D38999/24MH55HB

Heilind Number:DCHD38999/24MH55HB
Manufacturer:TE Connectivity | Deutsch
Manufacturer Number:D38999/24MH55HB
ECAD Model:
3D Model

Description:

MIL-DTL-38999 III (D38999) harsh environment connectors consist of wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. They are offered in 9 shell sizes and 54 insert arrangements, utilizing M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax. 38999 Series 3 connectors are offered in a variety of shell materials, including aluminum, stainless steel, and lightweight composite. They are also available in a wide assortment of plating options, including olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel. Selection includes RoHS-compliant, cadmium-free finishes, as well as Boeing BACC-approved designs.

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Specifications

AttributeValue
Product Category:
Manufacturer:TE Connectivity | Deutsch
Manufacturer Part Number:TE Connectivity | Deutsch D38999/24MH55HB
Military Specification:MIL-DTL-38999 III
Series:DEUTSCH 38999 Series III Composite Connectors
Amperage:7.5 A
Connector Type:Circular, Receptacle
Number of Contacts:55
Mount Type:Jam Nut
Contact Plating:Gold
Maximum Operating Temperature:200 °C
Minimum Operating Temperature:-65 °C
Voltage:1800 Vrms, 600 V AC, 850 V DC
Shell Size:23
Contact Size:20(55)
Contact Type:Pin
Mating Type:Triple Start Threaded
Shell Plating:Electroless Nickel
Finish/Coating:Electrodeposited Nickel, Electroless Nickel
Number of Positions:55
Keyway Polarization:B
Service Rating:I
Shell Style:Jam Nut Mounting Receptacle
Shell Size - Insert Arrangement:H55
Service Class:M
Shell Material:Composite
Operating Temperature Range:-65 - 200 °C, -85 - 392 °F
Contact Gender:Male
Contact Mating Life:1500 Cycles
Conductivity:Conductive
Ingress Protection:Environment Resistant
Contact Style:Pin - 1500-Cycle Contact
Shell Type:Jam Nut Receptacle
Product:Standard Circular Connectors
Product Type:Connector
Part Aliases:YACT24MH55HBV00100
Service Class Detail:Nickel Plated Composite Shell
SKU:DCHD38999/24MH55HB

Detailed Description

The D38999/24MH55HB is a high-performance MIL-DTL-38999 III (D38999) connector, designed for harsh environmental conditions. Featuring a jam nut receptacle and triple start threaded mating type, this connector ensures secure and reliable connections in demanding applications. With 55 gold-plated male pin contacts, it offers excellent conductivity and a long mating life of 1500 cycles. The composite shell construction, with electroless nickel plating, provides superior durability and corrosion resistance, suitable for military (service class M) and aerospace (Boeing BACC-approved) use. Operating in a wide temperature range from -65°C to 200°C, this connector meets stringent performance requirements for mission-critical systems. With RoHS-compliant options available, it guarantees environmental compliance without compromising on quality. The D38999/24MH55HB is the ideal choice for high-reliability connectivity in rugged environments.