7805 voltage regulator module 5 V with rectifier bridge and heatsink

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This compact voltage regulator module is based on a 7805 type linear voltage regulator and provides a stable 5 V output voltage. The module can be supplied with both AC and DC and has a specified input voltage range of 7.5 to 20 V.

When supplied with AC, the input voltage first passes through a KBP310 rectifier bridge which converts the AC voltage to DC. A 220 uF capacitor after the rectifier bridge is used for smoothing the rectified voltage. A smaller tantalum capacitor is also used for filtering and decoupling. On the regulator output side, another 220 uF capacitor and a smaller tantalum capacitor provide additional filtering and stabilization.

The regulator is an NF7805 in a TO 220 package and regulates the input voltage to a nominal 5 V output. The module is equipped with a heatsink to help dissipate the heat generated by the linear regulator. The actual continuous output current depends on the input voltage, load and cooling conditions.

At higher input voltages, the regulator dissipates more power because the voltage difference between input and output is converted into heat. For good efficiency and reduced heating, the input voltage should therefore not be higher than necessary for maintaining a stable 5 V output.

The module is suitable for providing a stable 5 V supply for microcontroller systems, sensors, digital electronics and other circuits requiring 5 V DC.

Facts.
Product type: 7805 linear voltage regulator module
Regulator type: NF7805
Output voltage: 5 V DC
Input voltage DC: 7.5 to 20 V
Input voltage AC: 7.5 to 20 V
Maximum output current: 1.2 A at ca: 8 Volt in
Regulator package: TO 220
Rectifier bridge: KBP310
Smoothing capacitor before regulator: 220 uF
Capacitor after regulator: 220 uF
Additional filtering: Smaller tantalum capacitor before and after regulator
Capacitor voltage rating: 35 V for the specified 220 uF capacitors
Cooling: Heatsink mounted on regulator
Load regulation: 100 mV
Quiescent current: 8 mA
Output noise voltage: 42 uV
Input to output voltage difference: 2 V
Output impedance: 15 mOhm
Module size: 44 x 20.2 mm
Application: Conversion to stable 5 V DC

Included.
1 pc module.

About the product.
Weight: approx 20 gram.
Contact us if you have questions at info@pchbutik.se
Article no: 3826
Remaining stock quantity can be found under the Product details tab.
In our range since: 2026-08-24

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