BLF978P

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© Ampleon Netherlands B.V. 2020. All rights reserved.

Product data sheet

Rev. 1 — 3 April 2020

11 of 15

BLF978P

HF / VHF power LDMOS transistor

9.

Package outline

Fig 18. Package outline SOT539A

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION

ISSUE DATE

IEC

JEDEC

EIAJ

SOT539A

12-05-02

10-02-02

0

5

10 mm

scale

p

A

F

b

e

D

U2

L

H

Q

c

5

12

4

3

D1

E

A

w1

AB

M

M

M

q

U1

H1

C

B

M

M

w2

C

E1

M

w3

UNIT

A

mm

D

b

11.81

11.56

0.18

0.10

31.55

30.94

13.72

9.53

9.27

17.12

16.10

10.29

10.03

4.7

4.2

c

e

U2

0.25

0.25

0.51

w3

35.56

qw2

w1

F

1.75

1.50

U1

41.28

41.02

H1

25.53

25.27

p

3.30

3.05

Q

2.26

2.01

EE1

9.50

9.30

inches

0.465

0.455

0.007

0.004

1.242

1.218

D1

31.52

30.96

1.241

1.219

0.540

0.375

0.365

0.674

0.634

0.405

0.395

0.185

0.165

0.010

0.010 0.020

1.400

0.069

0.059

1.625

1.615

1.005

0.995

0.130

0.120

0.089

0.079

0.374

0.366

H

3.48

2.97

0.137

0.117

L

DIMENSIONS (millimetre dimensions are derived from the original inch dimensions)

Flanged balanced ceramic package; 2 mounting holes; 4 leads

SOT539A

Note

1. millimeter dimensions are derived from the original inch dimensions.

2. recommended screw pitch dimension of 1.52 inch (38.6 mm) based on M3 screw.