WAWEIS
WAWEIS 12V AC/DC Adapter for Futaba FBC-30B(4) TX/Jensen A21220N
A 12 V AC/DC adapter with 100–240 V input, 6.5 ft cord and full safety protections for Futaba FBC-30B(4) and Jensen A21220N transmitters
- World-wide 100-240 V input works on any mains supply
- 5 ft total cord length gives flexible placement
- FCC, CE and RoHS certified for safety compliance
- Multiple protection circuits guard against over-current, over-voltage and short circuits
- 100 % compatible replacement for Futaba FBC-30B(4) and Jensen A21220N
What this adapter powers
The WAWEIS 12V AC/DC adapter replaces the original supply for Futaba FBC-30B(4) radio transmitters and Jensen A21220N chargers. It accepts world-wide 100-240VAC input at 50/60Hz and delivers regulated 12V output. The unit is built with new components and carries FCC, CE and RoHS certification for safe operation.
Continuous operation behaviour
Over-current, over-voltage and short-circuit protection circuits guard the adapter during extended charging sessions. A smart-chip thermal guard monitors internal temperature and throttles power if overheating is detected. The 6.5 ft power cord allows flexible placement while the isolation materials reduce electrical interference during long use.
Thermals noise and power draw
The Class 2 transformer design runs cool under normal load without active cooling. No fan means silent operation in a workshop or field station. Overload protection with high-quality wires limits heat rise, and the anti-interference isolation keeps conducted noise low while maintaining stable 12V output.
Highlights
- World-wide 100-240 V input works on any mains supply
- 5 ft total cord length gives flexible placement
- FCC, CE and RoHS certified for safety compliance
- Multiple protection circuits guard against over-current, over-voltage and short circuits
- 100 % compatible replacement for Futaba FBC-30B(4) and Jensen A21220N
Specifications
No published specifications for this item yet.
Questions about this item
How much heat and noise does the 12 V adapter produce when left plugged in all day?
The unit is a sealed Class 2 transformer with no fan, so it runs silently and generates only mild warmth during continuous use.
What must I already own for this 12 V adapter to charge my transmitter?
You need a Futaba FBC-30B(4) or Jensen A21220N radio transmitter that accepts a 12 V DC barrel input; the adapter cannot charge other devices.
Will the 6.5 ft cord reach my older Futaba TX1100 base station without an extension?
Yes, the 6.5 ft power cord is long enough for typical bench setups and the barrel plug matches the TX1100 charging port directly.
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