component
MMSZ5245B-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) Zener Diodes, SOD-123. 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
markdownMMSZ5245B-TP
MCC(Micro Commercial Components) · Zener Diodes · SOD-123
MMSZ5245B-TP from MCC(Micro Commercial Components), in a SOD-123. 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, identified by the cathode mark on the package; MMSZ5245B has a nominal Zener voltage of 15V (±5%) at IZT = 8.5mA, with reverse leakage of 0.1µA max at VR = 11V. |
| 2 | A | passive | Anode; maximum forward voltage is 0.9V at IF = 10mA and power dissipation is 500mW max. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MCC(Micro Commercial Components) |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage Tolerance | VZ | -5 | 5 | % | Standard tolerance with B suffix | 2 | |
| Maximum Zener Impedance | ZZT | 16 | Ω | @ IZT = 8.5 mA | 2 | ||
| Maximum Zener Impedance (knee) | ZZK | 600 | Ω | @ IZK = 0.25 mA | 2 | ||
| Maximum Reverse Leakage Current | IR | 0.1 | µA | VR = 11 V | 2 | ||
| Maximum Forward Voltage | VF | 0.9 | V | IF=10mA | 1 | ||
| Power Dissipation | PD | 500 | mW | Note 2 | 1 | ||
| Operating Junction Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 1 | ||
| Thermal Resistance Junction to Ambient | RθJA | 340 | °C/W | On FR-4 board with minimum recommended solder pad layout (Note 1) | 1 | ||
| Nominal Zener Voltage | VZ | 15 | V | @ IZT = 8.5 mA | 2 | ||
| Zener Test Current | IZT | 8.5 | mA | 2 | |||
| Zener Voltage Temperature Coefficient | 0.082 | %/°C | 2 |
CAD (KiCad official)
- Symbol:
MMSZ5245B-TP - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mmsz5245b-tp-etched.step/mmsz5245b-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmsz5245b-tp.step/mmsz5245b-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC(Micro Commercial Components) datasheet (5 pp, sha256
b19b45a07e2dccd8, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).