Datasheet

ManualsBrandsEaton ManualsInductorsInductor, SMD, 10uH, 2.41A, 48.9mOhm

Product description

•

Lead free, RoHS compliant

•

125°C maximum total operating

temperature

•

Four sizes of shielded drum core induc-

tors

•

Inductance range from 0.33μH to

1000μH

•

Current range up to 56 amps peak

•

Magnetic shielding

•

Secure mounting

•

Ferrite core material

Applications

•

Computer, DVD players, and portable power

devices

•

LCD panels

•

DC-DC converters

•

Buck, boost, forward, and resonant converters

•

Noise filtering and filter chokes

Environmental data

•

Storage temperature range (Component):

-40°C to +125°C

•

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

(ambient + self-temperature rise)

•

Solder reflow temperature: J-STD-020D

compliant

Packaging:

•

Supplied in tape and reel packaging (per reel):

- DR73 1350

- DR74 1100

- DR125 600

- DR127 350

Coiltronics DR Series

High power density, high efﬁciency, shielded inductors

Technical Data 4315

Effective April 2014

Supersedes December 2007

Coiltronics is now

part of Eaton

Same great

products plus

even more.

The Coiltronics brand of

magnetics (formerly of

the Bussmann Division of

Cooper Industries)

is now part of

Eaton’s Electrical Group,

Electronics Division.

Summary of content (11 pages)

PAGE 1
Technical Data 4315 Effective April 2014 Supersedes December 2007 Coiltronics DR Series High power density, high efficiency, shielded inductors Applications • Computer, DVD players, and portable power devices • LCD panels • DC-DC converters • Buck, boost, forward, and resonant converters • Noise filtering and filter chokes Environmental data Product description • Lead free, RoHS compliant • 125°C maximum total operating temperature • Four sizes of shielded drum core inductors • Inductan
PAGE 2
Technical Data 4315 DR Series High power density, high efficiency, shielded inductors Effective April 2014 Product specifications Rated Inductance (μH) OCL1 ±20% (μH) Irms2 Amps Isat3 Amps Peak DCR4 (Ω) Typ. Volt-μSec5 Typ. DR73-R33-R 0.33 0.306 6.21 14.4 0.0073 1.98 DR73-1R0-R 1.00 0.992 5.28 7.97 0.0102 3.56 DR73-1R5-R 1.50 1.482 4.67 6.52 0.0130 4.36 DR73-2R2-R 2.20 2.070 4.15 5.52 0.0165 5.15 DR73-3R3-R 3.30 3.540 3.31 4.22 0.0259 6.73 DR73-4R7-R 4.70 4.
PAGE 3
DR Series High power density, high efficiency, shielded inductors Technical Data 4315 Effective April 2014 Product specifications Rated Inductance (μH) OCL1 ±20% (μH) Irms2 Amps Isat3 Amps Peak DCR4 (Ω) Typ. Volt-μSec5 Typ. DR74-R33-R 0.33 0.294 6.26 18.4 0.0074 1.71 DR74-1R0-R 1.00 0.952 5.39 10.2 0.0099 3.08 DR74-1R5-R 1.50 1.422 4.94 8.35 0.0118 3.76 DR74-2R2-R 2.20 1.986 4.76 7.06 0.0126 4.45 DR74-3R3-R 3.30 3.396 3.94 5.40 0.0183 5.81 DR74-4R7-R 4.70 5.
PAGE 4
Technical Data 4315 DR Series High power density, high efficiency, shielded inductors Effective April 2014 Product specifications Part Number Rated Inductance (μH) OCL1 ±20% (μH) Irms2 Amps Isat3 Amps Peak DCR4 (Ω) Typ. Volt-μSec5 Typ. DR125-R47-R 0.47 0.456 17.6 33.0 0.0018 3.17 DR125-1R0-R 1.00 0.894 15.0 23.6 0.0024 4.43 DR125-1R5-R 1.50 1.478 13.8 18.3 0.0029 5.70 DR125-2R2-R 2.20 2.208 10.9 15.0 0.0045 6.97 DR125-3R3-R 3.30 3.084 9.26 12.7 0.0063 8.
PAGE 5
Technical Data 4315 DR Series High power density, high efficiency, shielded inductors Effective April 2014 Product specifications Part Number Rated Inductance (μH) OCL1 ±20% (μH) Irms2 Amps Isat3 Amps Peak DCR4 (Ω) Typ. Volt-µSec5 Typ. DR127-R47-R 0.47 0.419 17.9 56.0 0.00195 3.50 DR127-1R0-R 1.00 0.821 15.5 40.0 0.00313 4.90 DR127-1R5-R 1.50 1.357 13.5 31.1 0.00341 6.30 DR127-2R2-R 2.20 2.027 12.5 25.5 0.00402 7.70 DR127-3R3-R 3.30 2.831 10.5 21.5 0.00567 9.
PAGE 6
Technical Data 4315 DR Series High power density, high efficiency, shielded inductors Effective April 2014 Dimensions - mm DR73 Series BOTTOM VIEW FRONT VIEW RECOMMENDED PAD LAYOUT TOP VIEW SCHEMATIC 6.0 7.6 Max 2.0 1 2.50 7.6 Max 3.55 Max DR73 ### wllyy R 3.25 2 8.50 1.13 DR74 Series FRONT VIEW BOTTOM VIEW TOP VIEW RECOMMENDED PAD LAYOUT 7.6 Max 7.6 Max 2.0 1 2.50 4.35 Max DR74 ### wllyy R SCHEMATIC 3.25 2 1.13 8.
PAGE 7
DR Series High power density, high efficiency, shielded inductors Technical Data 4315 Effective April 2014 Packaging information - mm DR73 Series Supplied in tape and reel packaging, 1350 parts per reel, 13" diameter reel. Ø1.50 +0.1/-0.0 12.00 2.00 ±0.1 Ø1.50 Min. A 4.00 1.75±0.10 1 7.50±0.1 DR73 ### wllyy R Bo ±0.3 ACTUAL SIZE DR73 2 Ao=7.90mm Bo=7.90mm Ko=3.
PAGE 8
Technical Data 4315 DR Series High power density, high efficiency, shielded inductors Effective April 2014 Inductance characteristics OCL vs I sat DR73 100 90 80 OCL (%) 70 60 50 40 30 20 10 0 0 20 40 60 80 100 120 140 160 % of I sat OCL vs I sat DR74 100 OCL (%) 80 60 40 20 0 0 20 40 60 80 % of I sat 8 www.eaton.
PAGE 9
DR Series High power density, high efficiency, shielded inductors Technical Data 4315 Effective April 2014 Inductance characteristics OCL vs I sat DR125 100 90 80 OCL (%) 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 100 110 120 130 140 150 % of I sat OCL vs I sat DR127 100 90 80 OCL (%) 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 % Isat www.eaton.
PAGE 10
Technical Data 4315 DR Series High power density, high efficiency, shielded inductors Effective April 2014 Core loss Irms Derating with Core Loss 0 10 30 50 70 z kH z 25 kH 50 Hz 0k 20 10 0k 0k Hz Hz 80 30 % of Losses from Irms (max) 60 90 92 94 95 96 97 98 99 10 20 30 40 60 80 100 200 % of Applied Volt-µSecond 10 www.eaton.
PAGE 11
DR Series High power density, high efficiency, shielded inductors Technical Data 4315 Effective April 2014 Solder reflow profile TP TC -5°C Temperature Preheat A Volume mm3 <350 235°C 220°C Package Thickness <2.5mm _2.5mm > TL 25°C Table 1 - Standard SnPb Solder (T c) tP Max. Ramp Up Rate = 3°C/s Max. Ramp Down Rate = 6°C/s t T smax Volume mm3 _350 > 220°C 220°C Table 2 - Lead (Pb) Free Solder (T c) Tsmin Package Thickness <1.6mm 1.6 – 2.5mm >2.