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MBR2045CTP

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SMC Sangdest Microelectronicstronic Nanjing Schottky Diodes, TO-220AB-3. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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MBR2045CTP

SMC Sangdest Microelectronicstronic Nanjing · Schottky Diodes · TO-220AB-3

MBR2045CTP from SMC Sangdest Microelectronicstronic Nanjing, in a TO-220AB-3. 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 leg, rated 10A average forward current per leg and 45V VRRM.
2 CK passive Common cathode of both diode legs, connected to the case/tab as shown in the circuit diagram; 20A per device total.
3 A2 passive Anode of the second Schottky diode leg, rated 10A average forward current per leg and 45V VRRM.

Key specifications

Parameter Value
Manufacturer SMC Sangdest Microelectronicstronic Nanjing
Package TO-220AB-3
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
Forward Voltage Drop (per leg), 20A pulse VF1 0.74 0.84 V @ 20A, Pulse, TJ = 25 C 1
Forward Voltage Drop (per leg), 20A pulse, 125 C VF2 0.7 0.72 V @ 20A, Pulse, TJ = 125 C 1
Reverse Current (per leg) IR1 0.03 1 mA @VR = rated VR, TJ = 25 C 1
Reverse Current (per leg) IR2 9 15 mA @VR = rated VR, TJ = 125 C 1
Junction Capacitance (per leg) CT 250 400 pF @VR = 5V, TC = 25 C, fSIG = 1MHz 1
Voltage Rate of Change dv/dt 10000 V/s 1
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM 45 V 1
Average Rectified Forward Current (per leg) IF (AV) 10 A 50% duty cycle @Tc=116°C, rectangular wave form 1
Average Rectified Forward Current (per device) IF (AV) 20 A 50% duty cycle @Tc=116°C, rectangular wave form 1
Peak One Cycle Non-Repetitive Surge Current (per leg) IFSM 250 A 8.3ms, Half Sine pulse 1
Junction Temperature TJ -55 150 °C 2
Storage Temperature Tstg -55 150 °C 2
Typical Thermal Resistance Junction to Case Rth(j-c) 5 °C/W DC operation 2

CAD (KiCad official)

  • Symbol: MBR2045CTP
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB-3 (KiCad packages3D, STEP)
  • 3D model files: mbr2045ctp-etched.step / mbr2045ctp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbr2045ctp.step / mbr2045ctp.glb are the bare package body.

Provenance

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

  • Datasheet: SMC Sangdest Microelectronicstronic Nanjing datasheet (4 pp, sha256 f4f07e5e81c93e04, retrieved 2026-10-21, tier: lcsc)
  • 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