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BAS70T

CBI · Schottky Diodes · SOT-523

BAS70T from CBI, in a SOT-523. 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 A passive Anode of the single Schottky diode (BAS70T, marking 7C); VRRM/VR 70 V, IFM 70 mA.
2 NC unconnected Not connected internally in the single-diode BAS70T; the symbol shows no diode on this lead.
3 K passive Cathode of the single Schottky diode (BAS70T, marking 7C); VRRM/VR 70 V, IFM 70 mA.

Key specifications

Parameter Value
Manufacturer CBI
Package SOT-523
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
Reverse breakdown voltage V(BR) 70 V IR=10µA 1
Reverse voltage leakage current IR 100 nA VR=50V 1
Forward voltage VF 410 mV IF=1mA 1
Forward voltage VF 1000 mV IF=15mA 1
Diode capacitance CD 2 pF VR=0, f=1MHz 1
Reverse recovery time trr 5 ns IF=IR=10mA, Irr=0.1xIR, RL=100Ω 1
Peak repetitive peak reverse voltage / working peak reverse voltage / DC blocking voltage VRRM, VRWM, VR 70 V 1
Forward continuous current IFM 70 mA 1
Non-repetitive peak forward surge current IFSM 100 mA t = 8.3ms 1
Power dissipation PD 150 mW 1
Junction temperature TJ 125 ℃ 1
Storage temperature TSTG -55 150 ℃ 1
Thermal resistance junction to ambient RθJA 667 ℃/W 1

CAD (KiCad official)

  • Symbol: BAS70T
  • Footprint: Package_TO_SOT_SMD:SOT-523
  • 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: bas70t-etched.step / bas70t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bas70t.step / bas70t.glb are the bare package body.

Provenance

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

  • Datasheet: CBI datasheet (3 pp, sha256 df7f3c652ec938ee, retrieved 2026-10-18, 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