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CS45-16IO1

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Littelfuse IXYS Thyristors (SCR)/Modules, TO-247AD. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CS45-16IO1

Littelfuse IXYS · Thyristors (SCR)/Modules · TO-247AD

CS45-16IO1 from Littelfuse IXYS, in a TO-247AD. 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 C passive Cathode of the thyristor; the datasheet labels it C on the TO-247 AD (version io1) drawing.
2 A passive Anode of the thyristor, also connected to the metal tab (A (TAB)) on version io1; the tab is not isolated (VISOL is rated for version io1R only).
3 G input Gate trigger input; VGT max 1.5 V and IGT max 100 mA at 25°C (VD = 6 V), with VRGM of 10 V.

Key specifications

Parameter Value
Manufacturer Littelfuse IXYS
Package TO-247AD
Category Transistors/Thyristors
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 (type CS 45-16io1) VRRM 1600 V type table, CS 45-16io1 1
Non-repetitive peak reverse voltage (type CS 45-16io1) VRSM 1700 V type table, CS 45-16io1 1
RMS on-state current IT(RMS) 75 A TVJ = TVJM 1
Average on-state current IT(AV)M 48 A TC = 75°C; 180° sine 1
Surge on-state current ITSM 520 A TVJ = 45°C; t = 10 ms (50 Hz), sine 1
Surge on-state current ITSM 560 A VR = 0 V; t = 8.3 ms (60 Hz), sine 1
Surge on-state current ITSM 460 A TVJ = TVJM; t = 10 ms (50 Hz), sine 1
Surge on-state current ITSM 500 A VR = 0 V; t = 8.3 ms (60 Hz), sine 1
I2t value I2t 1350 A²s TVJ = 45°C; t = 10 ms (50 Hz), sine 1
I2t value I2t 1300 A²s VR = 0 V; t = 8.3 ms (60 Hz), sine 1
I2t value I2t 1050 A²s TVJ = TVJM; t = 10 ms (50 Hz), sine 1
I2t value I2t 1030 A²s VR = 0 V; t = 8.3 ms (60 Hz), sine 1
Critical rate of rise of on-state current, repetitive (di/dt)cr 150 A/µs TVJ = TVJM; repetitive, IT = 40 A; f = 50 Hz, tP = 200 µs; VD = 2/3 VDRM; IG = 0.3 A; diG/dt = 0.3 A/µs 1
Critical rate of rise of on-state current, non-repetitive (di/dt)cr 500 A/µs non repetitive, IT = IT(AV)M; IG = 0.3 A; diG/dt = 0.3 A/µs 1
Critical rate of rise of off-state voltage (dv/dt)cr 1000 V/µs TVJ = TVJM; VDR = 2/3 VDRM; RGK = ; method 1 (linear voltage rise) 1
Peak gate power dissipation PGM 10 W TVJ = TVJM; tP = 30 µs 1
Peak gate power dissipation PGM 5 W IT = IT(AV)M; tP = 300 µs 1
Average gate power dissipation PG(AV) 0.5 W 1
Peak reverse gate voltage VRGM 10 V 1
Operating junction temperature TVJ -40 140 °C 1
Maximum virtual junction temperature TVJM 140 °C 1
Storage temperature Tstg -40 125 °C 1
Max. acceleration a 50 m/s2 50 Hz 2
Peak reverse and off-state current IR, ID 5 mA TVJ = TVJM; VR = VRRM; VD = VDRM 2
On-state voltage VT 1.64 V IT = 80 A; TVJ = 25°C 2
On-state slope resistance rT 11 mΩ 2
Gate trigger voltage VGT 1.5 V VD = 6 V; TVJ = 25°C 2
Gate trigger voltage VGT 1.6 V VD = 6 V; TVJ = -40°C 2
Gate trigger current IGT 100 mA VD = 6 V; TVJ = 25°C 2
Gate trigger current IGT 200 mA VD = 6 V; TVJ = -40°C 2
Gate non-trigger voltage VGD 0.2 V TVJ = TVJM; VD = 2/3 VDRM 2
Gate non-trigger current IGD 10 mA 2
Latching current IL 150 mA TVJ = 25°C; tP = 10 s; IG = 0.3 A; diG/dt = 0.3 A/µs 2
Holding current IH 100 mA TVJ = 25°C; VD = 6 V; RGK = 2
Gate controlled delay time tgd 2 µs TVJ = 25°C; VD = ½ VDRM; IG = 0.3 A; diG/dt = 0.3 A/µs 2
Thermal resistance junction to case RthJC 0.62 K/W DC current 2
Thermal resistance junction to heatsink RthJH 0.82 K/W DC current 2
Thermal resistance junction to case, conduction angle RthJC 0.71 K/W conduction angle d = 180° 3
Thermal resistance junction to case, conduction angle RthJC 0.748 K/W conduction angle d = 120° 3
Thermal resistance junction to case, conduction angle RthJC 0.793 K/W conduction angle d = 60° 3
Thermal resistance junction to case, conduction angle RthJC 0.817 K/W conduction angle d = 30° 3
On-state voltage at power-loss calculation VT0 0.85 V For power-loss calculations only; TVJ = 125°C 2

CAD (KiCad official)

  • Symbol: CS45-16IO1
  • Footprint: Package_TO_SOT_THT:TO-247-3_Vertical
  • 3D model: TO-247AD (KiCad packages3D, STEP)
  • 3D model files: cs45-16io1-etched.step / cs45-16io1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cs45-16io1.step / cs45-16io1.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse IXYS datasheet (3 pp, sha256 e452445e415fb0cf, retrieved 2026-11-07, 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