TO-247 Package Outline

ARF463A/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

C1

R2

R1

DUT

L2

L3

C5

C4

C6

C5

L4

125V

+

-

RF

Output

RF

Input

C1 -- 820pF Unelco mounted at

gate lead

C2-C5 -- Arco 463 Mica trimmer

C5-C8 -- 10nF 500V COG chip

L1 -- 3t #18 .3" ID .25"L ~50nH

L2 -- 3t #16 AWG .25" ID .3"L ~58nH

L3 -- 10t #18 AWG .25 ID ~470nH

L4 -- VK200-4B ferrite choke ~3uH

R1-R2 -- 50 Ohm 1/2W Carbon

DUT = ARF463A/B

81.36 MHz Test Circuit

C2

C3

Bias

0 - 12V

C7

C8

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.

HAZARDOUS MATERIAL WARNING

The ceramic portion of the

device between

leads and mounting surface is beryllium oxide,

BeO.

Beryllium oxide dust is toxic when in-

haled.

Care must be taken during handling

and mounting to avoid damage to this area .

These devices must never be thrown away

with general industrial or domestic waste.