# B59339A1502P020

**TDK** · Sensors, Transducers · Radial

B59339A1502P020 from TDK, in a Radial. 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 | First solder-pin terminal of the PTC thermistor (non-polarized, 2.5 mm pin spacing), rated Vmax = 265 V with RR = 5000 Ω ±25 % for B59339A1502P020. |
| 2 | 2 | passive | Second solder-pin terminal of the PTC thermistor (non-polarized, 2.5 mm pin spacing), rated Vmax = 265 V with Rmin = 3200 Ω for B59339A1502P020. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TDK |
| Package | Radial |
| Category | Sensors, Transducers |
| 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 |
|---|---|---|---|---|---|---|---|
| Tolerance of RR | ΔRR | -25 |  | 25 | % | Tolerance of RR | 2 |
| Operating temperature range (V = 0) | Top | -25 |  | 125 | °C | V = 0 | 2 |
| Operating temperature range (V = Vmax) | Top | 0 |  | 60 | °C | V = Vmax | 2 |
| Maximum operating voltage | Vmax |  |  | 265 | V |  | 2 |
| Minimum resistance | Rmin | 3200 |  |  | Ω |  | 2 |
| Switching time | tS |  |  | 0.5 | s | @ ISmax | 2 |
| Electrical endurance, cycling ΔR25/R25 | ΔR25/R25 |  |  | 25 | % | Room temperature, ISmax; Vmax; 100 000 cycles | 3 |
| Electrical endurance, constant ΔR25/R25 | ΔR25/R25 |  |  | 25 | % | Storage at Vmax and Top,max (@ Vmax); 1000 h | 3 |
| Damp heat ΔR25/R25 | ΔR25/R25 |  |  | 10 | % | 40 °C air, 93% RH, 56 days | 3 |
| Rapid change of temperature ΔR25/R25 | ΔR25/R25 |  |  | 10 | % | T1 = Top,min (0 V), T2 = Top,max (0 V); 5 cycles | 3 |
| Vibration ΔR25/R25 | ΔR25/R25 |  |  | 5 | % | 10 to 55 Hz, 0.75 mm, 3 × 2 h | 3 |
| Shock ΔR25/R25 | ΔR25/R25 |  |  | 5 | % | 400 m/s2, 6 ms; 6 × 5000 pulses | 3 |
| Climatic sequence ΔR25/R25 | ΔR25/R25 |  |  | 10 | % | Dry heat, damp heat, cold, damp heat 5 cycles | 3 |
| Rated resistance | RR |  | 5000 |  | Ω |  | 2 |
| Rated current | IR |  | 7 |  | mA |  | 2 |
| Switching current | IS |  | 15 |  | mA |  | 2 |
| Maximum switching current | ISmax |  | 0.1 |  | A | V = Vmax | 2 |
| Residual current | Ir |  | 1.5 |  | mA | V = Vmax | 2 |
| Reference temperature | Tref |  | 115 |  | °C |  | 2 |
| Rated voltage | VR |  | 230 |  | V |  | 2 |
| Switching cycles | N |  | 100000 |  | cycles |  | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | silver | Silver-plated lead-free solder pins Manufacturer's logo and type designation | 2 |

## CAD (KiCad official)

- Symbol: `B59339A1502P020`
- Footprint: `Adom_Gen:TDK_B59339`
- 3D model: Radial (KiCad packages3D, STEP)
- 3D model files: `b59339a1502p020-etched.step` / `b59339a1502p020-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `b59339a1502p020.step` / `b59339a1502p020.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TDK datasheet](https://www.tdk-electronics.tdk.com/inf/55/db/PTC/PTC_Switching_Plastic_case_230V.pdf) (12 pp, sha256 `3be079797ee0c8a5`, retrieved 2026-11-03, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/b59339a1502p020-datasheet.pdf)