It took a while to get there but HGL Tech have finally brought us a stack with 32-bit ESC supporting bursts up to 50 amps! The XJB F440 incorporates all the great things from the previous F428 and the later F438 designs: The TX20 (v2) video transmitter with selectable output power and the F4 flight controller; all super light-weight components and yet even with the 40 amp ESC, the whole stack still comes in at less than 12 grams.

Why choose this over the XJB F438?

The key feature of this stack is ultimately the much more powerful 4 in 1 ESC included. We would recommend choosing the XJB F440 for very powerful builds up to 250mm or if you like the ultra-smooth throttle response delivered by blheli_32 builds. Importantly the DinoShot 40 speed controller in this stack supports up to Dshot1200 and 3s-5s but it does not have its own onboard BEC (BEC output in this stack is delivered by the flight controller).

Note that the DinoShot ESC is a 27×27mm board (32×34mm including pads), so is slightly larger than the FC at 25×25mm and 2mm wider than the 38 amp ESC used by the F438.

Please test using the USB port prior to soldering as soldered boards cannot be accepted for return.

FC wiring diagram

HGLRC F438 flight controller wiring diagram

Specifications for stack components

Flight controller specification
ModelMicro F4 Flight Controller Board with Dshot
MPUMPU6000-SPI
CPUSTM32F405RGT6, dual 8K.
Black Box16M Flash
Input Voltage2-4s LiPo
OSDIntegrated Betaflight OSD
BEC Output5V@3A
Size25×25mm board, 20mm mounting holes (M2)
Weight3.7g
SupportSbus/PPM/DSMX receiver

DinoShot 32-bit ESC specifications
ModelDinoShot 40AMP 3-5S BLHeli32 4-in-1 ESC
Input Voltage3-5s Lipo battery
Constant Current40A
Peak Current50A
BEC OuputNone
FirmwareBLheli_32
Dimensions27×27mm (main board), 32×34m (including pad)
Installing Hole20×20mm, M2
Weight5.2g
CPUSTM32F051
MOS TubeTOP QUALITY MOSFET
FirmwareBetaflight
SupportsUp to Dshot1200, Oneshot125/42, MultiShot, Damped mode, forward and reverse

FPV transmitter specifications
ModelHGLRC XJB-TX20 v2 Mini FPV Transmitter
Output powerPIT/25mW/100mW/200mW/350mW switchable
Input7-26V, BEC 5V-1A
Video systemNTSC/PAL
AntennaIPEX
Frequency5.8GHz 6 bands 48 channels with Raceband: 5362-5945MHz
Dimensions:24×24mm, Hole:20×20mm
Weight2.4g

Technical Details for HGLRC XJB F440 40A 3-5s BLHeli32 4 in 1 ESC & vTx

Weight12.0g (0.4oz.)
£69.50
£57.92 ex. VAT     £69.50 inc. VAT
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