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IC-657-1-MF Datasheet, PDF (1/1 Pages) Yamaichi Electronics Co., Ltd. – Dual Inline Memory Module 144, 172 and 200 Pins
Series IC-657
Dual Inline Memory Module 144, 172 and 200 Pins
Memory Modules
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
Part Number (Details)
IC- 657
- * - MF
Series No.
1 = 200 Pins with 0.6mm Pitch
2 = 172 Pins with 0.5mm Pitch
3 = 144 Pins with 0.5mm Pitch
MF = Flanged
Unmarked = Not Flanged
Features
 144 and 172 contact pins with 0.5mm pitch
 200 contact pins with 0.6mm pitch
Outline Socket Dimensions
Part Number IC657-1
0.6x19=11.40 ±0.2
∅3.20 Thru hole
120.65 ±0.2
0.60x79=47.40 ±0.2
IC-667-1-*
IC-667-2-*
IC-667-3-*
Recommended PCB Layout
0.6x19=11.40 ±0.1
Part Number IC657-1
101.00 ±0.1
63.00 ±0.1
Top View from Socket
0.60x79=47.40 ±0.1
0.60 ±0.05
200-∅0.60
+
0.1
0
Thru hole
0.60 ±0.15
65.30
0.60 ±0.15
92.00 ±0.4
101.00 ±0.2
110.00 ±0.4
Part Numbers IC657-3 / IC657-2 0.50x71=35.50 (IC-657-3**)
∅3.20 Thru hole
0.50x85=42.50 (IC-657-2**)
0.50 ±0.15
61.30 (IC-657-3**) / 68.80 (IC-657-2**)
70.30 (IC-657-3**) / 77.80 (IC-657-2**)
79.30 (IC-657-3**) / 86.80 (IC-657-2**)
91.50 (ref)
65.00 (ref)
Part Number IC67-1
∅3.20
+ 0.1
0
Thru hole
0.60 ±0.05
0.50 ±0.05
Part Numbers IC657-3 / IC657-2
70.30 (IC-657-3**) / 77.80 (IC-657-2**)
0.50x71=35.50 (IC-657-3**)
0.50x85=42.50 (IC-657-2**)
Thru hole 144-∅0.60 (IC657-3**)
Thru hole 172-∅0.60 (IC657-2**)
∅3.20 Thru hole
3.80
Matching Module Dimensions 1.00
Part Number IC657-1
4.00
1.00±0.1
3.50 ±0.5
W0.30 x t0.25
59.80 (IC-657-3**) / 67.30 (IC-657-2**)
0.60x79=47.40 ±0.1
0.6x19=11.40 ±0.1
63.00
67.60
3.00
Part Numbers IC657-3 / IC657-2
Front Side
35.50 (IC-657-3**) / 42.50 (IC-657-2**)
1.00
37.00 (IC-657-3**) / 44.50 (IC-657-2**)
0.80
3.50
W0.30 x t0.25
SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER
81 Test & Burn-In