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1.5KE39CA
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SUNMATE Elec ESD And Surge Protection (TVS/ESD), DO-27. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown1.5KE39CA
SUNMATE Elec · ESD And Surge Protection (TVS/ESD) · DO-27
1.5KE39CA from SUNMATE Elec, in a DO-27. 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 | A1 | passive | Axial lead 1 of the bidirectional 1.5KE39CA TVS (VRWM 33.3 V, VBR 37.1-41.0 V at 1.0 mA, VC 53.9 V at IPP 28.2 A); polarity-free, interchangeable with the other lead, with no cathode band. |
| 2 | A2 | passive | Axial lead 2 of the bidirectional 1.5KE39CA TVS (1500 W peak pulse power on 10/1000µs); polarity-free, interchangeable with the other lead, marked with the device code only. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SUNMATE Elec |
| Package | DO-27 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
1.5KE39CA - Footprint:
Diode_THT:D_DO-27_P15.24mm_Horizontal - 3D model: DO-27 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SUNMATE Elec datasheet (4 pp, sha256
3644548148ad8c6f, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).