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PD85035-E
PD85035S-E
RF power transistor, LdmoST plastic family
N-channel enhancement-mode lateral MOSFETs

Features
Excellent thermal stability
Common source configuration
POUT = 35 W with 14.9 dB gain @ 870 MHz /
13.6 V
Plastic package PowerSO-10RF
ESD protection (formed lead)
In compliance with the 2002/95/EC1 European
directive

Description
The PD85035-E is a common source N-channel,
enhancement-mode lateral field-effect RF power
transistor. It is designed for high gain, broadband
commercial and industrial applications. It
PowerSO-10RF
operates at 13.6 V in common source mode at (straight lead)
frequencies of up to 1 GHz. PD85035-E boasts
the excellent gain, linearity and reliability of ST's
latest LDMOS technology mounted in the first true Figure 1. Pin connection
SMD plastic RF power package, PowerSO-10RF. Source
PD85035-E's superior linearity performance
makes it an ideal solution for car mobile radio.
The PowerSO-10 plastic package, designed to
offer high reliability, is the first ST JEDEC Gate Drain
approved, high power SMD package. It has been
specially optimized for RF needs and offers
excellent RF performances and ease of assembly.
Mounting recommendations are available in
www.st.com/rf/ (look for application note AN1294)

Table 1. Device summary
Order codes Package Packing

PD85035-E PowerSO-10RF (formed lead) Tube
PD85035S-E PowerSO-10RF (straight lead) Tube
PD85035TR-E PowerSO-10RF (formed lead) Tape and reel
PD85035STR-E PowerSO-10RF (straight lead) Tape and reel

August 2008 Rev 2 1/15
www.st.com 15
Contents PD85035-E, PD85035S-E

Contents

1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 ESD protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.4 Moisture sensitivity level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PD85035-E, PD85035S-E Electrical data

1 Electrical data

1.1 Maximum ratings

Table 2. Absolute maximum ratings CASE = 25