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BS61089B-8

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Bencent Thyristors (SCR)/Modules, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BS61089B-8

Bencent · Thyristors (SCR)/Modules · SOP-8

BS61089B-8 from Bencent, in a SOP-8. 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 K1 passive Cathode 1 (Tip) of the thyristor surge suppressor, connected to pin 8; repetitive peak off-state voltage -170 V with VGK=0.
2 G input Gate (programming) input that sets the protection voltage over the -20 V to -155 V range, with gate trigger current 5 mA max and repetitive peak gate-cathode voltage -167 V.
3 NC unconnected No connection.
4 K2 passive Cathode 2 (Ring) of the thyristor surge suppressor, connected to pin 5; repetitive peak off-state voltage -170 V with VGK=0.
5 K2 passive Cathode 2 (Ring) of the thyristor surge suppressor, connected to pin 4; non-repetitive peak on-state pulse current 40 A (5/320uS).
6 A power_in Anode (Ground) common reference of the suppressor, same net as pin 7.
7 A power_in Anode (Ground) common reference of the suppressor, same net as pin 6.
8 K1 passive Cathode 1 (Tip) of the thyristor surge suppressor, connected to pin 1; non-repetitive peak on-state pulse current 40 A (5/320uS).

Key specifications

Parameter Value
Manufacturer Bencent
Package SOP-8
Category Transistors/Thyristors
Pins 8

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 off-state voltage VDRM -170 V VGK=0 1
Repetitive peak gate-cathode voltage VGKRM -167 V VKA=0 1
Storage temperature range Tstg -40 150 ℃ 1
Operating junction temperature Tj -40 150 ℃ 1
Non-repetitive peak on-state pulse current ITSP 40 A 5/320us (ITU-TK.20/21/45, YD/T950, open-circuit voltage wave shape 10/700us) 1
Non-repetitive peak on-state current ITSM 6.5 A 60Hz, 0.1 s 1
Non-repetitive peak on-state current ITSM 3.6 A 60Hz, 1 s 1
Non-repetitive peak on-state current ITSM 2.2 A 60Hz, 5 s 1
Non-repetitive peak on-state current ITSM 0.9 A 60Hz, 300 s 1
Surge peak pulse current rating IPP 30 A Current waveform 10/1000us, voltage waveform 10/1000us 3
Storage temperature range TS -60 150 ℃ 3
Forward voltage VF 3 V IF=5A, tw=200us 2
Peak forward recovery voltage VFRM 10 V 2/10us, IF=100A, Rs=50Ω, di/dt=80A/us 2
Off-state current IDRM -5 uA VDRM=-170V, VGK=0, Tj=25℃ 2
Switching voltage VS -112 V 2/10us, ITM=-100A, Rs=50Ω, di/dt=-80A/us, VGG=-100V 2
Holding current IH -150 mA IT=-1A, di/dt=1A/mS, VGG=-100V 2
Gate reverse current IGAS -5 uA VGG=VGK=-167V, VKA=0, Tj=25℃ 2
Gate trigger current IGT 5 mA IT=-3A, tp(g)≥20us, VGG=-100V 2
Gate trigger voltage VGT 2.5 V IT=-3A, tp(g)≥20us, VGG=-100V 2
Anode-cathode off-state capacitance CAK 100 pF F=1MHz, Vd=1V, IG=0, VD=-3V 2

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 Alloy Lead Material Copper Alloy 3

CAD (KiCad official)

  • Symbol: BS61089B-8
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: bs61089b-8-etched.step / bs61089b-8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bs61089b-8.step / bs61089b-8.glb are the bare package body.

Provenance

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

  • Datasheet: Bencent datasheet (5 pp, sha256 fbc3e12d04d8b45d, 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