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MC7915CTG

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by Ray

onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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MC7915CTG

onsemi · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220

MC7915CTG from onsemi, in a TO-220. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Common ground reference. Must be shared between the input and output circuits. Package tab is NOT tied to this pin (tab is connected to Input, pin 2).
2 VI power_in Unregulated negative input voltage. For the MC7915C variant, VI must be at least ~2.0 V more negative than VO (typical dropout 1.3 V). Absolute maximum input voltage is -35 Vdc. Package heatsink tab is electrically connected to this pin. A 0.33 uF input capacitor (CIN) is required when the regulator is located an appreciable distance from the power supply filter.
3 VO power_out Regulated -15 V negative output. Delivers output currents in excess of 1.0 A with adequate heatsinking. A 1.0 uF output capacitor (CO) is recommended to improve stability and transient response.

Key specifications

Parameter Value
Manufacturer onsemi
Package TO-220
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • MC7915CTG
  • MC7915CTGBTG
  • MC7915CTGACTG
  • MC7915CTGD2TG
  • MC7915CTGD2TR4G

CAD (KiCad official)

  • Symbol: MC7915CTG
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: onsemi datasheet (16 pp, sha256 01e22db47f1a6088, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF