# HT62783ANZ

**HTCSEMI** · Darlington Transistor Arrays · DIP-18

HT62783ANZ from HTCSEMI, in a DIP-18. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | IN 1 | input | Logic input for channel 1; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 2 | IN 2 | input | Logic input for channel 2; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 3 | IN 3 | input | Logic input for channel 3; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 4 | IN 4 | input | Logic input for channel 4; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 5 | IN 5 | input | Logic input for channel 5; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 6 | IN 6 | input | Logic input for channel 6; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 7 | IN 7 | input | Logic input for channel 7; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 8 | IN 8 | input | Logic input for channel 8; turn-ON threshold ≥ 2.0 V, turn-OFF threshold ≤ 0.8 V |
| 9 | Vcc | power_in | Positive power supply pin; recommended operating range 0-50 V |
| 10 | GND | power_in | Common ground reference pin |
| 11 | OUT 8 | output | Darlington output sink for channel 8; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 12 | OUT 7 | output | Darlington output sink for channel 7; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 13 | OUT 6 | output | Darlington output sink for channel 6; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 14 | OUT 5 | output | Darlington output sink for channel 5; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 15 | OUT 4 | output | Darlington output sink for channel 4; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 16 | OUT 3 | output | Darlington output sink for channel 3; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 17 | OUT 2 | output | Darlington output sink for channel 2; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |
| 18 | OUT 1 | output | Darlington output sink for channel 1; maximum 500 mA at 50 V sustaining voltage with integrated clamp diodes |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HTCSEMI |
| Package | DIP-18 |
| Category | Transistors/Thyristors |
| Pins | 18 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output current (one channel) | IOUT |  |  | -500 | mA | One channel; footnote * not printed | 5 |
| Clamp diode reverse voltage | VR |  |  | 50 | V |  | 5 |
| Clamp diode forward current | IF |  |  | 500 | mA |  | 5 |
| Storage temperature | Tstg | -60 |  | 150 | °C |  | 5 |
| Supply voltage | VCC | 0 |  | 50 | V |  | 5 |
| Output current (one channel) | IOUT |  |  | -350 | mA | One channel; footnote * not printed | 5 |
| Output current, 8 channels, duty 10% | IOUT |  |  | -180 | mA | 8 channels at Tpw = 25 ms, Ta = 85 °C, Tj = 120 °C, Duty 10% | 5 |
| Output current, 8 channels, duty 50% | IOUT |  |  | -38 | mA | 8 channels at Tpw = 25 ms, Ta = 85 °C, Tj = 120 °C, Duty 50% | 5 |
| Clamp diode reverse voltage | VR |  |  | 50 | V |  | 5 |
| Clamp diode forward current | IF |  |  | 400 | mA |  | 5 |
| Output leakage current | ICEX |  |  | 100 | µA | VCC = 50 V, VIN = 0,4 V; Ta 25±10 °C | 6 |
| Clamp diode reverse current | IR | 50 |  | 60 | µA | VR = 50 V; Ta 25±10 °C | 6 |

## CAD (KiCad official)

- Symbol: `HT62783ANZ`
- Footprint: `Package_DIP:DIP-18_W7.62mm`
- 3D model: DIP-18 (KiCad packages3D, STEP)
- 3D model files: `ht62783anz-etched.step` / `ht62783anz-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ht62783anz.step` / `ht62783anz.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HTCSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225669733969920) (9 pp, sha256 `4c60d9ab60c01d0b`, retrieved 2026-09-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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](docs/ht62783anz-datasheet.pdf)