# CFR-25JB-52-9M1

**YAGEO** · Through Hole Resistors · R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal

CFR-25JB-52-9M1 from YAGEO, in a R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_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 | YAGEO |
| Package | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_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 range (lower bound) | R | 1 |  |  | Ω | E24 series values; Table 1 resistance range | 3 |
| Resistance range (upper bound) | R |  |  | 10 | MΩ | E24 series values; Table 1 resistance range | 3 |
| Resistance tolerance |  | -5 |  | 5 | % | Code J = ±5% (part number tolerance position) | 2 |
| Temperature coefficient of resistance, 1M ~ 10MΩ range | TCR | -1500 |  | 0 | ppm/°C | 1M ~ 10MΩ range, CFR-25 column (Table 2) | 4 |
| Maximum working voltage |  |  |  | 250 | V | CFR-25 column; or RCWV, whichever is less | 3 |
| Maximum overload voltage |  |  |  | 500 | V | CFR-25 column | 3 |
| Voltage proof on insulation |  |  |  | 500 | V | CFR-25 column; V-Block for 60 s, no breakdown | 3 |
| Operating temperature range (minimum) | T | -55 |  |  | °C | Operating Temp. Range | 3 |
| Operating temperature range (maximum) | T |  |  | 155 | °C | Operating Temp. Range | 3 |
| Short time overload resistance change (±0.75% + 0.05Ω) | ΔR | -0.75 |  | 0.75 | % | 2.5 times RCWV for 5 sec. (not more than maximum overload voltage) | 4 |
| Periodic-pulse overload resistance change (±1.0% + 0.05Ω) | ΔR | -1 |  | 1 | % | 4 times RCWV (or Umax., whichever less), 10,000 cycles (1 Sec. on, 25 Sec. off) | 4 |
| Damp heat steady state resistance change (±3.0% + 0.05Ω) | ΔR | -3 |  | 3 | % | 40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV (or Umax., whichever less) | 4 |
| Endurance at 70°C resistance change (±3.0% + 0.05Ω) | ΔR | -3 |  | 3 | % | 70±2°C at RCWV (or Umax., whichever less) for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off) | 4 |
| Temperature cycling resistance change (±1.0% + 0.05Ω) | ΔR | -1 |  | 1 | % | -55°C ➔ Room Temp. ➔ +155°C ➔ Room Temp. (5 cycles) | 4 |
| Resistance to soldering heat resistance change (±1.0% + 0.05Ω) | ΔR | -1 |  | 1 | % | 260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body | 4 |
| Insulation resistance (minimum) |  | 1000 |  |  | MΩ | In V-Block for 60 sec. | 4 |
| Robustness of terminations (minimum load) |  | 2.5 |  |  | Kg | Direct load for 10 Sec. in the direction of the terminal leads (24.5N) | 4 |
| Solderability (minimum coverage) |  | 95 |  |  | % | 245±5°C for 3±0.5 Sec. | 4 |

## CAD (KiCad official)

- Symbol: `CFR-25JB-52-9M1`
- Footprint: `Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal`
- 3D model: R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [YAGEO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755259904477413376) (16 pp, sha256 `76319a6451937e77`, retrieved 2026-11-06, 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/cfr-25jb-52-9m1-datasheet.pdf)