SRR1208-180M datasheet, PDF - EEWORLD Datasheet

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SRR1208-180M: DescriptionFixed Inductors 18uH 20% SMD 1208; CategoryPassive components inductor; File Size475KB，2 Pages; ManufacturerBourns; Websitehttp://www.bourns.com

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SRR1208-180M Overview

Fixed Inductors 18uH 20% SMD 1208

SRR1208-180M Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Bourns
package instruction	5050
Reach Compliance Code	compliant
ECCN code	EAR99
uppercase and lowercase codes	5050
structure	Shielded
core material	FERRITE
DC Resistance	0.04 Ω
Nominal inductance(L)	18 µH
Inductor Applications	POWER INDUCTOR
Inductor type	GENERAL PURPOSE INDUCTOR
JESD-609 code	e0
Manufacturer's serial number	SRR1208
Number of functions	1
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package height	8.5 mm
Package length	12.7 mm
Package form	SMT
Package width	12.7 mm
method of packing	TR
Minimum quality factor (at nominal inductance)	21
Maximum rated current	3.8 A
self resonant frequency	24 MHz
series	SRR 1208
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
special characteristics	Q MEASURED AT 2.52 MHZ
surface mount	YES
Terminal surface	Tin/Lead (Sn/Pb)
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND
Test frequency	0.001 MHz
Tolerance	20%

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Features

■

Available in E6 series

■

Unit height of 8.5 mm

■

Current rating up to 7.5 A

■

RoHS compliant*

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

•

Portable communication equipment

Camcorders

LCD TVs

Car radios

SRR1208 Series - Shielded High Power Inductors

Electrical Characteristics

Inductance 1 KHz

General Speciﬁcations

Ref.

Test

Frequency

(MHz)

SRF

Min.

(MHz)

RDC

Max.

(mΩ)

I rms

Max.

(A)

I sat

Typ.

(A)

Bourns Part No.

(µH)

Tol. %

SRR1208-2R5ML

SRR1208-4R5ML

SRR1208-6R5ML

SRR1208-100ML

SRR1208-120ML

SRR1208-150ML

SRR1208-180ML

SRR1208-220ML

SRR1208-270ML

SRR1208-330YL

SRR1208-390YL

SRR1208-470YL

SRR1208-560YL

SRR1208-680YL

SRR1208-820YL

SRR1208-101YL

SRR1208-121YL

SRR1208-151YL

SRR1208-181YL

SRR1208-221KL

SRR1208-271KL

SRR1208-331KL

SRR1208-391KL

SRR1208-471KL

SRR1208-561KL

SRR1208-681KL

SRR1208-821KL

SRR1208-102KL

SRR1208-122KL

SRR1208-152KL

SRR1208-182KL

SRR1208-222KL

SRR1208-272KL

SRR1208-332KL

SRR1208-392KL

SRR1208-472KL

SRR1208-562KL

SRR1208-682KL

SRR1208-822KL

SRR1208-103KL

2.5

4.5

6.5

100

120

150

180

220

270

330

390

470

560

680

820

1000

1200

1500

1800

2200

2700

3300

3900

4700

5600

6800

8200

10000

7.96

2.52

0.796

0.252

0.0796

9.0

7.0

6.5

6.0

5.0

4.0

3.0

2.5

2.0

1.8

1.6

1.4

1.2

1.0

0.80

0.75

0.70

0.65

0.60

0.50

0.45

0.42

0.40

0.38

0.35

0.30

0.011

0.014

0.018

0.021

0.025

0.036

0.040

0.043

0.048

0.062

0.076

0.085

0.110

0.135

0.150

0.170

0.190

0.240

0.270

0.380

0.400

0.650

0.670

0.850

0.900

1.00

1.15

1.65

2.00

2.35

3.40

4.20

5.20

6.40

7.80

9.60

12.0

15.2

17.0

19.2

7.50

6.50

6.00

5.00

4.80

4.00

3.80

3.50

3.00

2.80

2.50

2.20

2.00

1.80

1.60

1.50

1.40

1.30

1.20

1.10

0.95

0.85

0.80

0.70

0.65

0.60

0.55

0.50

0.40

0.36

0.46

0.40

0.35

0.32

0.30

0.28

0.25

0.22

0.20

0.18

10.00

8.40

6.70

6.50

5.60

4.00

4.30

3.80

3.40

3.10

2.80

2.60

2.30

2.10

2.00

1.72

1.70

1.45

1.25

1.12

1.10

0.95

0.90

0.82

0.77

0.67

0.57

0.55

0.48

0.42

0.38

0.35

0.32

0.30

0.28

0.25

0.22

0.20

Test Voltage .......................................1 V

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Resistance to Soldering Heat

.................................260 °C for 5 sec.

Rated Current

..............Ind. drop of 10 % typ. at Isat

Temperature Rise

.....................40 °C max. at rated Irms

Materials

Core ........................Ferrite DR & RI core

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

Base .....................................LCP E4008

Terminal ................................... Cu/Ni/Sn

Packaging.................... 400 pcs. per reel

Product Dimensions

101

12.7

0.3

(.500

.012)

5.0

0.2

(.197

.007)

12.7

0.3

(.500

.012)

8.5

MAX.

(.335)

2.3

0.2

(.091

.007)

Schematic

Recommended Layout

7.0

(.276)

*RoHS Directive 2002/95/EC Jan. 27, 2003 including

annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data

sheet can and do vary in different applications and

actual device performance may vary over time.

Users should verify actual device performance in their

speciﬁc applications.

6.0

(.236)

4.0

(.157)

DIMENSIONS:

(INCHES)

SRR1208-180M Related Products

	SRR1208-180M	SRR1208-100M	SRR1208-680Y	SRR1208-4R5M	SRR1208-331K	SRR1208-150M	SRR1208-820Y
Description	Fixed Inductors 18uH 20% SMD 1208	Fixed Inductors 10uH 20% SMD 1208	Fixed Inductors 68uH 30% SMD 1208	Fixed Inductors 4.5uH 20% SMD 1208	Fixed Inductors 330uH 10% SMD 1208	Fixed Inductors 15uH 20% SMD 1208	Fixed Inductors 82uH 30% SMD 1208
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
package instruction	5050	5050	5050	5050	5050	5050	5050
Reach Compliance Code	compliant	compliant	compliant	not_compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
uppercase and lowercase codes	5050	5050	5050	5050	5050	5050	5050
structure	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded
core material	FERRITE	FERRITE	FERRITE	FERRITE	FERRITE	FERRITE	FERRITE
DC Resistance	0.04 Ω	0.021 Ω	0.135 Ω	0.014 Ω	0.65 Ω	0.036 Ω	0.15 Ω
Nominal inductance(L)	18 µH	10 µH	68 µH	4.5 µH	330 µH	15 µH	82 µH
Inductor Applications	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR
Inductor type	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR
JESD-609 code	e0	e0	e0	e0	e0	e0	e0
Manufacturer's serial number	SRR1208	SRR1208	SRR1208	SRR1208	SRR1208	SRR1208	SRR1208
Number of functions	1	1	1	1	1	1	1
Number of terminals	2	2	2	2	2	2	2
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package height	8.5 mm	8.5 mm	8.5 mm	8.5 mm	8.5 mm	8.5 mm	8.5 mm
Package length	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm
Package form	SMT	SMT	SMT	SMT	SMT	SMT	SMT
Package width	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm
method of packing	TR	TR	TR	TR	TR	TR	TR
Minimum quality factor (at nominal inductance)	21	20	20	24	13	21	18
Maximum rated current	3.8 A	5 A	1.8 A	6.5 A	0.85 A	4 A	1.6 A
self resonant frequency	24 MHz	28 MHz	15 MHz	35 MHz	11 MHz	26 MHz	14 MHz
series	SRR 1208	SRR 1208	SRR 1208	SRR 1208	SRR 1208	SRR 1208	SRR 1208
Shape/Size Description	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE
shield	YES	YES	YES	YES	YES	YES	YES
special characteristics	Q MEASURED AT 2.52 MHZ	Q MEASURED AT 2.52 MHZ	Q MEASURED AT 2.52 MHZ	Q MEASURED AT 7.96 MHZ	Q MEASURED AT 0.796 MHZ	Q MEASURED AT 2.52 MHZ	Q MEASURED AT 2.52 MHZ
surface mount	YES	YES	YES	YES	YES	YES	YES
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal location	DUAL ENDED	DUAL ENDED	DUAL ENDED	DUAL ENDED	DUAL ENDED	DUAL ENDED	DUAL ENDED
Terminal shape	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND
Test frequency	0.001 MHz	0.001 MHz	0.001 MHz	0.001 MHz	0.001 MHz	0.001 MHz	0.001 MHz
Tolerance	20%	20%	15%	20%	10%	20%	15%
Maker	Bourns	-	Bourns	Bourns	Bourns	Bourns	Bourns

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