此文档权利由CJT(长江连接器)享有,您也可访问CJT(长江连接器)官方½站获取；立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。
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-54
0.80
4.59
此文档权利由CJT(长江连接器)享有,您也可访问CJT(长江连接器)官方½站获取；立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。
A1257 SERIES
1.25mm pitch wire to board connector
A1257-T
Reference Informations:
*Used in CJT A1257 series Housing
1.25mm pitch Crimp Terminal
1.40±0.25
0.12
1.42±0.25
SEC: A-A
0.40±0.20
0.90±0.25
1.00±0.25
A
A
0.25±0.10
0.55±0.10
0.80±0.20
SEC: B-B
+0.05
B
B
4.75±0.25
0.80
-0.15
2.35±0.20
1.56±0.20
2.20±0.10
0.40±0.10
C
C
0.55±0.10
Ordering information
& Specifications:
Wire Range
Part NO
Insulation O.D.
1.00mm(max)
A1257-TP
AWG#28-#32
1.00mm(max)
A1257-GP
AWG#28-#32
Optional Gold plating available but MOQ requested
SEC:C-C
Unit:mm
Qty/reel
Material
Finish
Phosphor Bronze Tin over Nickel 20,000 PCS
Phosphor Bronze Gold over Nickel 20,000 PCS
A1257H
Reference Informations:
*Material:Nylon 66,UL94V-0
*Suitable CJT A1257 series Terminal
*Mates with CJT A1257 series Wafer
*Color:White
2.80±0.20
A±0.20
1.25±0.10
1.25mm pitch Housing
3.55±0.25
Ordering Information & Dimensions:
PART NO.
A1257H-2P
A1257H-3P
A1257H-4P
A1257H-5P
A1257H-6P
A1257H-7P
A1257H-8P
A1257H-9P
A1257H-10P
A1257H-11P
A1257H-12P
A1257H-13P
A1257H-14P
A1257H-15P
Dimensions
A
B
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
3.75
5.00
6.25
7.50
8.75
10.00
11.25
12.50
13.75
15.00
16.25
17.50
18.75
20.00
Circuit 1
B±0.25
4.20±0.25
2.00±0.20
5.75±0.25
Unit: mm
CHANGJIANG CONNECTORS TEL:86-755-29959119 29959129 FAX:86-755-29959139 Http://www.CJT.cn
A-55
此文档权利由CJT(长江连接器)享有,您也可访问CJT(长江连接器)官方½站获取；立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。
A1257 SERIES
1.25mm pitch wire to board connector
A1257HA
Reference Informations:
*Material:PBT,UL94V-0
*Suitable CJT A1257 series Terminal
*Mates with CJT A1257 series Wafer
*Color:White
A±0.20
1.25±0.10
1.25mm pitch Housing
Circuit 1
3.70±0.20
4.15±0.25
6.00±0.20
6.70±0.25
Ordering Information & Dimensions:
3.30±0.20
PART NO.
A1257HA-4P
A1257HA-5P
A1257HA-7P
A1257HA-8P
A1257HA-10P
Dimensions
A
B
3.75
5.00
7.50
8.75
11.25
6.05
7.30
9.80
11.05
13.56
Unit: mm
B±0.25
A1257WV-S
Reference Informations:
*Material:Pin:Brass/Tin over Nickel
Insulator:Nylon 9T,UL94V-0
*Mates with CJT A1257 series Housing
*Color:Ivory
1.25mm pitch 180° Wafer-SMT TYPE
1.25±0.05
0.60±0.05
5.60±0.10
1.35±0.10
3.90±0.10
Ordering Information & Dimensions:
2.80±0.10
Circuit 1
A±0.10
1.25±0.05
1.00±0.10
P.C.B LAYOUT
PART NO.
A1257WV-S-2P
A1257WV-S-3P
A1257WV-S-4P
A1257WV-S-5P
A1257WV-S-6P
A1257WV-S-7P
A1257WV-S-8P
A1257WV-S-9P
A1257WV-S-10P
A1257WV-S-11P
A1257WV-S-12P
A1257WV-S-13P
A1257WV-S-14P
A1257WV-S-15P
Dimensions
A
B
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
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
Unit: mm
B±0.20
4.25±0.20
0.20±0.05
4.05±0.20
4.95±0.20
CHANGJIANG CONNECTORS TEL:86-755-29959119 29959129 FAX:86-755-29959139 Http://www.CJT.cn
A-56
此文档权利由CJT(长江连接器)享有,您也可访问CJT(长江连接器)官方½站获取；立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。
A1257 SERIES
1.25mm pitch wire to board connector
A1257WR-S
Reference Informations:
*Material:Pin:Brass/Tin over Nickel
Insulator:Nylon 9T,UL94V-0
*Mates with CJT A1257 series Housing
*Color:Ivory
1.25mm pitch 90° Wafer-SMT TYPE
1.25±0.05
0.60±0.05
5.40±0.10
1.35±0.10
3.70±0.10
Ordering Information & Dimensions:
Circuit 1
A±0.10
1.25±0.05
PART NO.
2.70±0.10
1.00±0.10
P.C.B LAYOUT
A1257WR-S-2P
A1257WR-S-3P
A1257WR-S-4P
A1257WR-S-5P
A1257WR-S-6P
A1257WR-S-7P
A1257WR-S-8P
A1257WR-S-9P
A1257WR-S-10P
A1257WR-S-11P
A1257WR-S-12P
A1257WR-S-13P
A1257WR-S-14P
A1257WR-S-15P
Dimensions
A
B
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
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
Unit: mm
B±0.20
4.25±0.20
4.05±0.20
4.90±0.20
0.20±0.05
4.35±0.20
CHANGJIANG CONNECTORS TEL:86-755-29959119 29959129 FAX:86-755-29959139 Http://www.CJT.cn
A-57
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