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ALJP61089B

Public Made by Adom

by adom

ALJ ESD And Surge Protection (TVS/ESD), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ALJP61089B

ALJ · ESD And Surge Protection (TVS/ESD) · SOP-8

ALJP61089B from ALJ, 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/K2 passive Connects to a subscriber line (Tip/Ring); the datasheet gives no pin-specific voltage or current limit for this connection.
2 G passive Connects to battery as the reference voltage for the thyristor breakover, with a repetitive peak gate-cathode voltage rating of -120 V (VGKRM).
3 NC unconnected Not connected.
4 K1/K2 passive Connects to a subscriber line (Tip/Ring); the datasheet gives no pin-specific voltage or current limit for this connection.
5 K1/K2 passive Connects to a subscriber line (Tip/Ring); the datasheet gives no pin-specific voltage or current limit for this connection.
6 A power_in Connects to ground.
7 A power_in Connects to ground.
8 K1/K2 passive Connects to a subscriber line (Tip/Ring); the datasheet gives no pin-specific voltage or current limit for this connection.

Key specifications

Parameter Value
Manufacturer ALJ
Package SOP-8
Category Circuit Protection
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
Operating free-air temperature range TA -40 85 °C 2
Storage temperature range Tstg -40 150 °C 2
Junction temperature Tj -40 150 °C 2
Maximum lead temperature for soldering TL 260 °C during 10s 2
Junction to free air thermal resistance RθJA 120 °C/W 2
Repetitive peak off-state voltage VDRM -170 V VGK = 0 2
Repetitive peak gate-cathode voltage VGKRM -120 V VKA=0 2
Non-repetitive peak on-state pulse current IPPSM 30 A 10/1000us (Telcordia (Bellcore) GR-1089-CORE, Issue 3) 2
Non-repetitive peak on-state pulse current IPPSM 40 A 5/310us (TU-T K.20, K.21& K.45, K.44 open-circuit voltage wave shape 10/700 µs) 2
Non-repetitive peak on-state pulse current IPPSM 120 A 2/10us (Telcordia (Bellcore) GR-1089-CORE, Issue 3) 2
Non repetitive peak on-state current (sinusoidal) ITSM 6.5 A 60Hz, 0.1s 2
Non repetitive peak on-state current (sinusoidal) ITSM 4.5 A 60Hz, 1s 2
Non repetitive peak on-state current (sinusoidal) ITSM 2.4 A 60Hz, 5s 2
Non repetitive peak on-state current (sinusoidal) ITSM 1.3 A 60Hz, 30s 2
Non repetitive peak on-state current (sinusoidal) ITSM 0.72 A 60Hz, 900s 2
Forward voltage VF 3 V IF = 5A, tW = 200μs 3
Impulse peak forward recovery voltage VFRM 10 V 2/10μs, IF = 100A, RS = 50Ω, di/dt=80A/us 3
Off-state current ID -5 μA VD= -120V, VGK=0, TJ = 25°C 3
Impulse breakover voltage V(BO) -112 V 2/10μs, ITM = 100A, RS = 50Ω, di/dt = -80A/μs, VGG = -100V 3
Holding current IH -150 mA IT = -1A, di/dt = 1A/ms, VGG = -100V 3
Gate reverse current IGAS -5 μA VGG=VGK= -167V, VKA=0, TJ = 25 °C 3
Gate trigger current IGT 5 mA IT=3A, tp(g)≥20us, VGG=-100V 3
Gate trigger voltage VGT 2.5 V IT=3A, tp(g)≥20us, VGG=-100V 3
Anode-cathode offstate capacitance CKA 110 pF f=1MHz, VD=1V, IG=0, VD=-3V 3
Anode-cathode offstate capacitance CKA 55 pF f=1MHz, VD=1V, IG=0, VD=-48V 3

CAD (KiCad official)

  • Symbol: ALJP61089B
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: aljp61089b-etched.step / aljp61089b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); aljp61089b.step / aljp61089b.glb are the bare package body.

Provenance

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

  • Datasheet: ALJ datasheet (4 pp, sha256 48b0e8f1218b957c, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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