series provides effective filtering MICROWAVE frequency spectrums from

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Series 4-40 Thread Epoxy Sealed Circuits Available
series provides effective filtering MICROWAVE frequency spectrums from through GHz. Designed mounting tapped bulkhead with standard lockwasher provided, ideal high impedance circuits where large capacitance values practical. section version internal ferrite bead element provides both inductance series resistance (lossy characteristic) which improves insertion loss provides superior transient performance. series comes with standard .020 diameter beryllium copper lead. Alternate lead lengths, diameters .016 .026 alternate materials steel halfhard copper available.
CHARACTERISTICS
Meets exceeds applicable portions MIL-F-28861/6. listings. Smallest screwbody filter available. Features rugged monolithic discoidal capacitor construction. Epoxy seal both ends.
SPECIFICATIONS
Plating: Silver standard Electro-tin gold available Material: Case: Cold rolled steel Leads: Beryllium copper (steel half/hard copper leads available) Operating Temperature Range: -55°C +125°C Insulation Resistance: 25°C: 1,000 megohm-microfarad min., 100,000 megohms min., whichever less 125°C: megohm-microfarad min., 10,000 megohms min., whichever less Dielectric Withstanding Voltage (DWV): R-level designs: times rated voltage Class Class designs: times rated voltage Resistance (DCR): ohm, maximum Dissipation Factor (DF): maximum Rated Current: Amps, maximum Recommended Mounting Torque: oz-in. oz-in. Supplied with mounting lockwasher Filter Design Guide Screw Locking Washer Table Insertion Loss sections equivalent saturation characteristic ferrite bead element rated current. lower currents becomes much more effective.
STANDARD CONFIGURATION
.154 .159 .030 MAX. .112-40 UNC-2A (4-40) .020 ±.002 (Std. Note
.030 MAX. .220 ±.010 .240 ±.020 .360 ±.020
.120 ±.005 (See Note
CIRCUIT DIAGRAMS
THRD
millimeters (inches) 0.05 (.002) 3.05 (.120) 0.13 (.005) 3.68 (.145) 0.25 (.010) 3.91 (.154) 0.41 (.016) 4.04 (.159) 0.51 (.020) 5.59 (.220) 0.66 (.026) 6.10 (.240) 0.76 (.030) 9.14 (.360) 2.84 (.112)
(See Note Notes: Standard catalog designs have .020" dia. lead. MIL-F28861/6 calls .026" dia. .026" dia. will supplied unless specified. dimension .120 .005 will satisfy M28861/6-003 requirement .145 .030. "SA" series supplied .120 .005.
(See Note
L-Section Filters have inductor (bead) threaded end. Metric equivalent dimensions given information only.
Series 4-40 Thread Epoxy Sealed Circuits Available
SPECIFICATIONS
SA1C1-102 SA1C1-502 SA1C1-103 SA1C1-273 SA1C1-503 SA2C1-102 SA2C1-502 SA2C1-103 SA2C1-273 SA2C1-503 SA1A1-102 SA1A1-502 SA1A1-103 SA1A1-273 SA1A1-453 SA2A1-102 SA2A1-502 SA2A1-103 SA2A1-273 SA2A1-453 SA1B1-102 SA1B1-502 SA1B1-103 SA2B1-102 SA2B1-502 SA2B1-103
CAP1 1000 5000 .027 1000 5000 .027 1000 5000 .027 .045 1000 5000 .027 .045 1000 5000 1000 5000
Voltage
Insertion Loss2 MIL-STD-220, +25°C
Decimal point values indicate capacitance microfarads. Non-decimal point values indicate capacitance picofarads. Insertion loss limits based theoretical values. Actual measurements vary internal capacitor resonances other design constraints.
Screw Locking Washer Table
INTERNAL TOOTH LOCKWASHER
THREAD
WASHER
Size Thread 4-40 UNC-2B (.112-40) .187* .180 .257 .241 .250* .241 .313 .307 .250 .241 .345 .336 .250 .241 .250* .241 .311* .308 .377* .365
.067* .057 .083 .073 .083* .073 .114 .104 .080 .070 .130 .120 .083 .073 .073* .063 .096* .091 .096* .091 .225* .215 .265 .255 .285* .275 .336 .325 .311 .300 .381 .370 .383 .372 .383* .372 .408* .396 .435* .425
Lockwasher .020* .010 .018 .012 .025* .015 .025 .015 .023 .013 .027 .017 .023 .013 .023* .013 .021* .015 .027* .017
(STD) (ALT)
8-32 UNC-2B (.164-32)
(STD) (ALT)
10-32 UNF-2B (.190-32)
(STD) (ALT)
12-32 UNEF-2B (.216-32)
(STD) (ALT)
1/4-28 UNF-2B (.250-28) 5/16-24 UNF-2B (.312-24)
*Used MIL-F-28861 units.
Thread (.112-40) 4-40 UNC-2A (.164-32) 8-32 UNC-2A (.190-32) 10-32 UNC-2A (.216-32) 12-32 UNEF-2A (.250-28) 1/4-28 UNF-2A (.312-24) 5/16-24 UNF-2A
Recommended Mounting Torque oz-in. oz-in. oz-in. oz-in. oz-in. oz-in. oz-in. oz-in. oz-in. oz-in. oz-in. oz-in.
Order
Notes
NOTE CAPACITANCE CODE
Filters part numbers, with exception certain cylindrical styles, show total filter capacitance using 3-digit code. first digits significant: last digit multiplier. Example: 103=10000 picofarads 125=1200000 picofarads (1.2 microfarads) important note that filters multisection filters described using code from standpoint total capacitance. Capacitance understood specified "guaranteed minimum value" (GMV) unless otherwise specified. Filters supply ±20% other specified tolerances additional charge. Contact Filters Applications Engineering further information.
NOTE VOLTAGE CODES FILTER VOLTAGE RATINGS
IMPORTANT: please contact Filters Applications Engineering when considering DC-rated filter designs possible applications. general rule, designs derated applications. assist you. voltage code letters must selected consistent with capabilities outlined product selection tables given filter type. important note that same code letter signify different voltage rating depending upon filter type. example: code signifies VDC/125 rating bolt-style filter, describes VDC/125 design when applied JD-style filter.
NOTE RELIABILITY CODES
customer must select reliability code consistent with filter application. minimum, catalog filters available R-level designs. Options: signifies R-level filter design without optional R-level high-rel screening R-level design with optional R-level high-rel screening also specified Class design with Group screening M28861 Class filters Class design with Group screening M28861 Class (space grade) filters Please refer catalog section Reliability additional information select reliability codes.
NOTE TERMINAL LEADWIRE CODES
Non-standard terminal configurations including special materials finishes available. Please indicate description and/or outline drawing when requesting non-standard terminal (code "3").
NOTE SPECIAL INFORMATION CYLINDRICAL STYLE FILTERS
L-section filter designs must specified with regard "standard" "reverse" configuration. L-section filter normally utilized with capacitor high impedance side circuit inductor looking into impedance side. Compact filter types such button filters with ferrite bead inductors only supplied with bead assembled into threaded end. L-section filters normally supplied with schematic other marking indicate location inductor. AC-rated catalog designs incorporate reduced values capacitance limit reactive current heating (and subsequent filter temperature rise) safe levels. specify DC-rated filter with larger capacitance application without contacting Filters Applications Engineering.
NOTE SPECIAL DESIGN CODE (ASSIGNED FILTERS)
special suffix standard part number will added Filters Applications Engineering describe special designs designs that controlled customer specifications. important note that even those instances where customer drawing describes standard catalog design Filters policy assign special part number customer drawing configuration control.
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Part Number Construction
SOLDER-IN STYLE
Basic Style
Glass Seal Orientation Standard Reverse Hermetic (Glass Both Sides) Glass (Epoxy Both Sides)
Circuit Non-Feed Thru Post Feed Thru L-Section
Voltage VDC/ 1000 VDC/
Reliability Code Notes
specify
HiTemperature
(300°C) Rated Design Solder Lead Nickel Iron (Standard) Special Aluminum Compatible with seating flange (Std. Lead) Aluminum Compatible with seating flange (Special Lead) Aluminum Compatible with centering flange (Std. Lead) Aluminum Compatible with Centering flange (Special Lead) Aluminum Compatible with Special Design 3-Digit Capacitor Code Special Design (Customer DWG. Designation)
BOLT STYLE
Circuit Feedthru L-Section PI-Section
Basic Style SA-4-40 Epoxy Sealed SG-6-32 Epoxy Sealed SB-8-32 Epoxy Sealed SM-8-32 Hermetic Sealed SH-10-32 Epoxy Sealed SJ-12-28 Epoxy Sealed SC-12-32 Epoxy Sealed (.187 Hex) SP-12-32 Epoxy Sealed (.250 Hex) SN-12-32 Hermetic Sealed SL-1/4-28 Epoxy Sealed SD-5/16-24 Epoxy Sealed SF-5/16-32 Epoxy Sealed
Voltage 1000 VDC/
Reliability Code (-See Note
Special Design (-See Note
Terminal Copper Steel Special Lead Design Beryllium Copper
3-Digit Capacitor Code (-See Note
Order
Part Number Construction
CYLINDRICAL STYLE
Basic Style Button Type (.410 Dia.) Button Type (.375 Dia.) Extended Button .375" Dia. .690" Dia. .410" Dia. .250" Dia. Special
Thread Type 1/4-28 Herm Seal 1/4-28 Epoxy Seal 8-32 Herm Seal 12-32 Herm Seal 1/4-28 Post Terminal (Both Ends) 1/4-28 Post Flag Terminal 1/4-28 Adaptor
Circuit Feedthru Lead (without Capacitor) Feedthru Capacitor L-Section Filter Filter T-Section Double L-Section Five Element Input Five Element Input Special Ckt. Design
Voltage VDC/ 1000 VDC/ (Except Series VDC/ VAC)
Thread Length .187" .312"
Reliability Code (See Notes) Feedthru's BK2, Other Circuit Types
Special Design (Customer DWG. Designation)
Capacitance Picofarads Circuit Standard (Inductor Thread End) Reverse (Capacitor Thread End) PI-Circuit Multi Section Circuit Current Rating Code Current
Please contact factory Filter Plates other custom product part numbers.
NOTICE: Specifications subject change without notice. Contact your nearest Sales Office latest specifications. statements, information data given herein believed accurate reliable, presented without guarantee, warranty, responsibility kind, expressed implied. Statements suggestions concerning possible products made without representation warranty that such free patent infringement recommendations infringe patent. user should assume that safety measures indicated that other measures required. Specifications typical apply applications.

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