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Ray Publish 0.1.0 8cc1481 11d ago

MBR3045DT

OSEN · Schottky Diodes · TO-220AB

MBR3045DT from OSEN, in a TO-220AB. 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 A1 passive Anode of the first Schottky diode (common-cathode dual); each leg is rated 45 V VRRM, with total device average forward current of 30 A.
2 K passive Common cathode of both Schottky diodes, tied to the center lead; VRRM is 45 V and total device IF(AV) is 30 A.
3 A2 passive Anode of the second Schottky diode (common-cathode dual); each leg is rated 45 V VRRM, with total device average forward current of 30 A.

Key specifications

Parameter Value
Manufacturer OSEN
Package TO-220AB
Category Diodes
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
Maximum Reverse Leakage Current (Note 1) IR 50 uA VR=VRRM, TC = 25 °C 2
Maximum Instantaneous Forward Voltage (Note 2) VF 0.565 0.6 V IF= 15 A, TC = 25 °C 2
Voltage Rate of Change dV/dt 10000 V/μs 2
Typical Thermal Resistance, Junction to Case Rth(j-c) 2 ℃/W 2
Repetitive Peak Reverse Voltage VRRM 45 V 2
Working peak reverse voltage VRWM 45 V 2
Maximum DC blocking voltage VR 45 V 2
Maximum average forward rectified current (Total device) IF(AV) 30 A 2
Peak Forward Surge Current IFSM 150 A 2
Operating junction temperature range Tj 175 ℃ 2
Storage temperature range Tstg -55 175 ℃ 2

CAD (KiCad official)

  • Symbol: MBR3045DT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB (KiCad packages3D, STEP)
  • 3D model files: mbr3045dt-etched.step / mbr3045dt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbr3045dt.step / mbr3045dt.glb are the bare package body.

Provenance

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

  • Datasheet: OSEN datasheet (2 pp, sha256 ef5d5011d5b98751, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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