The HAOHAI 2H1002A4 constant current diode datasheet provides specifications, characteristics, application circuits, and packaging details.
The 2H1002A4 is a 90 V, 1.5 W constant‑current (current regulator) diode offered in a TO‑252 (DPAK) package. It features low start‑up voltage, high efficiency, and a thermal resistance of 65 °C/W, suitable for LED driver and current‑limiting applications.
Typical applications include LED lighting, T5/T8 fluorescent drivers, and other constant‑current sources. The device is supplied in tape‑and‑reel packaging, with 2,500 pieces per reel or 5,000 pieces per box, and is rated for storage temperatures from –40 °C to 125 °C. This manual is written in Chinese.
| Power dissipation | 1.5 W |
|---|---|
| Maximum junction temperature | 125 °C |
| Package type | TO-252 (DPAK) |
| Storage temperature range | -40 °C to 125 °C |
It can dissipate up to 1.5 W of power.
It is supplied in tape‑and‑reel packaging, with 2,500 pieces per reel or 5,000 pieces per box.