Datasheet

ManualsBrandsBourns ManualsInductorsInductor, SMD, 1uH, 3.3A, 10kHz, 60mOhm

Features

■ Shielded construction

■ Metal alloy powder core

■ High saturation current

■ Low buzz noise

■ Inductance range 0.15 to 10 µH

■ RoHS compliant* and halogen free**

SRP3012C Series – Shielded Power Inductors

Operating Temperature

................................-40 °C to +125 °C

(Temperature rise included)

Storage Temperature (Component)

................................-40 °C to +125 °C

Rated Current

............ Inductance drops 30 % at Isat

Temperature Rise ... 40 °C at rated Irms

MSL ......................................................1

ESD Classification (HBM).................N/A

Note 1: Circuit design, component, PCB trace size and

thickness, airflow and other cooling provisions all can

affect the part temperature. Part temperature should be

verified in the end application.

Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

@ 100 kHz / 1 V

Min. @

100 kHz

SRF

(MHz)

Typ.

DCR

(mΩ)

Typ.

DCR

(mΩ)

Max.

I rms

(A)

Typ.

I sat

(A)

Typ. MarkingL (μH) Tol. %

SRP3012C-R15Y 0.15 ± 30 % 10 180 9.6 11 10 14 .15H

SRP3012C-R22M 0.22 ± 20 % 10 140 14 17 8 12 .22H

SRP3012C-R33M 0.33 ± 20 % 10 115 16 20 7 9.8 .33H

SRP3012C-R47M 0.47 ± 20 % 10 98 25 30 5 6.5 .47H

SRP3012C-R68M 0.68 ± 20 % 10 75 34 40 4.5 5.8 .68H

SRP3012C-1R0M 1.0 ± 20 % 10 50 50 60 3.3 5.2 1.0H

SRP3012C-1R5M 1.5 ± 20 % 10 42 71 85 3 4 1.5H

SRP3012C-2R2M 2.2 ± 20 % 10 38 98 115 2.7 3.2 2.2H

SRP3012C-3R3M 3.3 ± 20 % 10 34 172 198 2 2.6 3.3H

SRP3012C-4R7M 4.7 ± 20 % 10 31 245 282 1.6 2.3 4.7H

SRP3012C-5R6M 5.6 ± 20 % 10 27 310 360 1.5 2 5.6H

SRP3012C-6R8M 6.8 ± 20 % 10 26 360 400 1.4 1.8 6.8H

SRP3012C-8R2M 8.2 ± 20 % 10 25 420 463 1.2 1.5 8.2H

SRP3012C-100M 10 ± 20 % 10 24 450 520 1.1 1.4 10H

General Specifications

Core ..........................Metal alloy powder

Wire ............................Enameled copper

Terminal Finish ...................................Sn

Packaging ..... 4000 pcs. per 13-inch reel

Materials

Schematic

How to Order

SRP3012C - 100M

Model

Value Code (see table)

1.0H

3.5 ± 0.2

(.138 ± .008)

1.0 ± 0.2

(.039 ± .008)

1.2 ± 0.2

(.047 ± .008)

0.8 ± 0.4

(.031 ± .016)

3.2 ± 0.2

(.126 ± .008)

Product Dimensions

4.1

(.161)

1.9

(.075)

1.45

(.057)

DIMENSIONS:

(INCHES)

DIMENSIONS:

(INCHES)

Recommended Layout

Typical Part Marking

1.0H

RoHS COMPLIANT*

HALOGEN FREE**

* RoHS Directive 2015/863, Mar 31, 2015 and Annex.

** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine

(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.

Speciﬁcations are subject to change without notice.

Users should verify actual device performance in their speciﬁc applications.

The products described herein and this document are subject to speciﬁc legal disclaimers as set forth on the last page of

this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

WARNING

Cancer and Reproductive Harm

www.P65Warnings.ca.gov

1.0H

INDUCTANCE

VALUE

MATERIAL

CODE

Summary of content (5 pages)

PAGE 1
CO M G E & PL I AN N FR T* EE ** Features ■ Shielded construction LO HS 1.0H HA Ro ■ Metal alloy powder core ■ High saturation current ■ Low buzz noise ■ Inductance range 0.15 to 10 µH ■ RoHS compliant* and halogen free** SRP3012C Series – Shielded Power Inductors Electrical Specifications @ 25 °C Inductance @ 100 kHz / 1 V General Specifications SRF (MHz) Typ. DCR (mΩ) Typ. DCR (mΩ) Max. I rms (A) Typ. I sat (A) Typ. L (μH) Tol. % Q Min. @ 100 kHz SRP3012C-R15Y 0.15 ± 30 % 10 180 9.
PAGE 2
SRP3012C Series – Shielded Power Inductors Soldering Profile PRE-HEATING NATURAL COOLING SOLDERING TP (260 °C / 10 seconds max.) Temperature (°C) tp (245 °C / 20~40 seconds) 217 200 60 ~ 150 seconds 150 60 ~ 180 seconds 480 seconds max. 25 Time (Seconds) REFLOW TIMES: 3 MAX. L vs. I Charts 0 12 16 0 0 0 12.5 0 2 4 6 8 DC Current (A) 0.90 40 0.13 20 6 8 0.72 80 0.54 60 0.36 40 0.18 20 0 0 1.7 DC Current (A) 100 1.2 80 0.9 60 0.6 40 0.3 20 0 0 1.2 60 0.
PAGE 3
SRP3012C Series – Shielded Power Inductors L vs. I Charts (Continued) 40 1.3 20 0 0.7 1.4 2.1 2.8 0 3.5 4.8 60 3.2 40 1.6 20 0 0 0.6 DC Current (A) 7.5 60 5.0 40 2.5 20 0 0.8 1.2 DC Current (A) 1.6 0 2.0 Inductance (μH) 80 Temperature Rise (°C) Inductance (μH) 10.0 0.4 2.4 0 3.0 80 5.4 60 3.6 40 1.8 20 0 0 0.5 1.0 1.5 2.0 0 2.5 DC Current (A) SRP3012C-100M 15.0 100 0 1.8 DC Current (A) SRP3012C-8R2M 12.5 1.2 7.2 100 12.0 80 9.0 60 6.0 40 3.
PAGE 4
SRP3012C Series – Shielded Power Inductors Packaging Specifications 330 DIA. (12.99) 12.4 +2/-0 (.488 +.079/-0) 2.0 ± 0.5 (.079 ± .020) COVER TAPE 13.0 +0.5/-0.2 (.512 +.020/-.008) DIA. 100 ± 2 (3.937 ± .079) 330 (12.992) 13 +0.5 / -0.2 DIA. (.512 +.020 / -.008) EMBOSSED CARRIER 1.75 (.069) 4.0 (.157) 0.35 ± 0.05 (.014 ± .002) 2.0 (.079) 3.8 ± 0.1 (.150 ± .004) 12.0 ± 0.3 (.472 ± .012) 1.0H 8.0 ± 0.1 (.315 ± .004) 1.0H 1.0H 1.0H 1.0H 1.0H 5.5 ± 0.1 (.217 ± .004) 1.5 ± 0.1 (.059 ± .
PAGE 5
Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[Z HɉSPH[LZ JVSSLJ[P]LS` ¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[ UV[PJL