SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER

Memory Modules

81

Test & Burn-In

35.50 (IC-657-3**) / 42.50 (IC-657-2**)

0.80

1.00

Front Side

37.00 (IC-657-3**) / 44.50 (IC-657-2**)

Part Numbers IC657-3 / IC657-2

101.00 ±0.2

110.00 ±0.4

92.00 ±0.4

65.30

120.65 ±0.2

0.60 ±0.15

0.60 ±0.15

0.6x19=11.40 ±0.2

0.60x79=47.40 ±0.2

∅3.20 Thru hole

Series IC-657

Dual Inline Memory Module 144, 172 and 200 Pins

Part Number (Details)

Specifications

Insulation Resistance:

1,000MΩ min. at 500V DC

Dielectric Withstanding Voltage: 700V AC for 1 minute

Contact Resistance:

30mΩ max. at 10mA/20mV max.

Operating Temperature Range:

–55°C to +170°C

Mating Cycles:

10,000 insertions min.

Materials and Finish

Housing: Polyetherimide (PEI), glass-filled

Contacts: Beryllium Copper (BeCu)

Plating:

Gold over Nickel

Features



144 and 172 contact pins with 0.5mm pitch



200 contact pins with 0.6mm pitch

Outline Socket Dimensions

Recommended PCB Layout

Matching Module Dimensions

Top View from Socket

Series No.

MF = Flanged

Unmarked = Not Flanged

IC- 657

*

MF

-

-

1 = 200 Pins with 0.6mm Pitch

2 = 172 Pins with 0.5mm Pitch

3 = 144 Pins with 0.5mm Pitch

70.30 (IC-657-3**) / 77.80 (IC-657-2**)

79.30 (IC-657-3**) / 86.80 (IC-657-2**)

61.30 (IC-657-3**) / 68.80 (IC-657-2**)

0.50 ±0.15

0.50x71=35.50 (IC-657-3**)

0.50x85=42.50 (IC-657-2**)

∅3.20 Thru hole

3.50 ±0.5

W0.30 x t0.25

91.50 (ref)

65.00 (ref)

3.50

W0.30 x t0.25

59.80 (IC-657-3**) / 67.30 (IC-657-2**)

Part Number IC67-1

Part Numbers IC657-3 / IC657-2

Part Numbers IC657-3 / IC657-2

Part Number IC657-1

Part Number IC657-1

∅3.20

200- 0.60

∅

63.00 ±0.1

101.00 ±0.1

0.60 ±0.05

Thru hole

Thru hole

+ 0.1

0

+ 0.1

0

0.60 ±0.05

0.6x19=11.40 ±0.1

0.60x79=47.40 ±0.1

∅3.20

144- 0.60

∅

(IC657-3**)

70.30 (IC-657-3**) / 77.80 (IC-657-2**)

Thru hole

Thru hole

0.50 ±0.05

0.50x71=35.50 (IC-657-3**)

0.50x85=42.50 (IC-657-2**)

172- 0.60

∅

(IC657-2**)

Thru hole

63.00

1.00

3.80

3.00

1.00±0.1

4.00

67.60

0.6x19=11.40 ±0.1

0.60x79=47.40 ±0.1

Part Number IC657-1

IC-667-1-*

IC-667-2-*

IC-667-3-*