# CSR0207FTDT1002

**Viking(光颉)** · Current Sense Resistors / Shunt Resistors · MELF-0207

CSR0207FTDT1002 from Viking(光颉), in a MELF-0207. 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 | Viking(光颉) |
| Package | MELF-0207 |
| 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 (code F) |  | -1 |  | 1 | % | Part-number code F = ±1% | 2 |
| Nominal resistance (code 1002) | R |  | 10 |  | KΩ | Decoded from part-number resistance code 1002 | 2 |
| Power rating | P |  |  | 1 | W | Code T = 1W, at 70°C (High Power table, 0207 1W) | 3 |
| Max. operating voltage |  |  |  | 350 | V | 0207 1W; √(P×R) or this value, whichever is lower | 3 |
| Max. overload voltage |  |  |  | 700 | V | 0207 1W; 2.5×√(P×R) or this value, whichever is lower | 3 |
| Operating temperature range | T | -55 |  | 155 | °C | 0207 1W | 3 |
| Insulation resistance |  | 10 |  |  | G | Max. Overload Voltage for 1 minute (printed unit has no Ω) | 4 |
| Short time overload resistance change | ΔR | -0.15 |  | 0.15 | % (+0.05Ω) | RCWV×2.5 or Max. Overload Voltage, whichever lower, 5 seconds; printed as ±(0.15%+0.05Ω) | 4 |
| Endurance resistance change | ΔR | -0.5 |  | 0.5 | % (+0.05Ω) | 70±2°C, RCWV for 1000 hrs with 1.5 hrs ON and 0.5 hr OFF; printed as ±(0.5%+0.05Ω) | 4 |
| Damp heat with load resistance change | ΔR | -1 |  | 1 | % (+0.05Ω) | 40±2°C, 90~95% R.H., RCWV for 1000 hrs with 1.5 hrs ON and 0.5 hr OFF; printed as ±(1.0%+0.05Ω) | 4 |
| Dry heat resistance change | ΔR | -1 |  | 1 | % (+0.05Ω) | at +155°C for 1000 hrs; printed as ±(1.0%+0.05Ω) | 4 |
| Bending strength resistance change | ΔR | -0.5 |  | 0.5 | % (+0.05Ω) | Bending once for 5 seconds with 2mm; printed as ±(0.5%+0.05Ω) | 4 |
| Resistance to soldering heat resistance change | ΔR | -0.5 |  | 0.5 | % (+0.05Ω) | 260±5°C for 10 seconds; printed as ±(0.5%+0.05Ω) | 4 |
| Rapid change of temperature resistance change | ΔR | -0.5 |  | 0.5 | % (+0.05Ω) | -55°C to +155°C, 5 cycles; printed as ±(0.5%+0.05Ω) | 4 |
| Leaching, individual leaching area |  |  |  | 5 | % | 260±5°C for 30 seconds | 4 |
| Leaching, total leaching area |  |  |  | 10 | % | 260±5°C for 30 seconds | 4 |
| Max. IR reflow / wave soldering temperature |  |  |  | 260 | °C | Time at maximum temperature point 10 s | 3 |
| Max. soldering iron temperature |  |  |  | 410 | °C | Time at maximum temperature point 5 s | 3 |
| Storage temperature |  | 15 |  | 28 | °C | Storage | 4 |
| Storage humidity |  |  |  | 80 | %RH | Storage; printed as Humidity < 80%RH | 4 |

## CAD (KiCad official)

- Symbol: `CSR0207FTDT1002`
- Footprint: `Resistor_SMD:R_MELF_MMB-0207`
- 3D model: MELF-0207 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Viking(光颉) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590163602884886528) (12 pp, sha256 `4dfa81da022acdff`, retrieved 2026-10-17, tier: lcsc)
- **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/csr0207ftdt1002-datasheet.pdf)