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MIL-C-38999(S1) Dataheets PDF



Part Number MIL-C-38999(S1)
Manufacturers American Micro
Logo American Micro
Description AMPI
Datasheet MIL-C-38999(S1) DatasheetMIL-C-38999(S1) Datasheet (PDF)

AMPI MIL-C-38999 (SERIES I) B SERIES MIL-C-38999 Hermetic connectors were developed for application where a controlled atmosphere such as inert gasses, partial vacuums, or constant environments are needed. These receptacles are designed for use in aerospace electronic, electrical power, and control circuits. The “B” Series receptacles are manufactured to American Micro Products, Inc. (AMPI / ACE) standards and meet the intermateability requirements of MIL-C-38999 Series I. They are hermetically .

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AMPI MIL-C-38999 (SERIES I) B SERIES MIL-C-38999 Hermetic connectors were developed for application where a controlled atmosphere such as inert gasses, partial vacuums, or constant environments are needed. These receptacles are designed for use in aerospace electronic, electrical power, and control circuits. The “B” Series receptacles are manufactured to American Micro Products, Inc. (AMPI / ACE) standards and meet the intermateability requirements of MIL-C-38999 Series I. They are hermetically sealed with an all glass seal to prevent air leakage in excess of .01 micron cubic foot per hour at one atmosphere. They are manufactured with conductive finishes to provide electrical continuity between mated halves prior to contact engagement. Manufactured in the scoop proof design, the contacts are located so as to prevent handling damage or inadvertent electrical contact. Standard hermetic receptacles are supplied with either solder cup or eyelet type contact terminations. Contacts for other applications such as thermocouple or flex prints are also available. Standard receptacles are steel shells with nickel-iron alloy contacts and a final coat of tin plate and gold plated nickel-iron allow contacts; or stainless steel shells with gold plated contacts. Other materials and finishes can be supplied to meet specific application requirements. “B” Series receptacles meet the, voltage, salt spray, shock, and vibration requirements of MIL-C-38999. STANDARD MATERIALS AND FINISHES FERROUS ALLOY SHELLS Material: Finish: Cold Rolled Steel per ASTM 108 100 microinches minimum fused tin per MIL-T-10727 over suitable underplate Corrosion resistant steel per QQ-S-764, type 303 or as specified. Passivated. Nickel-iron alloy per MIL-I-23011, class 2. 50 microniches minimum gold per MIL-G-45204 over a suitable underplate STAINLESS STEEL SHELLS Material: Finish: Material: Finish: CONTACTS BAYONET PINS Material: Corrosion resistant steel per QQ-S-764, type 303 INSERTS Material: Glass INTERFACIAL SEALS Material: MILITARY DESIGNATION MS27470Y*D*P MS27470Y*D*X MS27470Y*E*P MS27470Y*E*X MS27471Y*D*P MS27471Y*D*X MS27471Y*E*P MS27471Y*E*X NO SPECIFIED HERMETIC MS27467 Fluorosilicone rubber. AMPI DESIGNATION 50B-*-*P-20 50B-*-*P-10 51B-*-*P-20 51B-*-*P-10 20B-*-*P-20 20B-*-*P-10 21B-*-*P-20 21B-*-*P-10 30B-*-*P-20 30B-*-*P-10 31B-*-*P-20 31B-*-*P-10 DESCRIPTION JAM NUT MOUNT SOLDER MOUNT ELECTRICAL SERVICE DATA The maximum current to be carried by the connector, based on contact size, is the same as permitted by the wire bundle. Maximum current ratings and corresponding voltage drops under test condition, fully assembled, are shown below. CONTACT TEST CURRENT SIZE (AMPS) www.DataSheet4U.com 22D 2 20 16 12 5 10 17 POTENTIAL DROP (MILLIVOLTS) 85 60 85 85 BOX MOUNT MATING PLUG HIGH POTENTIAL TEST VOLTAGE SERVICE RATING N M I II TEST VOLTAGE (RMS 60 CPS) 1000 1300 1800 2300 PART NUMBER EXPLANATION NOTES: 1.-2---Circular flange solder mount 3---Square flange box mount 5---Jam nut mount 0---Ferrous alloy 1 thru 7- various stainless steel #303 thru #347 MIL-C-38999 series I intermateability P---Pin Alternate keyway position 1---Eyelet 2---Solder cup 0---Nickel-iron alloy M3--Fused tin over copper over nickel with gold on contacts M2--Contacts gold with shell passivated 2.-3.-4.-5.-6.-7.-8.– 1. AMPI MIL-C-38999 (SERIES I) INDEX OF INSERT ARRANGEMENTS MIL-STD-1560 SHELL SIZE 9 INSERT ARRANGEMENT 35 98 5 35 98 99 4 8 35 98 5 15 18 19 35 97 8 26 35 30 32 35 16 35 39 41 35 35 61 TOTAL CONTACTS 6 3 5 13 6 7 4 8 22 10 5 15 18 19 37 12 8 26 55 30 32 66 16 79 39 41 100 128 61 CONTACT SIZE 22 6 20 3 5 13 6 7 4 8 22 10 14 18 19 37 8 26 55 29 32 66 16 79 37 41 100 128 61 2 1 4 8 5 1 16 12 SERVICE RATING M I I M I I II I M I II I I I M I II I M I I M II M I I M M I 11 13 15 17 19 21 23 25 www.DataSheet4U.com MASTER KEYWAY POSITIONS FRONT FACE OF PIN INSERT SHOWN NORMAL POSITION N 9 11 13 15 17 19 21 23 25 95 LOCATION OF ALTERNATE MASTER KEYWAY POSITION IN DEGREES A 77 81 75 74 77 77 77 80 80 B 67 63 61 65 65 65 69 69 C 123 127 129 125 125 125 121 121 D 113 109 115 116 113 113 113 110 110 SHELL SIZE 2. AMPI MIL-C-38999 (SERIES I) SOLDER MOUNT 20B RECEPTACLES (REF. MS27471) SHELL SIZE 9 11 13 15 17 19 21 23 25 PART NUMBER 20B-9-(*)P▼-(**) 20B-11-(*)P▼-(**) 20B-13-(*)P▼-(**) 20B-15-(*)P▼-(**) 20B-17-(*)P▼-(**) 20B-19-(*)P▼-(**) 20B-21-(*)P▼-(**) 20B-23-(*)P▼-(**) 20B-25-(*)P▼-(**) ▼REPLACE WITH ALTERNATE INSERT POSITION INDICATOR /(*) REPLACE WITH PIN ARRANGEMENT INDICATOR NOT REQUIRED FOR NORMAL POSITION /(**) REPLACE WITH CONTACT STYLE AND MATERIAL A +.016 -.016 0.750 0.844 0.969 1.094 1.218 1.312 1.438 1.563 1.688 D +.001 -.005 0.572 0.700 0.850 0.975 1.100 1.207 1.332 1.457 1.582 M MAX .187 .218 N +.001 -.005 0.672 0.781 0.906 1.031 1.156 1.250 1.375 1.500 1.625 BOX MOUNT 30B RECEPTACLES www.DataSheet4U.com SHELL SIZE 9 11 13 15 17 19 21 23 25 PART NUMBER 30B-9-(*)P▼-(**) 30B-11-(*)P▼-(**) 30B-13-(*)P▼-(**) 30B-15-(*).


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