ARF466A_B

APT’s products are covered by one or more of U.S.patents 4,895,810 5,045,903 5,089,434 5,182,234 5,019,522

5,262,336 6,503,786 5,256,583 4,748,103 5,283,202 5,231,474 5,434,095 5,528,058 and foreign patents. US and Foreign patents pending. All Rights Reserved.

TO-264 (L) Package Outline

19.51 (.768)

20.50 (.807)

19.81 (.780)

21.39 (.842)

25.48 (1.003)

26.49 (1.043)

2.29 (.090)

2.69 (.106)

0.76 (.030)

1.30 (.051)

3.10 (.122)

3.48 (.137)

4.60 (.181)

5.21 (.205)

1.80 (.071)

2.01 (.079)

2.59 (.102)

3.00 (.118)

0.48 (.019)

0.84 (.033)

Dimensions in Millimeters and (Inches)

2.29 (.090)

2.69 (.106)

5.79 (.228)

6.20 (.244)

2.79 (.110)

3.18 (.125)

5.45 (.215) BSC

2-Plcs.

ARF - A

Device

ARF - B

Gate

Drain

Source

Source

Drain

Gate

Dimensions in Millimeters and (Inches)

NOTE: These two parts comprise a symmetric pair of RF

power transistors and meet the same electrical

specifications. The device pin-outs are the mirror image

of each other to allow ease of use as a push-pull pair.

L1

C1

R1

R2

R3

DUT

L2

L3

C3

C4

C7

C6

C2

C8

C9

L4

150V

+

-

RF

Output

RF

Input

40.68 MHz Test Circuit

+

-

Bias

0-12V

C5

TL1

C1 -- 2200pF ATC 700B

C2-C5 -- Arco 465 Mica trimmer

C6-C8 -- .1

µF 500V ceramic chip

C9 -- 3x 2200 pF 500V chips COG

L1 -- 4t #22 AWG .25"ID .25 "L ~87nH

L2 -- 5t #16 AWG .312" ID .35"L ~176nH

L3 -- 10t #24 AWG .25"ID ~.5

µH

L4 -- VK200-4B ferrite choke 3

µH

R1- R3 -- 1kW 0.5

Ω Carbon

TL1 -- 38

Ω t-line .175 x 1 in long

C1 .45" from gate pin.

DUT = ARF466A/B