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ARF446_03 Datasheet, PDF (4/4 Pages) Advanced Power Technology – N-CHANNEL ENHANCEMENT MODE
ARF446/447
40.68 MHz Test Circuit
Parts List
C1-C3 -- Arco 465 or equivalent
C4-C6 -- 1nF 500V COG chip
L1 -- 2t #18 AWG .25" ID
L2 -- 3t #18 AWG .25" ID
L3 -- 8t #18 AWG .25" ID
L4 -- VK200-4B ferrite choke 3mH
R1 -- 25 Ohm 1/2W Carbon
T1 -- 4:1 Broadband Transformer
L4
C4
C5
+
250V
-
L3
L2
C6
C3 RF Output
L1
RF Input
T1
C1 R1
DUT
C2
40.68 MHz Test Circuit
TO-247 Package Outline
4.69 (.185)
5.31 (.209)
1.49 (.059)
2.49 (.098)
6.15 (.242) BSC
20.80 (.819)
21.46 (.845)
Top View
15.49 (.610)
16.26 (.640)
5.38 (.212)
6.20 (.244)
3.55 (.138)
3.81 (.150)
Dimensions in Millimeters and (Inches)
NOTE: The ARF446 and ARF447 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.
4.50 (.177) Max.
0.40 (.016)
0.79 (.031)
19.81 (.780)
20.32 (.800)
1.01 (.040)
1.40 (.055)
2.21 (.087)
2.59 (.102)
5.45 (.215) BSC
2-Plcs.
2.87 (.113)
3.12 (.123)
1.65 (.065)
2.13 (.084)
Device
ARF446 ARF447
Gate
Drain
Source
Source
Drain
Gate
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.