联系人:王先生
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传真:0755-86377615
邮件:liang@szsov.com
地址:深圳市南山区新光路西丽工业区12栋309
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发布日期:2022-5-6 20:11:28 所属分类:充放电/抗突波电阻器 访问统计:803
贴片保险丝电阻,大功率电阻 |
抗突波绕线可熔断晶圆电阻(SWMT系列)的额定功率为1W至4W,电阻范围为1Ω至470Ω,,透过特殊处理将合金线与帽盖的焊点强化,使电阻能够承受更大的浪用冲击,电阻中增加保险丝功能,因此能够适用于大功率快速熔断的应用,此种抗浪涌和快速熔断组合的结构,大幅领先同业,散热性优于片式贴片电阻,圆柱型结构更能够抗震和耐热冲击,符合UL 94V-0的防火多涂层外漆,防火功能通过UL1412的过载测试,电阻的熔断功能可有效防止电子产品过热烧毁,符合RoHS / REACH规范。 |
Applications: | |
•Lighting devices | |
•Motor start-up protection | |
•Power supplies & Power adapters | |
•High rush current protection for power capacitor | |
Features: | |
• Worldwide patent pending | |
• 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 | |
Dimensions: | Unit:mm |
Type | Body Length(L) | Body Diameter(D) | Soldering Spot (B) |
SWMT100 | 8.50 ± 0.50 | 3.00 ± 0.20 | 1.3 Min. |
SWMT200 | 10.50 ± 0.50 | 4.00 ± 0.50 | 1.6 Min. |
SWMT300 | 12.60 ± 0.60 | 4.60 ± 0.50 | 1.8 Min. |
SWMT400 | 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 |
SWMT100 | 1W | √(PxR) | 2.5x√(PxR) | 7.5KV | 1Ω | 470Ω | ±5% |
SWMT200 | 2W | √(PxR) | 2.5x√(PxR) | 8.5KV | 1Ω | 470Ω | ±5% |
SWMT300 | 3W | √(PxR) | 2.5x√(PxR) | 9KV | 1Ω | 470Ω | ±5% |
SWMT400 | 4W | √(PxR) | 2.5x√(PxR) | 11KV | 1Ω | 470Ω | ±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 |
SINGLE SURGE PERFORMANCE: |
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