component
SF56G-U17.5
Public Made by Adomby adom
SY(顺烨) , 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
markdownSF56G-U17.5
SY(顺烨) · IC · DO-27
SF56G-U17.5 from SY(顺烨), 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 | K | passive | Cathode lead, the end marked with the polarity band on the body; 0.035-0.052 in (0.9-1.3 mm) diameter, 0.945 in (24.0 mm) minimum length. |
| 2 | A | passive | Anode lead, the end opposite the polarity band; 0.035-0.052 in (0.9-1.3 mm) diameter, 0.945 in (24.0 mm) minimum length. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SY(顺烨) |
| Package | DO-27 |
| Category | |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum Recurrent Peak Reverse Voltage | VRRM | 400 | Volts | 1 | |||
| Maximum RMS Voltage | VRMS | 280 | Volts | 1 | |||
| Maximum DC Blocking Voltage | VDC | 400 | Volts | 1 | |||
| Maximum Average Forward Current | IF(AV) | 5 | Amps. | 0.375" (9.5mm) lead length, Ta = 55 °C | 1 | ||
| Peak Forward Surge Current | IFSM | 150 | Amps. | 8.3ms single half sine wave superimposed on rated load (JEDEC Method) | 1 | ||
| Maximum Peak Forward Voltage | VF | 1.3 | Volts | IF = 3.0 A | 1 | ||
| Maximum DC Reverse Current | IR | 5 | μA | Ta = 25 °C, at rated DC blocking voltage | 1 | ||
| Maximum DC Reverse Current | IR(H) | 50 | μA | Ta = 100 °C, at rated DC blocking voltage | 1 | ||
| Maximum Reverse Recovery Time | Trr | 35 | ns | IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A (Note 1) | 1 | ||
| Junction Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 1 | ||
| Soldering temperature | 250 | °C | 10 seconds at terminals | 1 | |||
| Typical Junction Capacitance | CJ | 50 | pf | Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC (Note 2) | 1 |
CAD (KiCad official)
- Symbol:
SF56G-U17.5 - 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: SY(顺烨) datasheet (2 pp, sha256
5de776131e422477, retrieved 2026-10-20, 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).