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Small black USB-C power adapter with dual USB outputs

Dell TBFFDTC 9 V USB-C Power Adapter Black

SKU CH-T6K6-SRR14

A 12 V to 24 V car power converter delivering 5 V at 3 A through dual USB ports with up to 92 percent efficiency

  • Adapter typeUSB C Charger
  • Units per package1
  • Product type9 V
  • Product colorBlack
  • DetailsTBFFDTC
  • Key featuresTBFFDTC
  • Converts 12-24 V vehicle power to 5 V 3 A USB-C output
  • Delivers up to 15 W through dual USB ports for simultaneous charging
  • Operates from 8-36 V input across -40 °C to +80 °C range
  • Achieves up to 92 % conversion efficiency at 340 kHz switching
  • Compact 45×26×12 mm module weighs only 50-60 g

Dell 9 V USB-C Power Adapter

This Dell TBFFDTC adapter converts a vehicle DC supply into a stable 5 V output through dual USB ports. It accepts an input range of 12 to 24 V and delivers up to 15 W of regulated power. The compact module suits drivers who need to charge phones or tablets from a car socket.

Dual USB output and high efficiency

Two USB ports share a combined 3 A current limit while the converter operates at up to 92 percent efficiency. A switching frequency of 340 kHz helps maintain low heat across the 8 to 36 Vdc input span. The unit functions reliably from minus 40 to plus 80 degrees Celsius.

Check vehicle voltage and port fit

Verify that your vehicle supply stays within the 8 to 36 Vdc range before connecting. Ensure the straight-headed mini plug matches the accessory socket geometry. The 45 by 26 by 12 mm body should clear surrounding trim without obstruction.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $57.99
Pricier than about 82% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameDell
Product lineTBFFDTC
Model nameTBFFDTC
Part numberTBFFDTC
Product type9 V
Adapter typeUSB C Charger
Product colorBlack
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight50 g
In the box
Units per package1

Questions about this item

Will the DC-DC converter module need any maintenance or replacement parts over time?

The sealed solid-state module has no user-serviceable parts and no moving components, so it does not require scheduled maintenance or consumable replacements.

What limit appears first when the adapter runs continuously at full 15 W output?

The thermal ceiling of the enclosure is reached first; at 92 % efficiency the dissipated heat raises the case temperature until the -40 °C to +80 °C operating window is approached.

How much noise and heat does the adapter produce when powering a load all day?

The 340 kHz switching frequency is inaudible, and with 92 % efficiency only a small fraction of the 15 W becomes warmth that the compact 45 × 26 × 12 mm case must dissipate.

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