# RBJ-12MR330FT

**FH Guangdong Fenghua Advanced Tech** · Current Sense Resistors / Shunt Resistors · 2512

RBJ-12MR330FT from FH Guangdong Fenghua Advanced Tech, in a 2512. 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 | FH Guangdong Fenghua Advanced Tech |
| Package | 2512 |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature range |  | -55 |  | 155 | °C | Operating temperature range | 2 |
| Resistance tolerance (code F) | R | -1 |  | 1 | % | Tolerance code F = ±1% per part-numbering table | 1 |
| Temperature coefficient of resistance (code M) | TCR | -500 |  | 500 | ppm/°C | TCR code M = ±500 ppm/°C; IEC 60115-1 4.8 at +20/-55/+20/+125/+20 °C | 1 |
| Insulation resistance |  | 1000 |  |  | MΩ | Apply DC 100V 15V between substrate and terminations for 1min | 4 |
| Resistance to soldering heat, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | Lead-free solder bath at 270±5°C for 10s±1s | 3 |
| Substrate bending test, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | Bending distance 2mm (2010, 2512); duration 60s±5s | 3 |
| Endurance at 70°C, ΔR | ΔR | -2 |  | 2 | %R+0.5mΩ | 70±2°C, 1000h, rated voltage 1.5h ON/0.5h OFF | 4 |
| Endurance at upper category temperature, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | 155±2°C, 1000h | 4 |
| Component solvent resistance, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | Iso-propyl alcohol (IPA) 23±5°C, 10h | 4 |
| Operation at low temperature, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | -55±5°C, 1h without load, rated voltage 45min, 15min without load | 4 |
| Short time overload, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | 2.5 times rated voltage for 5s | 4 |
| Damp heat steady state, ΔR | ΔR | -3 |  | 3 | %R+0.5mΩ | 40±2°C, 93%±3%RH, 1000h, rated voltage 1.5h ON/0.5h OFF | 4 |
| Rapid change of temperature, ΔR | ΔR | -1 |  | 1 | %R+0.5mΩ | -55 (30min) / normal temperature (5min) / 155 (30min), 300 cycles | 4 |
| Max overload voltage |  |  |  | 400 | V | AC RMS applied at approx. 100V/s, 60s±5s; printed for size 2512 | 4 |
| Storage temperature | T | 5 |  | 30 | °C | Storage; use within six months of receipt | 15 |
| Storage relative humidity | RH | 30 |  | 70 | % | Storage conditions | 15 |
| Rated power | P |  |  | 1 | W | Power code J = 1W for size 2512; rated at 70°C, derate above 70°C per curve | 3 |

## CAD (KiCad official)

- Symbol: `RBJ-12MR330FT`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `rbj-12mr330ft-etched.step` / `rbj-12mr330ft-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rbj-12mr330ft.step` / `rbj-12mr330ft.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FH Guangdong Fenghua Advanced Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602958490390441984) (17 pp, sha256 `b0c89e8b81ab939d`, retrieved 2026-10-19, 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/rbj-12mr330ft-datasheet.pdf)