BNC-AB-JJ-CF [DDK]

RF ADAPTERS;
BNC-AB-JJ-CF
型号: BNC-AB-JJ-CF
厂家: DDK LTD.    DDK LTD.
描述:

RF ADAPTERS

文件: 总16页 (文件大小:405K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
RF ADAPTERS  
● Adapters can be connected between each series.  
● 2 or more port are available and mechanical characteristics are defined  
by mating connectors.  
(NOTE)The listed combination of the adapters are common types.  
If you look for other combination, please contact our sales office.  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
120328  
http://www.ddknet.co.jp  
Unit:mm  
RF Adapter  
○N to N  
44.4  
40.5  
Finish  
Finish  
Part Number  
N-A-PP-1-CF  
Part Number  
N-A-JJ-CF  
N-A-JJ-NiCAu-CF  
N-A-JJ-Ni-1-CF  
UG-29B/U-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Ag  
Conductor  
Ag  
Ag  
Ag  
N-A-PP-1-Ni-CF  
Ni  
Ni  
Ni  
Ag  
Au  
Ag  
Ag  
+0.1  
0
4-φ3.2  
16.7  
2.0  
4-φ3.2  
+0.1  
0
φ18.0  
±0.05  
18.2  
44.5  
18.2  
Panel Mounting Dimensions  
□25.4  
Finish  
Center  
Part Number  
Outer  
Conductor  
Ag  
Conductor  
Ag  
N-PA-JJ-CF  
N-PA-JJ-CAu-CF  
N-PA-JJ-Ni--CF  
N-PA-JJ-SUS-CF  
Ni  
Ni  
SUS  
Au  
Ag  
Ag  
44.5  
44.5  
Finish  
Center  
Finish  
Part Number  
Part Number  
Outer  
Outer  
Center  
Conductor  
Ag  
Conductor  
Ag  
Conductor  
Conductor  
Ag  
N-TA-JJJ-CF  
N-TA-JJJ-Ni-CF  
N-TA-JPJ-CF  
N-TA-JPJ-Ni-CF  
Ag  
Ni  
Ni  
Ag  
Ag  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
2
Unit:mm  
RF Adapter  
○N to N  
35  
Finish  
Part Number  
Outer  
Center  
Conductor  
Ag  
Conductor  
Ag  
N-LA-PJ-CF  
N-LA-PJ-Ni-CF  
Ni  
Ag  
○N to BNC  
38.0  
34.7  
Finish  
Finish  
Part Number  
NJ-BNCJ-CF  
Part Number  
NJ-BNCP-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Conductor  
Ag  
Ag  
Ag  
4-φ3.2  
+0.1  
0
4-φ3.2  
+0.1  
0
φ15.5  
2
16.7  
26.3  
18.24  
□25.4  
±0.05  
18.24  
45  
Panel Mounting Dimensions  
Finish  
Part Number  
NJ-BNCP-PA-CF  
Outer  
Center  
Conductor  
Ag  
Conductor  
Ag  
+0.1  
0
4-φ3.2  
18.24  
+0.1  
0
φ15.5  
±0.05  
18.24  
2
16  
4-φ3.2  
Panel Mounting Dimensions  
34.7  
Finish  
Part Number  
Outer  
Center  
Conductor  
Conductor  
NJ-BNCJ-PA-CF  
Ag  
Ag  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
3
Unit:mm  
RF Adapter  
○N to BNC  
12.7  
42  
34.1  
Finish  
Finish  
Part Number  
NP-BNCJ-CF  
Part Number  
NP-BNCP-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Ag  
Conductor  
Ag  
Ag  
4-φ3.2  
+0.1  
0
4-φ3.2  
+0.1  
0
φ16.2  
2
16.2  
±0.05  
18.2  
18.2  
40.2  
Panel Mounting Dimensions  
Finish  
Part Number  
NP-BNCJ-CF  
Outer  
Center  
Conductor  
Conductor  
Ag  
Ag  
○N to TNC  
38  
34.7  
Finish  
Finish  
Part Number  
NJ-TNCJ-CF  
Part Number  
NJ-TNCP-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Conductor  
Ag  
Ag  
Ag  
42  
34.0  
Finish  
Finish  
Part Number  
NP-TNCJ-CF  
Part Number  
NP-TNCP-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
Ag  
Ag  
Ag  
Ag  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
4
Unit:mm  
RF Adapter  
○N to DM  
28  
30.2  
Finish  
Finish  
Part Number  
NJ-DMP-CF  
Part Number  
NP-DMJ-CF  
Outer  
Center  
Outer  
Center  
Conductor  
SUS  
Conductor  
Conductor  
Au  
Conductor  
Au  
Au  
30  
28.9  
Finish  
Finish  
Part Number  
NJ-DMJ-CF  
Part Number  
NP-DMP-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
Au  
Au  
Au  
Au  
4-φ3.2  
4-φ3.2  
2
10.5  
2
17.5  
30.0  
18.24  
□25.4  
13.4  
18.24  
28.7  
42.1  
□25.0  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Ni  
Conductor  
Conductor  
Ni  
Conductor  
NJ-DMJ-PA-1-CF  
Au  
NJ-DMJ-PA-2-CF  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
5
Unit:mm  
RF Adapter  
○N to SSMB  
Finish  
Part Number  
Outer  
Center  
Conductor  
N:Ni  
Conductor  
NJ-PA-SSMBJ-CF  
Au  
SSMB:Au  
11.5  
16.7  
3
18.24  
□25  
19.5  
36.2  
○N to PDM  
4-φ4  
4-φ4  
8.5 7.5  
16  
2
8.5 7.5  
16  
2
19.5  
20  
□26  
26.4  
42.4  
18.24  
□25  
35.5  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Ni  
Conductor  
Conductor  
Ni  
Conductor  
Au  
NJ-PA-PDMJ-CF  
Au  
NP-PA-PDMJ-CF  
4-φ4  
8.5 7.5  
16  
2
18.24  
□25  
A
L
Finish  
Part Number  
A
L
Outer  
Center  
Conductor  
Conductor  
Au  
NJ-PA-PDMJ-3-CF  
NJ-PA-PDMJ-4-CF  
NJ-PA-PDMJ-5-CF  
30.6  
24.6  
24.0  
46.6  
40.6  
42.0  
Ni  
Ni  
Ni  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
6
Unit:mm  
RF Adapter  
○S to S  
(34.0)  
17.5  
Finish  
Part Number  
S-LA-CF  
Outer  
Center  
Conductor  
Ni  
Conductor  
Ag  
○S to DM  
4-φ3  
4-φ3.2  
3
12.7  
□17.5  
16.7  
26.2  
2
10  
17.7  
□25  
31.9  
42  
Finish  
Outer Center  
Finish  
Part Number  
Note  
Part Number  
Outer  
Center  
Conductor Conductor  
Conductor  
Ag  
Conductor  
Ag  
SJ-PA-DMJ-CF  
SJ-PA-DMJ-D2-CF  
Ag  
Ni  
Ag  
Au  
with Frange, O-ring  
with Frange, O-ring  
SJ-PA-DMJ-1-CF  
4-φ3.5  
Finish  
Part Number  
Outer  
Center  
Conductor  
Ni  
Conductor  
Au  
SJ-PA-DMJ-2-CF  
2
19.6  
30.2  
17.7  
□25  
○S to TNC  
4-φ3.3  
Finish  
Part Number  
Outer  
Center  
Conductor  
Conductor  
SJ-PA-TNCJ-CF  
Ni  
Au  
2
16  
19  
17.7  
□25  
37  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
7
Unit:mm  
RF Adapter  
BNC to BNC  
34.0  
32.6  
Finish  
Finish  
Part Number  
Part Number  
BNC-A-JJ-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Ag  
Conductor  
Ag  
BNC-A-PP-CF  
BNC-A-PP-Ni-CF  
Ag  
Ag  
Ni  
BNC-A-JJ-NiCAu-CF  
Ni  
Au  
+0.1  
0
4-φ3.0  
4-φ3  
+0.1  
0
φ11.5  
15.8  
2.3  
12.7  
□17.5  
34.0  
±0.05  
12.7  
Panel Mounting Dimensions  
Finish  
Part Number  
Outer  
Center  
Conductor  
Ag  
Conductor  
BNC-PA-JJ-CF  
BNC-PA-JJ-Ni-CF  
BNC-PA-JJ-NiCAu-CF  
Ag  
Ag  
Au  
Ni  
Ni  
+0.1  
0
4-φ3.0  
4-M2.6  
+0.1  
0
φ11.5  
12.7  
□17.5  
12.7  
32.5  
2.3  
±0.05  
12.7  
Panel Mounting Dimensions  
Finish  
Part Number  
UG-414/U-CF  
Outer  
Center  
Conductor  
Conductor  
Ag  
Ag  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
8
Unit:mm  
RF Adapter  
BNC to BNC  
+0.1  
0
12.4  
18.8  
12.4  
φ13.0  
17.4  
34.0  
Panel Mounting Dimensions  
Part Number  
Panel Thickness:1.5 ~ 3.6  
Finish  
Outer  
Center  
Conductor  
Ag  
Conductor  
Ag  
BNC-AB-JJ-CF  
BNC-AB-JJ-Ni-CF  
Ni  
Ag  
+0.1  
0
φ13.0  
17.4  
36.2  
Panel Mounting Dimensions  
Part Number  
Panel Thickness:1.5 ~ 5.0  
Finish  
Outer  
Center  
Conductor  
Conductor  
UG-492/U-CF  
Ag  
Ag  
※ Harmetic Seal  
Finish  
Part Number  
Outer  
Center  
Conductor  
Conductor  
BNC-LA-CF  
BNC-LA-Ni-1-CF  
Ag  
Ni  
Ag  
Ag  
26.0  
32.5  
32.5  
Finish  
Finish  
Part Number  
Part Number  
BNC-TA-JPJ-CF  
BNC-TA-JPJ-Ni-CF  
BNC-TA-JPJ-NiCAu-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Ag  
Conductor  
Ag  
BNC-TA-JJJ-CF  
BNC-TA-JJJ-Ni-CF  
Ag  
Ni  
Ag  
Ag  
Ni  
Ni  
Ag  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
9
Unit:mm  
RF Adapter  
○ BNC to TNC  
6
14.0  
14.0  
30.0  
34.0  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Ag  
Conductor  
Ag  
BNCJ-TNCP-CF  
Ag  
BNCJ-TNCJ-CF  
33.0  
38.0  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
BNCP-TNCP-CF  
Ag  
Ag  
BNCP-TNCJ-CF  
Ag  
Ag  
BNC to DM  
29.5  
31.9  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
BNCP-DMP-CF  
Au  
Au  
BNCP-DMJ-CF  
Au  
Au  
34.5  
33.6  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
BNCJ-DMP-CF  
Au  
Au  
BNCJ-DMJ-CF  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
10  
Unit:mm  
RF Adapter  
TNC to TNC  
4-φ3  
Finish  
Part Number  
Outer  
Center  
Conductor  
Ni  
Conductor  
Ag  
TNC-PA-JJ-D1-CF  
12.7  
□17.5  
34.0  
BNC to 27D  
34.0  
36.9  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Ag  
Conductor  
Conductor  
Conductor  
BNCJ-27DSJ-CF  
Ag  
BNCP-27DPJ-CF  
Ag  
Au  
TNC to DM  
26.7  
25.4  
Finish  
Finish  
Part Number  
TNCJ-DMJ-CF  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
Au  
Au  
DMP-TNCJ-CF  
Au  
Au  
29.5  
32.0  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
TNCP-DMJ-CF  
Au  
Au  
TMCP-DMP-CF  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
11  
Unit:mm  
RF Adapter  
DM to Y90  
14.0  
16.5  
Finish  
Finish  
Part Number  
DMP-Y90J-CF  
Part Number  
DMP-Y90P-CF  
Outer  
Center  
Outer  
Center  
Conductor  
Au  
Conductor  
Conductor  
Au  
Conductor  
Au  
Au  
DM to LPC  
Finish  
Part Number  
DMJ-LPCP  
Outer  
Center  
Conductor  
Conductor  
SUS  
Au  
18  
DM to SSMB  
14.93  
16.0  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMJ-SSMBJ-CF  
Au  
Au  
DMP-SSMBJ-CF  
Au  
Au  
15.7  
16.8  
FInish  
Finishꢀ  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMJ-SSMBP-CF  
Au  
Au  
DMP-SSMBP-CF  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
12  
Unit:mm  
RF Adapter  
DM to PDM  
26.17  
18.47  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Ni  
Conduuctor  
Conductor  
Ni  
Conductor  
Au  
DMJ-SA-PDMP-CF  
Au  
DMJ-SA-PDMJ-CF  
27  
19.4  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMP-SA-PDMP-CF  
Ni  
Au  
DMP-SA-PDMJ-CF  
Ni  
Au  
DM to PMA  
30.25  
25.1  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Au  
Conductor  
Conductor  
Conductor  
DMP-SA-PMAP-CF  
Au  
DMP-SA-PMAJ-CF  
Au  
Au  
31.5  
27.13  
Finish  
Finish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMJ-SA-PMAP-CF  
Au  
Au  
DMJ-SA-PMAJ  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
13  
Unit:mm  
RF Adapter  
DM to PLF  
31.2  
33.6  
Finish  
FInish  
Part Number  
Part Number  
DMJ-SA-PLFJ  
Outer  
Center  
Outer  
Center  
Conductor  
Au  
Conductor  
Conductor  
Au  
Conductor  
Au  
DMJ-SA-PLFP-CF  
Au  
32.2  
34.6  
Finish  
FInish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMP-SA-PLFP-CF  
Au  
Au  
DMP-SA-PLFJ-CF  
Au  
Au  
DM to PSD  
2-HEX:7  
8HEX  
(13.5)  
(12.4)  
Finish  
FInish  
Part Number  
Part Number  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMP-SA-PSDP  
Au  
Au  
DMJ-SA-PSDP  
Au  
Au  
2-HEX:7  
8HEX  
(13.2)  
(14.2)  
Finish  
FInish  
Part Number  
Part Number  
DMJ-SA-PSDJ  
Outer  
Center  
Outer  
Center  
Conductor  
Conductor  
Conductor  
Conductor  
DMP-SA-PSDJ  
Au  
Au  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
14  
Unit:mm  
RF Adapter  
DM to DM  
6.0 3.0 6.0  
15.0  
5.6  
8.0  
22.0  
8.0  
Finish  
Finish  
Outer  
Part Number  
Part Number  
DM-A-JJ-CF  
Outer  
Center  
Center  
Conductor  
Au  
Conductor  
Au  
Conductor  
Au  
Conductor  
Au  
DM-A-PP-CF  
18.5  
Finish  
Part Number  
Outer  
Center  
Conductor  
Conductor  
DM-LA-CF  
DM-LA-JP-CF  
Au  
Ni  
Au  
Au  
4-φ2.7  
1.65  
A
7.85  
8.64  
□12.7  
L
Finish  
Part Number  
A
L
Outer  
Center  
Conductor  
Au  
Conductor  
DM-PA-JJ  
DM-PA-JJ-3-CF  
7.85  
10.9  
17.35  
20.4  
Au  
Ag  
Ag  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
15  
Unit:mm  
RF Adapter  
DM to DM  
2-1/4-36UNS-2A  
3-1/4-36UNS-2A  
1/4-36UNS-2A  
23  
23  
Finish  
Finish  
Part Number  
DM-TA-JJJ  
Part Number  
DM-TA-JPJ  
Outer  
Center  
Outer  
Center  
Conductor  
Au  
Conductor  
Conductor  
Au  
Conductor  
Au  
Au  
2-1/4-36UNS-2A  
2-1/4-36UNS-2B  
1/4-36UNS-2B  
1/4-36UNS-2A  
(24)  
(25)  
Hex Dia. 8  
2- Hex Dia. 8  
Finish  
Finish  
Part Number  
DM-TA-PJJ  
Part Number  
DM-TA-PJP  
Outer  
Center  
Outer  
Center  
Conductor  
Au  
Conductor  
Conductor  
Au  
Conductor  
Au  
Au  
2-1/4-36UNS-2B  
3-1/4-36UNS-2B  
1/4-36UNS-2A  
(24)  
(25)  
2- Hex Dia. 8  
3- Hex Dia. 8  
Finish  
Finish  
Part Number  
DM-TA-PPJ  
Part Number  
DM-TA-PPP  
Outer  
Center  
Outer  
Center  
Conductor  
Au  
Conductor  
Conductor  
Au  
Conductor  
Au  
Au  
◎ Specifications and/or dimensions in this catalog are subject to change without notice.  
ꢀYour checking the latest specifications with our drawings would be highly appreciated.  
http://www.ddknet.co.jp  
16  

相关型号:

BNC-AB-JJ-NI

Conversion Connector
DDK

BNC-AB-JJ-Ni-CF

RF ADAPTERS
DDK

BNC-B-18

Interconnection Device
POMONA

BNC-B-24

Interconnection Device
POMONA

BNC-B-36

Interconnection Device
POMONA

BNC-B-48

Interconnection Device
POMONA

BNC-B-60

Interconnection Device
POMONA

BNC-BPA-JJ(40)

RF Connector Adapter
HRS

BNC-BPJ-1.5-1

RFCO-AXIAL CONNECTORS
HRS

BNC-BPJ-1.5-1(40)

Bayonet lock coupling, Standard coaxial connectors; HRS No: 302-0252-0 40; Connector Type: Panel; Contact Gender: Female; Applicable Cable: 1.5D-2V; Termination Style: Soldering; Impedance (ohm): 50; Frequency Range (GHz): 0 to 4; Mating/Unmating Cycles: 1000; Contact Mating Area Plating: Gold; Operating Temperature Range (degrees C): -30 to 85; Generic Name: BNC; General Description: Panel jack; Bayonet lock coupling
HRS

BNC-BPJ-1.5DV(40)

Bayonet lock coupling, Standard coaxial connectors; HRS No: 302-0393-2 40; Connector Type: Panel; Contact Gender: Female; Applicable Cable: 1.5D-2V,1.5D-HQEV,1.5D-QEV; Termination Style: Soldering; Impedance (ohm): 50; Frequency Range (GHz): 0 to 1; VSWR (Max): 1.2; Mating/Unmating Cycles: 500; Contact Mating Area Plating: Gold; Operating Temperature Range (degrees C): -30 to 85; Generic Name: BNC; General Description: Panel jack; Bayonet lock coupling
HRS

BNC-BPJ-1.5DW(40)

Bayonet lock coupling, Standard coaxial connectors; HRS No: 302-0400-6 40; Connector Type: Panel; Contact Gender: Female; Applicable Cable: 1.5D-2W,1.5D-HQEW,1.5D-QEW; Termination Style: Soldering; Impedance (ohm): 50; Frequency Range (GHz): 0 to 2; VSWR (Max): 1.2; Mating/Unmating Cycles: 500; Contact Mating Area Plating: Gold; Operating Temperature Range (degrees C): -30 to 85; Generic Name: BNC; General Description: Panel jack; Bayonet lock coupling
HRS