SMT EMI Shielding Gasket

Product catalog summary

Introduction
The SMT EMI Shielding Gasket (SMF Series) is designed for various electronic products, featuring a smooth nickel foil surface with good solderability, thermostability, low surface resistance, excellent conductivity, and flame rating. The manufacturing process ensures stable and reliable quality.

Features and Benefits

RoHS compliance and halogen-free
Surface resistance ≤0.03Ω/inch²
Flame retardant UL94—V0
Soldering compatible
Shielding effectiveness of 70-100 dB (10MHz-3GHz)
Operating temperature range: -40℃ to 120℃
Suitable for wave soldering with instantaneous temperature resistance of 300℃ for 2 minutes

Structure
The gasket consists of PI film/nickel, glue, and silicone.

Specifications of Raw Materials

Base Material: Nickel+PI Film, 44±5g/m²
Glue: Glue A+B, 1.1 g/m³
Silicone: 1.5 g/m³

Physical Properties

Surface resistance before SMT: <0.05Ω/inch²
Salt spray test: 0.1Ω/inch²
UL Grade: UL94-VO
Shielding effectiveness: 70-100 dB (10MHz-3GHz)
Hardness: 88±10 Shore A
Compression set: <20%
Tearing strength: 18N↑
Welding adhesion: 0.7kgf↑
Temperature resistance: 150℃, 240Hr, 0.05Ω/inch²↓
Moisture resistance: Humidity 95%, 240Hr, 0.05Ω/inch²↓
Cold-moisture resistance: -50℃, 240Hr, 0.05Ω/inch²↓
Cold-thermal shock test: -50-150℃, 240Hr, 0.05Ω/inch²↓

Dimensions
Dimensions are provided with specific tolerances based on size ranges, and custom sizes are available.

Instructions
The product operates between -40℃ and 120℃ and is suitable for high-volume production of electronic products like mobile phones and PDAs. It is packaged in tape reels for automatic or semi-automatic assembly and can withstand wave-soldering and reflow soldering.

Shelf Life
Parts should be stored in cool, shaded areas with a temperature of 20~26℃ and humidity of 50~70%. The warranty is 6 months from the date of manufacture.

Attention
Avoid direct contact with parts to prevent compression or surface oxidation.

Packaging
Parts are packaged in reel pockets to prevent damage during transportation and storage, with options for 1000PCS, 1500PCS, and 2000PCS per reel. Loose bulk pack is also available.

Remarks
The data provided are average values from multiple tests. Users should conduct preliminary tests to determine product suitability for their intended use. Contact HFC for more details.

Catalog excerpts

深圳市鸿富诚屏蔽材料有限公司 SHENZHEN HFC SHIELDING PRODUCTS CO., LTD SMT EMI Shielding Gasket(SMF Series) Introduction *Available in SMT for various electronic products *Smooth surface of nickel foil, good solderability and thermostability, low surface resistance, excellent electroconductibility and flamerating and so on. *Sophiscated manufacturing process, stable and reliable quality. Features and Benefits * RoHS compliance * Halogen free * Surface resistance ≦0.03Ω/inch2 * Flame retardant UL94—V0 * Soldering compatible * Shielding effectiveness can reach 70-100dB10MHz-3GHz * Operating temperature range: -40℃—120℃ * Be suitable for wave soldering, instantaneous temperature resisted is 300℃2 minutes ①PI film/nickel ②Glue ③Silicone C Bldg, 3rd Industrial Park, Fenghuang, Fuyong Town, Bao’an District, Shenzhen City, Guangdong Province, China 518103 Tel: 0086 755 27327247/27327249 Fax: 0086 755 27306260 E-mail: [email protected] Web: www.emigasket.com

Open the catalog to page 1

深圳市鸿富诚屏蔽材料有限公司 SHENZHEN HFC SHIELDING PRODUCTS CO., LTD Spec of Raw Materials Item Material Base Material Nickel+PI Film Glue Silicone Physical properties Item Surface resistance Shielding effectiveness Vertical resistance Salt spray test Tearing strenghth Welding adhesion Temperature resistance Moisture resistance Cold-moisture resistance Cold-thermal shock test C Bldg, 3rd Industrial Park, Fenghuang, Fuyong Town, Bao’an District, Shenzhen City, Guangdong Province, China 518103 Tel: 0086 755 27327247/27327249 Fax: 0086 755 27306260 E-mail: [email protected] Web: www.emigasket.com

Open the catalog to page 2

深圳市鸿富诚屏蔽材料有限公司 SHENZHEN HFC SHIELDING PRODUCTS CO., LTD Dimension Unit(mm) W 20 20-49.99 50-99.99 ≥100 --- Remarks: 1. Tolerance of abnomal product with size below 30mm w ±0.48mm T ± 0.48mm 2. Other size: can be custommade. Instruction The product can work under the temperature of -40℃—120℃, and be suitalbe for high volume production of electronic products, such as mobile phones,PDA,LCD,PDP and so on. Considering production efficiency and cost, the parts are packaged in tape reels which are suitable for automatic or semi-automatic assembly. Parts can be used for wave-soldering and reflow soldering...

Open the catalog to page 3

深圳市鸿富诚屏蔽材料有限公司 SHENZHEN HFC SHIELDING PRODUCTS CO., LTD Shelf life Parts should be storaged in shady and cool areas to avoid high temerature/high humidity and sunshine. With temperature of 20~26℃ and humidity of 5070%, the warranty is 6 months since the date of manufacture. Attention Never allow any unprotected hand other party of the body to come in contact with the parts to avoid compression or surface oxidation. Parts are adopted advanced automation package and be pakaged in reel pockets to avoid any damage during the transportation and storage. This kind of storage is easy to transport and...

Open the catalog to page 4

All Shenzhen HFC Co.,Ltd catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list