BLF989_BLF989S

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© Ampleon Netherlands B.V. 2019. All rights reserved.

Product data sheet

Rev. 3 — 24 May 2019

2 of 13

BLF989; BLF989S

UHF power LDMOS transistor

2. Pinning information

[1]

Connected to flange.

3. Ordering information

4. Limiting values

[1]

Continuous use at maximum temperature will affect the reliability, for details refer to the online MTF

calculator.

Table 2.

Pinning

Pin

Description

Simplified outline

Graphic symbol

BLF989 (SOT539A)

1drain1

2drain2

3gate1

4gate2

5source

[1]

BLF989S (SOT539B)

1drain1

2drain2

3gate1

4gate2

5source

[1]

5

12

4

3

4

3

5

1

2

sym117

5

12

4

3

4

3

5

1

2

sym117

Table 3.

Ordering information

Type number Package

Name Description

Version

BLF989

-

flanged balanced ceramic package; 2 mounting holes; 4 leads SOT539A

BLF989S

-

earless flanged balanced ceramic package; 4 leads

SOT539B

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

drain-source voltage

-

108

V

gate-source voltage

6+11

V

storage temperature

65

+150

C

junction temperature

[1] -225

C