CL21B153KBANNNC product detailed specifications

Standard Package 4,000

Capacitor 0.015μF

Voltage - Rated 50V

Tolerance ±10%_Temperature Coefficient X7R

Mounting Type Surface Mount, MLCC

Operating temperature -55°C ~ 125°C

Apply General Purpose

grade-

Bag/Box 0805 (2012 Metric)

Size/Dimensions 0.079 L x 0.049 W (2.01mm x 1.25mm)

Height-Seated (Max)-

Thickness (max) 0.030 (0.75mm)

Lead Spacing-

Features-

Packaging Tape & Reel (TR)

lead to style-;;other names;

Package/Enclosure 0805

Install the Surface Mount

Capacitance value 0.015 uF

Voltage 50 Vdc

Tolerance 10 %_Media X7R

Operating temperature -55 to 125 °C

Structure Flat

Product length 2 mm

Product height 0.65 mm

Product thickness 1.25 mm

Standard Packaging Tape & Reel

Product length 2

EU RoHS Directive Compliant

Maximum operating temperature 125

Product thickness 1.25

Product height 0.65

Package Paper Tape and_Reel

Chassis Style Ceramic Chip

TechnologyStandard

Match code KC15N0805X7R050K NORM

style CHIP

Electrode BME

T(A)min-55°C

Tape type PAPER

Unit pack 4000

Standard lead time 20 weeks

MOQ 4000

C(N) 15nF

T(A) max +125°C

Lead-free DefinRoHS-conform

Packaging 0805

Case size 0805

carNO

Terminal NISN

V(N) 50V

Mounting Type Surface Mount, MLCC

Voltage - Rated 50V

Capacitor 0.015μF

Temperature Coefficient X7R

Dimensions/Dimensions 0.079 L x 0.049 W (2.01mm x 1.25mm)

Application ScopeGeneral Purpose

Package/Enclosure 0805 (2012 Metric)

Thickness (max) 0.030 (0.75mm)

Other names1276-1824-2

RoHS Directive Lead free / RoHS Compliant

Operating temperature range -55C to 125C

Arc hardeningNo

Failure rate Not Required

Tolerance (+ or -) 10%_Temperature Coefficient (Insulation) X7R

Line Form Not Required

Mounting style Surface Mount

Product length (mm) 2 mm

Product thickness (mm) 1.25 mm

Product height (mm) 0.65 mm

Product diameter (mm) Not Required mm

Case 0805

Multiplicity100

Capacitor typeceramic

Gross weight0.05 g

Operating temperature-55...125°C

Capacitor kindMLCC

Operating voltage50V

Collective package [pcs]4000

spg4000

With the increase in component density in electronic systems, designers usually choose connectors with a coplanarity of no more than 0.10 mm and equivalent precision in order to match the 0.10 mm thick solder paste stencil on the printed circuit board (PCB). . However, there are many connectors with a coplanarity value of 0.15 mm on the market, and connectors with a coplanarity value of 0.10 mm are also difficult due to the increase in the number of pins and the introduction of special pins and right-angle connectors. getting bigger. This therefore limits the designer's connector choices; either having to use multiple connectors when a single connector could be preferred, or being forced to use a stepped solder paste stencil. Both options add cost and complexity to system design and production.

However, a study by Samtec Inc. and Phoenix Contact shows that by optimizing the aperture shape of the solder paste stencil, designers can choose a widely available, lower-priced connector with a coplanarity of 0.15 mm to interface with The finer 0.10 mm solder paste stencil is used in conjunction with the IPC-J-STD-001 Class 2 standard with 100% yield.

This article will discuss the relationship between solder paste stencils and connector coplanarity, as well as topics such as the trade-offs and constraints faced by designers. The paper then presents the status of this study and the corresponding results, and the impact these results have on cost, space, performance, and reliability when optimizing designs.

Relationship Between Solder Paste Stencils and Connector Coplanarity

Precisely applying a small patch of solder paste is not too difficult with precision machined solder paste stencils. However, as the number of connector pins continues to increase, some pins on the connector need to be made into specific shapes and made into specific connection types such as right-angle connections. There is increasing matching difficulty between the solders. The main problem is due to the coplanarity of the connector pins.

Simply put, the term "coplanarity" refers to the maximum distance between the tallest and lowest leads (or pins) of a connector when it is placed on a flat surface. The value of this distance is usually measured with optical measuring equipment (Figure 1, left).

Figure 1: Coplanarity refers to the maximum difference between the heights of different leads measured on a plane; minimizing this difference is critical for the leads of surface mount (SMT) devices. This avoids problems with solder joints. (bottom right). (Image credit: Samtec Inc.)

Good coplanarity is critical for good solder joints: if a pin or lead is positioned too high, it may not make adequate contact with the solder paste, resulting in a mechanically weak or full solder joint. Leak soldering with open electrical connections. Most specifications call for coplanarity between 0.10mm and 0.15mm.

By utilizing the right process and tooling, it is possible to consistently build connectors with 0.15 mm coplanarity for most applications. However, due to the increase in the number of pins, especially the pins of some connectors have developed into a specific shape, or they need to be connected at a specific angle (eg double row, right angle) to achieve a coplanarity of 0.10 mm more difficult. Maintaining this low coplanarity increases connector cost.

Today's large circuit boards contain more than 3000 components and smaller, more highly integrated electronic devices, making the already tight board space even more dense. As a result, the spacing between component pins is also Getting smaller, designers are now considering more solder paste stencils with a thickness of 0.10 mm. If thicker solder paste stencils are used, there is a higher risk of solder bridging between leads or pads. However, it is difficult for designers to find connectors that meet the 0.10mm coplanarity specification while still having sufficient pin count and form factor.

Of course, designers do have other solutions as well. For example, they can use stepped solder paste stencils, with thinner stencils for fine-pitch components and larger stencils for connectors. This solves the problem, but the cost of the solder paste stencil becomes higher, and it may not be suitable for applications where there is insufficient space between components on either side of the solder ladder. As a general rule of thumb, the distance between the two step openings should be 36 times the step thickness.

Another option is to use multiple connectors. The lower the pin count of a connector, the easier it is to meet tighter coplanarity specifications. But multiple connectors add cost, layout complexity and reliability issues. Additionally, while the connector may meet the 0.10 mm coplanarity requirement, a 0.10 mm thick solder paste stencil implies a lower solder height, which may result in a solder joint that may not be mechanically strong enough.

How to Optimize the Opening of Solder Paste Stencils

To minimize these tradeoffs, Samtec and Phoenix Contact investigated the effects of modifying the solder paste stencil openings for three series of connectors. These studies used a stencil with a thickness of 0.15 mm and 1:1 openings to allow the deposited solder to conform to the size and shape of the copper pads. Two 0.10 mm thick templates with larger openings were subsequently added to these experiments, and connectors with coplanarity in the range of 0.10 mm and 0.15 mm were fabricated and selected in subsequent studies.

The study involved overprinting by sizing the solder paste stencil openings beyond the pad size to increase solder volume and make better connections, but not enough to cause solder bridges or leave solder balls on the board surface. To achieve this, the study relied on the tendency of the solder paste to form condensation on the heated pads after reaching its liquefaction temperature during reflow. Of course, the correct cutout size must be determined for each connector type (Figure 2).

Hong Kong Xinrui Electronics Co., Ltd., 18 years of professional component distributors (authorized and non-authorized brands), one-stop terminal manufacturer support: (quality assurance and integrity management) is the company's commitment to provide customers with brand original semiconductors, electronic components Terminal supporting market, focusing on ESD/TVS electrostatic protection diodes, LDO low-power voltage regulators, MOS tubes, battery charging and management power supplies, LEDs, optocouplers, resistors and capacitors, PCB solutions (wireless Bluetooth solutions, Bluetooth sports version solution one-stop, speakers, wireless power bank).

Main products: ESD electrostatic diodes, TVS diodes, battery charging and management power supplies, MOS tubes, LDO low-power voltage regulators.

Company: Hong Kong Xinrui Electronics Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com

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For more models, please inquire:

Hong Kong Xinrui Electronics Co., Ltd. is a professional supplier of integrated circuits and has many years of sales experience in the bank! With a large stock of stock, integrity-based, customer first, the quality of products for customers!

Due to the large number of company models, it is impossible to upload them one by one. If you can't find the product you want on the website, please contact the salesperson. Our company can provide electronic components distribution service.

Company: Hong Kong Xinrui Electronics Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com

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Hong Kong Xinrui Electronics Co., Ltd. is a professional supplier of integrated circuits and has many years of sales experience in the bank! With a large stock of stock, integrity-based, customer first, the quality of products for customers!

Due to the large number of company models, it is impossible to upload them one by one. If you can't find the product you want on the website, please contact the salesperson. Our company can provide electronic components distribution service.

Company: Hong Kong Xinrui Electronics Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com