A1257 SERIES
1.25mm pitch wire to board connector
Specifications
Current rating:1A AC,DC
Voltage rating:50V AC,DC
Temperature range:-40°C~+105°C
Contact resistance:30m Max.
Insulation resistance:100M Min.
Withstanding voltage:500V AC/minute
*Compliant with RoHS and REACH*
*Meet the HF/Halogen Free,need to
customize*
*Contact CJT for details*
Standards
E326732
E326732
4.59
7.10 REF.
7.20 REF.
0.80
CHANGJIANG CONNECTORS TEL:+86-755-29959119 29959129 FAX:+86-755-29959139 Http://www.CJT.cn
A-74
0.80
4.59
A1257 SERIES
1.25mm pitch wire to board connector
A1257-T
1.25mm pitch Crimp Terminal
1.40±0.25
0.12
1.42±0.25
SEC: A-A
0.90±0.25
Reference Informations:
*Used in CJT A1257H-XP,A1257HA-XP series Housing
0.40±0.20
1.00±0.25
A
A
0.25±0.10
0.80±0.20
B
B
4.75±0.25
SEC: B-B
2.35±0.20
1.56±0.20
2.20±0.10
0.55±0.10
0.80
-0.15
+0.05
0.40±0.10
C
C
0.55±0.10
Ordering information & Specifications:
Part NO
A1257-TP
A1257-GP
Wire Range
AWG#28-#32
AWG#28-#32
Insulation O.D.
1.00mm(max)
1.00mm(max)
Material
Phosphor Bronze
Phosphor Bronze
Finish
Tin over Nickel
SEC:C-C
Unit:mm
Qty/reel
20,000 PCS
20,000 PCS
Gold over Nickel
Optional Gold plating available but MOQ requested
A1257H-XP
1.25mm pitch Housing
Ordering Information:
A1257H-XP - *** - ***
1
2
3
1.Part No.
2.Material:
(Blank):Nylon 66,UL94V-0
GWT:Nylon 66,UL94V-0,GWT 750
℃
3.Color:
(Blank):White
BK:Black
BL:Blue
OR:Orange
LE:Light blue
TR:Tomato red
LY:Lemon yellow
MG:Moss green DPK:Dark pink
Reference Informations:
*Material:Nylon 66,UL94V-0
*Suitable CJT A1257-T series Terminal
*Mates with CJT A1257WV-S,WR-S-XP series Wafer
*Color:White
A±0.20
1.25±0.10
Circuit 1
2.80±0.20
3.55±0.25
Ordering Information & Dimensions:
PART NO.
B±0.25
4.20±0.25
2.00±0.20
2P
3P
4P
5P
6P
7P
8P
9P
10P
11P
12P
13P
14P
15P
Dimensions
A
B
1.25
3.75
2.50
5.00
3.75
6.25
5.00
7.50
6.25
8.75
7.50
10.00
8.75
11.25
10.00
12.50
11.25
13.75
12.50
15.00
13.75
16.25
15.00
17.50
16.25
18.75
17.50
20.00
5.75±0.25
Unit: mm
CHANGJIANG CONNECTORS TEL:+86-755-29959119 29959129 FAX:+86-755-29959139 Http://www.CJT.cn
A-75
A1257 SERIES
1.25mm pitch wire to board connector
A1257HA-XP
Reference Informations:
*Material:PBT,UL94V-0
*Suitable CJT A1257-T series Terminal
*Color:White
A±0.20
1.25±0.10
1.25mm pitch Housing
Circuit 1
3.70±0.20
4.15±0.25
Ordering Information:
A1257HA-XP - ***
1
2
1.Part No.
2.Material:
(Blank):PBT,UL94V-0
GWT:PBT,UL94V-0,GWT 750
℃
6.00±0.20
6.70±0.25
Ordering Information & Dimensions:
PART NO.
4P
5P
7P
8P
10P
Dimensions
A
3.75
5.00
7.50
8.75
11.25
B
6.05
7.30
9.80
11.05
13.56
B±0.25
3.30±0.20
Unit: mm
A1257WV-S-XP
Reference Informations:
*Material:Pin:Brass/Tin over Nickel
Insulator:Nylon 9T,UL94V-0
*Mates with CJT A1257H-XP series Housing
*Color:Ivory
1.25mm pitch 180° Wafer-SMT TYPE
Ordering Information:
A1257WV-S-XP - *** - *** - *
1
2 3 4
1.Part No.
2.Material:
(Blank):Nylon 9T,UL94V-0
GWT:Nylon 9T,UL94V-0,GWT 750
℃
3.Color:
(Blank):Ivory
BK:Black
BL:Blue
OR:Orange
LE:Light blue
TR:Tomato red
LY:Lemon yellow
MG:Moss green DPK:Dark pink
4.Finish:
(Blank):Tin over Nickel
G:Gold over Nickel
1.25±0.05
0.60±0.05
5.60±0.10
1.35±0.10
3.90±0.10
2.80±0.10
Ordering Information & Dimensions:
PART NO.
2P
3P
4P
5P
6P
7P
8P
9P
10P
11P
12P
13P
14P
15P
Dimensions
A
B
1.25
5.75
2.50
7.00
3.75
8.25
5.00
9.50
6.25
10.75
7.50
12.00
8.75
13.25
10.00
14.50
11.25
15.75
12.50
17.00
13.75
18.25
15.00
19.50
16.25
20.75
17.50
22.00
Circuit 1
A±0.10
1.25±0.05
1.00±0.10
P.C.B LAYOUT
B±0.20
4.25±0.20
0.20±0.05
4.05±0.20
4.95±0.20
Unit: mm
CHANGJIANG CONNECTORS TEL:+86-755-29959119 29959129 FAX:+86-755-29959139 Http://www.CJT.cn
A-76
A1257 SERIES
1.25mm pitch wire to board connector
A1257WR-S-XP
Reference Informations:
*Material:Pin:Brass/Tin over Nickel
Insulator:Nylon 9T,UL94V-0
*Mates with CJT A1257H-XP series Housing
*Color:Ivory
1.25mm pitch 90° Wafer-SMT TYPE
Ordering Information:
A1257WR-S-XP - *** - *** - *
1
2 3 4
1.Part No.
2.Material:
(Blank):Nylon 9T,UL94V-0
GWT:Nylon 9T,UL94V-0,GWT 750
℃
3.Color:
(Blank):Ivory
BK:Black
BL:Blue
OR:Orange
LE:Light blue
TR:Tomato red
LY:Lemon yellow
MG:Moss green DPK:Dark pink
4.Finish:
(Blank):Tin over Nickel
G:Gold over Nickel
1.25±0.05
0.60±0.05
5.40±0.10
1.35±0.10
3.70±0.10
2.70±0.10
Circuit 1
A±0.10
1.25±0.05
Ordering Information & Dimensions:
PART NO.
2P
3P
4P
5P
6P
7P
8P
9P
10P
11P
12P
13P
14P
15P
Dimensions
A
1.25
2.50
3.75
5.00
6.25
7.50
8.75
10.00
11.25
12.50
13.75
15.00
16.25
17.50
B
5.75
7.00
8.25
9.50
10.75
12.00
13.25
14.50
15.75
17.00
18.25
19.50
20.75
22.00
1.00±0.10
P.C.B LAYOUT
B±0.20
4.25±0.20
4.05±0.20
4.90±0.20
0.20±0.05
4.35±0.20
Unit: mm
CHANGJIANG CONNECTORS TEL:+86-755-29959119 29959129 FAX:+86-755-29959139 Http://www.CJT.cn
A-77
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