main
History Download
Ray Publish 0.1.0 6a1db04 12d ago

MC7805CT

Tokmas · Linear Voltage Regulators (LDO) · TO-220

MC7805CT from Tokmas, in a TO-220. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Input power_in Unregulated input supply; the datasheet gives an absolute maximum input voltage of 35 V for Vo 5 V to 18 V and 40 V for Vo 24 V.
2 Ground power_in Common ground pin, also connected to the heatsink surface of the TO-220-3 package.
3 Output power_out Regulated output voltage, 5 V for the MC7805CT, with output current up to 1.5 A.

Key specifications

Parameter Value
Manufacturer Tokmas
Package TO-220
Category Power Management ICs
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output voltage Vo 4.8 5 5.2 V Tj=25℃ 2
Output voltage Vo 4.75 5 5.25 V 5.0mA<Io<1.0A, PD <15W; Vi=7.5V to 20V 2
Line regulation Vo 4 100 mV Tj=25℃,Vi=7.5V to 25V 2
Line regulation Vo 1.6 50 mV Tj=25℃,Vi=8V to 12V 2
Load regulation Vo 9 100 mV Tj=25℃,Io=5.0mA to 1.5A 2
Load regulation Vo 4 50 mV Tj=25℃,Io=250mA to 750mA 2
Quiescent current IQ 5 8 mA Tj=25℃ 2
Quiescent current change IQ 0.5 mA Io=5mA to 1.0A 2
Quiescent current change IQ 0.8 mA Vi=8V to 25V 2
Ripple rejection RR 62 73 dB f=120Hz, Vi=8V to 18V 2
Input voltage (for Vo=5V to 18V) Vi 35 V for Vo=5V to 18V 2
Operating temperature Topr -40 125 ℃ 2
Storage temperature Tstg -65 150 ℃ 2
Output voltage drift Vo/T 0.8 mV/℃ Io=5mA 2
Output noise voltage VN 42 V/Vo f=10Hz to 100kHz,Ta=25℃ 2
Dropout voltage Vo 2 V Io=1.0A,Tj=25℃ 2
Output resistance Ro 15 m f=1kHz 2
Short circuit current Isc 230 mA Vi=35V,Ta=25℃ 2
Peak current Ipk 2.2 A Tj=25℃ 2

CAD (KiCad official)

  • Symbol: MC7805CT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: mc7805ct-etched.step / mc7805ct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc7805ct.step / mc7805ct.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Tokmas datasheet (9 pp, sha256 e61ea90b8763d6ec, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF