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发布日期:2022-5-6 18:39:02 所属分类:充放电/抗突波电阻器 访问统计:781
贴片功率电阻,高负载脉冲电阻 |
抗突波绕线晶圆电阻(SWM系列)的额定功率范围为1W至4W。电阻范围为1Ω至1.2KΩ。符合AEC-Q200规范,可使用表面黏着技术过锡炉打件,散热性优于片式电阻器,圆柱型结构拥有较强的机械结构,可以抗振动和耐热冲击,增强绕线焊接点的结构强化,产品符合RoHS要求,并且不含欧洲化学品管理局禁止的高度关注的物质,抗突波绕线晶圆电阻适用于高浪涌应用,例如功率电容器的高浪涌电流保护,电机启动保护,汽车和摩托车发动机点火等,以吸收有害的浪涌能量,从而避免了由浪涌能量引起的电路损坏危险。 |
Applications: | |
•Lighting devices | |
•Motor start-up protection | |
•Power supplies & Power adapters | |
•High rush current protection for power capacitor | |
Features: | |
• AEC-Q200 Compliant | |
• Enhanced welded spot is reliable against surge | |
• Fast-acting fuse device for high-power applications | |
• Advanced combined anti- surge & fast-fuse structure | |
• Excellent in heat dissipation than chip resistor | |
• Stronger mechanical structure to vibration and thermal shock | |
• Flameproof multi-layer coating equivalent to UL 94 V-0 | |
• Flameproof feature equivalent to overload test UL 1412 | |
• Thermal fuse to protect against over-heating in electronic products | |
• SMD enabled structure | |
• Products meet RoHS requirements and do not contain substances of very high concern identified by European Chemicals Agency | |
• SWM series is applied in high surge applications such as high rush current protection for power capacitor, motor start-up protection, car & motorcycle engine ignition, etc. to absorb harmful surge energy, so to prevent hazard of circuit damage caused by surge energy | |
Dimensions: | Unit:mm |
Type | Body Length(L) | Body Diameter(D) | Soldering Spot (B) |
SWM100 | 8.50 ± 0.50 | 3.00 ± 0.20 | 1.3 Min. |
SWM200 | 10.50 ± 0.50 | 4.00 ± 0.50 | 1.6 Min. |
SWM300 | 12.60 ± 0.60 | 4.60 ± 0.50 | 1.8 Min. |
SWM400 | 14.60 ± 0.60 | 5.10 ± 0.50 | 2.0 Min. |
General Specifications: |
Type | Power Rating (at70°C) |
Maximum Working Voltage① | Maximum Overload Voltage② | Maximum Permissible Surge Voltage | Minimum Resistance |
Maximum Resistance |
Resistance Tolerance |
SWM100 | 1W | √(PxR) | 2.5x√(PxR) | 7.5KV | 1Ω | 1.2KΩ | ±5% |
SWM200 | 2W | √(PxR) | 2.5x√(PxR) | 8.5KV | 1Ω | 1.2KΩ | ±5% |
SWM300 | 3W | √(PxR) | 2.5x√(PxR) | 9KV | 1Ω | 1.2KΩ | ±5% |
SWM400 | 4W | √(PxR) | 2.5x√(PxR) | 11KV | 1Ω | 1.2KΩ | ±5% |
①:Rated Continuous Maximum Working Voltage (RCWV) should be determined from RCWV = √(Power Rating x Resistance Values) |
②:Short-time Overload (STOL) test should be determined from STOL=2.5 × RCWV |
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