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The OPAx197 family (OPA197, OPA2197, and OPA4197) is a new generation of 36-V operational amplifiers. These devices offer outstanding dc precision and ac performance, including rail-to-rail input/output, low offset (±25 µV, typical), low offset drift (±0.25 µV/°C, typ), and 10-MHz bandwidth. Unique features such as differential input-voltage range to the supply rail, high output current (±65 mA), high capacitive load drive of up to 1 nF, and high slew rate (20 V/µs) make the OPA197 a robust, highperformance operational amplifier for high-voltage, industrial applications. The OPA197 family of op amps is available in standard packages and is specified from –40°C to +125°C

galvanized steel plate has acid and alkali corrosion resistance , high te- mperature resistance, rust resistance and long service life.Use precision cutting instrument to make the cutting surface of stainless steel plate flat without scratches and burrsThe galvanized steel plate is accurate in size, uniform in thickness, easy to bend and reprocess, and the products produced are of high quality. Alloyed galvanized steel plate is also made by hot dipping, but immediately after the trough, it is heated to about 500℃, so that it produces zinc and iron alloy film. This galvanized sheet has good coating tightness and weldability. galvanized steel plate has acid and alkali corrosion resistance , high te- mperature resistance, rust resistance and long service life.Use precision cutting instrument to make the cutting surface of stainless steel plate flat without scratches and burrsThe galvanized steel plate is accurate in size, uniform in thickness, easy to bend and reprocess, and the products produced are of high quality.

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Q&A Q: What files do you use in PCBA fabrication? A: Gerber or Eagle, BOM listing, PNP and Components Position. Q: Is it possible you could offer sample? A: Yes, we can custom samples for your testing before mass production. Q: How much time could I get the quotation after sent Gerber, BOM and test procedure? A: Within 6 hours for PCB quotation and around 24 hours for PCBA quotation. Q: How can I know the process of my PCBA production? A: 7-10 days for PCB production and components purchasing, and 10 days for PCB assembly and Testing. Q. Are my design secure when I send them to you? Your files are held in complete safety and security while Kerongda is in possession of them.Your files are never shared with any third parties,only our colleagues have access to your design files.Since they are your property,we respect the copyright of your files.The customer controls the disposition of these files per your requirements and written approval. Q.What is the warranty? The warranty is 2years.

4mm cardboard is a high-quality, lightweight, and durable material that is perfect for a variety of projects, such as presenting artwork, framing photographs, dividers, and more. It is made from recycled paper fibers and has a smooth, matte finish that gives it a professional and polished look. This versatile material is also acid-free, making it an excellent choice for archival or preservation projects. Whether you're a professional or just starting out with your crafting projects, 4mm Grey Cardboard is an excellent choice for your needs. Parameters of 4mm Cardboard Sheets Grey Cardboard Descriptions Physical properties Unit Grammage 2500 Grammage g/m2 2450-2550 Moisture Range % 14±1.5 Thickness μm 4000±15 Skewness mm ≤ ±3 Internal Bond mN.m ≥ 121 Dirt count pcs/m2 ≤50 Feature of 4mm Grey Cardboard 4mm Grey Cardboard is a heavy-duty cardboard made from 100% recycled paper and is available in a variety of sizes and thicknesses. It is a strong and durable material that is ideal for packaging, display, crafting, and sign-making. Its 4mm thickness provides excellent rigidity and stability for card and display projects, making it a popular choice for both professional and amateur crafters. If you want to know more kinds of custom cardboard packaging products, please visit our website.

400gsm cardboard – the ideal choice for a wide range of projects requiring a strong, reliable and aesthetically pleasing material. This heavyweight material is ideal for creating high-quality and durable prints, displays, packaging and signage. Its strong construction and superior stiffness are perfect for creating a professional end product, whilst its smooth white coating gives it a contemporary and stylish finish. Its versatility also makes it a great choice for crafts, card-making and other creative projects. With its bright white color, 400gsm white cardboard custom is sure to make your project stand out from the crowd. Parameters of 400gsm White Cardboard 400gsm White Cardboard Descriptions Physical properties Unit Tolerance 400 Grammage g/m2 400 -0.333333333 Thickness μm 540±15 Stiffness（CD） ≥ mN.m 5.5 Surface water absorption（Cobb60）≤ Positive g/m2 30 Back 38 Brightness(ISO) % Positive： 92.0±2.0, Back: 87.0±2.0 Roughness（pps） μm ≤1.0 Lustrousness(750) ≥ % 50 Folding resistance ≥ 20 times Dirt count pcs/m2 0.2-1.0mm2≤20 pcs,≥1.0mm2 None Moisture % 6月8日 Surface strength ≥ (IGT) m/s TD≥1.5 CD≥1.2 Feature of 400gsm White Cardboard 400gsm White Cardboard is a sort of heavy-duty cardboard, made of 400gsm paper and is known for its exceptional rigidity and solidity. Its superior thickness and strength make it a great choice for any project in which you need a reliable and strong material.

3mm corrugated cardboard is a versatile and cost-effective material used for a variety of packaging and display needs. It is a strong, lightweight material with a high tear resistance and an excellent surface finish. It is easy to cut, fold, glue, and punch, making it suitable for both manual and automated processes. It has a neutral grey color that offers a subtle contrast for printed graphics, making it an ideal choice for hardcover books, branding, advertising, and marketing materials. Parameters of 3mm Grey Custom Cardboard Grey Cardboard Descriptions Physical properties Unit Grammage 1875 Grammage g/m2 1850-1900 Moisture Range % 12±1.5 Thickness μm 3000±10 Skewness mm ≤ ±3 Internal Bond mN.m ≥ 121 Dirt count pcs/m2 ≤50 Feature of 3mm Grey Cardboard Grey board 3mm is lightweight and yet strong enough to handle a variety of tasks. It is also resistant to moisture and can be recycled, making it an environmentally friendly choice. It is quite easy to cut and shape, making it great for craft projects. If you want to know more kinds of 3mm cardboard sheets, please visit our website.

350gsm cardboard is a durable and versatile material made from recycled paper fibers. It is most commonly used for packaging, printing, crafts, and other paper-related products. Its strength and durability make it a great choice for cardboard boxes, tags, and signs. It is also ideal for creating custom items such as postcards, invitations, and business cards. its thickness ensures that it can handle heavier items. Additionally, it is completely recyclable, making it a great environmental choice. Parameters of 350gsm White Cardboard 350gsm White Cardboard Descriptions Physical properties Unit Tolerance 350 Grammage g/m2 350 -0.4 Thickness μm 350±10 Stiffness（CD） ≥ mN.m 5 Surface water absorption（Cobb60）≤ Positive g/m2 30 Back 38 Brightness(ISO) % Positive： 92.0±2.0, Back: 87.0±2.0 Roughness（pps） μm ≤1.0 Lustrousness(750) ≥ % 50 Folding resistance ≥ 20 times Dirt count pcs/m2 0.2-1.0mm2≤20 pcs,≥1.0mm2 None Moisture % 6-8 Surface strength ≥ (IGT) m/s TD≥1.5 CD≥1.2 Feature of 350gsm White Cardboard 350gsm White Cardboard is water and stain resistant, so it won’t warp or discolor over time. The material is also recyclable and environmentally friendly, making it a great choice for businesses and individuals looking to reduce their carbon footprint. Furthermore, it is lightweight and easy to cut, making it ideal for crafting projects. If you want to know more kinds of paper and cardboard packaging products, please visit our website.

340gsm paper is a versatile and dependable paper solution that is perfect for a variety of printing purposes. This white-colored paper has a weight of 340gsm and is commonly used for a range of different applications, such as all kinds of books, periodicals, picture albums color pages, calendars, covers, inserts, illustrations, product brochures, manuals, cartoon books, leaflets, envelopes, notebooks, and more. It is designed to be resistant to wear and tear and has superb color reproduction, making it the ideal choice for most printing projects. Parameters of 340gsm Offset Paper 340gsm Offset Paper Parameters Physical properties Unit Tolerance Grammage g/m2 340 ±1.5 Thickness μm 340±5 Stiffness（CD） ≥ mN.m 3 Surface water absorption（Cobb60）≤ Positive g/m2 32 Back 40 Brightness(ISO) % 93-95 Opacity % 105 Printing surface strength ≥ m/s 2 Sizing degree ≥ mm 0.75 Smoothness Positive ≥ mm2 30 Back ≥ 30 Folding resistance ≥ Times 8 Dirt count ≤ pcs/m2 5 Feature of 340gsm Offset Paper This particular type of offset paper, 340gsm Offset Paper, stands out due to its heavy weight, which makes it perfect for a range of printing jobs that require the highest quality finish. This paper also provides excellent colour reproduction and is available in a variety of sizes and textures. Its thickness also helps to ensure that it is long-lasting, so your printed materials will look as good as new for a long time. Dongguan Xiaolong Packaging, established in 2018, is specialized in the production and sales of Grey Cardboard, Duplex board, Black paper and cardboard, White cardboard,Colored Paper and kraft paper. our products are exported to more than 60 countries,we have plenty of stock for common size.

75 Inch Silver Touch Display Smart Board Interactive Flat Panel For Video Conferences Will you choose a 75 inch interactive flat panel? When considering a 75-inch interactive flat panel, there are several factors to consider, such as display resolution, touch sensitivity, connectivity options, and software compatibility. Here are 2 information to keep in mind: Display resolution: The display resolution of the interactive flat panel will affect the quality of the image and the clarity of text. A higher resolution will provide sharper images and text. A 65- inch interactive flat panel with a resolution of at least 1080p is recommended for most classroom settings. Touch sensitivity: The touch sensitivity of the interactive flat panel is important for smooth and responsive interaction. Look for a flat panel with a high level of touch sensitivity, which will allow users to write and draw with accuracy and precision.

300gsm cardboard ia a kind of high quality, durable and eye-catching material that has been used for decades in a variety of applications, from menus, monthly desk calendars and postal postcards to packaging and display boards. Its versatility and superior strength makes it an ideal choice for any project requiring a reliable, attractive and long-lasting finish. Its surface is perfect for printing, ensuring a sharp and vibrant result with each and every creation. With its superior quality, 300gsm art board is the perfect choice for any professional project. Parameters of 300gsm White Cardboard 300gsm White Cardboard Descriptions Physical properties Unit Tolerance 300 Grammage g/m2 300 -0.4 Thickness μm 300±10 Stiffness（CD） ≥ mN.m 4.5 Surface water absorption（Cobb60）≤ Positive g/m2 30 Back 38 Brightness(ISO) % Positive： 92.0±2.0, Back: 87.0±2.0 Roughness（pps） μm ≤1.0 Lustrousness(750) ≥ % 50 Folding resistance ≥ 20 times Dirt count pcs/m2 0.2-1.0mm2≤20 pcs,≥1.0mm2 None Moisture % 6-8 Surface strength ≥ (IGT) m/s TD≥1.5 CD≥1.2 Feature of 300gsm White Cardboard 300gsm White Cardboard is strong, durable and versatile, making it suitable for both indoor and outdoor use. It is exceptionally resistant to tearing, creasing and wrinkling. It is also available in a range of sizes, allowing you to find the perfect fit for any project. Xiaolong Paper & Cardboard is a Chinese paper and cardboard manufacturer that specializes in producing and supplying high-quality paper products for a wide range of industries.

cardboard 2mm is a strong and durable material that can be used in a variety of applications. Its lightweight and smooth surface makes it an ideal choice for photoframe backs, folders, lamination and other craft projects. It is also great for packaging and used in art and craft projects, as well as for making book covers, folders or boxes. Its thickness and strength make it a great choice for creating sturdy and attractive products. It is available in a range of sizes and thicknesses and is an economical choice for a variety of projects. Parameters of 2mm Grey Cardboard Grey Cardboard Descriptions Physical properties Unit Grammage 1250 Grammage g/m2 1235-1250 Moisture Range % 10.0±1.5 Thickness μm 2000±5 Skewness mm ≤ ±3 Internal Bond mN.m ≥ 121 Dirt count pcs/m2 ≤50 Feature of 2mm Grey Cardboard Gray cardboard 2mm thick is an ideal choice for packaging and protection of products. It is lightweight, flexible, and durable material which offers excellent tear and puncture resistance. It is also moisture-resistant, making it suitable for outdoor use. Moreover, it is affordable and cost-effective, provides superior protection against shock and vibration and is also recyclable. If you want to know more kinds of 2mm thick cardboard sheets, please visit our website. Xiaolong paperboard and cardboard is a Chinese paper and cardboard manufacturer that specializes in producing and supplying high-quality paper products for a wide range of industries.

250gsm White Cardboard is a strong and sturdy cardboard material that is a great choice for stationery, certificates, invitations, covers, and other uses that require a thick and sturdy material. The high quality, thick cardboard ensures that your cards, certificates, and other items are durable and long lasting. It is also easily printable, allowing you to customize your items with photos, text, and other graphics. It is perfect for those who want to make their projects and items look professional and high quality. With its strength, durability and printability, 250gsm White Cardboard is a great choice for many projects. Parameters of 250gsm White Cardboard 250gsm White Cardboard Descriptions Physical properties Unit Tolerance 250 Grammage g/m2 250 -0.4 Thickness μm 250±10 Stiffness（CD） ≥ mN.m 4.2 Surface water absorption（Cobb60）≤ Positive g/m2 30 Back 38 Brightness(ISO) % Positive： 92.0±2.0, Back: 87.0±2.0 Roughness（pps） μm ≤1.0 Lustrousness(750) ≥ % 50 Folding resistance ≥ 20 times Dirt count pcs/m2 0.2-1.0mm2≤20 pcs,≥1.0mm2 None Moisture % 6-8 Surface strength ≥ (IGT) m/s TD≥1.5 CD≥1.2 Feature of 250gsm White Cardboard 250gsm thin white cardboard is a versatile and durable type of cardboard and paperboard. Its high-density, thick construction makes it ideal for printing, cutting, folding and gluing. It is also moisture-resistant, making it ideal for making products that will be exposed to humidity. The smooth and consistent surface of 250gsm White Cardboard makes it suitable for printing high- resolution images, logos and text.

3rd Generation i2C V8i Programmer with dot matrix flex cable For iPhone X /XS /XR /XS Max /11 /11 Pro /11 Pro MAX /12/12P/12 PRO MAX/12 MINI/iPad Pro 34 Face ID Not Working Repair. i2C Face ID repair flex cable for iPhone X-12 Pro Max Face ID repair. Features: New upgrade of the third generation dot matrix repair instrument. 1: New platform unbinding function one-click unbinding X-12Promax face encryption data 2: Upgrade the new cloud server backup,one key will be encrypted data backup cloud,or local function 3: New upgrade one button binding function into mobile phones and devices immediately unbind face line and face IC 4: You can also unbind and bind faces inupgrade Recovery mode 5:Upgrade the portable function of one-click recovery mode and one-click exit recovery mode 6: Update the face component code lookup function , namely plug namely query efficient mode 7: update firmware update function,can be connected to the platform to update the latest version at any time. Note : 1: The new third-generation cable needs the third-generation host to read and write. 2: The old cable can be read and written by the third-generation host. I2C improve Face ID V8i flex cable for iPhone X to iPhone 12 Pro Max,iPhone Dot Matrix flex cable for 3rd Generation i2C Face ID V8i programmer, read and write dot matrix flex cable by i2C V8i Face ID programmer, and then repair the iPhone Face ID higher and lower problems by replacing the flex cable. [ Optional third generationFlex Cable ] : Option 1: Flex cable for iPhone X Option 2: Flex cable for iPhone XR Option 3: Flex cable for iPhone XS Option 4: Flex cable for iPhone XS Max Option 5: Flex cable for iPhone 11 Option 6: Flex cable for iPhone 11 Pro Option 7: Flex cable for iPhone 11 Pro Max Option 8: Flex cable for iPhone 12/12 Pro Option 9: Flex cable for iPhone 12 Pro Max Option 10: Flex cable for iPhone 12 mini Option 11: Flex cable for iPad Pro 3/4 Option 12: 3rd i2c V8i Programmer

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JC Dot Matrix Cable For iPhone X/XS/XR/XSMAX/11/11P/11PM/12/12 Pro/12 Pro Max/12 mini/13/13 PRO/13 Pro Max/13 mini Face ID repair. JC Dot Projector Face ID Read Write Dot Matrix Face ID Repair Flex Cable for iPhone X-13 Pro Max, iPad Pro 34. Support models: 1x JC dot matrix flex cable for iPhone X. 1x JC dot matrix flex cable for iPhone XS. 1x JC dot matrix flex cable for iPhone XS MAX. 1x JC dot matrix flex cable for iPhone XR. 1x JC dot matrix flex cable for iPhone 11. 1x JC dot matrix flex cable for iPhone 11 Pro. 1x JC dot matrix flex cable for iPhone 11 Pro Max. 1x JC dot matrix flex cable for iPhone 12/12 Pro. 1x JC dot matrix flex cable for iPhone 12 Pro Max. 1x JC dot matrix flex cable for iPhone 12 Mini. 1x JC dot matrix flex cable for iPhone 13. 1x JC dot matrix flex cable for iPhone 13 mini. 1x JC dot matrix flex cable for iPhone 13 Pro/13 Pro Max. 1x JC dot matrix flex cable for iPad 3/4. Function: for iPhone Face ID Not Working Repair Application: Face Lattice Maintenance Used with: Pro1000S/JC V1SE Dot Matrix Read Write Module Notice: 1. Must be used with JC Iface Pro Dot Matrix Read Write Module ( Model: JCiface ) and JC Pro1000S 2. If you don't have the Pro1000S Programmer and JCiface Module, it's useless for working. 3. It requires professional mobile phone repair skills and operation. 4. Please contact us for confirmation before you make the order.

Minimum Order: 1 bags