TO-247 Package Outline

ARF465A/B

15.49 (.610)

16.26 (.640)

5.38 (.212)

6.20 (.244)

6.15 (.242) BSC

4.50 (.177) Max.

19.81 (.780)

20.32 (.800)

20.80 (.819)

21.46 (.845)

1.65 (.065)

2.13 (.084)

1.01 (.040)

1.40 (.055)

5.45 (.215) BSC

3.55 (.138)

3.81 (.150)

2.87 (.113)

3.12 (.123)

4.69 (.185)

5.31 (.209)

1.49 (.059)

2.49 (.098)

2.21 (.087)

2.59 (.102)

0.40 (.016)

0.79 (.031)

2-Plcs.

Top View

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

L2

C1

R2

R1

DUT

L3

L4

C3

C4

C7

C6

C2

C8

C9

L5

300V

+

-

RF

Output

RF

Input

40.68 MHz Test Circuit

+

-

Bias

0 - 6V

C1 - 1000pF 100V chip ATC 700B

C2-C5 - Arco 463 Mica trimmer

C6-C8 - .01

µF 500V ceramic chip

C9 - 2200 pF COG 500 V chip

L1 - 4t #20 AWG .25"ID .3"L ~110 nH

L2 - 2t #20 AWG .25"ID .3"L ~ 25 nH

L3-- 4t #16 AWG .4" ID .5"L ~290 nH

L4 -- 25t #24 AWG .35"ID ~2uH

L5-- VK200-4B ferrite choke 3uH

R1-R2 -- 51 Ohm 0.5W Carbon

DUT = ARF465A/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.