Recom Switching Regulator, 4.75 → 32V dc Input, 2.5V dc Output, 500mA

  • RS Stock No. 166-6620
  • Mfr. Part No. R-78AA2.5-0.5SMD
  • Manufacturer Recom
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TW
Product Details

R78AAxx-0.5SMD Series

Replacement for R-78Axx-0.5SMD series
High efficiency up to 97%
Adjustable output voltage
Wide input voltage range
Thermal shutdown and continuous short circuit protection
Remote On/Off control
UL94V-0 package material
SMD 10 pin package


Derate output when operating temperature above +71°C.
MTBF to MIL-HDBK 217F (+25°C).
Stk numbers 706-3922 and 706-3957 have fixed output voltages.



Attribute Value
Input Voltage 4.75 → 32V dc
Output Voltage 2.5V dc
Number of Outputs 1
Output Current 500mA
Mounting Type Surface Mount
Package DIP
Minimum Temperature -40°C
Maximum Temperature +85°C
Efficiency 87%
MTBF 29253000h
Load Regulation 0.7%
Line Regulation 0.2%
Ripple And Noise 20mV Pk-Pk
Weight 2.7g
Depth 8.8mm
Width 9.6mm
Length 15.3mm
Temporarily out of stock - back order for despatch 05/05/2020, delivery within 4 working days from despatch date
Price 1 Tube of 33
MYR 39.005
Per Tube
Per unit*
33 +
*price indicative