Custom Manufactured Signal Line Filters

Signal Line Filters Custom Telephone Line Filters

Captor offers build to print manufacturing and custom manufacturing of signal line filters that offer line-to-line impedance and line-to-ground impedance for telephone, fire alarm, communications, control and data. Captor filters target electromagnetic, power, signal and tempest interference, and feature circuit, HEMP/EMP and transient voltage protection. Providing telephone line and signal line filters which are mostly DC, but also provide AC to meet customers’ requirements with low voltages (less than 5V) and low currents (less than 1A).

Data rates suit custom differential and common-mode requirements and the filters are designed and manufactured to comply with the relevant sections of MIL-PRF-15733, and are available with transient or EMP protection. Captor manufacturing processes include design, engineering, layout, assembly and testing as well as verification, consulting, prototyping and research and development.

Lead times of 2 to 3 weeks are typical on stock telephone and signal line filters, with 10 to 12 weeks for custom orders. For more information on Captor’s build to print manufacturing and custom manufacturing of telephone and signal line filters, please see the chart below or contact Captor directly.

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Custom Manufactured Signal Line Filters Capabilities

General Capabilities

Custom
Build to Print

Process

Design
Engineering
Layout
Manufacturing
Assembly
Testing
Verification
Consulting
Prototyping
Research and Development

Equipment

Automated
Manual

Components

Inductors
Capacitors
Resistors
Relays
Diodes
Chokes
Varistors

Termination Interfaces

Threaded Terminals
Solder Terminals
Connectors
Wire Leads
Wire Harnesses

Connectors

Military
Commercial

Protection

Circuit
HEMP/EMP
Transient Voltage

Insertion Loss

3 to 100 dB @ 10 kHz to 1 GHz

Pass Band

< 1 dB @ 0 to 1 MHz

Voltage Rating

5 to 600 VDC
50 to 300 VAC

Current Rating

60 mA to 5 A

Frequency

60 Hz

Impedance Line-Line

100 to 600 Ω

Impedance Line-Ground

50 to 300 Ω

Standards

MIL-PRF-15733

Chassis Material

CRS, Brass, Stainless Steel, Aluminum

Configurations

Single
Dual
Multi-Circuit

Requirements

Various Impedances
Data Rates
Custom Differential
Common-Mode

Inspection

100% Test
Visual
AQL

Testing

Altitude
Temperature Cycling
Shock
Vibration
Electrical
Mechanical
Environmental

Quality Control

Test Plan
Test Report

Secondary Operations (In-House)

Assembly
Machining
Forming
Bending
Welding
Quick Turn Prototypes

Production Volume

Prototype to Large Scale Production Runs

Typical Lead Times

1 week (Stock)
10 to 12 weeks (Custom)
1 to 3 weeks (Prototype)

Additional Information

Industry Focus

Electrical
Electronic
Military
Aerospace
Commercial

Industry Standards

AS9100 Rev C
ISO 9001:2008
IPC 610
J-ISD-001

File Formats

SolidWorks
AutoCAD
PCAD (Circuit Boards)