Amphenol Micro-Pierce connectors general configuration 157 series |.D.C. termination features e Glass-filled polyester dielectric per- mits operation to 700 VDC at sea level without shorting or flashover. Dielectric resists cracking or chipping has high mechanical strength. Also low moisture absorption. |ron-copper contacts with plated gold over nickel for excellent current-car- rying characteristics up to 5 amps. Terminal area provides positive insu- lation-piercing, excellent electrical continuity as wiped-clean conductor cold-flows around engaging surface to form large contact area. @ Fioat-bushing mouting permits .020 radial float for easy mating. e Zinc-plated steel outer shell with clear chromate finish resists corro- sion. e Wide, flat mating surfaces are pressed tightly together by the flexing action of both contacts for protection against opens. Positive mating action wipes contacts clean, removes film or foreign materi- al for low contact resistance. e Trapezoidal shell assures correct po- wn ul Canadian Component Standards Recognitior Association FILE 64911 FILE LR 45516-14 157 series description Amphenoi 157 Micro-Pierce connectors combine the field-proven features and reliability of 57 series micro-ribbon solder-type connectors with the speed al and convenience of solderiess 4! termination. These versatile rack and panel, cable to panel, and cable to cable connectors are available in 14-, 24-, 36-, 50- and 64-contact configurations (ses factory for 64-pin option). Solderiess termination, as accamplisned using either hand or automatic termination equipment is fast. requires no special skill. yet results in reliable, virtually mistake-proof termination | because individual conductor Ff} preparation is not necessary. general specifications All Micro-Pierce Connectors Current capacity 5 amp per.contact Voltage rating 700 VDC at sea level 200 VDC at 70,000 ft. Operatin temperature | .-67F to +221F one 55C 10. +105C Wire sizes 22 and 26 AWG, solid. conductor so _ 26 and 28 AWG, stranded conductor Contacts Selectively plated 20 microinches gold : over 50 microinches nickel on.a.copper alloy base: Dielectric DPT UL94V-0 = Shells Zinc-plated steel with clear chromate coating. Trapezoidal shape assure positive polarization. *see factory for further information 3-Step Insulation Displacement 1. Prior to: conductor insertion. Termination is.agfast and easy-as 1 2-3 _ip-one, continuous operation. First, the insulation is pierced. Next,-in. the 3. Conductor bottomed in contact. transition area, the insulation is .cut.to complete separation. Finally, electrical contact is. made at the smooth engag- ing surface. 13Amphenol Micro-Pierce connectors 157 series 157 series rack-and-panel connectors order information t=G t 443 ner (14,30) CLEARANCE HOLE 1589114,81). MAX PLUG . ASS BLY INBUSHING 9.505 (12,68)/ MIN BUSHING ALLOWS 130 ax CONNECTOR TO ! FLOAT 018 MIN ANY RADIAL DIRECTION 370. MAX RECEPTACLE FROM MOUNTING TYPICAL 300 Mn aeseuBty IEEE type with .185 mounting hole. _ NTE e Vos IEEE type with .185 mounting hole ("4 mil um less float bushing. PLUG _ PY weeny oy EEE type. . f (a8 PL ed CLEARANCE (38 TAPPED : ine) | ww eLUG a sor owes wn 4 ne oe | Ae MTG IEEE mounting hardware 1 ol me SRECEPTACLE ey TYPESNUY (836) 408-153819 Inside panel mount hardware 35) includes two each studs, nuts, washers. 408-153818 Outside panel mount hardware dimensions includes two each studs, nuts, washers. 14 : ; : 24 : : oo y of 46.08 4.4 36 : 7 " 1G 50 : : 15 | 2.471 64 : Bt 3,278 NOTE: All rack and panel receptacle connectors have a float-bushing mount that permits .020 (.51mm) radial float for ease of mounting and connection. Connectors may be mounted above or below paneis (see cut-out drawings above) using #3 mounting screws. 157 series cable-to-panel connectors top cable entry type MAX CABLE DIA om PY . order information H - Seay Contacts | Plug (screw type hood) Receptacle LJ ye "14187-32140 | 187-42140__ ines aud bumwnees Gere. | 24 187-822400 157-42240 36 157-32360 | 157-42360 50 |: 157-32500 157-42500 _ dimensions Has .185 mounting hole. 14Amphenol Micro-Pierce connectors 157 series 157 series cable-to-panel connectors (cont.) top cable entry type (for overmold cable assemblies) order information Plugs: with bail latch ears for overmotd: cable assemblies Contacts Part Number 36 187-12360-5 (441) 50 ~ 47-12500-10 (441) dimensions 36 Contacts: Contacts in. mm | in. mm M 2.431 61.7513.025 76.84 ee Ye etd CS 610 MAX 400 MAX 515 MAX i : ~ {| i | | 855 MAX. 085 REF SCSI overmold hood kit for 50 position connectors This kit, including two hermaphroditic hood shells and a ferrule, reduces user pre-mold operations thus lowering labor costs. Also, the single crimp ferrule eliminates the need for an inner/outer crimp typical of other product offerings. applications For use with the following Amphenol connectors: 157-12500-10 (441) 157-12500-14 (441) 157-22500-14 (441) 157-42500 (441) Use suffix 508 for connector & over- mold hood combination kit, i.e., 157-12500-10-(608) order information Part Number: 157-1869-501 t pat . WU FERRULE .430/.460 Assembly Instructions: 1.) Slide ferrule over the cabie. 2.) Remove jacket insulation to appropri- ate length. 3.) Remove braid to appropriate length. 4.) Roll back braid over the jacket insu- lation. 5.) Terminate the connector. INSULATION FGF 550 ACROSS THE CORNERS (AFTER CRIMPING) C ) 485 ACROSS THE FLATS i | (AFTER CRIMPING yt ) 6.) Assemble the overmold hoods. 7.) Roll back braid over the hoods. 8.) Slide ferrule over the braid such that the braid is sandwiched between the hood and ferrule. 9.) Crimp the ferrule. 15Amphenol Micro-Pierce connectors 157 series 157 series cable-to-cable connectors top cable entry type dimensions order information 14 16Amphenol Micro-Pierce connectors 157 series 157 series cable-to-cable connectors (cont.) end cable entry type low profile steel hood 4650 near | - q je Ce | pee 2 605 165,171 MAX o} = = 935 623.75) 1 -650 i 1 6.50 ~ 2.605 (66.7) MAX I 685 Pag f low profile plastic hood 410 (10.41) MAX, CABLE DIAT 7 .9B6 REF. my CABLE (25.04) LO ourLert 41000, 4DREF P| ] yy TAT T 4 tF. PB6 REF a y (25,04) ' So +t _..4 i Net ene 947 REE Les | | , 4a order information ___Low-Profile Steel Hood __|_ Ultra-Low Profile ____All-Plastic Heod 50 157-72500-3 ~ | 487-72800-18 | 187-82500-18 157-72500-3(431) |157-82500-3(431) V7Amphenol all-plastic Micro-Pierce connectors 157 series all-plastic connectors Micro-Pierce features e Glass-filled polyester dielectric per- mits operation to 700 VDC at sea level without shorting or flashover. Dielectric resists cracking or chipping - has high mechanical strength Also low moisture absorption. lron-copper contacts with plated gold over nickel for excellent current-car- rying characteristics up to 5 amps. e@ Terminal area provides positive insu- lation-piercing, excellent electrical continuity as wiped-clean conductor cold-flows around engaging surface to form large contact area. @ Float-bushing mounting permits .020 radial float for easy mating. e@ Zinc-plated steel outer shell with clear chromate finish resists corro- sion. e Wide, flat mating surfaces are pressed tightly together by the flexing action of both contacts for protection against opens. e Positive mating action wipes contacts clean. removes film or foreign materi- al for low contact resistance. e@ Trapezoidal shell assures correct po- larity. @ Canadian Standards Association FILE LR 45516-14 18 @ 90 piastic hoods are separate from the cable clamp device which ig attached directly to the con- nector body. The hood snaps on and off easily. @ The mated connectors may be iocked together with either spring clips, provided on the receptacie, or a captivated screw. With the spring clip locking device there is no need for additional hardware. The spring clips engage the win- dows provided in the plug body. 157 series description Amphenol 157 Micro-Pierce con- nectors combine the field-oroven features and reliability of 57 series micro-riobon solder-type connectors with the speed and convenience of solderiess termination. Solderiess termination, as accom- plished using either hand or automatic termination equipment, is fast. requires no special skill, yet results in reliable, virtually mistake- proof termination because individu- al conductor preparation is not necessary. specifications Current capacity: 5 amp per contact Voltage rating: 700 VDC at sea level 200 VDC at 70,000 ft. Operating temperature: -67F to +221F -5C to +105C Wire sizes 24 and 26 AWG, solid conductor, 26 and 28 AWG, stranded conductor Contacts Selectively plated 20 microinches gold over 50 microinches nickel on a copper alloy base Dielectric Fiberglass-filled polyester 3-Step Insulation Displacement: 1. Prior to conductor insertion. Termination is as fast and easy as 1-2-3 ..-in.one, continuous operation. First, the insulation is pierced. Next, in the 2. Insulation being pierced. 3: Conductor bottomed in contact. transition. area, the insulation is.cut to complete separation. Finally, electrical contact is made at the smooth engag- ing surface.Amphenol Micro-Pierce connectors 157 series all-plastic Micro-Pierce connectors (cont.) dimensions and order information 157 series Ampheno} Mounting Arrangement.| Part-Number 4-40 tapped 2 pls. 157-19500-01 .125" thru-holes 157-19500-02 Plug 1. 390: Ree kt 3.259 REF, t I ! { | he 2.947 REP, a | | | ee pp ene ence . \ i if i | | van - | oh: i | SIO REF. go, [ ~~ t 1 1 1 ' REF. . | acy ounce | TAP 4.40 UNC-2B 596 AMPHENOL A 2 PLS) REF Receptacle [ower at ate nner BIG REF a een oe cence oo es nate i i iM 4 | S39 REF. | jy al = {ia dt . | 820 tf Cc ] 1 J IC 3 kt REF. T T T po Z on 1 _ TAP 4-40 UNC-2B | | | AMPHENOL | at | @PLs) i bd a een ORF AEF. -- nn ne ee [+ 268 REF -| a REF. e Plug with hood and cable clamp < - : : SSS TT & x & 1 : Po Sani 1.049 REF iY Hl i 1.345 try Es REF ic CD CSS ES oe t | AMPHENOL oh CAPTIVATED 47H _ Md e4OUNC 2B SCREW : o 3.260 MAX : Jeanne ae renee BOE RE Frew ernee a Receptacle with hood and cable clamp y | E H .o oY | 1.049 REF irl 4 1,331 eS co al s a Li " a | REF CAPTIVATED -] a1) SCREW +H | \ | AMPHENOL _ Al \ TAP 4.40 UNC-2B tf | ' | [a 3.280 MAX tt Lage B98 REF, a ee ee Amphenol Mounting Arrangement | Part Number 4-40 tapped 2 pis. | 157-29500-01 | .125" thru holes 157-29500-02 | 4-40 tapped 2 pls. with spring clips 157-29500-03 125" thru holes with. spring clips 157-29500-04 Mounting Arrangement Amphenol Part Number 4-40 captivated screw, tapped hole and | cable. clamp 157-79500-01 4-40 tapped 2 pls. and cable clamp 157-79500-02 Amphenol Mounting Arrangement Part Number 4-40 captivated screw,_|. . tapped hole and 157-89500-01 cable clamp 4-40. tapped 2 pis. with spring clips 157-89500-02 and cable clamp 19