CDH3216 , CDH32 , CDH3225 ,

CDH45B

SMD Power Inductors Unshielded

C/Severo Ochoa 33 – Parque Tecnológico de Andalucía. 29590 Campanillas .Málaga (Spain)

Phone +34 951 231 320 Fax +34 951 231 321

E-mail: mar.villarrubia@grupopremo.com Web http://www.grupopremo.com

SMD Power Inductors

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10

8. Labelling

9. Reliability Test

Test item

Specification

Test condition

Solderability

More than 90% of the

terminal electrode

shall be covered

with fresh solder

Preheat : 150±25% for 60 seconds

Solder : Sn96.5 / Ag3 / Cu0.5 or equivalent

Solder temp. : 235±5ºC

Flux : Rosin

Dip time : 4±1 seconds

Thermal shock test

(Temp. cycle)

Room temp.

-25±2ºC

15 minutes

30 minutes

Room temp.

85±2ºC

15 minutes

30 minutes

Total : 50 cycles

Humidity

Resistance test

Temperature : 40±2ºC

Humidity : 90 ~ 95%

Applied current : Per specifications

Time : 500 hours

High temp.

Resistance test

Inductance shall

not change more

than ±10%

Temperature : 105±2ºC

Applied current : Per specifications

Time : 500 hours

10. Edition Control

Edition

Date

Change description

Made by

31/08/06

Update Specification

Pablo Pozo