TP0010

THERMO PADS NTE s THERMO-PADS do away with the old TYPICAL PROPERTIES fashioned mica wafer and conductive grease 0.009 INCH TEST PROPERTY THICKNESS METHOD method of mounting power semiconductors. These thermally conductive insulators offer Construction Silicone/Fiberglass - low heat transfer resistance while still provid ing high electrical isolation between the parts Color Gray Visual of the assembly. The elastomeric material Thickness combines the electrical isolation of rigid insu 0.001 (Expressed in Inches) 0.009 - lators with the ability to conform to rough sur faces and reduce contact resistance in much Hardness, Shore A 85 ASTM D 2240 the same manner as thermal greases. Proper Breaking Strength selection and use of these THERMO-PADS Lbs./Inch 30 ASTM D 1458 results in a securely-mounted power semi conductor and minimum resistance to the Elongation, (%45n to Warp and Fill) 54 ASTM D 412 heat transfer between it and the heat sink. Tensile Strength (psi) / (MPa) 3000 ASTM D 412 INSTALLED COST PER THOUSAND UNITS Continuous Use Temperature (C) -60 to +180 - 175 Dielectric Breakdown Voltage (VAC) 4500 ASTM D 149 LABOR Dielectric Constant 150 (1000 H ) 5.5 ASTM D 150 Z MATERIALS Volume Resistivity 125 11 (Ohm - Meter) 10 ASTM D 257 100 Flame Rating V-O U.L. 94 Thermal Conductivity W 75 m-k 0.9 - Thermal Performance 50 (TO220 Test 50psi C/W) 6.61 - Thermal Impedance (Note 1) 25 3 (Test 50psi C-in /W) 1.45 - Note 1. The ASTM D 5470 test fixture was used. The recorded value includes interfacial thermal resistance. These THERMO-PAD MICA PRE-GREASED values are provided for reference only. Actual applica TOTAL 80.00 GREASE MICA tion performance is directly related to the surface TOTAL 180.00 TOTAL 130.00 roughness, flatness and pressure applied. Note: NTE425 is a self-adhesive, thermal interface pad for use in computer applications. For additional information, refer to page 1-356. 1-366 NTE Electronics, Inc. Voice (973) 748-5089 FAX (973) 748-6224 DIMENSIONAL OUTLINE DRAWINGS 1.650 (41.9) 1.312 (33.3) .500 (12.7) .072 .100 .200 (1.82) (2.54) (5.08) .430 .200 (10.9) (5.08) 1.140 .762 (28.9) (19.4) 1.187 (30.1) .960 (24.4) .093 (2.36) Dia (2) .062 (1.57) Dia (2) .140 (3.56) Dia (2) .140 (3.56) Dia (2) TO3 Style TO66 Style DO4 Style TP0001 TP0002 TP0003 .865 (21.97) .437 (11.1) .750 (19.05) .650 (16.51) .312 .500 (7.92) (12.7) .650 (16.51) .093 (2.36) .140 (3.56) Dia .147 (3.73) .140 .187 Dia Dia (3.56) .205 (5.2) R (4.75) TO126 Style TO218 Style TO220 Style TP0004 TP0006 TP0005 1.260 (32.0) .800 (20.3) 1.063 (27.0) .260 .690 .984 (25.0) (6.6) (17.53) .650 (16.51) .142 (3.6) Dia .205 (5.2) R .190 (4.83) DO5 Style TO3P Style TO36 Style Dia (4 Places) TP0007 TP0008 TP0009 1.030 (26.16) W Thermo Pad material is also available in a 1ft. x 25ft. roll and can be ordered using the NTE .810 part number: TP-3 L (20.57) NTE can also supply thermal grease in 1 gram tubes. See Precut Sheet .137 (3.5) TP0011 6 x 6 .236 page 1-359. Dia (6.0) TP0012A 12 x 12 TO3PML Style TP0013 2.25 x 1.75 TP0010 1-367 NTE Electronics, Inc. Voice (973) 748-5089 FAX (973) 748-6224