SMT PLANAR TRANSFORMER

AND PLANAR INDUCTOR

For use with Linear Technology’s

LT1681 and LTC1698

4X .060

1,52

.325

8,26

MAX

2X

2,54

.005/0,13

4 SURFACES

PA0191

Date Code

Country of Origin

.305

7,75

.530

13,46

.235

5,97

2X .100

2,54

.551

14,00

.915

23,24

1.090

27,69

MAX

.860 MAX

21,84

.360

9,14

.180

4,57

.265

6,73

SUGGESTED PAD LAYOUT

2X .150

3,81

4X

2,03

.530

13,46

.915

23,24

.405

10,29

.360

9,14

.180

4,57

PIN 7

PIN 5

PIN 1

PIN 4

2X .100

2,54

PIN 3

PIN 2

.325

8,26

MAX

.005/0,13

3 SURFACES

.855 MAX

21,72

.275

6,99

.360

9,14

.800

20,32

MAX

PA0191

Date Code

Country of Origin

1

2

2X .150

3,81

.275

6,99

.360

9,14

SUGGESTED PAD LAYOUT

PIN 1

PIN 2

2

7

5

1

9T

4

3

7T

2T

1

2

3T

Mechanicals

Schematics

NEW!

P553.A (7/02)

PA0191

P1977

Weight ..................11.0 grams ..................10.8 grams

Tape & Reel...............150/reel .......................150/reel

Tray .............................55/tray.........................48/tray

Dimensions: Inches

mm

Unless otherwise specified, all tolerances are ± .010

0,25

PLANAR TRANSFORMER – PA0191

Power Rating: 60-100W

Height: 8.3 mm Max

Footprint: 27.7 mm x 21.8 mm Max

PLANAR INDUCTOR – P1977

Energy Storage: 420 µJ (2.1 µH/20A)

Height: 8.3 mm Max

Footprint: 21.7 mm x 20.3 mm Max

Inductance

DCR

Inductance

Saturation Current

3

Heating

Part

@Irated

Irated

2

(m

Ω)

@ 0 ADC

(A)

Current

4

Number

(µH ±5%)

TYP

MAX

(µH ±5%)

@ 25°C

@ 125°C

(A)

P1977

2.1

20

1.00

1.25

2.1

27.0

22.5

31

Electrical Specifications @ 25°C — Operating Temperature - 40°C to 125°C

Part

Power

Turns Ratio

Primary

Primary

Leakage

DCR

Number

(with 7T Pri. Aux.)

Secondary

Inductance

Inductance

Primary

Primary Aux.

Secondary

Isolation

(µH MIN)

(µH MAX)

(m

Ω MAX)

(m

Ω MAX)

(m

Ω MAX)

PA0191

60-100 W

9:2

1500 Vdc Basic

100

1.5

85

800

2.5

Electrical Specifications @ 25°C — Operating Temperature - 40°C to 125°C

PA0191

P1977