Receptacles
Design Rules
Part Number Ordering Procedure
Acceptable Socket
51- 1004818- * 1 * 0
Socket Series Code
Socket
Contact Type
Insulator Plate Thickness
Configuration Code
Special
(See Page 126)
Terminal Length
Minimum Pin Length:
Maximum Pin Length:
2.4mm
3.8mm (If above 3.8mm, groove is required on the insulator)
Polyetherimide (PEI)
Beryllium Copper (BeCu) 172 heat treated
Gold plating (30µÓ) over Nickel plating (50µÓ)
Brass alloy 360
1
/
2
H
Tin plating (200µÓ) over Nickel plating (100µÓ) or
Gold plating (10µÓ) over Nickel plating (100µÓ)
Material
Insulator:
Inner Contact:
Outer Sleeve:
Pitch
Pitch:
1.27mm (50MIL) is Standard Pitch (less is considered Fine Pitch)
Reference Guide
Socket Series
IC51 (Fine Pitch <.1.27)
IC51 (Standard Pitch = 1.27)
IC53 (Fine Pitch <1.27)
IC53 (Standard Pitch = 1.27)
IC100
IC107
IC120
IC-176
IC189
IC191
IC200
IC201
Series Code
51
51
53
53
10
07
20
76
19
91
00
01
Contact Types
A,B,C
D,E,F,G
A,B,C
D,E,F,G
D,E,F,G
D,E,F,G
D,E,F,G
D,E,F,G
A,B,C
A,B,C
A,B,C
A,B,C
Socket Series
IC211
IC218
IC235
NP89
NP92
NP161
NP171
NP178
NP195
NP236
NP276
Series Code
11
28
35
89
92
61
71
78
95
36
27
Contact Types
A,B,C
A,B,C
A,B,C
H,I,J
A,B,C
H,I,J
H,I,J
K,L,M
K,L,M
K,L,M
N
Insulator Plate Thickness
Code
1
2
3
Dimensions
3.17mm (0.125Ó) Standard
(No groove possible)
4.45mm (1.75Ó) Groove Optional
5.20mm (0.205Ó) Groove Optional
Code
4
5
6
7
123
Dimensions
5.84mm (0.230Ó) Groove Optional
6.00mm (0.236Ó) Groove Optional
6.50mm (0.256Ó) Groove Optional
8.00mm (0.315Ó) Groove Optional
Receptacles
Design Rules
Contact Type
Fine Pitch Solder Tails
∅
∅
Standard Pitch Solder Tails
∅
∅
∅
Arrays
Inline Memory
Modules
∅
∅
Tail Length
4.57mm (0.180Ó)
Tail Length
6.99mm (0.275Ó)
Tail Length
10.16mm (0.400Ó)
Code
A
B
C
Tail Length
4.65mm (0.183Ó)
Tail Length
6.93mm (0.275Ó)
Code
D
E
Standard Pitch Wire Wrap
∅
∅
∅
∅
∅
∅
∅
PGA Standard Pitch Solder Tail
PGA Wire Wrap
Quad Flat
Packages
∅
∅
∅
Small Outline
Packages
Tail Length
9.14mm (0.360Ó)
Tail Length
12.70mm (0.500Ó)
Code
F
G
Tail Length
3.18mm (0.125Ó)
Code
H
Tail Length
9.40mm (0.370Ó)
Tail Length
10.92mm (0.430Ó)
Code
I
J
Interstitial PGA Solder Tail
∅
∅
∅
Interstitial PGA Wire Wrap
∅
∅
∅
∅
BGA Fine Pitch Solder Tail
Speciality Test
Products
∅
Tail Length
3.18mm (0.125Ó)
Code
K
Tail Length
9.40mm (0.370Ó)
Tail Length
12.70mm (0.500Ó)
Code
L
M
Tail Length
6.35mm (0.250Ó)
Code
S
124
Receptacles
Design Rules
Notches on Insulator
Please note: notched receptacles may be used for handler applications
Without notch & without groove
With notch & without groove
Groove
Please note: on some sockets, the contact tails are too long to seat flush therefore, an additional groove will be need-
ed. (Standard receptacle accepts 3.8mm max contact tail.)
Without notch & with groove
With notch & groove
125
MCU
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