Features

■

Shielded construction

■

Carbonyl powder core

■

High saturation current

■

Inductance range: 1 to 100 µH

■

AEC-Q200 qualified

■

RoHS compliant* and halogen free**

Applications

■

Automotive systems:

- Driver assistant

- Information

- Entertainment

- Lighting

■

DC/DC converters

■

Power supplies

SRP1770TA Series - Shielded Power Inductors

* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

**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.

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.

Operating Temperature

................................-40 °C to +150 °C

(Temperature rise included)

Storage Temperature

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

Rated Current

......... Inductance drops 20 % at Isat1,

30 % at Isat2

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

Electrical Specifications @ 25 °C

General Specifications

Core.............................Carbonyl powder

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

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

Packaging....... 300 pcs. per 13-inch reel

Materials

Product Dimensions

Schematic

How to Order

SRP1770TA - 220 M

Model

Value Code (see table)

Tolerance Code

Soldering Profile

DIMENSIONS:

MM

(INCHES)

Recommended Layout

Bourns

Part Number

Inductance

@ 100 KHz

/ 1 V

Q (Min.)

@100 KHz

/ 1 V

SRF

(MHz)

Typ.

DCR

(mΩ)

Typ.

DCR

(mΩ)

Max.

Irms

(A)

Isat1

(A)

Isat2

(A)

Terminal

Type

L (μH)

Tol.

(%)

SRP1770TA-1R0M

1

± 20

20

35

1.6

2

52

60

70

Lead

Frame

SRP1770TA-1R5M

1.5

± 20

20

30

2

2.5

47

52

65

SRP1770TA-2R2M

2.2

± 20

20

22

2.4

2.7

43.5

47

62

SRP1770TA-3R3M

3.3

± 20

20

17

3.5

3.9

28

45

54

SRP1770TA-4R7M

4.7

± 20

20

15

4.8

5.5

25

41

50

SRP1770TA-5R6M

5.6

± 20

20

12

5.8

7.05

21

40

45

SRP1770TA-6R8M

6.8

± 20

20

11

8.4

9.2

19

32

39

SRP1770TA-8R2M

8.2

± 20

20

10

9.6

10.8

18

25

31

SRP1770TA-100M

10

± 20

20

8

11.8

13

16.5

24

29

SRP1770TA-150M

15

± 20

20

7

17.8

20.5

12.5

23

27

SRP1770TA-220M

22

± 20

20

5

25.1

26.5

12

18

23

SRP1770TA-330M

33

± 20

20

4

38

44

10.7

15

20

SRP1770TA-390M

39

± 20

20

4

40

48

9.2

11

18

SRP1770TA-470M

47

± 20

20

3

48

55

8.7

9.5

16

SRP1770TA-560M

56

± 20

20

3

54

62

7.8

9

15

SRP1770TA-680M

68

± 20

20

2

68

80

7

8

13

SRP1770TA-101M

100

± 20

20

2

102

118

5.3

6.5

12

16.9 ± 0.3

(.666 ± .012)

17.6 ± 0.4

(.693 ± .016)

6.7 ± 0.3

(.264 ± .012)

16.9 ± 0.3

(.666 ± .012)

11.9 ± 0.3

(.469 ± .012)

2.1 ± 0.3

(.083 ± .012)

2.3 ± 0.3

(.091 ± .012)

101

1510

0 ~+ 0.25

(0 ~+ .010)

18.5

(.728)

12.2

(.480)

12.5

(.492)

25

Time (Seconds)

Reflow Times: 3 Times Max.

Preheating

Soldering

Natural Cooling

217 °C

tp (245 °C, 20~40 Sec.)

200 °C

150°C

60~180

Sec.

480 Sec. Max.

60~150 Sec.

TP (260 °C / 10 Sec. Max.)

Lead Frame Terminal