SD8328-4R7-R - Cooper Industries - Datasheet.Directory

PM-126

LOW PROFILE SHIELDED DRUM (SD8328)

Description

• 125°C maximum temperature operation

• Low profile surface mount inductor

• 8.3mm x 9.5mm x 3.0mm shielded drum core

• Ferrite core material

• Inductance range from 2.7μH to 100μH

• Current range from 6.6 Amps to 0.8 Amps

• Frequency range up to 1MHz

Applications

• Buck or Boost inductor

• Noise filtering output filter chokes

• Notebook power/display

• LCD Monitors/Displays/Televisions

• Battery chargers, LCD bias supplies

• Battery and Industrial power systems

• Computer, DVD players

• Portable power devices, DC-DC converters

Environmental Data

• Storage temperature range: -40°C to +125°C

• Operating temperature range: -40°C to +125°C

(range is application specific)

• Solder reflow temperature: +260°C max. for 10 seconds

maximum

Packaging

• Supplied in tape and reel packaging, 1280 per reel

SD8328 Series

Low Profile Power Inductors

Part Number Rated OCL (1) Irms(2) Isat (3) DCR (Ω) DCR (Ω) K-factor

Inductance μH±30% Amperes Amperes mΩ@20°C mΩ@20°C (4)

(μH) (Typical) (Maximum)

SD8328-2R5-R 2.5 2.7 6.6 4.5 12 15.6 43

SD8328-3R3-R 3.3 3.4 6.1 4.0 14 18.0 33

SD8328-4R7-R 4.7 5.0 4.5 3.6 19 24.7 23

SD8328-7R3-R 7.3 7.6 3.4 2.9 30 39 15

SD8328-100-R 10 9.1 3.3 2.6 36 45 11

SD8328-150-R 15 14.5 2.35 2.0 53 69 7.2

SD8328-220-R 22 21.1 1.85 1.7 76 99 4.9

SD8328-330-R 33 31.9 1.45 1.4 120 156 3.3

SD8328-470-R 47 44.9 1.30 1.2 150 194 2.3

SD8328-680-R 68 64.2 0.98 1.0 220 286 1.6

SD8328-101-R 100 97.0 0.80 0.8 330 430 1.1

(1) Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc.

(2) Irms: DC current for an approximate ΔT of 40°C without core loss. Derating is

necessary for AC currents. PCB layout, trace thickness and width, air-flow, and

proximity of other heat generating components will affect the temperature rise. It

is recommended that the temperature of the part not exceed 125°C under worst

case operating conditions verified in the end application.

(3) Isat Amperes peak for approximately 35% rolloff (@25°C)

(4) K-factor: Used to determine B p-p for core loss (see graph).

B p-p = K*L*ΔI, B p-p(mT), K: (K factor from table), L: (Inductance in μH),

ΔI (Peak to peak ripple current in Amps).

(5) Part Number Definition: SD8328-xxx-R

SD8328 = Product code and size; -xxx = Inductance value in uH;

R = decimal point; If no R is present, third character = # of zeros.

-R suffix = RoHS compliant

RoHS

2002/95/EC

Dimensions are in millimeters.

xxx = Inductance value in uH. R = decimal point. If no R is present third character = # of zeros. wwllyy = Date code, R = Revision level.

RECOMMENDED PCB LAYOUT SCHEMATIC

9.5

max

8.3

max 3.0

max

2.5

typ 1.2

typ

6.3

typ

XXX

wwlly R

TOP VIEW FRONT VIEW

BOTTOM VIEW

5.7

2.9

1.8

LEFT VIEW

Mechanical Diagrams