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MMBZ5227BS-7-F
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Diodes Incorporated Zener Diodes, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MMBZ5227BS-7-F
Diodes Incorporated · Zener Diodes · SOT-363
MMBZ5227BS-7-F from Diodes Incorporated, in a SOT-363. 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 | Anode of Zener diode 1, isolated from diode 2 in the dual-Zener package. |
| 2 | NC | unconnected | No internal connection. |
| 3 | C2 | passive | Cathode of Zener diode 2, isolated from diode 1 (3.6V nominal Zener, 3.42 to 3.78V at IZT = 20mA for the MMBZ5227BS). |
| 4 | A2 | passive | Anode of Zener diode 2, isolated from diode 1 in the dual-Zener package. |
| 5 | NC | unconnected | No internal connection. |
| 6 | C1 | passive | Cathode of Zener diode 1 (3.6V nominal Zener, 3.42 to 3.78V at IZT = 20mA for the MMBZ5227BS). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Zener voltage (nominal 3.6 V) | VZ | 3.42 | 3.6 | 3.78 | V | @ IZT = 20 mA | 2 |
| Maximum Zener impedance | ZZT | 24 | Ω | @ IZT = 20 mA; f = 1 kHz (Note 6) | 2 | ||
| Maximum Zener impedance | ZZK | 1700 | Ω | @ IZK = 0.25 mA | 2 | ||
| Maximum reverse leakage current | IR | 15 | µA | @ VR = 1.0 V (Note 5) | 2 | ||
| Forward voltage | VF | 0.9 | V | @ IF = 10 mA | 1 | ||
| Power dissipation | PD | 200 | mW | Mounted on FR4 PC board with recommended pad layout (Note 1) | 1 | ||
| Operating and storage temperature range | TJ, TSTG | -65 | 150 | °C | 1 | ||
| Thermal resistance, junction to ambient air | RθJA | 625 | °C/W | Mounted on FR4 PC board with recommended pad layout (Note 1) | 1 |
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 | tin | • Terminals: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over Alloy 42 | 1 |
CAD (KiCad official)
- Symbol:
MMBZ5227BS-7-F - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
mmbz5227bs-7-f-etched.step/mmbz5227bs-7-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmbz5227bs-7-f.step/mmbz5227bs-7-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (4 pp, sha256
b594a591fc6c585d, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).
# MMBZ5227BS-7-F
**Diodes Incorporated** · Zener Diodes · SOT-363
MMBZ5227BS-7-F from Diodes Incorporated, in a SOT-363. 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 | Anode of Zener diode 1, isolated from diode 2 in the dual-Zener package. |
| 2 | NC | unconnected | No internal connection. |
| 3 | C2 | passive | Cathode of Zener diode 2, isolated from diode 1 (3.6V nominal Zener, 3.42 to 3.78V at IZT = 20mA for the MMBZ5227BS). |
| 4 | A2 | passive | Anode of Zener diode 2, isolated from diode 1 in the dual-Zener package. |
| 5 | NC | unconnected | No internal connection. |
| 6 | C1 | passive | Cathode of Zener diode 1 (3.6V nominal Zener, 3.42 to 3.78V at IZT = 20mA for the MMBZ5227BS). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Zener voltage (nominal 3.6 V) | VZ | 3.42 | 3.6 | 3.78 | V | @ IZT = 20 mA | 2 |
| Maximum Zener impedance | ZZT | | | 24 | Ω | @ IZT = 20 mA; f = 1 kHz (Note 6) | 2 |
| Maximum Zener impedance | ZZK | | | 1700 | Ω | @ IZK = 0.25 mA | 2 |
| Maximum reverse leakage current | IR | | | 15 | µA | @ VR = 1.0 V (Note 5) | 2 |
| Forward voltage | VF | | | 0.9 | V | @ IF = 10 mA | 1 |
| Power dissipation | PD | | | 200 | mW | Mounted on FR4 PC board with recommended pad layout (Note 1) | 1 |
| Operating and storage temperature range | TJ, TSTG | -65 | | 150 | °C | | 1 |
| Thermal resistance, junction to ambient air | RθJA | | 625 | | °C/W | Mounted on FR4 PC board with recommended pad layout (Note 1) | 1 |
## 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 | | tin | • Terminals: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over Alloy 42 | 1 |
## CAD (KiCad official)
- Symbol: `MMBZ5227BS-7-F`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `mmbz5227bs-7-f-etched.step` / `mmbz5227bs-7-f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbz5227bs-7-f.step` / `mmbz5227bs-7-f.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560097767428149248) (4 pp, sha256 `b594a591fc6c585d`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/mmbz5227bs-7-f-datasheet.pdf)