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SRF1280-471M: 产品描述Coupled Inductors 470uH 20% SMD 1280; 产品类别无源元件电感器; 文件大小365KB，共2页; 制造商Bourns; 官网地址http://www.bourns.com; 标准

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SRF1280-471M概述

Coupled Inductors 470uH 20% SMD 1280

SRF1280-471M规格参数

参数名称	属性值
是否Rohs认证	符合
厂商名称	Bourns
包装说明	4949
Reach Compliance Code	compliant
ECCN代码	EAR99
Factory Lead Time	18 weeks
大小写代码	4949
构造	Rectangular
型芯材料	FERRITE
直流电阻	0.865 Ω
标称电感 (L)	470 µH
电感器应用	POWER INDUCTOR
电感器类型	GENERAL PURPOSE INDUCTOR
JESD-609代码	e1
功能数量	2
端子数量	4
最高工作温度	105 °C
最低工作温度	-40 °C
封装高度	8 mm
封装长度	12.5 mm
封装形式	SMT
封装宽度	12.5 mm
包装方法	TR, Embossed , 13 Inch
最大额定电流	0.85 A
形状/尺寸说明	RECTANGULAR PACKAGE
屏蔽	YES
特殊特征	PARALLEL CONNECTED
表面贴装	YES
端子面层	Tin/Silver/Copper (Sn/Ag/Cu)
端子位置	DUAL IN-LINE
端子形状	WRAPAROUND
测试频率	0.1 MHz
容差	20%

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Features

7.6

MAX.

(.299)

Applications

SEPIC topology

Power supplies for:

Multiple applications: parallel, series,

101

dual-inductor and transformer

Magnetically shielded, low radiation

Inductance range: 0.47 to 4000 μH

7.6

(.299)

Rated current up to 17.9 A

MAX.

RoHS compliant*

- Communication equipment

- Notebooks, desktop computers,

servers

- LCDs, flat panels, backlights

- Camcorders, HDTVs

SRF1280 Series - Dual-Winding Shielded Power Inductors

3.4 ± 0.2

(.134 ± .008)

Electrical Specifications @ 25 °C

Parallel Rating

Bourns

Part No.

Inductance

@ 100 KHz

General Specifications

2.9

TYP.

(.114)

L (μH)

Tol.

(%)

DCR

(W)

Max.

Series Rating

Inductance

@ 100 KHz

Irms

(A)

Isat

(A)

L (μH)

Tol.

(%)

DCR

(W)

Max.

Irms

(A)

Isat

(A)

SRF1280-R47Y

0.47

±30 0.0055 17.9

1.88

±30

2.7

(.106)

SRF1280-1R0Y

1.0

±30 0.0067 15.5

±30

TYP.

SRF1280-1R5Y

1.5

±30 0.0076 13.5 31.1

±30

SRF1280-2R2Y

2.2

±30 0.0092 12.5 25.5

8.8

±30

SRF1280-3R3Y

3.3

±30 0.011 10.4 21.5

13.2

±30

1.0

SRF1280-4R7Y

4.7

±30 0.0135 8.25 16.5

18.8

±30

TYP.

(.039)

SRF1280-6R8Y

6.8

±30 0.0183 7.34 13.3

27.2

±30

SRF1280-8R2Y

8.2

±30 0.0191 6.32 12.2

32.8

±30

SRF1280-100M

±20 0.0241 6.04 11.2

±20

SRF1280-150M

±20 0.0333 5.03 9.66

±20

12.50

0.4

3.0

MAX.

7.57

SRF1280-220M

±20 0.0503

±20

(.492)

(.016)

(.118)

SRF1280-330M

±20 0.0664 3.23 6.22

132

±20

DOT

SRF1280-470M

±20 0.0898 2.95 5.28

188

±20

INDICATES

SRF1280-680M

TERMINAL 1

0.123 2.44 4.44

±20

272

±20

12.50

328

SRF1280-820M

±20 0.153

7.9

2.09 4.06

±20

(.492)

(.311)

SRF1280-101M

100

±20 0.175 1.96 3.64

MAX.

400

±20

SRF1280-151M

150

±20 0.261 1.59 3.01

600

±20

SRF1280-221M

220

±20 0.343 1.29 2.43

880

±20

1.4

SRF1280-331M

(.055)

330

±20

0.54

1.04

(.055)

2.01

1320

±20

SRF1280-471M

470

INDUCTOR MODE

1880

±20

DUAL

±20 0.865 0.85 1.68

SERIES MODE

SRF1280-681M

680

±20 1.296 0.76 1.39

2720

±20

8.00

SRF1280-821M

820

±20 1.632 0.65 1.27

(.315) MAX.

±20

3280

SRF1280-102M

1000

±20 1.992 0.61 1.14

4000

±20

0.0216

0.026

0.0306

0.0338

0.04

0.05

0.0656

0.0714

0.0921

0.129

3.0

0.192

(.118)

0.265

0.353

0.469

7.9

0.578

(.311)

0.701

1.013

1.38

2.172

3.3

4.888

5.896

7.202

8.94

7.74

6.77

6.23

5.23

4.13

3.67

3.16

3.02

2.51

1.61

1.47

1.22

1.04

0.98

0.796

0.645

0.522

0.427

0.38

0.325

0.307

15.6

12.7

10.8

8.24

6.67

6.09

5.6

4.83

3.78

3.11

2.64

2.22

2.03

1.82

1.51

1.22

1.01

0.838

0.697

0.633

0.571

Test Voltage ..................................0.25 V

Hi-pot ................500 Vrms, 3 mA, 3 sec.

Reflow Soldering .. 230 °C; 50 sec. max.

Operating Temperature

................................. -40 °C to +105 °C

(Temperature rise included)

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

Resistance to Solder Heat

...............................+260 °C for 10 sec.

Moisture Sensitivity Level ...................... 1

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

Materials

Core ..............................................Ferrite

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

Base ................................................ LCP

Adhesive .............................. Epoxy resin

Terminal ..............................................Sn

Rated Current

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

Temperature Rise .... 40 °C at rated Irms

Packaging.......400 pcs. per 13-inch reel

How to Order

Model

Value Code (see table)

Ro VE LEA

HS RS D

C ION FRE

OM S E

PL AR

IA E

SRF1280 - 100M

Electrical Schematic

5.00 ± 0.3

(.197 ± .012)

5.00 ± 0.3

(.197 ± .012)

Product Dimensions

12.50

MAX.

(.492)

DOT

INDICATES

TERMINAL 1

12.50

(.492)

MAX.

1.80 ± 0.2

(.071 ± .008)

PARALLEL

SERIES

4.50

(.177)

8.00

MAX.

(.315)

Recommended Layout

2.15

(.085)

4.50

(.177)

2.15

(.085)

13.00

(.512)

13.00

(.512)

5.00 ± 0.3

(.197 ± .012)

5.00 ± 0.3

(.197 ± .012)

1.28

(.050)

1.28

(.050)

DUAL INDUCTOR MODE

SERIES MODE

*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.

2.15

(.085)

1.80 ± 0.2

(.071 ± .008)

DIMENSIONS:

(INCHES)

4.50

(.177)

2.15

(.085)

4.50

(.177)

SRF1280-471M相似产品对比

	SRF1280-471M	SRF1280-820M	SRF1280-681M	CHP2010K2180DWPA	SRF1280-330M	SRF1280-151M	SRF1280-8R2Y	FP20214152341BJACW
描述	Coupled Inductors 470uH 20% SMD 1280	Coupled Inductors 82uH 20% SMD 1280	Coupled Inductors 680uH 20% SMD 1280	Fixed Resistor, Metal Glaze/thick Film, 1W, 218ohm, 200V, 0.5% +/-Tol, 100ppm/Cel, Surface Mount, 2010, CHIP	Coupled Inductors 33uH 20% SMD 1280	Coupled Inductors 150uH 20% SMD 1280	Coupled Inductors 8.2uH 30% SMD 1280	Array/Network Resistor, Center Tap, Thin Film, 2340ohm, 0.1% +/-Tol, -10,10ppm/Cel, 3825,
是否Rohs认证	符合	-	符合	符合	符合	符合	符合	符合
包装说明	4949	-	4949	SMT, 2010	4949	4949	4949	-
Reach Compliance Code	compliant	-	compliant	unknown	compliant	compliant	compliant	compliant
ECCN代码	EAR99	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
大小写代码	4949	-	4949	-	4949	4949	4949	-
构造	Rectangular	-	Magnetically Shielded	Rectangular	Magnetically Shielded	Magnetically Shielded	Magnetically Shielded	Flatpack
型芯材料	FERRITE	-	FERRITE	-	FERRITE	FERRITE	FERRITE	-
直流电阻	0.865 Ω	-	1.296 Ω	-	0.0664 Ω	0.261 Ω	0.0191 Ω	-
标称电感 (L)	470 µH	-	680 µH	-	33 µH	150 µH	8.2 µH	-
电感器应用	POWER INDUCTOR	-	POWER INDUCTOR	-	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	-
电感器类型	GENERAL PURPOSE INDUCTOR	-	GENERAL PURPOSE INDUCTOR	-	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	-
JESD-609代码	e1	-	e1	e4	e1	e1	e1	e3
功能数量	2	-	2	-	2	2	2	-
端子数量	4	-	4	2	4	4	4	14
最高工作温度	105 °C	-	125 °C	155 °C	125 °C	125 °C	125 °C	125 °C
最低工作温度	-40 °C	-	-40 °C	-55 °C	-40 °C	-40 °C	-40 °C	-55 °C
封装高度	8 mm	-	8 mm	0.5 mm	8 mm	8 mm	8 mm	2.435 mm
封装长度	12.5 mm	-	12.5 mm	5.03 mm	12.5 mm	12.5 mm	12.5 mm	9.6 mm
封装形式	SMT	-	SMT	SMT	SMT	SMT	SMT	SMT
封装宽度	12.5 mm	-	12.5 mm	2.64 mm	12.5 mm	12.5 mm	12.5 mm	6.475 mm
包装方法	TR, Embossed , 13 Inch	-	TR, Embossed , 13 Inch	TR, PAPER	TR, Embossed , 13 Inch	TR, Embossed , 13 Inch	TR, Embossed , 13 Inch	Waffle Pack
最大额定电流	0.85 A	-	0.76 A	-	3.23 A	1.59 A	6.32 A	-
形状/尺寸说明	RECTANGULAR PACKAGE	-	RECTANGULAR PACKAGE	-	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	-
屏蔽	YES	-	YES	-	YES	YES	YES	-
特殊特征	PARALLEL CONNECTED	-	PARALLEL CONNECTION, TRANSFORMER	-	PARALLEL CONNECTION, TRANSFORMER	PARALLEL CONNECTION, TRANSFORMER	PARALLEL CONNECTION, TRANSFORMER	-
表面贴装	YES	-	YES	YES	YES	YES	YES	-
端子面层	Tin/Silver/Copper (Sn/Ag/Cu)	-	Tin/Silver/Copper (Sn/Ag/Cu)	Gold (Au) - with Nickel (Ni) barrier	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Matte Tin (Sn)
端子位置	DUAL IN-LINE	-	DUAL IN-LINE	-	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	-
端子形状	WRAPAROUND	-	WRAPAROUND	ONE SURFACE	WRAPAROUND	WRAPAROUND	WRAPAROUND	-
测试频率	0.1 MHz	-	0.1 MHz	-	0.1 MHz	0.1 MHz	0.1 MHz	-
容差	20%	-	20%	0.5%	20%	20%	30%	0.1%

SRF1280-471M

SRF1280-471M在线购买

SRF1280-471M概述

SRF1280-471M规格参数

文档预览

SRF1280-471M相似产品对比

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