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MBR1640CT

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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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MBR1640CT

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

MBR1640CT 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 8 A per leg average forward current and 40 V reverse voltage.
2 CT passive Common cathode of both diode legs (center tap), connected to the metal tab; 16 A per device average forward current.
3 A2 passive Anode of the second Schottky diode leg, rated 8 A per leg average forward current and 40 V reverse voltage.

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
Peak Repetitive Reverse Voltage VRRM 40 V 1
Working Peak Reverse Voltage VRWM 40 V 1
DC Blocking Voltage VR 40 V 1
Average Rectified Forward Current (per leg) IF (AV) 8 A 50% duty cycle @Tc=105°C, rectangular wave form 1
Average Rectified Forward Current (per device) IF (AV) 16 A 50% duty cycle @Tc=105°C, rectangular wave form 1
Peak One Cycle Non-Repetitive Surge Current (per leg) IFSM 180 A 8.3ms, Half Sine pulse 1
Forward Voltage Drop (per leg) VF1 0.85 V @ 16A, Pulse, TJ = 25 C 1
Forward Voltage Drop (per leg) VF2 0.75 V @ 16A, Pulse, TJ = 125 C 1
Reverse Current (per leg) IR1 1 mA @VR = rated VR, TJ = 25 C 1
Reverse Current (per leg) IR2 15 mA @VR = rated VR, TJ = 125 C 1
Junction Capacitance (per leg) CT 400 pF @VR = 5V, TC = 25 C, fSIG = 1MHz 1
Voltage Rate of Change dv/dt 10000 V/s 1
Junction Temperature TJ -55 150 C 2
Storage Temperature Tstg -55 150 C 2
Series Inductance (per leg) LS 8 nH Measured lead to lead 5 mm from package body 1
Typical Thermal Resistance Junction to Case Rth(j-c) 3 C/W DC operation 2

CAD (KiCad official)

  • Symbol: MBR1640CT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB-3 (KiCad packages3D, STEP)
  • 3D model files: mbr1640ct-etched.step / mbr1640ct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbr1640ct.step / mbr1640ct.glb are the bare package body.

Provenance

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

  • Datasheet: SMC Sangdest Microelectronicstronic Nanjing datasheet (3 pp, sha256 ec110f23c09de173, 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