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Amphenol TV06QDT257SLC Tri-Start Circular Connector

Amphenol's TV06QDT-25-7S-LC Tri-Start connector is a robust solution for critical applications in military, commercial aviation, and industrial settings. Built to MIL-DTL-38999 standards, this connector provides exceptional durability, resistance to extreme temperatures (-85°F to +392°F), and superior EMI shielding (up to 65 dB at 10 GHz). Its quick-mating design and environmentally-sealed construction ensure reliable performance in harsh conditions. The connector is intermateable with Deutsch, ITT Cannon, Souriau, and other MIL-DTL-38999 series III connectors, offering flexibility in system design. Features include visual mating confirmation, self-locking connectors, and a broad range of military and commercial accessories.

Authorized Distributors
Source:Newark
Part No:TV06QDT-25-7S-LC
Stock:128
Inv Date:05-29-2026
Price: Unit price: $1302.6
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Source:DigiKey
Part No:TV06QDT-25-7S-LC
Stock:128
Inv Date:05-29-2026
Price: Unit price: $1217.6
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Part No:TV06QDT-25-7S-LC
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1057.69
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Part No:TV06QDT-25-7S-LC
Stock:84
Inv Date:05-29-2026
Price: Unit price: $1020.47
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Amphenol TV06QDT257SLC Tri-Start Circular Connector Specifications:

  • Shock: 300grms
  • Contacts: Copper alloy, Gold-plated, 50 microinches per MIL-G-45204 type II, grade C, class I
  • Insulator: Hard dielectric wafer which contains tines for high-reliability retention of crimp contacts
  • Salt Spray: Finish W, S, K, T, & Z: 500 hours per MIL-STD-1334A method 1001 condition C; Finish F: 48 hours per MIL-STD-1334A method 1001 condition C; Finish J & K: 2000 hours per MIL-STD-1334A method 1001 condition C; Finish W52: 48 hours; Finish RB: 500 hours; Finish DT, DZ & ZN: 500 hours
  • Mating Life: 500 cycles minimum
  • Contact Type: Crimp, fibre optic, coax, twinax, or printed circuit
  • Sine Vibration: 60g at -55°C per MIL-DTL-38999K 4.5.22.2.1
  • Grommet & Seals: Silicone-based elastomer
  • Shell & Plating: ['ALUMINUM ALLOY (W - Olive drab chromate over cadmium over electroless nickel per QQ-P-416)', 'COMPOSITE (DT - DurmalonTM)', 'STAINLESS STEEL (K - Conductive, corrosion-resistant steel passivated)', 'MARINE MATERIAL (RB - Nickel aluminum bronze)', 'MARINE MATERIAL (M - Conductive electroless nickel plating)', 'W52 - Olive drab zinc cobalt', 'F - Electroless nickel QQ-N-290', 'Z - Black zinc nickel', 'ZN - Black Zinc nickel']
  • Random Vibration: 49.5grms at ambient temperatures
  • Contact Insertion: Rear-insertion/rear-extraction with simple plastic or high-quality metal hand tools
  • Contact Retention: Per MIL-DTL-38999K tested to MIL-STD-1344A method 2007
  • Grounding Springs: Beryllium copper (grounded plug only)
  • Number of Circuits: 2 to 128
  • Axial Load (Pounds): {'8': '25', '10': '25', '12': '25', '16': '25', '20': '15', '22D': '10'}
  • Chemical Resistance: Lubricating oils, hydraulic fluids, coolants, deicing fluids per MIL-STD-1344A Method 1016 condition A-1
  • Axial Load (Newtons): {'8': '111', '10': '111', '12': '111', '16': '111', '20': '67', '22D': '44'}
  • Operating Temperature: ['-65°C to 175°C (-85°F to 347°F) for W, W52, RB, J & ZN plating', '-65°C to 200°C (-85°F to 392°F) for DT, F, M, K & S plating']
  • Temperature Durability: Finish W: 175°C (347°F); Finish F: 200°C (392°F), mated, wired test period 1000 hours to MIL-STD-1344 Method 1005; Finish DT, M, K & S: 200°C (392°F); Finish J, RB, W52, DZ & ZN: 175°C(347°F)
  • EMI-Shielding Effectiveness: 100 MHz to 10 GHz - minimum attenuation of 50dB
  • Contact Resistance of Mated Contacts End to End: {'12': '42', '16': '49', '20': '55', '22D': '73', '8(power)': '26', '10(power)': '33'}

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Frequently Asked Questions

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You can download the TV06QDT257SLC datasheet or visit the Amphenol website for support.

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Amphenol

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