I have a used Turnigy Trust 45 ESC with a hexTronic BEC and program card for sale. They were used in a Skywing foam airplane with no crashes. When setting it up once it got hot and melted the heat shrink on the back. Other then the heat shrink I never had any problems with it. They are wiredfs with an EC3 connector and ready to go. I am asking $25 OBO shipped CONUS.
Turnigy TRUST SBEC ESCs have a very flexible and broadly capable MCU, able to run all types of brushless motors. The large heat sink and simple PCB layout make heat dissipation consistent, enabling the ESC to be run at its limit, without failure. The ESC is program-card and transmitter programmable with clear and easy to understand instructions included.

Default factory settings:
Brake: off
Battery: LiPo Auto Detect
Low Voltage: 3.2v (power down motor)

Spec.
Max Motor Current: 45A
Max BEC Current: 3A
BEC Voltage: 5.5v
LiPo: 2~6S
NiMH:5~12cells
Weight: 31grams

Programming Options.
Battery Type
Forward/Reverse
Soft Start
LV Setting (Ignore, Reduce Power, Stop Motor)
Timing (Auto, Med, High)
Switching (8,16kHz)
Factory Restore
hexTronik UBEC.
Will supply a solid 5v or 6v to your reciever with a 2 to 5S Lipoly pack.

Specifications;
Output: 5v/3a & 6v/3a (Selectable via jumper)
Ripply: <50mVp-p(@2A/12V)
Input: 5.5v~23v (2 to 5s)
Size:41.6mm*16.6mm*7.0mm
Weight: 12.5g

UBECs are used by connecting the input wires to the battery and the output to the receiver. This allows your Speed Controller to run cooler, and safer as you now have an external circuit to power your receiver. Should the Speed Controller be overloaded and fail, you still have control of your plane.

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