:
| 测试项目/ Item | 测试要求/Requirement | 测试步骤/ Test Method |
|
短时间过附载试验 Short Time Overload |
±(1.0%+0.05Ω) | RCWV*×2.5 or Max. Overload voltage for 5 seconds. |
|
耐湿负载试验 Damp Heat with Load |
±(3.0%+0.05Ω) | 40±2℃, 90~95% R.H. Max. Working voltage for 1,000 hrs. with 1.5 hrs. “ON” and 0.5 hrs. “OFF”. |
|
寿命负载试验 Endurance |
±(3.0%+0.05Ω) | 70±2℃, Max. Working voltage for 1,000 hrs. with 1.5 hrs. “ON” and 0.5 hrs. “OFF”. |
|
弯曲端子强度试验 Bending Strength |
±(0.5%+0.05Ω) | Bending once for 5 seconds with 2mm. |
|
焊锡性试验 Solder ability |
95% min. coverage | 245±5℃ for 3 seconds. |
|
焊锡耐热性试验 Resistance to soldering heat |
(±1.0%+0.05Ω) | 260±5°C for 10 seconds |
|
绝缘耐压试验 Voltage Proof |
No breakdown or flashover | 0207 350V 0309以上500V for 1 minute. |
|
绝缘电阻试验 Insulation Resistance |
>1,000MΩ | 0207 350V 0309以上500V for 1 minute. |
