# SDNT1608X503J4150HTF

**Sunlord** · NTC Thermistors · 0603

SDNT1608X503J4150HTF from Sunlord, in a 0603. 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 | 1 | passive | Non-polarized terminal of the NTC thermistor. Connects to one metallized end cap of the chip body; interchangeable with pin 2. |
| 2 | 2 | passive | Non-polarized terminal of the NTC thermistor. Connects to the opposite metallized end cap; interchangeable with pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Sunlord |
| Package | 0603 |
| Category | Sensor |
| Pins | 2 |

## Ordering variants

Same part, different packaging or reel option.

- `SDNT1608X503J4150HTF`
- `SDNT0603...`
- `SDNT1005...`
- `SDNT2012...`

## CAD (KiCad official)

- Symbol: `SDNT1608X503J4150HTF`
- Footprint: `Resistor_SMD:R_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `sdnt1608x503j4150htf-etched.step` / `sdnt1608x503j4150htf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sdnt1608x503j4150htf.step` / `sdnt1608x503j4150htf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Sunlord datasheet](docs/sdnt1608x503j4150htf-datasheet.pdf) (4 pp, sha256 `8828a0b6b75af3a4`, retrieved 2026-08-17, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/sdnt1608x503j4150htf-datasheet.pdf)