CUSTOMER DRAWING

Tyco Electronics

305 Constitution Dr

Menlo Park, CA

94025, U.S.A.

TITLE:

CAP, SPLICE ENCAPSULATION

Unless otherwise specified dimensions are in millimeters.

[Inches dimensions are shown in brackets]

Raychem

Devices

DOCUMENT NO.:

D-300-08/-12/-18

TOLERANCES:

0.00 N/A

0.0 N/A

0 N/A

ANGLES: N/A

ROUGHNESS

IN MICRON

Tyco Electronics reserves the right to

amend this drawing at any time. Users

should evaluate the suitability of the

product for their application.

REV:

B

DATE:

31-July-08

DRAWN BY:

M. FORONDA

CAGE CODE:

06090

REPLACES:

D010044

ECO NUMBER:

08-018889

SCALE:

NTS

SIZE:

A

SHEET:

7 of 7

© 2008 Tyco Electronics Corporation. All rights reserved

If this document is printed it becomes uncontrolled. Check for the latest revision.

Thermofit Assembly Procedure

1.

Strip the wires and install crimp type connector or solder wires together. Connector should be installed so that

1/6

± 1/32 of conductor is exposed between the connector and the wire insulation, as shown in Figure 1.

2.

Choose the proper size cap from the chart below. Place splice into cap so that the connector bottoms on the

rounded end of the cap.

3.

Heat the assembly, using a Thermogun, Model 500A, or equivalent, equipped with a TG-12 or TG-13A

reflector.

4.

The average length of time required for proper heating is given in the chart. However, since the heat sink effect

of various wire bundles may vary considerably, several trial specimens should be crossed-sectioned as shown in

Figure 2 before proceeding with production installations. If the area between the wires is not completely filled,

a longer heating cycle should be established.

5.

With wire bundles of more than three wires, it is helpful to slightly deform the cap by pinching in the area

above the connection at the end of the heating cycle and then returning the cap to the heat for an additional

period to allow the cap to return to its cylindrical shape.

Chart 1

Part

Splicer Diameter

Time

Name

Minimum

Maximum

(sec.)

D-300-08

2.03 (0.080)

3.04 (0.120)

30

D-300-12

3.04 (0.120)

5.08 (0.200)

45

D-300-18

4.57 (0.180)

7.62 (0.300)

60

Figure 1

Figure 2