Amphenol EMI Filter/
Transient Protection Connectors
12-120-11
Amphenol
®
54
Amphenol Filter Adapters
effective circuit protection for existing applications
Filter adapters present an effective and economical
method of introducing EMI/EMP protection to an installed
system. The adapter series of filter connectors from
Amphenol are available to intermate with all the popular
MIL-Specs and can provide the circuit protection at the MF,
HF, VHF and UHF levels.
Features of the Amphenol® adapter include:
• Planar technology from the industry’s leader in cylindri-
cal filter products
• MOV or diode capability for transient protection
• Wide range of tooled patterns
• Space qualified components
Installation of the adapter is quick and efficient, requiring no
tools, fixtures or extended downtime. Simply unmate the exist-
ing cable harness from the receptacle; attach the coupling nut
to the rece ptacle on the un it; then m ate the c ab le harness to the
receptacle side of the adapter.
Several design alternatives are available that will help ensure
that the adapter remains permanently attached to either the
cable harness or the unit receptacle.
®
55
FPT, FJT, FLJT, FTV
adapters
FPT Adapter
21-900075-XX
FJT Adapter
21-900393-XX
FLJT Adapter
21-900423-XX
FTV Adapter
21-900529-XX
FPT
Shell
Size
C
Dia.
Ref.
N
Dia.
+.001
–.005 L
Max.
12 1.035 .750 1.626
14 1.158 .875 1.626
16 1.280 1.000 1.626
18 1.403 1.125 1.626
20 1.525 1.250 1.688
22 1.648 1.375 1.688
24 1.770 1.500 1.688
FJT
Shell
Size
C
Dia.
+.011
–.010
N
Dia.
+.001
–.005 L
Max.
12 1.143 .750 1.397
14 1.255 .875 1.397
16 1.388 1.000 1.397
18 1.510 1.125 1.397
20 1.633 1.250 1.397
22 1.756 1.375 1.397
24 1.878 1.500 1.397
FLJT
Shell
Size
C
Dia.
+.011
–.010
N
Dia.
+.001
–.005 L
Max.
11 1.045 .700 2.038
13 1.246 .850 2.038
15 1.371 .975 2.038
17 1.496 1.100 2.038
19 1.616 1.207 2.038
21 1.743 1.332 2.038
23 1.866 1.457 2.038
25 1.991 1.582 2.038
All di m e nsion s for refer e nce onl y.
Consult Amphenol, Sidney, NY for ordering information.
FTV
Shell
Size
C
Dia.
Ref.
V
Thread
0.1P-0.3L-TS
Class 2A L
Max.
13 1.121 .8750 2.257
17 1.386 1.1875 2.257
25 1.864 1.6250 2.257
