Details

---

BUY 78M12 https://www.utsource.net/itm/p/6972398.html
78M12 TO-251 Three-terminal voltage regulator tube 12V 1000MA，Factory direct sale

Parameter	Value	Unit
Input Voltage	14.5 to 20	V
Output Voltage	12	V
Output Current	0.5	A
Dropout Voltage	2	V
Quiescent Current	8	mA
Operating Temp.	-40 to +85	°C
Storage Temp.	-65 to +150	°C
Junction Temp.	-65 to +150	°C

Instructions for Use:

1. Power Supply Connection: Connect the input voltage to the input pin of the 78M12. Ensure that the input voltage is within the specified range (14.5V to 20V) to avoid damage.
2. Output Load: Connect the load to the output pin. The 78M12 can supply up to 0.5A of current continuously.
3. Grounding: Ensure a proper ground connection for both input and output to maintain stability and performance.
4. Heat Sinking: Although not always necessary, consider using a heat sink if operating near the maximum output current or in environments approaching the upper temperature limits.
5. Capacitors: For optimal performance, place a 0.33μF capacitor between the input and ground and a 0.1μF capacitor between the output and ground. This helps in stabilizing the regulator and reducing ripple.
6. Avoid Overheating: Monitor the junction temperature to prevent overheating, especially under high load conditions or in confined spaces with poor ventilation.

(For reference only)