Cylindrical Style EMI Filters
GK Series – .375/.410 Dia.
Hermetically Sealed – Circuits Available – C, L, π , T
APPLICATIONS
The GK series offers effective filtering from
30 KHz to 10 GHz. Glass sealed for
hermeticity, this series is impervious to
high moisture, solvents, or other severe
inductor elements offer increased filter
performance and protection against circuit
transients. Data showing the actual
inductance versus various levels of DC or
environmental
conditions commonly
AC bias current are available as well as the
CHARACTERISTICS
encountered in military applications. It
is designed for bulkhead mounting in
a slotted hole with nut and lockwasher
supplied.
The “L” and “T” configurations are designed
to provide effective attenuation over a wide
range of circuit impedances. For current
ratings under 10 Amps toroidal wound
attenuation in any combination of source
and load impedances.
Alternate lead configurations or special
capacitance/inductance values may be
ordered.
Custom packages or filter arrays utilizing
the GK series can be furnished.
? .410 Dia. version (HK) meets or exceeds the applicable
requirements of MIL-F-28861/2,/3,/4,/5. See QPL listing.
? Glass hermetic seal on both ends.
? Wound toroidal inductor used in current ratings up through
5 Amps. Ferrite bead inductor used in 10 and 15 Amp
designs.
SPECIFICATIONS
? High DC current rating: 15 Amps.
? High capacitance values available.
1. Case/Terminal Plating:
Electro-tin standard –
Silver or gold available
2. Material:
Case: Brass standard – Steel available
End Seal: Mild steel
Terminals: Nickel-iron alloy
3. Operating Temperature Range:
-55°C to +125°C
4. Electrical Characteristics:
A. Rated Voltage and Current: See chart
B. Insulation Resistance:
At 25°C: 1,000 megohm-microfarad
min., or 50,000 megohms
min., whichever is less, at
the rated DC voltage
C. Dielectric Withstanding Voltage
(DWV):
R-level designs:
2.0 times rated DC voltage
Class B, Class S designs:
2.5 times rated DC voltage
D. Capacitance: Total capacitance listed
in chart for each filter type is “guar-
anteed minimum value” (GMV)
5. Marking:
Standard Marking: AVX, AVX part num-
ber, rated current, voltage, lot code,
schematic
NOTE: Schematic to indicate location of
inductor (standard or reverse) for GK2
L-Section Filters.
See Reliability Codes section for definition of
Reliability Level marking. See How to Order
section for part number construction.
6. Installation:
A. Mounting Torque: 44 oz-in. ± 4 oz-in.
B. Refer to “Installation, Handling,
Hardware Options” section of the
catalog.
At 125°C: 100 megohm-microfarad
min., or 5,000 megohms
min., whichever is less
35
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