High speed transmission, 1mm pitch Small Interface Connector

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Gerard Williamson
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High speed transmission, mm pitch Small Interface Connector DH Series Overview mm contact

density alternate to conventional half pich interface connectors.

$(Metal Button) One Touch Lock Type (Plastic Button) Features BVi^c\ [VXZ VgZV.$ $Small Design Approx 50% reduced DXM Series DH Series dckzci^dcvað\zczgva ejgedhz ]Va[ e^ix]$ $- BVi^c\ e^ix]/&#',bb.$ $Robust design Receptacle BVi^c\ e^ix]/&#%bb Robust design resists wrenching D-shaped$

1 High speed transmission, mm pitch Small Interface Connector DH Series Overview mm contact mating pitch together with a mm mounting pitch yields a more compact, lower profile, higher density alternate to conventional half pich interface connectors. 4 different lock styles are available to meet various applications. Screw Lock Type (Locked with screwdriver) Screw Lock Type (Hand-screw) One Touch Lock Type (Metal Button) One Touch Lock Type (Plastic Button) Features BVi^c\ [VXZ VgZV. Small Design Approx 50% reduced DXM Series DH Series dckzci^dcvað\zczgva ejgedhz ]Va[ e^ix] inez (&,#' #&+ '+ edh# (% ', ed h# Bdjci^c\ e^ix]/ %#*bb HBI )#-.#( DH Series is an impedance controlled interface connector for high speed transmission. - BVi^c\ e^ix]/&#',bb. Robust design Receptacle BVi^c\ e^ix]/&#%bb Robust design resists wrenching D-shaped opening. Plug PCB Retention Force I]gdj\] ]daz bdjci^c\ [dg h]zaa VcY bziva [^ii^c\ ^cxgzvhzh E7 gzizci^dc [dgxz# M screw Secure Panel Attachment (optional) l^i] ZVhn id jhz ]ZmV\dc hdx`zih# Robust & Secure Screw Lock I^\]iZc^c\ idgfjz/%#%+ id %#%, CÐb bvm 04. w

$Excellent Shielding for EMI Prevention Grounding Structure Panel Metal Shielding dbbdc XdbedcZci jhzy [dg Wdi] ide VcY Wdiidb h]^zay^c\ :Vhn VhhZbWan PCB 4.$

2 DH Series High speed transmission, mm pitch Small Interface Connector 3. Excellent Shielding for EMI Prevention Grounding Structure Panel Metal Shielding dbbdc XdbedcZci jhzy [dg Wdi] ide VcY Wdiidb h]^zay^c\ :Vhn VhhZbWan PCB 4. Wide variation There are various variations corresponding to the usage. Lock variation receptacle Lock type Cover case Item Specification /Part number Screw lock Screwdriver type DH-**-CVB Hand-screw type DH-**-CVB Item Connector DH60-**P / DH0-**P Part number Applicable panel thickness(mm) Number of washers.4 to to. (t=0.4) to 0.mm (t=0.6) No panel (t=0.) Panel lock Part No. DH-LNA DH-LNA-W4 DH-LNA-W DH-LNA-W6 Metal button DH-**-CTB Connector DH60A-**P / DH0A-**P One touch lock Plastic button DH-**-CTB *Screw lock type and One touch lock type does not mate together. Common part Plug Lock type Clamp metal Connector Item No. of pos. Specification / Part number 7 IDC type Screw lock Cable spec. Outer dia. Construction Part No. Twinax cable 0. to 0.9 7/0.7 DH30B-**S Twisted pair cable 0.64 to 0.6 (AWG#) DH3B-**S solder type DH40-**S (Developing Pin-variation of the above item is under planning. One touch lock Please consult HRS sales.) *The figure in ( ) clamp part number is equal to the cable's outer diameter. 7 Part No. DH-7-CMB(6.3) DH-7-CMB(6.9) DH-7-CMB(7.3) 37 DH-37-CMB(.) 5 DH-5-CMB(9.6)

High Speed Data Transmission This data is for reference only.

Assignment G:ground S:Signal Pair B G-S-S-G Pair A G-S-S-G Pair

3 DH Series High speed transmission, mm pitch Small Interface Connector 5. High Speed Data Transmission This data is for reference only. The data can differ due to cable or PCB used in evaluation. Eye Diagram [ CH-CH ] 500Mbps Gbps.5Gbps VWaZ/&%b VWaZ/*b VWaZ/'b Measurement Condition Pin Assignment G:ground S:Signal Pair B G-S-S-G Pair A G-S-S-G Pair A EjahZ EViiZgc <ZcZgVidg Pair B DhX^aadhXdeZ Measurement Condition ÐBZVhjgZbZci EV^g/9Z[ZgZci^Va EV^g 6 ÐVWaZ/Il^cVm XVWaZ Ð>ceji h^\cva kdaiv\z/*%%bk VWaZ azc\i] 3

4 DH Series High speed transmission, mm pitch Small Interface Connector Specifications Current rating Voltage rating Ratings Item.Contact resistance.insulation resistance 3.Withstanding voltage 4.Insertion and with drawal forces Specification 50mø max.(idc type) 65mø max.(solder type) 000Mø min. No flashover or insulation breakdown 7pos. 7pos. 37pos. 5pos. Insertion f. 5N max. 30N max. 36N max. 43N max. with drawal f..6n min. 3N min. 3.3N min. 3.N min. 6.Vibration 7.Shock.Temperature cycle 9.Humidity (Steady state) 0.Salt spray test 5ç to +5ç 5ç to +60ç Operating temperature range Storage temperature range 5.Durability A 5 V AC Conditions 00mA(DC or,000hz) 00 V DC 50 V AC/minute Measured by applicable connector. ➀Contact resistance:70mø max.(idc type) 5mø max.(solder type) ➁No damage, cracks or parts dislocation. 000 cycles ➀No electrical discontinuity of 0µs or longer. ➁No damage, cracks or parts dislocation. Frequency:0 to 50Hz, single amplitude of 0.75mm, 5min/cycle, total 0 cycles. Acceleration of 490m/s, ms duration, sine half-wave waveform, 3 cycles in each of the 3 axis. ➀Contact resistance:70mø max.(idc type) 5mø max.(solder type) ➁No damage, cracks or parts dislocation. ➀Insulation resistance:00mømin. ➁No damage, cracks or parts dislocation. ➀Contact resistance:00mø max. Excludes wire conductor resistance. Temperature: -55ç/+5ç to +35ç/+5ç/5ç to+35ç Time:30/5/30/5(Minutes) 5cycles 96 hours at 40ç And RH 90% to 95%. 5% salt water solution for 4 hours. *Unless otherwise specified, refer to JIS C 540 Materials Products Screw lock type receptacle connector (DH60-**P / DH0-**P) One Touch Lock Type Receptacl connector (DH60A-**P / DH0A-**P) Plug connector (DH3*B-**S) Screw lock type cover case (DH-**-CVB) Lock type cover case (DH-**-CVB) One Touch Lock Type metal button cover case (DH-**-CTB) One Touch Lock Type plastic button cover case (DH-**-CTB) Lock screw (DH-LNA***) Metal clamp(dh-cmb(**)) 4 Components Material Finish Remarks Insulator Contacts Shell Metal fitting Insulator Contacts Shell Metal fitting Metal grounding post Insulator Contacts Rear insert Shell Cover Shield Screw lock Tapping screw Cover Shield Screw lock Screw insulator Tapping screw Cover Shield Lock spring Tapping screw Cover Shield Lock spring Button Tapping screw Screw lock Waher Spring washer Metal clamp Polyamide resin Copper alloy Stainless steel Stainless steel Polyamide resin Copper alloy Stainless steel Brass Steel Polyamide resin Copper alloy PBT resin Stainless steel Polycarbonate resin Stainless steel Steel Steel Polycarbonate resin Stainless steel Steel Polyamide resin Steel Polycarbonate resin Stainless steel Stainless steel Steel Polycarbonate resin Stainless steel Stainless steel Polycarbonate resin Steel Steel Steel Steel Brass Black Selective gold plated Tin plated Selective Tin plated Black selective gold plated Tin plated Tin plated Nickel plated Black Selective gold plated Black,Natural Nickel plated Black Nickel plated Nickel plated Black chromate(cr+3) Black Nickel plated Nickel plated Black Black chromate(cr+3) Black Nickel plated UL94V-0 --Black chromate(cr+3) Black Nickel plated --Black Black chromate(cr+3) Nickel plated Nickel plated Nickel plated UL94V UL94V-0 --UL94V-0 --UL94V UL94V UL94V-0 --UL94V UL94V UL94V

5 DH Series High speed transmission, mm pitch Small Interface Connector Screw lock type 5 0. Receptacle connector 4 [7pos. DH60-7P] Right angle type 9.. No. No. No. No No.7 No.6. Ø 9(BOSS PITCH) 9.(CLAMP METAL PITCH) No.0 No [7pos. DH60-7P] No.3 No.4 M No. No. No.7 No.6. Ø 4(BOSS PITCH) 4.(CLAMP METAL PITCH) No.5 No [37pos. DH60-37P] 9.. No. No. No. No.9 M No.0 No. Ø No.37 No M (BOSS PITCH) 9.(CLAMP METAL PITCH) 34. 5

6 DH Series High speed transmission, mm pitch Small Interface Connector [5pos. DH60-5P] No.5 No.6 M No. No. 0. No.7 No. Ø No.5 No (BOSS PITCH) 36.(CLAMP METAL PITCH) 4. Straight type [7pos. DH0-7P] Ø No.3 No.4 M No.5 No.6 6 No.7 No No. 0. No.

7 DH Series High speed transmission, mm pitch Small Interface Connector Lock screw [Applicable panel thickness.4 to.6mm:dh-lna] [Applicable panel thickness 0.9 to.mm:dh-lna-w4] M 0.4 M M [Applicable panel thickness to 0.mm:DH-LNA-W] [No panel:dh-lna-w6] M M M 0.4 M M

DH Series High speed transmission, mm pitch Small Interface Connector Cover case Screw lock [7pos. DH-7-CVB] Note. 3 This product is delivered separately.

8 DH Series High speed transmission, mm pitch Small Interface Connector Cover case Screw lock [7pos. DH-7-CVB] Note. 3 This product is delivered separately. A recommended screw tightening torque to lock screw(dh-lna***) should be from 0.06 to 0.07N m. A recommended screw tightening torque for covers to be from 0. to N m.. Ø [7pos. DH-7-CVB]. Ø

9 DH Series High speed transmission, mm pitch Small Interface Connector [37pos. DH-37-CVB] 3 0. Ø [5pos. DH-5-CVB]. Ø

10 DH Series High speed transmission, mm pitch Small Interface Connector Hand screw Ø7. [7pos. DH-7-CVB] Note. This product is delivered separately. A recommended screw tightening torque to the lock screws to be from 0.06 to 0.07N m. 3 A recommended screw tightening torque for covers to be from 0. to N m *Available in the near future Ø. [7pos. DH-7-CVB] *Available in the near future

11 DH Series High speed transmission, mm pitch Small Interface Connector Ø 0. 3 [37pos. DH-37-CVB] *Available in the near future. [5pos. DH-5-CVB] Ø *Available in the near future

12 DH Series High speed transmission, mm pitch Small Interface Connector One Touch Lock Type Receptacle connector Right angle type 5. 4 [7pos. DH60A-7P] M No. No.9.. No. No. No.0 No [7pos. DH60A-7P] No.7 No Ø 9(BOSS PITCH) 9.(CLAMP METAL PITCH) 4.. No.3 No.4 M No.5 No.6 No.7 No Ø 4(BOSS PITCH) 4.(CLAMP METAL PITCH) [37pos. DH60A-37P] No. No. 7. No. No No. No. 0. No.0 No. Ø No.37 No (BOSS PITCH) 9.(CLAMP METAL PITCH) M

DH Series High speed transmission, mm pitch Small Interface Connector [5pos. DH60A-5P] 4. 5 34. No.5 No.6 3. 9. No. No. 4. 3.6 M 0.4 No.7 No. Ø No.5 No.50 0.95 0.9.6 0..56 0.

13 DH Series High speed transmission, mm pitch Small Interface Connector [5pos. DH60A-5P] No.5 No No. No M 0.4 No.7 No. Ø No.5 No (BOSS PITCH) 36.(CLAMP METAL PITCH) 4. Straight type [7pos. DH0A-7P] Ø No.3 No.4 0. No. No. No.5 No.6 No.7 No.6 M

14 DH Series High speed transmission, mm pitch Small Interface Connector Cover case Metal button type [7pos. DH-7-CTB] Note. This product is delivered separately. A recommended screw tightening torque for covers to be from 0. to N m.. Ø [7pos. DH-7-CTB]. Ø

15 DH Series High speed transmission, mm pitch Small Interface Connector [37pos. DH-37-CTB] Ø [5pos. DH-5-CTB]. Ø

16 DH Series High speed transmission, mm pitch Small Interface Connector Plastic button type [7pos. DH-7-CTB] Note. This product is delivered separately. A recommended screw tightening torque for covers to be from 0. to N m.. Ø [7pos. DH-7-CTB] Ø

17 DH Series High speed transmission, mm pitch Small Interface Connector [37pos. DH-37-CTB] 0.3 Ø [5pos. DH-5-CTB]. Ø

DH Series High speed transmission, mm pitch Small Interface Connector Plug unit IDC type No.9 No. No. No. No.9 4..35 No.7 7 Bundled parts No. No. No. No.. No.0 6.0 No.7 No.0 No.6 No.0 No.7 No. No.6 6.

18 DH Series High speed transmission, mm pitch Small Interface Connector Plug unit IDC type No.9 No. No. No. No No.7 7 Bundled parts No. No. No. No.. No No.7 No.0 No.6 No.0 No.7 No. No No.9 No [7pos. DH30B-7S] [7pos. DH30B-7S,DH3B-7S] No.3 No. No.4 No No.4 No Bundled parts No.7 No No.5 No.7 No. No.5 No.6 No.6 No.6 No.6 No.7 No.5 6. No. 6. No *Hole diameter in the holder for DH30B-7S and DH3B-7S are different.. 6.0

19 DH Series High speed transmission, mm pitch Small Interface Connector No.9 No. No. No. No No. No. No. No.37 No.0 No.36 No.0 No.37 No No No Bundled parts No. No.0 No No. [5pos. DH30B-5S] No.5 No. No.6 No No.6 No Bundled parts No.5 No.7 No.6 No. No. No No.50 No. No.5 No.7 No No No. 3.9 No.5 6. [37pos. DH30B-37S] 9

65 9.55 DH40 No.7 No.5. 5.7 No.7 No.6 No.5 No.6 [37pos. DH40-37S] No.9 4.

20 DH Series High speed transmission, mm pitch Small Interface Connector Solder contact type [7pos. DH40-7S] No.4 No.3 No.4 No. No. No DH40 No.7 No No.7 No.6 No.5 No.6 [37pos. DH40-37S] No No. No. No. No. No DH40 No No No.0 No. No.37 No.36

21 DH Series High speed transmission, mm pitch Small Interface Connector Metal clamp [7pos. DH-7-CMB(6.9)] (Cable outer diameter 6.9mm) R [37pos. DH-37-CMB(.)] (Cable outer diameter.mm) [7pos. DH-7-CMB(7.3)] (Cable outer diameter 7.3mm) R4.5 R3.35 R R4 R R4. R [7pos. DH-7-CMB(6.3)] (Cable outer diameter 6.3mm)

22 DH Series High speed transmission, mm pitch Small Interface Connector [5pos. DH-5-CMB(9.6)] (Cable outer diameter 9.6mm).4 3. R5 R

23 DH Series High speed transmission, mm pitch Small Interface Connector Recommended PCB Mounting pattern DH60-**P, DH60A-**P A B C D R R -.5(Land) ) TH 4(. Ø R R PAD FOR TERMINAL PAD FOR SHELL -.55(TH) -3.55(Land).9 -(Land) P= (TH) -.65(Land) E F :PATTERN PROHIBITION AREA :REFERENCE PLANE POSITION (PATTERN PROHIBITION AREA).5 -(Land) Ø - Ø. ( HO LE ).3 POSITIONING HOLE PCB END A DH60-7P DH60A-7P DH60-7P DH60A-7P DH60-37P DH60A-37P DH60-5P DH60A-5P B C D E F DH0-7P 6 Ø. (TH ) nd La.( Ø3 ) No. No PAD FOR TERMINAL No.3 No.4.6(Land) (TH) ole ) Ø (H. 6.5 No.5 No.6 DH0A-7P POSITIONING HOLE No.7 No H) (T. Ø 0.65(TH).5(Land) PAD FOR SHELL Ø.4 (L an d PAD FOR SHELL ) No. No PAD FOR TERMINAL No.3 No.4.6(Land) (TH) No.5 No No.7 No (TH).5(Land) POSITIONING HOLE ) (H ole Ø Unit:mm 3- Terminal No.chart DH60-**P, DH60A-**P No. No.(N+3)/ No. No.(N+5)/ D No.(N+)/ No.N No.(N-)/ No.(N-) *N:Number of positions 3

24 DH Series High speed transmission, mm pitch Small Interface Connector Panel cutout Screw lock type Panel cutout for reference (Right angle type, Straight type) (The dimension is specified based on the center of the connector interface) DH- NA(C ) A B PCB UNT N U FAC P T N *Please set piercing R as less than R. DH- NA- 4(C ) DH- NA- (C ) DH- NA- 6(C ) C D. PCB UNT N U FAC P T N A B C D dimension table *Please set piercing R as less than R. Unit:mm Number of contacts A B C D Connector mounted on PCB (For example, panel thickness is.6mm) *The drawing is shown sample of DH60-7P. PCB *LOCK SCREW (DH-LNA) PANEL PCB.5 PANEL PCB t= PCB MOUNTING SURFACE Panel cutout for reference *An attachment to the panel needs screws shown in the table below. Applicable panel thickness(mm) Part No. Code No..4 to.6 DH-LNA to. DH-LNA-W to 0. DH-LNA-W No panel DH-LNA-W *The recommended screw tightening torque to be from 0. to 0.3 N m 4 PANEL BACKSIDE PCB MOUNTING SURFACE *PANEL t=.6 *PANEL t= PANEL BACKSIDE PCB t=.6 *DH0-7P

25 DH Series High speed transmission, mm pitch Small Interface Connector One Touch Lock Type Panel cutout for reference (Right angle type, Straight type) (The dimension is specified based on the center of the connector interface) A B. R - *Please set the draft R for process as max R. A B dimension table Unit:mm Number of contacts A B Connector mounted on PCB *DH60A-7P is representative examples. t=.6 MAX *SCREW FOR INSTALATION PANEL PANEL BACKSIDE PCB MOUNTING SURFACE *SCREW FOR INSTALATION Ø PANEL PCB MOUNTING SURFACE PCB t=.6max PANEL BACKSIDE PCB t=.6 *DH0A-7P PCB *Installation with the panel must use a dedicated screw. Purchase:qHRS part No.[DH60A-SCREW] CL No.[CL ] wnittoseiko Co., Ltd. [FINE PAN HEAD MACHINE SCREW TYPES] *SCREW FOR INSTALATION Ø3.5 *Installation with the panel must use a dedicated screw. Purchase:qHRS part No.[DH0A-SCREW] CL No.[CL ] wnittoseiko Co., Ltd. [FINE PAN HEAD MACHINE SCREW TYPES] *SCREW FOR INSTALATION Ø3.5 M PCB t=.6 PCB MOUNTING SURFACE POSITION M

26 DH Series High speed transmission, mm pitch Small Interface Connector Applicable tools Part No. Process Cable end processing CL No. manual work Upper level wire arranging 3 Upper level press fitting 4 Lower level wire arranging wire arranging tool : DH/CA-MO CL Lower level press fitting 6 Cable cutting 7 IDC manual work(nipper etc.) ➀ IDC clamping tool:dh/idck-mp CL ➁ attachment for 7pos:DH-7UNIT CL90-6- attachment for 7pos:DH-7UNIT CL attachment for 37pos:DH-37UNIT CL90--3 attachment for 5pos:DH-5UNIT CL ➂ HI-FLEX termination press (Select appropriate attachment of each pin count from ➁.) Cable clamping ➀ IDC clamping tool:dh/idck-mp CL ➁ attachment for DH-7-CMB(6.3):DH-7-CMB(6.3)UNIT CL attachment for DH-7-CMB(6.9):DH-7-CMB(6.9)UNIT CL attachment for DH-7-CMB(7.3):DH-7-CMB(7.3)UNIT CL90-9- attachment for DH-37-CMB(.):DH-37-CMB(.)UNIT CL attachment for DH-5-CMB(9.6):DH-5-CMB(9.6)UNIT CL ➂ HI-FLEX termination press (Select appropriate attachment of each pin count from ➁.) 9 Cover attaching CL CL manual work(torque driver etc.) *Customers already having HI-FLEX termination press can apply it to this product assembly. *Each ➀ and ➂ of 7. IDC and. Clamping are the same tools. All the parts ➀, ➁ and ➂ are required for each 7. IDC and. Clamping processes for mass-production. 6

27 DH Series High speed transmission, mm pitch Small Interface Connector MEMO : 7

28 DH Series High speed transmission, mm pitch Small Interface Connector Powered by TCPDF ( USA: HIROSE ELECTRIC (U.S.A.), INC. Headquarters 6 Westhills Court, Simi Valley, CA Phone : Fax : USA: HIROSE ELECTRIC (U.S.A.), INC. San Jose Office 355 Scott Boulevard, Building 7, Suite 0 Santa Clara, CA Phone : Fax : USA: HIROSE ELECTRIC (U.S.A.), INC. Detroit Office (Automotive) Professional Center Drive, Suite #00C Livonia, MI 454 Phone : Fax : THE NETHERLANDS: HIROSE ELECTRIC EUROPE B.V. Hogehillweg # 0 CC Amsterdam Z-O Phone : Fax : GERMANY: HIROSE ELECTRIC EUROPE B.V. German Branch Herzog-Carl-Strasse 4 D Ostfildern (Scharnhauser Park) Phone : Fax : UNITED KINGDOM: HIROSE ELECTRIC EUROPE B.V. UK Branch Vincent Avenue, Crownhill Business Centre, Crownhill, Milton Keynes, MK 0AB Phone : Fax : CHINA: HIROSE ELECTRIC TRADING (SHANGHAI) CO., LTD. 60,Henderson Metropolitan,NO.300,East Nanjing Road,Huangpu District, Shanghai,China 0000 Phone : Fax : CHINA: HIROSE ELECTRIC TRADING (SHANGHAI) CO., LTD. Beijing Branch A00, Ocean International Center, Building 56# East 4th Ring Middle Road, Chao Yang District, Beijing, 0005 Phone : Fax : CHINA: HIROSE ELECTRIC TECHNOLOGIES (SHENZHEN) CO., LTD. Room 09-3, 9/F, Office Tower Shun Hing Square, Di Wang Commercial Centre 500, ShenNanDong Road, ShenZhen City, Guangdong Province, 500 Phone : Fax : HONG KONG: HIROSE ELECTRIC HONGKONG TRADING CO., LTD. Room 00, West Wing, Tsim Sha Tsui Centre, 66 Mody Road, Tsim Sha Tsui East, Kowloon, Hong Kong Phone : Fax : TAIWAN: HIROSE ELECTRIC TAIWAN CO., LTD. 03 F, No.7, Zhengzhou Rd., Taipei Phone : Fax : KOREA: HIROSE KOREA CO., LTD. 6-0, Jeoungwhang-Dong, Shihung-City, Kyunggi-Do Phone : ,74 Fax : SINGAPORE: INDIA: HIROSE ELECTRIC SINGAPORE PTE. LTD. Bangalore Liaison office HIROSE ELECTRIC SINGAPORE PTE. LTD. 0 Anson Road #6- International Plaza Unit No.03, Ground Floor, Explorer Building International Tech Park Whitefield Road, Bangalore Karnataka, India Phone : Phone : Fax : Fax : INDIA: HIROSE ELECTRIC SINGAPORE PTE. LTD Delhi Liaison Office Suite No th Floor SB Tower A/ Sector 6 A Filmcity Noida 030 Uttar Pradesh-India Phone : Fax : MALAYSIA: HIROSE ELECTRIC SINGAPORE PTE. LTD (Representative office) -0-07, Penang Cybercity (64),Lintang Mayang Pasir 3,950, Bayan Baru, Penang, Malaysia. Phone : Fax : ,Nakagawa Chuoh--Chome,Tsuzuki-Ku,Yokohama-Shi 4-540,JAPAN TEL: Fax: The characteristics and the specifications contained herein are for reference purpose. Please refer to the latest customer drawings prior to use. The contents of this catalog are current as of date of /04. Contents are subject to change without notice for the purpose of improvements.

High speed transmission, 1mm pitch Small Interface Connector

High speed transmission, 1mm pitch Small Interface Connector NEW High speed transmission, mm pitch Small Interface Connector DH Series Overview DH Series is an impedance controlled interface connector for high speed transmission. mm contact mating pitch together