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EMI Filtered Circular Connectors


EMI Filtered Connectors

API Technologies offers a premium line of custom and specialty filtered circular connectors completely intermateable with MIL-DTL-38999 Series III. These custom, high-reliability, circular connectors have a proven reputation for superior quality and performance.

Filtered Circular Connectors are manufactured at both our US and UK facilities.

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Overview

  • Available in two plate lengths .990" and 1.240"
  • Reduces installation time and overall cost
  • ​Eliminates mounting hardware and prepwork​
  • Availble in below connector styles

Specifications

Applications

  • Commercial and Military Avionics
  • Satellites
  • Telecommunications
  • Power Supplies
  • Electronic Warfare
  • Ground & Air Weapons Systems
  • Mining and Oil Exploration

EMI Filtered Connector Specifications


Circuits

C filter C Filter Circular Connector Circuit C Filter Insertion Loss
Pi Filter Pi Filter Circular Connector Circuit Pi Filter Insertion Loss

Electrical Characteristics

Operating Temperature -55°C - 125°C
Capacitance See table
Capacitance Tolerance ±25%, +100%
Voltage Rating 200VDC
Dielectric Withstanding Voltage 500VDC
Dissipation Factor <3.5%
Insulation Resistance 1000MΩ, µF or 10KMΩ

Note: The electrical properties listed are typical and can be exceeded based on customer requirements and mechanical figuration. Since many variables affect the design, contact an engineer directly for a detailed assessment of your connector needs.

Capacitance

Cap Code

Cap Value

Circuit Availability

251 250pF 1
501 500pF 1, 2
102 1,000pF 2
122 1,250pF 1
252 2,500pF 1, 2
502 5,000pF 1, 2
103 10,000pF 1, 2
203 20,000pF 2
253 25,000pF 1
503 50,000pF 2

Note: Custom capacitance values and tolerances avaialble.

Wall Mount

Shell Size

Thread Size

A

B

C

D

E

F

G

H

A(9) 0.937 0.719 0.594 0.128 0.216 0.82 .6250-0.1P-0.3L-TS M12x1.0-6g 0.100R
B(11) 1.031 0.812 0.719 0.128 0.194 0.82 .7500-0.1P-0.3L-TS M15x1.0-6g 0.100R
C(13) 1.126 0.906 0.812 0.128 0.173 0.82 .8750-0.1P-0.3L-TS M18x1.0-6g 0.100R
D(15) 1.22 0.969 0.906 0.128 0.194 0.82 1.0000-0.1P-0.3L-TS M22x1.0-6g 0.100R
E(17) 1.311 1.062 0.969 0.128 0.194 0.82 1.1875-0.1P-0.3L-TS M25x1.0-6g 0.100R
F(19) 1.437 1.156 1.062 0.128 0.194 0.82 1.2500-0.1P-0.3L-TS M28x1.0-6g 0.100R
G(21) 1.563 1.25 1.156 0.128 0.194 0.79 1.3750-0.1P-0.3L-TS M31x1.0-6g 0.100R
H(23) 1.689 1.375 1.25 0.154 0.242 0.79 1.5000-0.1P-0.3L-TS M34x1.0-6g 0.100R
J(25) 1.811 1.5 1.375 0.154 0.242 0.279 1.6250-0.1P-0.3L-TS M37x1.0-6g 0.100R
View Jam Nut Drawing

Jam Nut

Shell Size

Thread Size

A

B

C Hex

D

E

F

G

A(9) 1.189 1.063 0.9375 0.649 0.102 .6250-0.1P-0.3L-TS M12x1.0-6g 0.100R
B(11) 1.374 1.252 1.0625 0.749 0.102 .7500-0.1P-0.3L-TS M15x1.0-6g 0.100R
C(13) 1.5 1.374 1.25 0.936 0.102 .8750-0.1P-0.3L-TS M18x1.0-6g 0.100R
D(15) 1.626 1.5 1.375 1.06 0.102 1.0000-0.1P-0.3L-TS M22x1.0-6g 0.100R
E(17) 1.752 1.626 1.4375 1.185 0.102 1.1875-0.1P-0.3L-TS M25x1.0-6g 0.100R
F(19) 1.937 1.811 1.5625 1.31 0.134 1.2500-0.1P-0.3L-TS M28x1.0-6g 0.100R
G(21) 2.063 1.937 1.75 1.435 0.134 1.3750-0.1P-0.3L-TS M31x1.0-6g 0.100R
H(23) 2.189 2.063 1.8125 1.56 0.134 1.5000-0.1P-0.3L-TS M34x1.0-6g 0.100R
J(25) 2.311 2.189 2 1.685 0.134 1.6250-0.1P-0.3L-TS M37x1.0-6g 0.100R
View Straight Plug Drawing

Straight Plug

Shell Size

Thread Size

A

B

C

D

E

A(9) .858 .748 1.220 .724 M12x1.0-6g 0.100R
B(11) .984 .862 1.220 .830 M15x1.0-6g 0.100R
C(13) 1.157 1.027 1.220 1.000 M18x1.0-6g 0.100R
D(15) 1.279 1.153 1.220 1.129 M22x1.0-6g 0.100R
E(17) 1.405 1.291 1.220 1.267 M25x1.0-6g 0.100R
F(19) 1.515 1.397 1.220 1.374 M28x1.0-6g 0.100R
G(21) 1.641 1.523 1.220 1.500 M31x1.0-6g 0.100R
H(23) 1.787 2.641 1.220 1.618 M34x1.0-6g 0.100R
J(25) 1.889 2.767 1.220 1.744 M37x1.0-6g 0.100R
View Termination Drawing

Straight Plug Termination

Contact Size

ØA

ØB REF

Recommended Solder Cup Weld Size

22D .020±.002 0.056 22-26AWG
20 .030±.002 0.076 18-22AWG
16 .040±.002 0.100 14-18AWG
12 .062±.002 0.145 10-14AWG

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