For details of each product (characteristics graph, reliability information, precautions for use, and so on), see our Web site (http://www.ty-top.com/)

i_smd_NR_NS_prec_e-E02R01

SMD inductor （NR□, NS series）

1. Circuit Design

Precautions

◆Operating environment

1. The products described in this specification are intended for use in general electronic equipment,(office supply equipment,

telecommunications systems, measuring equipment, and household equipment). They are not intended for use in mission-critical

equipment or systems requiring special quality and high reliability (traffic systems, safety equipment, aerospace systems, nuclear

control systems and medical equipment including life-support systems,) where product failure might result in loss of life, injury or

damage. For such uses, contact TAIYO YUDEN Sales Department in advance.

2. PCB Design

Precautions

◆Land pattern design

1. Please refer to a recommended land pattern.

Technical

considerations

◆Land pattern design

Surface Mounting

・ Mounting and soldering conditions should be checked beforehand.

・ Applicable soldering process to this products is reflow soldering only.

3. Considerations for automatic placement

Precautions

◆Adjustment of mounting machine

1. Excessive impact load should not be imposed on the products when mounting onto the PC boards.

2. Mounting and soldering conditions should be checked beforehand.

Technical

considerations

◆Adjustment of mounting machine

1. When installing products, care should be taken not to apply distortion stress as it may deform the products.

4. Soldering

Precautions

◆Reflow soldering

1. Please contact any of our offices for a reflow soldering, and refer to the recommended condition specified.

2. The product shall be used reflow soldering only.

3. Please do not add any stress to a product until it returns in normal temperature after reflow soldering.

◆Lead free soldering

1. When using products with lead free soldering, we request to use them after confirming adhesion, temperature of resistance to soldering

heat, soldering etc sufficiently.

◆Recommended conditions for using a soldering iron (NR10050 Type)

・ Put the soldering iron on the land-pattern.

・ Soldering iron's temperature - Below 350℃

・ Duration - 3 seconds or less

・ The soldering iron should not directly touch the inductor.

Technical

considerations

◆Reflow soldering

1. If products are used beyond the range of the recommended conditions, heat stresses may deform the products, and consequently

degrade the reliability of the products.

・NR30/40/50/60/80, NRV20/30, NRH24/30, NRS20/40/50/60/80 Type, NR10050 Type, NS101/125 Type

Recommended reflow condition (Pb free solder)

5. Cleaning

Precautions

◆Cleaning conditions

1. Washing by supersonic waves shall be avoided.

Technical

considerations

◆Cleaning conditions

1. If washed by supersonic waves, the products might be broken.