component
FR3M
Public Made by Adomby adom
DIYI Elec Tech Fast Recovery / High Efficiency Diodes, SMB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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FR3M
DIYI Elec Tech · Fast Recovery / High Efficiency Diodes · SMB
FR3M from DIYI Elec Tech, in a SMB. 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DIYI Elec Tech |
| Package | SMB |
| Category | Diodes |
| 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 | 1000 | V | 1 | |||
| Maximum RMS Voltage | VRMS | 700 | V | 1 | |||
| Maximum DC Blocking Voltage | VDC | 1000 | V | 1 | |||
| Average Rectified Output Current | IF(AV) | 3 | A | 1 | |||
| Peak Forward Surge Current | IFSM | 100 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 | ||
| I2t Rating for Fusing | I2t | 50.2 | A2s | t < 8.3ms | 1 | ||
| Forward Voltage | VFM | 1.3 | V | IF=3.0A | 1 | ||
| Peak Reverse Current | IR | 5 | uA | At rated DC blocking voltage, 25°C | 1 | ||
| Maximum Reverse Recovery Time | Trr | 250 | ns | IF=0.5A, IR=1.0A, IRR=0.25A | 1 | ||
| Typical Junction Capacitance | CJ | 60 | pF | f=1.0MHz, applied reverse voltage 4.0V DC | 1 | ||
| Typical Thermal Resistance Junction to Ambient | RθJA | 95 | ℃/W | Note 3: 8.0mm thick land areas | 1 | ||
| Operating Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
FR3M - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
fr3m-etched.step/fr3m-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fr3m.step/fr3m.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DIYI Elec Tech datasheet (3 pp, sha256
5281f6c73c5d2529, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).
# FR3M
**DIYI Elec Tech** · Fast Recovery / High Efficiency Diodes · SMB
FR3M from DIYI Elec Tech, in a SMB. 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DIYI Elec Tech |
| Package | SMB |
| Category | Diodes |
| 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 | | | 1000 | V | | 1 |
| Maximum RMS Voltage | VRMS | | | 700 | V | | 1 |
| Maximum DC Blocking Voltage | VDC | | | 1000 | V | | 1 |
| Average Rectified Output Current | IF(AV) | | | 3 | A | | 1 |
| Peak Forward Surge Current | IFSM | | | 100 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 |
| I2t Rating for Fusing | I2t | | | 50.2 | A2s | t < 8.3ms | 1 |
| Forward Voltage | VFM | | | 1.3 | V | IF=3.0A | 1 |
| Peak Reverse Current | IR | | | 5 | uA | At rated DC blocking voltage, 25°C | 1 |
| Maximum Reverse Recovery Time | Trr | | | 250 | ns | IF=0.5A, IR=1.0A, IRR=0.25A | 1 |
| Typical Junction Capacitance | CJ | | 60 | | pF | f=1.0MHz, applied reverse voltage 4.0V DC | 1 |
| Typical Thermal Resistance Junction to Ambient | RθJA | | 95 | | ℃/W | Note 3: 8.0mm thick land areas | 1 |
| Operating Temperature Range | TJ | -55 | | 150 | ℃ | | 1 |
| Storage Temperature Range | TSTG | -55 | | 150 | ℃ | | 1 |
## CAD (KiCad official)
- Symbol: `FR3M`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB (KiCad packages3D, STEP)
- 3D model files: `fr3m-etched.step` / `fr3m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fr3m.step` / `fr3m.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [DIYI Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590389812546076672) (3 pp, sha256 `5281f6c73c5d2529`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/fr3m-datasheet.pdf)