iZIF HEAT FRAME GENERAL DESCRIPTION iZIFis custom aluminum heat f
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iZIF HEAT FRAME GENERAL DESCRIPTION
iZIFis custom aluminum heat frame that integrates retainer improved structural integrity thermal efficiency (.8°C-in./W). iZIFis highly reliable patentpending design rugged military aerospace circuit card applications. features quarter-turn lock, uniform clamping pressure, sized small daughter cards VME. bottom plate also added additional cooling structural integrity. iZIFfeatures 1/8" stainless steel socket head with beryllium copper spring. variety finishes available such chemical film, black anodize, electroless nickel.
THERMAL LINKS GENERAL DESCRIPTION
CTS's thermal links provide superior retention because 8-segment fingers versus 3-segment fingers available from other manufacturers. These thermal links offered TO-5s, TO-8s TO-18s with without washer other appropriate hardware. They provide effective retainer efficient thermal path between semiconductor heat sinks chassis. There excellent transistor retention under high vibration shock loads. thermal links inserted removed multiple times without loss retention damage finish over entire JEDEC case diameter range. They installed with rivet eyelet, soldered heat sink, mounted with single screw with threaded stud nut.
SERIES
Tops
Dim.
Semiconductor Dim. Case Type °C/W
1.25 1.25 1.25 1.25 TO-18 TO-18 TO-5 TO-5 TO-5 TO-8 TO-5 TO-8 150.0 150.0 81.1 81.1 57.7 41.0 56.6 56.6
Unplated
Part Number Black Cadmium
Black Chem.
Material
BeCu Brass BeCu Brass Brass BeCu Retainer Brass BeCu Retainer Brass Brass
TXBF-019-025U TXBF-019-025B N.A. TXCF-019-025U N.A. TXCF-019-025CB TXBF-032-025U TXBF-032-025B N.A. TXCF-032-025U N.A. TXCF-032-025CB TXBF2-032-036U TXBF2-032-036B N.A. TXBF2-050-033U TXBF2-050-033B TXCF-125-1U TXCF-125-2U TXCF-125-1CB TXCF-125-2B N.A. N.A. N.A.
*Natural convection, case-ambient mounted board
THERMAL LINKS TO-5, TO-8 TO-18 TRANSISTORS
Thermal Link Retainers Without Insulators
Fig.
Part Number Semiconductor Case Type Black Cadmium Finish Dull Nickel Finish
TO-18 TO-18 TO-18 TO-18 TO-18 TO-5 TO-5 TO-5 TO-5 TO-5 TXBE-019-021B TXB2P-019-028B TX1807B TX1807-1B TX1847B TXBE-032-031B TXB2P-032-037B TX0507-1B TX0507-2B TX0547B TXBE-019-021ND TXB2P-019-028ND TX1807ND TX1807-1ND TX1847ND TXBE-032-031ND TXB2P-032-037ND TX0507-1ND TX0507-2ND TX0547ND
Mounting Method
Rivet/Solder 2-56 Screw 4-40 Stud 6-32 Stud 2-56 Rivet/Solder 4-40 Screw 6-32 Stud 10-32 Stud 14-40
Dimensions reference only. Contact dimensions with tolerances standard part drawings.
Thermal Link Retainers With Insulators
Fig.
Part Number Semiconductor Case Type Black Cadmium Finish Dull Nickel Finish
TO-18 TO-18** TO-18 TO-18 TO-18 TO-18 TO-5 TO-5** TO-5 TO-5 TO-5 TO-5 TXP1803B TXP1808B TX1806B TX1806-1B TX1822B TXP0503B TXP0508B TX0506-1B TX0506-2B TX0522B TXP1803ND TXP1808ND TX1806ND TX1806-1ND TX1822ND TX1805-ND TXP0503ND TXP0508ND TX0506-1ND TX0506-2ND TX0522ND TX0505-ND
Mounting Method
2-56 Screw 2-56 Screw 4-40 Stud 6-32 Stud 2-56 Solder 4-40 Screw 4-40 Screw 6-32 Stud 10-32 Stud 4-40 Solder
**BeO thermal link brazed together.
Dimensions reference only. Contact dimensions with tolerances standard part drawings.
THERMAL LINKS TO-8s
Thermal Link Retainers Without Insulators
Part Number Black Cadmium Finish Dull Nickel Finish
TXBE-045-028B TXB2P-045-037B TXBE-050-028B TXB2P-050-037B TXBE-055-028B TXB2P-055-037B
Mounting Method
Max. Weight (Grams)
Case Diameter
0.455 0.455 0.500 0.500 0.550 0.550
TXBE-050-028
TXB2P-050-037
TXBE-045-028ND Solder, Epoxy, Rivet TXB2P-045-037ND 4-40 Screw TXBE-050-028ND Solder, Epoxy, Rivet TXB2P-050-037ND 4-40 Screw TXBE-055-028ND Solder, Epoxy, Rivet TXB2P-055-037ND 4-40 Screw
Screw shouldered nylon washer .060 chassis included; mounting hardware desired, deleted from part number.
Dimensions reference only. Contact dimensions with tolerances standard part drawings.
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