CNCHIPDEPOT Original Part
MMSZ12
Zener diode MMSZ12 in SOD-123 package.
PackageSOD-123
Zener Voltage (VZ)12V
Power Dissipation500mW
TypeZener Diode
ConfigurationSingle Diode
Voltage Tolerance±5%
Product Overview
Zener diode MMSZ12 in SOD-123 package.
Specifications
Key electrical, package, and sourcing parameters for quick engineering review.
| Part Number | MMSZ12 |
| Brand | CNCHIPDEPOT |
| Package | SOD-123 |
| Category | Discrete Semiconductor Products - Zener Diodes |
| Type | Zener Diode |
| Configuration | Single Diode |
| Package / Case | SOD-123 |
| Mounting Type | Surface Mount |
| Zener Voltage (VZ) | 12V Nom. |
| Power Dissipation | 500mW |
| Voltage Tolerance | ±5% |
| Zener Impedance (ZZT) | 25Ω Max. |
| Reverse Leakage Current (IR) | 100nA @ 8V |
| Forward Voltage (VF) | 0.9V Max. @ 10mA |
| Thermal Resistance - Junction to Ambient (RθJA) | 340°C/W |
| Thermal Resistance - Junction to Lead (RθJL) | 150°C/W |
| Operating Junction Temperature | -55°C to +150°C |
| Storage Temperature | -55°C to +150°C |
| Flammability Rating | UL 94V-0 |
| Part Qualification | Standard |
| Product Type | Zener diode |
Cross Reference & Replacement Information
The following part numbers are commonly reviewed for replacement or compatibility matching. Always verify datasheet, package, pinout, and operating conditions before bulk purchase.
| Target Brand | Target MPN | Replace Type | Notes |
|---|---|---|---|
| STMicroelectronics | BZX384C12 | Possible Replacement | Verify Zener voltage tolerance and power dissipation. |
| Vishay | BZX84C12 | Cross Reference | Same Zener voltage, SOD-123 package, check current rating. |
| ON Semiconductor | MM3Z12 | Compatible Alternative | SOD-123 package, confirm reverse leakage current specs. |
| Diodes Incorporated | ZM4734A | Functional Equivalent | Check package dimensions and operating temperature range. |
Datasheet
Download the datasheet or contact us for additional technical information.
PDF
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Typical Applications
- 12V voltage regulation circuits
- Power supply voltage stabilization
- Voltage reference and bias networks
- Low-power voltage clamping
- High-density surface-mount electronics
Ordering & RFQ Information
- MOQ: Contact sales
- Lead Time: 3–7 working days for stock items
- Packaging: Reel / Tube / Tray depending on package
- Sample Availability: Available on request
- Mass Production Status: 50K+ pcs Stock / Mass Production
FAQ
Can this part replace my current model?
It may be suitable depending on your circuit requirements. Please verify datasheet, package, pinout, and test samples before bulk orders.
Can I request samples?
Yes. Please submit your RFQ with target quantity and application details.
Need this part or a compatible replacement?
Send us your target part number, BOM list, quantity, and technical requirements. CNCHIPDEPOT can help review replacement options and provide RFQ support.
Submit RFQElectronic Component Manufacturing & Quality Control
As a China electronic component factory , China Chip Depot supports component sourcing, production, testing and quality inspection for global B2B buyers. We also provide Cross Reference Alternative Parts matching services to help engineers and procurement teams identify suitable component alternatives.
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SMT Assembly Workshop
SMT production and assembly capabilities supporting electronic component and PCB-related manufacturing requirements.
Semiconductor Production
Controlled production environments supporting semiconductor and electronic component manufacturing processes.
Component Testing Equipment
Electrical testing and verification equipment used to support performance checks and product consistency.
Quality Inspection Lab
Quality inspection processes help verify component condition, specifications and production consistency before shipment.