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CI20S65D3

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by adom

Tokmas SiC Diodes, TO-247-3. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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CI20S65D3

Tokmas · SiC Diodes · TO-247-3

CI20S65D3 from Tokmas, in a TO-247-3. 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 diode leg (Pin 1), rated 650 V repetitive peak reverse voltage and 13 A continuous forward current per leg at TC=135°C.
2 CASE passive Common cathode of both diode legs, connected internally to the case/tab (Pin 2 on the diagram, labeled CASE), rated 650 V DC blocking voltage.
3 A2 passive Anode of the second diode leg (Pin 3), rated 650 V repetitive peak reverse voltage and 13 A continuous forward current per leg at TC=135°C.

Key specifications

Parameter Value
Manufacturer Tokmas
Package TO-247-3
Category Silicon Carbide (SiC) Devices
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 VF 1.5 2 V IF = 10 A, TJ=25°C; Fig. 1 2
Forward Voltage VF 1.6 2.4 V IF = 10 A, TJ=175°C; Fig. 1 2
Reverse Current IR 12 24 μA VR = 650 V, TJ=25°C; Fig. 2 2
Reverse Current IR 60 220 μA VR = 650 V, TJ=175°C; Fig. 2 2
Repetitive Peak Reverse Voltage VRRM 650 V 1
Surge Peak Reverse Voltage VRSM 650 V 1
DC Blocking Voltage VDC 650 V 1
Continuous Forward Current IF 27.5 A Per leg, TC=25°C; Fig. 3 1
Continuous Forward Current IF 55 A Per device, TC=25°C; Fig. 3 1
Continuous Forward Current IF 13 A Per leg, TC=135°C; Fig. 3 1
Continuous Forward Current IF 26 A Per device, TC=135°C; Fig. 3 1
Continuous Forward Current IF 10 A Per leg, TC=149°C; Fig. 3 1
Continuous Forward Current IF 20 A Per device, TC=149°C; Fig. 3 1
Repetitive Peak Forward Surge Current IFRM 46 A TC=25°C, tP = 10 ms, Half Sine Wave (asterisk-marked value) 1
Repetitive Peak Forward Surge Current IFRM 31 A TC=110°C, tP=10 ms, Half Sine Wave (asterisk-marked value) 1
Non-Repetitive Peak Forward Surge Current IFSM 90 A TC=25°C, tp = 10 ms, Half Sine Wave (asterisk-marked value) 1
Non-Repetitive Peak Forward Surge Current IFSM 71 A TC=110°C, tp = 10 ms, Half Sine Wave; Fig. 8 (asterisk-marked value) 1
Non-Repetitive Peak Forward Surge Current IFSM 860 A TC=25°C, tP = 10 µs, Pulse (asterisk-marked value) 1
Non-Repetitive Peak Forward Surge Current IFSM 680 A TC=110°C, tP = 10 µs, Pulse; Fig. 8 (asterisk-marked value) 1
Power Dissipation (Per Leg/Device) Ptot 136.5 W TC=25°C 1
Power Dissipation (Per Leg/Device) Ptot 59 W TC=110°C; Fig. 4 1
Diode dV/dt ruggedness dV/dt 200 V/ns VR=0-650V 1
Operating Junction and Storage Temperature TJ , Tstg -55 175 °C 1
TO-247 Mounting Torque 1 Nm M3 screw 1
TO-247 Mounting Torque 8.8 lbf-in 6-32 screw 1
Thermal Resistance from Junction to Case RθJC 1.3 °C/W Per leg (printed **); Fig. 9 2
Thermal Resistance from Junction to Case RθJC 0.65 °C/W Both legs (printed *); Fig. 9 2

CAD (KiCad official)

  • Symbol: CI20S65D3
  • Footprint: Package_TO_SOT_THT:TO-247-3_Vertical
  • 3D model: TO-247-3 (KiCad packages3D, STEP)
  • 3D model files: ci20s65d3-etched.step / ci20s65d3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ci20s65d3.step / ci20s65d3.glb are the bare package body.

Provenance

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

  • Datasheet: Tokmas datasheet (5 pp, sha256 d691ae2cb518f663, 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