SMT Power Inductor

SILM4018H Type

Features

RoHS compliant.

Low profile (1.8mm max. height) SMD type.

Magnetically shielded, suitable for high density mounting.

Self-leads, suitable for high density mounting.

High energy storage and low DCR.

Provided with embossed carrier tape packing.

Idel for power source circuits, DC-DC converter, DC-AC inverters inductor applications.

In addition to the standard versions shown here, customized inductors are available to meet your exact requirements.

Mechanical Dimension:

B

A

C

F

RECOMMENDED PAD PATTERNS

5.4 2.2

E

D

1 . 7

UNIT:mm/inch

A= 4.0 / 0.157 Max.

B= 4.0 / 0.157 Max.

C= 1.8 / 0.071 Max.

D= 4.8 / 0.189 Max.

E= 2.9 / 0.114

F= 1.0 / 0.039

Electrical Characteristics: 25oC: 100KHz, 0.1V

PART NO.

L 1

(uH)

SILM4018H - 1R7

1.7

SILM4018H - 2R2

2.2

SILM4018H - 3R3

3.3

SILM4018H - 4R7

4.7

SILM4018H - 6R8

6.8

SILM4018H - 100

10.0

SILM4018H - 150

15.0

 

 

SILM4018H - 220

22.0

 

 

SILM4018H - 330

33.0

 

 

DCR (m) MAX

51

59

85

116

180

230

410

610

870

Isat 2 (Adc)

2.00

1.75

1.40

1.20

1.00

0.84

0.65

0.55

0.46

Ir 3 (Adc)

2.40

2.30

1.80

1.50

1.10

1.00

0.75

0.52

0.41

1.Tolerance of inductance: 30% for 1.7~6.8uH; 20% for 10~33uH.

2.Isat is the DC current which cause the inductance drop 35% typical of its nominal inductance without current.

3.Ir is the DC current which cause the surface temperature of the part increase less than 45oC.

4.Operating temperature : -20oC to 105oC (including self-temperature rise).

DELTA ELECTRONICS, INC.

(TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.

TEL: 886-3-3591968; FAX: 886-3-3591991

http://www.deltaww.com

54

Page 1
Image 1
Delta Electronics manual SMT Power Inductor, SILM4018H Type, Features, Mechanical Dimension

SILM4018H specifications

Delta Electronics SILM4018H is a highly efficient and versatile power supply solution designed for various industrial applications. As part of Delta's extensive portfolio of power management products, the SILM4018H stands out for its innovative features, robust performance, and compact design, making it ideal for use in demanding environments.

One of the main features of the SILM4018H is its high efficiency, commonly reaching up to 95%. This efficiency not only reduces energy consumption but also minimizes heat generation, contributing to longer operational life and lower overall operating costs. This makes the SILM4018H an ideal choice for users looking to optimize energy use while maintaining high performance levels.

The SILM4018H employs advanced switching technology, which ensures reliable power conversion and enhances the overall performance of the device. This technology allows the power supply to provide stable voltage and current even in fluctuating input conditions. The product is engineered to deliver a wide output voltage range, making it compatible with a variety of applications, from industrial automation to telecommunications.

In terms of form factor, the SILM4018H features a compact and slim design, enabling easy integration into space-constrained environments. The size and efficiency of the product make it an excellent option for systems requiring high power density without compromising performance.

Additionally, the SILM4018H incorporates multiple protection features, including over-voltage protection, over-current protection, and short-circuit protection. These safety measures ensure reliable operation and protect connected loads, enhancing the overall resilience of the system.

Delta Electronics has also integrated a user-friendly interface for monitoring, enabling easy diagnostics and improvements in system performance. This level of accessibility is crucial for maintenance and troubleshooting, helping to minimize downtime in industrial applications.

Furthermore, the SILM4018H complies with international safety standards and environmental regulations, assuring users of its reliability and sustainability. Its design meets IEC, UL, and CE certifications, making it suitable for deployment in global markets.

In summary, the Delta Electronics SILM4018H is a state-of-the-art power supply that combines high efficiency, advanced technology, and compact design. It serves as a reliable power solution for a wide range of applications, making it a valuable asset in any industrial setting. With its robust features and commitment to safety, users can trust the SILM4018H to deliver performance and reliability consistently.