Datasheet > 3223-07FR-43

3223-07FR-43

更新时间： 2022-01-19 04:50:00

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THERMAL PAD TO-220

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3223-07FR-43 数据手册

SIL-PAD 400

The Original Fiberglass Based Sil-Pad

SIL-PAD 400

Sil-Pad 400 is the original Sil-Pad material. Sil-Pad 400

is a composite of silicone rubber and ﬁberglass. It is ﬂame

retardant and is specially formulated for use as a thermally

conductive insulator. Primary use is to electrically isolate

power sources from heat sinks.

Sil-Pad 400 has excellent mechanical and physical

characteristics. Surfaces are pliable and allow complete

surface contact with excellent heat dissipation. Sil-Pad 400

actually improves its thermal resistance with age. The

reinforcing ﬁberglass gives excellent cut-through resistance

and Sil-Pad 400 is non-toxic and resists damage from

cleaning agents.

SIL-PAD 600

Special Thicknesses, Rolls and Sheets

Sil-Pad 600 is a silicone elastomer ﬁlled with special

ingredients to provide higher thermal performance. This

material has similar physical characteristics of the Sil-Pad

400 material with enhanced thermal performance.

Sil-Pad 400 can be supplied on special order in a variety

of thicknesses from .007 to .045 inches to fulﬁll special

requirements of insulation path minimums or other spacing

needs. Sil-Pad 400 and 600 are available in die-cut parts,

sheets (6" x 6" min., 6" x 12", 8" x 8", 10" x 10" and 12" x

12") and roll form.

Physical Properties

Sil-Pad 400, .007 in.

Sil-Pad 400, .009 in

Sil-Pad 600

Test Method

Color

Gray

Green

Thickness Inches

(mm)

Breaking Strength Lbs/inch (kN/m)

.007 ± .001"

0.178 ±0.025

100 (18)

.009 ± .001"

.229 ± .025

100 (18)

.009 ± .001"

.229 ± .025

100 (18)

ASTM D 374

ASTM D 1458

Elongation, % 45° to warp and ﬁll

Hardness, Shore A

ASTM D 412

ASTM D 2240

Tensile Strength, kPsi (MPa)

45° to warp and ﬁll

Continuous Use Temp., °C

Speciﬁc Gravity

3 (20)

-60 to +180

2.0

3 (20)

-60 to +180

1.8

ASTM D 412

ASTM D 792

-60 to +180

2.0

Construction

Silicone/Fiberglass

Silicone/ Fiberglass

Thermal Vacuum Weight Loss

% (TML) as manufactured

Post Cure 24 Hrs. 400 °F

.40

.25

.40

.25

NASA

SP-R-0022A

Volatile Condensable Material

% (CVCM) as manufactured

Post Cure 24 Hrs. 400°F

.11

.07

.11

.07

NASA

SP-R-0022A

Thermal Properties

Thermal Resistance, °C-in /W

Thermal Conductivity, W/m-K

Sil-Pad 400, .007 in.

0.45

0.9

Sil-Pad 400, .009 in

0.50

0.9

Sil-Pad 600

0.35

1.0

Test Method

ASTM D 5470

Electrical Properties

Sil-Pad 400, .007 in.

Sil-Pad 400, .009 in

Sil-Pad 600

4500

Test Method

ASTM D 149

ASTM D 150

ASTM D 257

Breakdown Voltage, Volts a-c Min.

Dielectric Constant, 1000 Cps (Hz)

Volume Resistivity, Ohm Metre

3500

5.5

4500

5.5

5.0

1.0 x 10

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