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MDMA SERIESMicrominiature connectorswith removable crimp contactsESCC 3401/077 - ESCC 3401/078Features and Benefits Compliant with ESA specifications High performance Micropin contact system(“twist pin” spring male contact and tubular socket contact) Removable crimp type contacts Harnesses length flexibility Non-Outgassing Low Size Connectors Low WeightTypical Applications Space equipment Satellites harnesses and payloads Avionics / MilitarySpecificationTYPE High performance Micro-miniature connectors ESA qualified, forspace applications. Compliant to ESCC specifications 3401/077 Connectors and3401/078 Removable Crimp Contacts. Compatible with ESCC 3401/029 MDM Connectors, 3401/041Savers, 3401/032 Accessories and 3401/087 Backshells. Suitable for use in Space, and high performance military/aerospaceapplications: Board to Board, Board to Cable or Cable to Cableapplications. Removable contacts (Twist Pin contact technology). Sizes available: 9, 15, 21, 25, 31, 37 and 51 ways. Connector 9, 15, 21, 25, 31 and 37 ways, accepted wires size: 1 wire insulated AWG24, AWG26 and AWG28 (externaldiameter at 0.97mm max). 1 uninsulated solid wire AWG25. 2 wires insulated AWG28 (external diameter at 0.82mm max). Connector 51 ways, accepted wires size: 1 wire insulated AWG24, AWG26 and AWG28 (externaldiameter at 0.97mm max). 1 uninsulated solid wire AWG25. Distance between 2 adjacent contacts: 1.27mm (.050 inch). Distance between 2 contacts rows: 1.09mm (.043 inch).Size 9Size 15Size 21Size 25Size 31Size 37Size 51UNMATINGFORCE (N .07.3Quality Level ESA / ESCC: code 3401 (Flying model). Qualification reviewed every 2 years.Process Contact and Cable Insertion Wire stripping. Cables crimping onto contacts with standard MDMA Crimping toolM22520/2-01 and dedicated locators (to be ordered separately). Wires cable installed by the end user.Test Retention A dedicated tool is available to make the retention test of eachcontacts in the connectors.Process Contact and Cable ExtractionElectrical & Mechanical CharacteristicsCHARACTERISTICWorking Voltage (sea level)Rated Current AWG 24Rated Current AWG 25Rated Current AWG 26Rated Current AWG 28Contact ResistanceInsulation ResistanceVoltage ProofTemperature rangeContact Retention ForceMATING/UNMATINGFORCE (N MAX)203347556982147 A dedicated tool is available to remove the contacts from theconnectors.OptionsSPECIFICATION150 Vrms3.5 A2.5 A2.5 A1.5 A5 mΩ (rated current)5000 MΩ min600 Vrms /2.0mA (leakage current)-55/ 125 C22.25 N max Optional interfacial seal can be applied for female connectors (to beordered separately). Optional captive nuts or float mounting.Packaging Individual packaging.Traceability associated as per ESA/ESCC specifications.Each MDMA connector is sold with a dust cap in individual plastic bag.Contact extraction tool has to be ordered separately.www.ckswitches.com1

HOW TO ORDERCONNECTOROur easy build-a-connector concept allows you to mix and match options to create the MDMA you need. To order, select desiredoption from each category and place it in the appropriate box.Pin connection with Nickel PlatingESA/ESCC Specification: 3401077 01Pin connection with Gold PlatingBMDMADetail Specification NumberY9P-FOContacts InformationFO Connector without contacts(Contacts must be ordered separately)Shell Finish01 25.4 µm Ni02 0.7 µm Au over 25.4 µm NiType of ContactP Pin (Male)S Socket (Female)Testing LevelShell Size9152125313751MDMA SeriesFixing OptionNothing: Standard (no hardware)E Captive nutY Float mountMATERIALS & FINISHESCOMPONENTShellInsulatorFemale ContactsMale ContactsAccessories (Y & E)Interfacial SealsDust CapMATERIALFINISH01: 25.4 µm electroless Nickel over Copper underlay02: 0.7 µm Gold over 25.4 µm electroless NickelUL 94-V0, Glass-filled, Black Color1.27 µm Gold over Copper underlay1.27 µm Gold over Copper underlay303 type, passivatedPink colorBlack color, antistatic.Aluminium alloyLiquid Crystal PolymerCopper AlloyCopper AlloyStainless SteelFluorosilicone elastomerPolyethyleneDimensions shown in: mmSpecifications and dimensions subject to change2www.ckswitches.com

CONNECTOR DIMENSIONSSHELL SIZE9P9S15P15S21P21S25P25S31P31S37P37S51P51SA 3.6537.4637.4636.2036.20B 608.708.70C 8626.0927.6724.8326.41E 385.787.47E 8827.6927.6926.4226.42F 637.657.65G 6025.4125.4124.1424.14J 8.3232.1332.1330.8630.86ATTACHMENT OPTIONSCaptive Nut (Option E)Floating Mount (Option Y)ALLOWABLE FLOAT(MM)LateralAxial0.400.40Dimensions shown in: mmSpecifications and dimensions subject to change3www.ckswitches.com

CONTACT PIN – 340107803B (WIRE SIZE AWG 24, 25, 26, 28 OR 2X28)C&K Part Number:C331-8754-000HCOMPONENTSleeveBundleESA/ESCC Description:MATERIALCopper alloyedCupro-Beryllium340107803BFINISH1.27 µm min. Gold over Copper underlay1.27 µm min. Gold over Copper underlayCONTACT SOCKET – 340107804B (WIRE SIZE AWG 24, 25, 26, 28 OR 2X28)C&K Part Number:C252-8844-000HCOMPONENTSleeveESA/ESCC Description:MATERIALCopper alloyed340107804BFINISH1.27 µm min. Gold over Copper underlayNota:Other products available:- Male Contact 340107801B, compatible with wire size AWG 25, 26 or 28.- Female Contact 340107802B, compatible with wire size AWG 25, 26, 28.Dimensions shown in: mmSpecifications and dimensions subject to change4www.ckswitches.com

PROCESS – CONTACT AND CABLE INSERTIONCable Crimping1 – Insert wire into contact body.2 – Insert the unit into the crimping tool (selector position 2) with dedicated locator.Crimping tool - Position #2:M22520/2-01 (P/N: C995-0001-584)Locator for Male Contact:MDMA-Locator-P-01 (P/N: C115373-0001)Locator for Female Contact:MDMA-Locator-S-01 (P/N: C115373-0002)Contact InsertionInsert contact with wire into rear insulator cavity until positive stop.To avoid stress onto retention clip, insert contact in the axis (noinsertion angle).To be sure contact is locked securely, pull back lightly on wire or usecalibrated test retention tool.MDMA-Retention tool (P/N: C115373-0003).PROCESS – CONTACT AND CABLE EXTRACTION1 – Select contact extraction tool:- Connector size 9 to 37 - MDMA-Extract tool-01 (P/N: C115373-0006)- Connector size 51- MDMA-Extract tool-02 (P/N: C115373-0007)2 – Insert tool tip into contact cavity until tip bottoms against contactshoulder, releasing tine.Hold wire against tool with finger and remove tool and contact.Be careful to put extraction tool in the good position!Each contact cavity has flat area to place tool tip.Insertion area for Extraction toolInsertion area for Extraction toolConnector size 9 to 37Connector size 51Dimensions shown in: mmSpecifications and dimensions subject to change5www.ckswitches.com

ACCESSORIESINTERFACIAL SEALSIZE9S15S21S25S31S37S51SESA/ESCC B340103216B340103217B340103219BESA/ESCC DESCRIPTIONC&K 0053CC115373-0054CC115373-0055CC115373-0056CC&K P/N340103207BC115366-9218DESCRIPTIONC&K P/NM22520/2-01C995-0001-584TYPEDESCRIPTIONC&K P/NMale contactsMDMA-Locator-P-01C115373-0001Female ONC&K P/N9 to 37MDMA-Extract tool-01C115373-000651MDMA-Extract tool-02C115373-0007MALE SCREWLOCKCRIMPING TOOLLOCATOREXTRACTION TOOLTEST RETENTION TOOLDUST CAPDESCRIPTIONC&K P/NMale andFemaleContactsMDMA-Retention CAP-51S-FR022C&K 5288-6939C115288-6940For the complete range of accessories and details, consult our MDM accessories datasheet.Dimensions shown in: mmSpecifications and dimensions subject to change6www.ckswitches.com

ATTACHMENT OPTIONSCONTACT #CONTACT TYPESocketGoldPinSocketNickelPinSHELLCONNECTORS DESCRIPTION AND C&K PART NUMBERSSTANDARD CONNECTORESA/ESCCDESCRIPTIONCONNECTOR WITHCAPTIVE NUT (E)C&K P/NESA/ESCCDESCRIPTIONC&K P/NCONNECTOR WITHFLOATING MOUNT (Y)ESA/ESCCDESCRIPTIONC&K P/N9340107701B MDMA9P-FOC115373-2100C340107701B MDMAE9P-FOC115373-2124C340107701B MDMAY9P-FOC115373-2112C15340107701B MDMA15P-FOC115373-2102C340107701B MDMAE15P-FOC115373-2126C340107701B MDMAY15P-FOC115373-2114C21340107701B MDMA21P-FOC115373-2104C340107701B MDMAE21P-FOC115373-2128C340107701B MDMAY21P-FOC115373-2116C25340107701B MDMA25P-FOC115373-2106C340107701B MDMAE25P-FOC115373-2130C340107701B MDMAY25P-FOC115373-2118C31340107701B MDMA31P-FOC115373-2108C340107701B MDMAE31P-FOC115373-2132C340107701B MDMAY31P-FOC115373-2120C37340107701B MDMA37P-FOC115373-2110C340107701B MDMAE37P-FOC115373-2134C340107701B MDMAY37P-FOC115373-2122C51340107701B MDMA51P-FOC115373-2142C340107701B MDMAE51P-FOC115373-2146C340107701B MDMAY51P-FOC115373-2144C9340107701B MDMA9S-FOC115373-2101C340107701B MDMAE9S-FOC115373-2125C340107701B MDMAY9S-FOC115373-2113C15340107701B MDMA15S-FOC115373-2103C340107701B MDMAE15S-FOC115373-2127C340107701B MDMAY15S-FOC115373-2115C21340107701B MDMA21S-FOC115373-2105C340107701B MDMAE21S-FOC115373-2129C340107701B MDMAY21S-FOC115373-2117C25340107701B MDMA25S-FOC115373-2107C340107701B MDMAE25S-FOC115373-2131C340107701B MDMAY25S-FOC115373-2119C31340107701B MDMA31S-FOC115373-2109C340107701B MDMAE31S-FOC115373-2133C340107701B MDMAY31S-FOC115373-2121C37340107701B MDMA37S-FOC115373-2111C340107701B MDMAE37S-FOC115373-2135C340107701B MDMAY37S-FOC115373-2123C51340107701B MDMA51S-FOC115373-2143C340107701B MDMAE51S-FOC115373-2147C340107701B MDMAY51S-FOC115373-2145C9340107702B MDMA9P-FOC115373-2150C340107702B MDMAE9P-FOC115373-2174C340107702B MDMAY9P-FOC115373-2162C15340107702B MDMA15P-FOC115373-2152C340107702B MDMAE15P-FOC115373-2176C340107702B MDMAY15P-FOC115373-2164C21340107702B MDMA21P-FOC115373-2154C340107702B MDMAE21P-FOC115373-2178C340107702B MDMAY21P-FOC115373-2166C25340107702B MDMA25P-FOC115373-2156C340107702B MDMAE25P-FOC115373-2180C340107702B MDMAY25P-FOC115373-2168C31340107702B MDMA31P-FOC115373-2158C340107702B MDMAE31P-FOC115373-2182C340107702B MDMAY31P-FOC115373-2170C37340107702B MDMA37P-FOC115373-2160C340107702B MDMAE37P-FOC115373-2184C340107702B MDMAY37P-FOC115373-2172C51340107702B MDMA51P-FOC115373-2192C340107702B MDMAE51P-FOC115373-2196C340107702B MDMAY51P-FOC115373-2194C9340107702B MDMA9S-FOC115373-2151C340107702B MDMAE9S-FOC115373-2175C340107702B MDMAY9S-FOC115373-2163C15340107702B MDMA15S-FOC115373-2153C340107702B MDMAE15S-FOC115373-2177C340107702B MDMAY15S-FOC115373-2165C21340107702B MDMA21S-FOC115373-2155C340107702B MDMAE21S-FOC115373-2179C340107702B MDMAY21S-FOC115373-2167C25340107702B MDMA25S-FOC115373-2157C340107702B MDMAE25S-FOC115373-2181C340107702B MDMAY25S-FOC115373-2169C31340107702B MDMA31S-FOC115373-2159C340107702B MDMAE31S-FOC115373-2183C340107702B MDMAY31S-FOC115373-2171C37340107702B MDMA37S-FOC115373-2161C340107702B MDMAE37S-FOC115373-2185C340107702B MDMAY37S-FOC115373-2173C51340107702B MDMA51S-FOC115373-2193C340107702B MDMAE51S-FOC115373-2197C340107702B MDMAY51S-FOC115373-2195CCONTACTS DESCRIPTION AND C&K PART NUMBERSUSED FOR WIRE SIZE AWG25 / 26 / 2824 / 25 / 26 / 28 / 2x28CONTACT TYPEPinSocketPin*Socket*ESA/ESCC BC&K PART 52-8844-000H*To be preferred. Designed for all wires combination.AMERICASASIAEUROPETel: 1.617.969.3700Tel: 852.3713.5288Tel: 33.1.60.24.51.51www.ckswitches.com7September 2020