Home > Products > Circular Connector Accessories >Circular Connector Assemblies > MIL DTL 38999 Miniature Connector Bel Fuse MD801 009 02MT10 26SF Dual Start ACME Thread for Military

MIL DTL 38999 Miniature Connector Bel Fuse MD801 009 02MT10 26SF Dual Start ACME Thread for Military

Manufacturer:
Bel Fuse
Description:
Circular Connector Assemblies RoHS
Category:
Circular Connector Accessories/Circular Connector Assemblies
Specifications
Mfr. Part #:
MD801-009-02MT10-26SF
Model Number:
MD801-009-02MT10-26SF
Introduction

Product Overview

The Bel Cinch MD801 Series connectors are miniature MIL-DTL-38999 compliant connectors designed for military and aerospace applications, offering high reliability in extreme environments. Featuring a Dual-Start ACME thread for enhanced protection against cross-mating and vibration, these connectors are available in aluminum or stainless steel with various finish options. They support crimp, PC tail, and solder cup contact terminations and are offered in multiple shell sizes and insert arrangements, providing versatile solutions for critical components and assemblies where preventing leakage under extreme conditions is paramount.

Product Attributes

  • Brand: Bel Cinch
  • Series: MD801 Series
  • Compliance: MIL-DTL-38999
  • Keying: Shell Keying available
  • Thread Type: Dual-Start ACME thread
  • Sealing: Hermetic sealing available (for Cinch Mil/Aero Circulars)
  • Materials: Aluminum, Stainless Steel
  • Finishes: Aluminum / Cadmium with olive drab chromate, Aluminum / Black hard anodize (RoHS), Aluminum / Black Zinc Nickel over Electroless Nickel (RoHS), Aluminum / Nickel PTFE, Aluminum / Electroless Nickel (RoHS), Stainless Steel / Passivated (RoHS)

Technical Specifications

Specification Value
Current Rating #235 A
Dielectric Withstanding Voltage #23750 VAC
Insulation Resistance 5000 M minimum
Operating Temperature -65 C. to +175 C
Shock Rating 300 g
Vibration Rating 37 g
Shielding Effectiveness 55dB min from 100MHz 1000MHz
Durability 2000 mating cycles
IP Rating IP67 Mated
Shell Sizes Available 5, 6, 7, 8, 9, 10, 13
Contact Types Crimp, PC Tail, Solder Cup
Contact Sizes #12, #16, #20, #23
Contact Arrangements 1 to 130 contacts

MD801 Series Plug Dimensions (Example: Style 16)

Shell Size A (in/mm) B (in/mm) Thread D (in/mm) Rear Thread
5 0.54 (13.72) 0.65 (16.51) 0.3125-0.05P-0.1L-DS-2B 0.245 (6.22) 0.2500-32 UNEF-2A
6 0.60 (15.24) 0.69 (17.53) 0.3750-0.05P-0.1L-DS-2B 0.290 (7.37) 0.3125-32 UNEF-2A
7 0.69 (17.53) 0.79 (20.07) 0.4375-0.05P-0.1L-DS-2B 0.390 (9.91) 0.4375-28 UNEF-2A
8 0.75 (19.05) 0.83 (21.08) 0.5000-0.05P-0.1L-DS-2B 0.445 (11.30) 0.5000-28 UNEF-2A
9 0.81 (20.57) 0.92 (23.37) 0.5625-0.05P-0.1L-DS-2B 0.500 (12.70) 0.5625-24 UNEF-2A
10 0.88 (22.35) 0.98 (24.89) 0.6250-0.05P-0.1L-DS-2B 0.560 (14.22) 0.6250-24 UNEF-2A
13 1.05 (26.67) 1.10 (27.94) 0.81250-.1P-0.2L-DS-2B 0.650 (16.51) 0.6875-24 UNEF-2A

MD801 Series In-Line Receptacle Dimensions

Shell Size A (in/mm) B (in/mm) Thread D (in/mm) E (in/mm) Flat Thread
5 0.355 (9.02) 0.325 (8.25) 0.3125-0.05P-0.1L-DS-2B 0.245 (6.22) 0.2500-32 UNEF-2A
6 0.415 (10.54) 0.385 (9.78) 0.3750-0.05P-0.1L-DS-2B 0.290 (7.37) 0.3125-32 UNEF-2A
7 0.480 (12.19) 0.445 (11.30) 0.4375-0.05P-0.1L-DS-2B 0.390 (9.91) 0.4375-28 UNEF-2A
8 0.540 (13.72) 0.510 (12.95) 0.5000-0.05P-0.1L-DS-2B 0.445 (11.30) 0.5000-28 UNEF-2A
9 0.605 (15.37) 0.575 (14.60) 0.5625-0.05P-0.1L-DS-2B 0.500 (12.70) 0.5625-24 UNEF-2A
10 0.665 (16.89) 0.635 (16.13) 0.6250-0.05P-0.1L-DS-2B 0.560 (14.22) 0.6250-24 UNEF-2A
13 0.855 (21.72) 0.825 (20.96) 0.81250-.1P-0.2L-DS-2B 0.650 (16.51) 0.6875-24 UNEF-2A

MD801 Series Square Flange Receptacle Dimensions

Shell Size A (in/mm) B (in/mm) C (in/mm) D (in/mm) E (in/mm) SQ BSC Thread Thread
5 0.530 (13.46) 0.363 (9.22) 0.680 (17.27) 0.096 (2.44) 0.091 (2.31) 0.3125-0.05P-0.1L-DS-2A 0.245 (6.22)
6 0.590 (14.99) 0.423 (10.74) 0.750 (19.05) 0.096 (2.44) 0.091 (2.31) 0.3750-0.05P-0.1L-DS-2A 0.290 (7.37)
7 0.6550 (16.51) 0.483 (12.27) 0.850 (21.59) 0.096 (2.44) 0.091 (2.31) 0.4375-0.05P-0.1L-DS-2A 0.390 (9.91)
8 0.712 (18.08) 0.545 (13.84) 0.938 (23.83) 0.096 (2.44) 0.091 (2.31) 0.5000-0.05P-0.1L-DS-2A 0.445 (11.30)
9 0.850 (21.59) 0.607 (15.42) 1.125 (28.58) 0.130 (3.30) 0.126 (3.20) 0.525-0.05P-0.1L-DS-2S 0.500 (12.70)
10 0.890 (22.61) 0.670 (17.02) 1.188 (30.18) 0.130 (3.30) 0.126 (3.20) 0.625-0.05P-0.1L-DS-2S 0.560 (14.22)
13 1.030 (26.16) 0.812 (20.62) 1.375 (34.92) 0.130 (3.30) 0.126 (3.20) 0.8125-0.1P-0.2L-DS-2A 0.650 (16.51)

MD801 Series Square Flange Receptacle Panel Cutout

Shell Size A (in/mm) B (in/mm) C (in/mm) 0.005 (0.13) BSC
5 0.328 (8.33) 0.328 (8.33) 0.096 (2.44) 0.091 (2.31)
6 0.390 (8.33) 0.328 (8.33) 0.096 (2.44) 0.091 (2.31)
7 0.453 (11.51) 0.328 (8.33) 0.096 (2.44) 0.091 (2.31)
8 0.515 (13.08) 0.328 (8.33) 0.096 (2.44) 0.091 (2.31)
9 0.57 (14.68) 0.328 (8.33) 0.130 (3.30) 0.126 (3.20)
10 0.640 (16.26) 0.328 (8.33) 0.130 (3.30) 0.126 (3.20)
13 0.828 (21.03) 0.328 (8.33) 0.130 (3.30) 0.126 (3.20)

MD801 Series Jam Nut Receptacle Dimensions

Shell Size A (in/mm) B (in/mm) C (in/mm) D (in/mm) E (in/mm) F (in/mm) G (in/mm) Flat Thread Thread
5 0.54 (13.72) 0.65 (16.51) 0.545 (13.84) 0.3125-0.05P-0.1L-DS-2B 0.375-28 UNEF-2A 0.245 (6.22) 0.250-32 UNEF-2A
6 0.635 (16.13) 0.69 (17.53) 0.595 (15.11) 0.3750-0.05P-0.1L-DS-2B 0.4375-28 UNEF-2A 0.290 (7.37) 0.3125-32 UNEF-2A
7 0.755 (19.18) 0.79 (20.07) 0.73 (18.36) 0.4375-0.05P-0.1L-DS-2B 0.5625-32 UNEF-2A 0.390 (9.91) 0.4375-28 UNEF-2A
8 0.755 (19.18) 0.83 (21.08) 0.73 (18.36) 0.5000-0.05P-0.1L-DS-2B 0.5625-32 UNEF-2A 0.445 (11.30) 0.5000-28 UNEF-2A
9 0.830 (21.08) 0.92 (23.37) 0.790 (20.07) 0.5625-0.05P-0.1L-DS-2B 0.625-28 UNEF-2A 0.500 (12.70) 0.5625-24 UNEF-2A
10 0.890 (22.61) 0.98 (24.89) 0.855 (21.72) 0.6250-0.05P-0.1L-DS-2B 0.6875-28 UNEF-2A 0.560 (14.22) 0.6250-24 UNEF-2A
13 1.078 (27.38) 1.10 (27.94) 1.044 (26.52) 0.81250-.1P-0.2L-DS-2B 0.875-28 UNEF-2A 0.650 (16.51) 0.6875-24 UNEF-2A

MD801 Series Jam Nut Receptacle Panel Cutout

Shell Size A (in/mm) Flat C (in/mm) 0.002 (0.05) 0.002 (0.13) 0.000 (0.00)
5 0.356 (9.04) 0.380 (9.65) 0.356 (9.04) 0.380 (9.65) 0.328 (8.33) 0.774 (19.66)
6 0.416 (10.57) 0.443 (11.25) 0.416 (10.57) 0.443 (11.25) 0.390 (9.91) 0.860 (21.84)
7 0.542 (13.77) 0.567 (14.40) 0.542 (13.77) 0.567 (14.40) 0.453 (11.51) 0.944 (23.98)
8 0.542 (13.77) 0.567 (14.40) 0.542 (13.77) 0.567 (14.40) 0.515 (13.08) 1.032 (26.21)
9 0.602 (15.29) 0.630 (16.00) 0.602 (15.29) 0.630 (16.00) 0.578 (14.68) 1.180 (29.97)
10 0.664 (16.87) 0.693 (17.60) 0.666 (16.92) 0.693 (17.60) 0.640 (16.26) 1.268 (32.21)
13 0.851 (21.62) 0.880 (22.35) 0.851 (21.62) 0.880 (22.35) 0.828 (21.03) 1.470 (37.34)

MD801 Series Receptacle with PC Tails Dimensions

Shell Size A (in/mm) Sq B (Bsc) C (in/mm) D (in/mm) E (in/mm) F (in/mm) Holes Thread M (in/mm) T (in/mm) Flat Thread
5 0.530 (13.46) 0.363 (9.22) 0.680 (17.27) 0.575 (14.60) 0.545 (13.84) 0.350 (8.89) 0.096 (2.44) 0.3125-0.05P-0.1L2A 0.375-28 UNEF-2A 0.244 (6.20) 0.175 (4.44)
6 0.590 (14.99) 0.423 (1.74) 0.750 (19.05) 0.635 (16.13) 0.595 (15.11) 0.410 (1.41) 0.375-0.05P-0.1L2A 0.4375-28 UNEF-2A 0.330 (8.38) 0.238 (6.05)
7 0.650 (16.51) 0.483 (12.27) 0.850 (21.59) 0.755 (19.18) 0.723 (18.36) 0.536 (13.61) 0.4375-0.05P-0.1L2A 0.5625-32 UNEF-2A 0.432 (10.97) 0.327 (8.31)
8 0.712 (18.08) 0.545 (13.84) 0.938 (23.83) 0.755 (19.18) 0.723 (18.36) 0.536 (13.61) 0.5000-0.05P-0.1L2A 0.5625-32 UNEF-2A 0.493 (12.52) 0.388 (9.86)
9 0.850 (21.59) 0.607 (15.42) 1.125 (28.58) 0.830 (22.61) 0.790 (2.07) 0.506 (15.14) 0.130 (3.30) 0.5625-0.05p-0.1L2A 0.6250-28 UNEF-2A 0.551 (14.00) 0.446 (11.33)
10 0.890 (22.61) 0.607 (15.42) 1.188 (3.18) 0.890 (22.61) 0.855 (21.72) 0.658 (16.71) 0.6250-0.05p-0.1L2A 0.6875-28 UNEF-2A 0.620 (15.75) 0.516 (13.11)
13 1.030 (26.16) 0.812 (2.62) 1.375 (34.92) 1.078 (27.38) 1.044 (26.52) 0.845 (21.46) 0.812-1P-0.2L2A 0.8750-28 UNEF-2A 0.703 (17.86) 0.599 (15.21)

MD801 Series PC Tail Diameter

Contact Size S (in) P (in)
#23 0.018/0.022
#20 0.028/0.024
#16 0.060/0.064
#12 0.092/0.096

2411041603_Bel-Fuse-MD801-009-02MT10-26SF_C22072017.pdf

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