High Reliability Miniature Circular Connector Bel Fuse MD801-009-02MT10-26PA for Military and Aerospace
Manufacturer:
Bel Fuse
Description:
Circular Connector Assemblies RoHS
Category:
Circular Connector Accessories/Circular Connector Assemblies
Specifications
Mfr. Part #:
MD801-009-02MT10-26PA
Model Number:
MD801-009-02MT10-26PA
Introduction
Product Overview
The Bel Cinch MD801 Series connectors are high-reliability, miniature circular connectors designed for demanding military and aerospace applications. Featuring a Dual-Start ACME thread for enhanced protection against cross-mating and vibration, these connectors offer robust performance in extreme environments. Available in a range of shell sizes and insert arrangements, they support various contact termination types including crimp, solder, and PC tail, making them suitable for board mount applications. The MD801 series provides excellent shielding effectiveness and IP67 sealing when mated, ensuring reliable operation in critical systems.
Product Attributes
- Brand: Bel / Cinch
- Series: MD801
- Key Markets: Military, Aerospace, Down-hole applications
- Features: Dual-Start ACME thread, Miniature 38999 form factor, Hermetic sealing available (for Mil/Aero Circulars), RoHS compliant options
- Durability: 2000 mating cycles
- IP Rating: IP67 (Mated)
Technical Specifications
| Specification | Value |
|---|---|
| Series Designation | MD801 |
| Thread Type | Dual-Start ACME |
| Contact Types | Crimp, PC Tail, Solder Cup |
| Shell Sizes | 5, 6, 7, 8, 9, 10, 13 |
| Contact Arrangements | 1 to 130 contacts |
| Current Rating (#23 Contact) | 5 A |
| Dielectric Withstanding Voltage (#23 Contact) | 750 VAC |
| Insulation Resistance | 5000 M minimum |
| Operating Temperature | -65C to +175C |
| Shock Rating | 300 g |
| Vibration Rating | 37 g |
| Shielding Effectiveness | 55dB min from 100MHz 1000MHz |
| Shell Materials | Aluminum (various finishes), Stainless Steel |
| Available Finishes | Cadmium with olive drab chromate, Black hard anodize (RoHS), Black Zinc Nickel over Electroless Nickel (RoHS), Nickel PTFE, Electroless Nickel (RoHS), Passivated (RoHS) |
Plugs (MD801-007, MD801-008)
| Shell Size | A (in/mm) | B (in/mm) | Thread | C (in/mm) | Rear Accessory 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 |
In-Line Receptacles (MD801-009, MD801-010)
| 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 |
Square Flange Receptacles (MD801-009, MD801-010)
| Shell Size | A (in/mm) | B (in/mm) | C (in/mm) | D (in/mm) | E (in/mm) | SQ BSC | Threaded | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Jam Nut Receptacles (MD801-009, MD801-010)
| 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) | - | - | 0.245 (6.22) | - | - | 0.3125-0.05P-0.1L-DS-2B | 0.375-28 UNEF-2A |
| 6 | 0.635 (16.13) | 0.69 (17.53) | 0.595 (15.11) | - | - | 0.290 (7.37) | - | - | 0.3750-0.05P-0.1L-DS-2B | 0.4375-28 UNEF-2A |
| 7 | 0.755 (19.18) | 0.79 (20.07) | 0.73 (18.36) | - | - | 0.390 (9.91) | - | - | 0.4375-0.05P-0.1L-DS-2B | 0.5625-32 UNEF-2A |
| 8 | 0.755 (19.18) | 0.83 (21.08) | 0.73 (18.36) | - | - | 0.445 (11.30) | - | - | 0.5000-0.05P-0.1L-DS-2B | 0.5625-32 UNEF-2A |
| 9 | 0.830 (21.08) | 0.92 (23.37) | 0.790 (20.07) | - | - | 0.500 (12.70) | - | - | 0.5625-0.05P-0.1L-DS-2B | 0.625-28 UNEF-2A |
| 10 | 0.890 (22.61) | 0.98 (24.89) | 0.855 (21.72) | - | - | 0.560 (14.22) | - | - | 0.6250-0.05P-0.1L-DS-2B | 0.6875-28 UNEF-2A |
| 13 | 1.078 (27.38) | 1.10 (27.94) | 1.044 (26.52) | - | - | 0.650 (16.51) | - | - | 0.81250-.1P-0.2L-DS-2B | 0.875-28 UNEF-2A |
Receptacles with PC Tail or Solder Cups (MD801-011, MD801-033)
| Shell Size | A (in/mm) | Sq | B Bsc | C (in/mm) | D (in/mm) | E (in/mm) | F (in/mm) | Holes | Thread | 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 |
| 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 | |
| 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 | |
| 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 | |
| 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 |
| 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 | |
| 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 |
Contact Tools & Sealing Plugs
| Contact Size | Wire Size Range | Pin Contacts | Sockets | Sealing Plugs | Insertion/Removal Tool | Crimp Tool | Positioner |
|---|---|---|---|---|---|---|---|
| #22 | #22-#28 | 806-0060-210 | 857-0060-210 | None | M81969/1-05 | M22520/1-01 | K1461 |
| #20 | #20-#24 | M39029/58-363 | M39029/57-357 | - | - | M22520/2-01 | M22520/1-04 |
| #16 | #16-#20 | M39029/58-364 | M39029/57-358 | - | - | M22520/1-01 | M22520/1-04 |
| #12 | #12-#14 | M39029/58-365 | M39029/57-359 | - | - | M22520/1-01 | M22520/1-04 |
Shell Keying Positions (Degrees)
| Position | A | B | C | D | E | F |
|---|---|---|---|---|---|---|
| A | 150 | 75 | 95 | 140 | 75 | 95 |
| B | 210 | 210 | 230 | 275 | 275 | 210 |
2411041603_Bel-Fuse-MD801-009-02MT10-26PA_C21558301.pdf
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