# NKNP2W0R18JT

**TyoHM** · Through Hole Resistors · R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal

NKNP2W0R18JT from TyoHM, in a R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal. 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 | 1 | passive | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TyoHM |
| Package | R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal |
| Category | Resistors |
| Pins | 2 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (J = ±5%) |  | -5 |  | 5 | % | Measured at room temperature by bridge method; J code per 2.4 | 2 |
| Temperature coefficient |  | -300 |  | 300 | ppm/°C | Test 7.1: room temp to room temp +50°C, 15 min | 4 |
| Resistance change, temperature cycling |  | -1 |  | 1 | % | Test 7.2: 5 cycles -55°C/200°C, then 1 h unloaded at room temp | 4 |
| Resistance change, short-time overload |  | -2 |  | 2 | % | Test 7.3: 2.5× rated voltage for 5 s, 30 min cooling | 4 |
| Insulation resistance |  | 1000 |  |  | MΩ | Test 7.5: DC 500 V insulation resistance tester | 4 |
| Dielectric withstanding voltage (2W) |  |  |  | 350 | V | Table 4.1 column for 2W; applied 1 min per test 7.4 | 3 |
| Resistance change, moisture life |  | -3 |  | 3 | % | Test 7.6: 40±2°C, 90-95% RH, rated power 1.5 h on / 0.5 h off, 500+24/-0 h | 5 |
| Resistance change, load life |  | -3 |  | 3 | % | Test 7.7: 70°C, rated voltage 1.5 h on / 0.5 h off, 1000+48/-0 h | 5 |
| Resistance change, solder heat resistance |  | -1 |  | 1 | % | Test 7.9: 270±5°C for 10±1 s (or 350±10°C for 3.5±0.5 s), 1 h cooling | 5 |
| Inductance |  |  |  | 1 | µH | Test 7.11: stated as below 1 µH | 5 |
| Operating temperature range |  | -55 |  | 200 | °C | Temperature use range per clause 5 | 4 |
| Resistance range (2W series) | R | 0.1 |  | 2 | Ω | 2W type per table 4.1; too low or too high values supplied case by case | 3 |
| Rated power (2W) | P |  | 2 |  | W | Rated at 70°C ambient; derate above 70°C per curve | 2 |

## CAD (KiCad official)

- Symbol: `NKNP2W0R18JT`
- Footprint: `Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal`
- 3D model: R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [TyoHM datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603093216518553600) (7 pp, sha256 `42fa6bc675959941`, retrieved 2026-11-06, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/nknp2w0r18jt-datasheet.pdf)