| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Part Number: | TE Connectivity | Deutsch D38999/24MH21JC |
| Military Specification: | MIL-DTL-38999 III |
| Series: | DEUTSCH 38999 Series III Composite Connectors |
| Amperage: | 7.5 A |
| Connector Type: | Circular, Receptacle |
| Number of Contacts: | 21 |
| Mount Type: | Jam Nut |
| Contact Plating: | Gold |
| Maximum Operating Temperature: | 200 °C |
| Minimum Operating Temperature: | -65 °C |
| Voltage: | 1250 V DC, 2300 Vrms, 900 V AC |
| Shell Size: | 23 |
| Contact Size: | 16(21) |
| Contact Type: | Socket |
| Mating Type: | Triple Start Threaded |
| Shell Plating: | Electroless Nickel |
| Finish/Coating: | Electrodeposited Nickel, Electroless Nickel |
| Number of Positions: | 21 |
| Keyway Polarization: | C |
| Service Rating: | II |
| Shell Style: | Jam Nut Mounting Receptacle |
| Shell Size - Insert Arrangement: | H21 |
| Service Class: | M |
| Shell Material: | Composite |
| Operating Temperature Range: | -65 - 200 °C, -85 - 392 °F |
| Contact Gender: | Female |
| Contact Mating Life: | 1500 Cycles |
| Conductivity: | Conductive |
| Ingress Protection: | Environment Resistant |
| Contact Style: | Socket - 1500-Cycle Contact |
| Shell Type: | Jam Nut Receptacle |
| Product: | Standard Circular Connectors |
| Product Type: | Connector |
| Service Class Detail: | Nickel Plated Composite Shell |
| Part Aliases: | YACT24MH21JCV00100 |
| SKU: | DCHD38999/24MH21JC |
D38999/24MH21JC
| Heilind Number: | DCHD38999/24MH21JC |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Number: | D38999/24MH21JC |
| ECAD 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.
More >>Specifications
Detailed Description
The D38999/24MH21JC is a high-performance MIL-DTL-38999 III (D38999) jam nut receptacle, designed for use in harsh environments. With 21 gold-plated socket contacts, it ensures reliable connectivity in demanding applications. Featuring a composite shell with electroless nickel plating, this connector offers excellent durability and corrosion resistance. Its triple start threaded mating type provides secure connections, while its wide operating temperature range of -65 to 200 °C (-85 to 392 °F) allows for versatility in extreme conditions. With a voltage rating of 1250 V DC, 2300 Vrms, and 900 V AC, as well as a current rating of 7.5 A, this connector is suitable for high-power and high-reliability systems. RoHS-compliant and with a service class of M, the D38999/24MH21JC is a top choice for aerospace, defense, and other mission-critical applications. (Part aliases: YACT24MH21JCV00100)






