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ST20100L

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Changjiang Electronics Tech (CJ) Schottky Barrier Diodes (SBD), TO-277. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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ST20100L

Changjiang Electronics Tech (CJ) · Schottky Barrier Diodes (SBD) · TO-277

ST20100L from Changjiang Electronics Tech (CJ), in a TO-277. 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 Anode 1 passive Anode 1 lead of the common-cathode Schottky rectifier; the device is rated 20A average forward current (IF(AV)) and 100V repetitive peak reverse voltage (VRRM).
2 Anode 2 passive Anode 2 lead of the Schottky rectifier, tied to the same die as Anode 1; the device is rated 20A average forward current (IF(AV)) and 100V VRRM.
3 Cathode & Heatsink passive Cathode connection, which is also the exposed heatsink tab; thermal resistance is 5 °C/W typical between junction and terminal and 80 °C/W typical between junction and ambient.

Key specifications

Parameter Value
Manufacturer Changjiang Electronics Tech (CJ)
Package TO-277
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
Repetitive Peak Reverse Voltage VRRM 100 V 1
Maximum RMS Voltage VRMS 70 V 1
Average Forward Current IF(AV) 20 A 60Hz Half-sine wave, Resistance load, TL=125℃ 1
Junction Temperature TJ -55 150 ℃ 1
Storage Temperature TSTG -55 150 ℃ 1
Peak Forward Voltage (first printed pair) VF 0.65 0.72 V 1
Peak Forward Voltage (second printed pair) VF 0.58 0.65 V 1
Peak Reverse Current IRRM1 0.03 0.1 mA Ta=25℃, VRM=VRRM 1
Peak Reverse Current IRRM2 10 20 mA Ta=125℃, VRM=VRRM 1
Typical junction capacitance CJ 0.95 nF VR=4.0 V, f=1 MHz 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper Thermal resistance from junction to ambient and from junction to lead mounted on P.C.B. with 0.3" x 0.3" (8.0 mm x 8.0 mm) copper 1

CAD (KiCad official)

  • Symbol: ST20100L
  • Footprint: Package_TO_SOT_SMD:TO-277A
  • 3D model: TO-277 (KiCad packages3D, STEP)
  • 3D model files: st20100l-etched.step / st20100l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); st20100l.step / st20100l.glb are the bare package body.

Provenance

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

  • Datasheet: Changjiang Electronics Tech (CJ) datasheet (3 pp, sha256 901f0bd2fcf025ec, retrieved 2026-10-22, 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