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HQ6025LH5TP

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by adom

LITTELFUSE INC Global Sourcing Parts, TO-220AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HQ6025LH5TP

LITTELFUSE INC · Global Sourcing Parts · TO-220AB

HQ6025LH5TP from LITTELFUSE INC, in a TO-220AB. 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 MT1 passive Main terminal 1 of the bidirectional Alternistor triac, part of the 25 A RMS on-state current rating (TC = 95°C) and the 600 V VDRM/VRRM rating for the HQ6025LH5.
2 MT2 passive Main terminal 2 of the bidirectional Alternistor triac, shared with the 25 A RMS on-state current and 600 V VDRM/VRRM ratings; the mounting tab is isolated and is not a separate signal pin.
3 GATE input Gate lead used to trigger the triac, with a maximum IGT of 50 mA and maximum VGT of 1.3 V at VD = 12 V, RL = 60 Ω in quadrants I-III, and a peak gate current IGTM of 2 A and average gate power PG(AV) of 0.5 W at TJ = 150°C.

Key specifications

Parameter Value
Manufacturer LITTELFUSE INC
Package TO-220AB
Category Global Sourcing Parts
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
On-state voltage VTM 1.4 V IT = 35.4A; tp = 380 μs 2
Repetitive peak off-state / reverse blocking current, TJ = 25°C IDRM / IRRM 5 μA VDRM / VRRM; TJ = 25°C 2
Repetitive peak off-state / reverse blocking current, TJ = 150°C IDRM / IRRM 6000 μA VDRM / VRRM; TJ = 150°C 2
Gate trigger current IGT 50 mA VD = 12V RL = 60 Ω; quadrants I, II, III 2
Gate trigger voltage VGT 1.3 V VD = 12V RL = 60 Ω; quadrants I, II, III 2
Gate non-trigger voltage VGD 0.2 V VD = VDRM RL = 3.3 kΩ TJ = 150°C; quadrants I, II, III 2
Holding current IH 80 mA IT = 400mA (initial) 2
Critical rate of rise of off-state voltage dv/dt 350 V/μs VD = VDRM; gate open; TJ = 150°C 2
Critical rate of rise of off-state voltage at commutation (dv/dt)c 20 V/μs (di/dt)c = 13.3 A/ms; TJ = 150°C 2
Gate-controlled turn-on time tgt 3 μs IG = 2 x IGT PW = 15µs IT = 35.4A 2
RMS on-state current IT(RMS) 25 A HQ6025LH5 TC = 95°C 2
Peak non-repetitive surge current ITSM 250 A full cycle; f = 50Hz; TJ (initial) = 25°C 2
Peak non-repetitive surge current ITSM 300 A full cycle; f = 60Hz; TJ (initial) = 25°C 2
I2t value for fusing I2t 373 A2s tp = 8.3ms 2
Critical rate of rise of on-state current di/dt 100 A/μs f = 60Hz; TJ = 150°C 2
Peak gate current IGTM 2 A TJ = 150°C 2
Average gate power dissipation PG(AV) 0.5 W TJ = 150°C 2
Storage temperature range Tstg -40 150 °C 2
Operating junction temperature range TJ -40 150 °C 2
Thermal resistance junction to case (AC) Rθ(J-C) 2 °C/W HQ6025LH5 junction to case (AC) 2
Thermal resistance junction to ambient Rθ(J-A) 50 °C/W HQ6025LH5 junction to ambient 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 Bend MIL-STD-750: Method 2036, Condition E Terminal Material Copper Alloy 5

CAD (KiCad official)

  • Symbol: HQ6025LH5TP
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB (KiCad packages3D, STEP)
  • 3D model files: hq6025lh5tp-etched.step / hq6025lh5tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hq6025lh5tp.step / hq6025lh5tp.glb are the bare package body.

Provenance

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

  • Datasheet: LITTELFUSE INC datasheet (8 pp, sha256 7b252d2e5e33e97c, retrieved 2026-10-29, 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