5. Mechanical

5.1. TX module outline

Module

L

W

A

B

TX25

67.6mm

26mm

1.4mm

1.3mm

TX27

1.8mm

1.0mm

TX28

1.8mm

1.1mm

TX48

1.8mm

1.1mm

TX51

1.8mm

1.1mm

TXUL

1.8mm

1.1mm

TX8M

1.8mm

1.1mm

TX53

31mm

1.8mm

1.3mm

TX6

2.0mm

1.1mm

TX8X

2.0mm

1.1mm

../../_images/tx_module_outline1.png
../../_images/tx_module_outline2.png

5.2. SO-DIMM connector

For detailed information on socket dimensions and recommended PCB layout refer to the manufacturer datasheets. Be sure to use DDR SO-DIMM type sockets with 2,5V keying.

Part number

Socket height

Overall mounting height

Underside space

Supplier

1565691-1

4.0mm

4.5mm

0.5mm

Tyco Electronics

AS0A426-E4SN-7F

Foxconn

SODIMM200S52T25

5.2mm

5.7mm

1.7mm

admatec

AS0A426-E2SN-7F

Foxconn

1473005-1

Tyco Electronics

AS0A426-B6SN-7F

6.5mm

7.0mm

3.0mm

Foxconn

1717468-3

Tyco Electronics

AS0A426-B8SN-7F

8.0mm

8.5mm

4.5mm

Foxconn

SODIMM200S92T25

9.2mm

9.7mm

5.7mm

admatec

AS0A426-EASN-7F

Foxconn

Typical DDR SO-DIMM Socket specifications

  • Duarbility: 25 Cycles

  • Voltage Rating: 25V

  • Current Rating: 0.5A (Tyco Electronics 1473005-1)

  • Contact Resistance: 50mΩ max.

  • Dielectric Withstanding Voltage: 250V AC/1 min.

  • Insulation Resistance: 100 MΩ

  • Operating Temperature: -40℃ to +85℃

5.3. DIMM Connector PCB Layout example

../../_images/dimm_connector1.png

The position of the TX module mounting holes depend on the used DIMM socket. The following example applies to a Tyco socket 1473005-1.

../../_images/dimm_connector2.png

5.4. TX Fastener Kit

A fastener kit provides secure mounting of modules plugged into the SO-DIMM socket. An additional thread locker is recommended to hold the screws in during vibration.

Ka-Ro Part Number

Description

Image

Quantity

TX00-ZV02

(Fastener Kit / 10 sets)

Self Retaining Screw Spacer for M2,0 Length 3,0 mm, Outside Diameter 4,00 mm www.ettinger.de part. no. 07.51.403

../../_images/tx_fastener_kit_tabelle.png

20

Nut M2,0

20

Screw M2,0 x 8mm

20

../../_images/tx_fastener_kit.png

5.5. TX Heatsink Kit (17 K/W)

Ka-Ro p/n

Item

Description

Image

Quantity

TX00-ZV06

Heatsink

Fischer Elektronik GmbH, customised SK 473, 27mm x 68mm x 6mm

1

Spacer

Self Retaining Screw Spacer for M2,0, Length 3,0 mm, Outside Diameter 4,00 mm www.ettinger.de p/n 07.51.403

../../_images/tx_fastener_kit_tabelle.png

2

Screw Spacer for M2,0 Length 2,0 mm, Outside Diameter 4,00 mm www.ettinger.de p/n 05.81.020

../../_images/tx_fastener_kit_tabelle.png

2

Thermal gap filler

Fischer Elektronik GmbH, heat conductive gel foil GEL 10

20mm x 20mm

Screw

Screw M2,0 x 10mm

2

../../_images/tx_heatsink_kit_17k.png

5.5.1. Standard extruded heatsink – SK 473 – length 68mm

../../_images/standard_extruded_heatsink_sk473_1.png
../../_images/standard_extruded_heatsink_sk473_2.png

5.5.2. Heat conductive gel foil – GEL 10

Fischer Elektronik GEL 10 datasheet

version

standard

material

GEL foil

material thickness

1 mm

tolerance

0.2

thermal conductivity

1.5 W/m·K

volume resistivity

>1·106 MΩ/m

Rth

1.02 °C in2/W

hardness range

< 49 Shore 00

temperature range

-60 °C … +200 °C

extensibility

100 %

dielectric constant

5.8 [50 Hz] 5.6 [1 KHz] 5.5 [1 MHz]

dielectric loss factor

0.048 [50 Hz] 0.015 [1 KHz] 0.003 [1 MHz]

dielectric strength

14 kV/mm (AC)

tightness

2.6 g/cm3

class of flammibility

UL 94 V-0

type of delivery

on both sides covered with protective foil material

5.6. TX Heatsink Kit (7 K/W)

The TX Heatsink Kit provides also a secure mounting of the module.

Ka-Ro p/n

Item

Description

Image

Quantity

TX00-ZV07

Heatsink

Fischer Elektronik GmbH, customised SK 560, 27mm x 68mm x 14mm

1

Spacer

Self Retaining Screw Spacer for M2,0, Length 3,0 mm, Outside Diameter 4,00 mm www.ettinger.de p/n 07.51.403

../../_images/tx_fastener_kit_tabelle.png

4

Thermal gap filler

Fischer Elektronik GmbH, heat conductive gel foil GEL 27 S 25

57mm x 15mm

Screw

Screw M2,0 x 12mm

2

../../_images/tx_heatsink_kit_7k.png

5.6.1. Standard extruded heatsink – SK 560 – length 68mm

../../_images/standard_extruded_heatsink_sk560_1.png
../../_images/standard_extruded_heatsink_sk560_2.png

5.6.2. Heat conductive gel foil – GEL 27 S 25

Fischer Elektronik GEL 27 S 25 datasheet

material thickness

2.5 mm

thermal conductivity

2.7 W/m·K

volume resistivity

2·107 MΩ/m

Rth

0.94 °C in2/W

hardness range

45 Shore 00

temperature range

-60 °C … +200 °C

extensibility

45 %

dielectric strength

15 kV/mm

tightness

3 g/cm3

class of flammibility

UL 94 V-0

type of delivery

on both sides covered with protective foil material