Dongguan Tianrui Electronics Co., Ltd
| Payment Terms | T/T, Paypal, Mastercard, Wetern Union, Alipay, etc |
| Supply Ability | 1000000PCS per Month |
| Delivery Time | 5-7 work days |
| Packaging Details | PE bag, Bulk |
| Product Name | SMD Disk Metal Oxide Surface Mount Varistor |
| Type | SMD BSMD |
| Chip Size | 7D 10D |
| Tolerance | 10% |
| Varistor Chip | Zinc Oxide Ceramics |
| Electrode | Silver Paste |
| Lead Wire | Tinned Metal Bracket |
| Solder Material | Lead-free Solder |
| Moisture Barrier | Epoxy Resin |
| Application | Absorb the surge voltage |
| Brand Name | Tianrui |
| Model Number | SMD series |
| Certification | ROHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Paypal, Mastercard, Wetern Union, Alipay, etc | Supply Ability | 1000000PCS per Month |
| Delivery Time | 5-7 work days | Packaging Details | PE bag, Bulk |
| Product Name | SMD Disk Metal Oxide Surface Mount Varistor | Type | SMD BSMD |
| Chip Size | 7D 10D | Tolerance | 10% |
| Varistor Chip | Zinc Oxide Ceramics | Electrode | Silver Paste |
| Lead Wire | Tinned Metal Bracket | Solder Material | Lead-free Solder |
| Moisture Barrier | Epoxy Resin | Application | Absorb the surge voltage |
| Brand Name | Tianrui | Model Number | SMD series |
| Certification | ROHS | Place of Origin | China |
| High Light | 460V Surface Mount Varistor ，7D471K Surface Mount Varistor ，SMD Metal Oxide Varistor | ||
White Round Button Shape Max Limit Voltage 460V 07D 471K 7D471K SMD Disk Metal Oxide Surface Mount Varistor For LED Lighting
Description of SMD Disk Metal Oxide Surface Mount Varistor
SMD Disk Varistor series is a product specially developed for surface mounting. Because of its good heat dissipation, it has the advantages of other types of SMD products, and also has high combined wave resistance, high working voltage capability, low residual voltage, and insulation High voltage, BSMD series are not prone to oxygen.
Apperance and Pad size of Button Shape Metal Oxide Vasristor
| Spec | Dmax | H | Tmax |
Pad centre distance C
| Pad A | Pad B | |
| Φa | b1 | b2 | |||||
| 07D271K | 7.8 | 11.1 | 3.5 | 6.75 | 3.3 | 3.8 | 2.5 |
| 07D471K | |||||||
| 07D511K | |||||||
| 07D561K | |||||||
| 10D271K | 11.5 | 14.2 | 3.5 | 8.25 | 4.0 | 4.0 | 2.5 |
| 10D471K | |||||||
| 10D511K | |||||||
| 10D561K |
Structure and Materials of Button Shape Surface Mount Metal Oxide Varistor
| NO | Components | Name |
| 1 | Varistor Chip | Zinc oxide ceramics |
| 2 | Electrode | Silver paste |
| 3 | Lead wire | Tinned metal bracket |
| 4 | Solder material | Lead-free solder |
| 5 | Coating | Lightning protection glaze/epoxy resin |
| 6 | Moisture barrier | Epoxy Resin |
Main Electrical Properties of 07D 471K 7D471K SMD Disk Metal Oxide Surface Mount Varistor
| P/N | Varistor Voltage V 1mA (V) | Max Continuous Working Voltage | Max limit voltage (8/20us) | Max flow energy (8/20us) 40time (A) | Max Static power (W) | Energy (J) | Typical Capacitance (Ref.) @1KHZ(pF) | |||
| AC (Vrms) | DC (V) | Vc (V) | IP (A) | 2ms | 10/1000μs | |||||
| 07D271K | 270士10% | 175 | 225 | 460 | 10 | 1000 (@2KV) | 0.25 | 12.6 | 24 | 170 |
| 07D471K | 470土10% | 300 | 385 | 780 | 26.8 | 42 | 100 | |||
| 07D511K | 510士10% | 320 | 418 | 840 | 28.0 | 45 | 90 | |||
| 07D561K | 560土10% | 350 | 460 | 925 | 28.0 | 45 | 90 | |||
| 10D271K | 270士10% | 175 | 225 | 460 | 25 | 2000 (@4KV) | 0.40 | 30 | 49 | 350 |
| 10D471K | 470士10% | 300 | 385 | 780 | 52 | 85 | 230 | |||
| 10D511K | 510士10% | 320 | 418 | 840 | 52 | 92 | 210 | |||
| 10D561K | 560士10% | 350 | 460 | 925 | 52 | 92 | 190 | |||
Features Of SMD Disk Metal Oxide Surface Mount Varistor For LED Lighting
1) Suitable for reflow soldering with surface mounting technology, and the metal pins will not drop out;
2) High anti-combined wave ability, and the impact time interval can be shortened to 10 seconds;
3) High working voltage, which is more than 30V higher than other types of varistor working voltage;
4) Low residual voltage;
5) High insulation voltage and good resistance to hot flashes;
6) The structure is small and exquisite, the top is high and low;
7) Small inductance structure with fast response;
8) High working temperature: -40℃~+125℃.
Application Of SMD Disk Metal Oxide Surface Mount Varistor For LED Lighting
● LED lights;
● Power supply: switching power supply;
● Communication equipment
● Household appliances;
● Industrial equipment;
● Street LED light
Package Of SMD Disk Metal Oxide Surface Mount Varistor For LED Lighting
Reflow Soldering Curve Of SMD Disk Metal Oxide Surface Mount Varistor For LED Lighting
SMD varistor is soldered with lead-free solder, and the silver side of the chip is used as one of the soldering surfaces. Therefore, the above reflow soldering curve is recommended for soldering. If the above conditions (265 ℃/20S-40S, in and out time 8~10 minutes) are exceeded, soldering , Please pay attention to the problem of tin melting and the virtual silver electrode on the bonding surface.
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
Tel/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363
Company Details
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
9000000-9500000
Employee Number:
150~150
Ecer Certification：
Verified Supplier
Dongguan Tianrui Electronics Co., Ltd. was founded in 2010. It covers an area of 4,000 square meters and has a monthly production capacity of 50 million pieces. We are committed to be a comprehensive circuit protection component manufacturer and solution supplier. We are specialized in the design, d... Dongguan Tianrui Electronics Co., Ltd. was founded in 2010. It covers an area of 4,000 square meters and has a monthly production capacity of 50 million pieces. We are committed to be a comprehensive circuit protection component manufacturer and solution supplier. We are specialized in the design, d...
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