Dimensions are shown in mm (inch)

Dimensions subject to change

117

Assy Insts

RF Coaxial Connectors

Assembly Instructions

AI-252 & AI-278

SMA Straight Connectors, Direct Solder (Separate Center Contact) Type for Semi-Rigid Cable

1. Cut cable end square. Trim the cable outer conductor and dielectric as shown taking care not to

nick the center conductor. Deburr outer conductor at point of cut.

Assembly Instruction No.

Configuration

A

B

AI-252

Plug

3,18

± 0,25 (.125 ± .010)

0,38 (.015)

AI-278

Flange Jack

2,54

± 0,25 (.100 ± .010)

0,38 (.015)

2. Tin center conductor (DO NOT OVER TIN).

3. Solder contact to center conductor ensuring that dimension shown is maintained. Remove any

excess solder.

4. Clean housing area of outer conductor with abrasive paper and clean in a suitable agent.

5. Place connector assembly in Assembly Jig T1848, or other suitable clamping arrangement, with

contact in locator tool as shown.

Tighten screw to secure cable between inserts then tighten locator to seat cable firmly. Place

solder ring around cable adjacent to connector body and heat the connector body using an

appropriate heat source (solder tongs with variable control). Apply sufficient heat for solder to flow

but using minimum heat cycle.

6. Using dielectric insertion Tool T2508 (for plugs) or T2509 (for jacks), press insulator into body.

Assembly is now ready for use.

N.B. Various body configurations can apply.

PLUG BODY

INSULATOR

CONTACT

JACK BODY

INSULATOR

CONTACT