
MMSZ5225B
SMC Diode Solutions
2 variants · SMC Diode Solutions
The SMC Diode Solutions MMSZ Series series groups 2 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common case of SOD-123, mounting of Surface Mount and power - max of 500 mW. Variants differ by current - reverse leakage @ vr, impedance (Max) and operating temperature, so you can match the exact current - reverse leakage @ vr your application requires using the selection guide below. All listed SMC Diode Solutions MMSZ Series part numbers are active and orderable.
| Parameter | MMSZ5225B | MMSZ5263B |
|---|---|---|
| Current - reverse leakage @ vr | 50 µA @ 1 V | 100 nA @ 43 V |
| Impedance (Max) | 30 Ohms | 150 Ohms |
| Operating temperature | -55°C~150°C(TJ) | -55°C ~ 150°C (TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR) Cut Tape (CT) |
| Voltage - zener (Nom) | 3 V | 56 V |
Request a quote on any SMC Diode Solutions MMSZ Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

SMC Diode Solutions

SMC Diode Solutions