Model No: MMBZ5225BLT1G
onsemi MMBZ5225BLT1G
Manufacturer: onsemi
SEMICON NO.: MMBZ5225BLT1G
Package: SOT-23-3 (TO-236)
Stock: In stock
Description: Single Zener Diode 3V 225mW ±5%
SEMICON NO.: MMBZ5225BLT1G
Package: SOT-23-3 (TO-236)
Stock: In stock
Description: Single Zener Diode 3V 225mW ±5%
Quantity :
| Mfr | onsemi |
| Device Type | Zener Voltage Regulator (Zener diode) |
| Zener Voltage Nominal | 3 V |
| Zener Voltage Range | 2.85 V to 3.15 V |
| Voltage Tolerance | ±5% |
| Test Current | 20 mA |
| Maximum Zener Impedance | 29 Ω |
| Maximum Reverse Leakage Current | 50 µA |
| Maximum Forward Voltage | 900 mV |
| Total Power Dissipation | 225 mW |
| Operating Temperature | -65°C to +150°C |
| Package | SOT-23-3 (TO-236) |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
The MMBZ5225BLT1G is a surface mount 3 V Zener voltage regulator diode manufactured by onsemi, packaged in compact SOT-23 with tape and reel delivery. Rated at 225 mW power dissipation on FR-4 PCB material, this single Zener diode delivers a nominal 3 V breakdown voltage with ±5% tolerance at 20 mA test current, featuring low Zener impedance and low reverse leakage current. It supports stable voltage reference, circuit clamping and ESD protection, and complies with RoHS, halogen-free standards for modern compact electronic hardware designs.
Key Features and Applications
● Nominal Zener voltage of 3 V with ±5% tolerance, maximum Zener impedance of 29 Ω at 20 mA
● 225 mW power rating on FR-4 substrate, operating temperature range from -65 ℃ to 150 ℃
● SOT-23 surface mount package, optimized for automated high-volume PCB assembly
● Class 3 ESD rating over 16 kV under human body model for enhanced circuit robustness
● Low reverse leakage current, simple 3-pin configuration with marked cathode polarity for easy layout
This Zener diode is widely used for low-voltage voltage reference, signal clamping, ESD protection and bias voltage stabilization in portable consumer electronics, sensor modules, battery-powered devices, communication circuits, industrial control boards and compact IoT hardware that requires tight voltage regulation within limited PCB space.
● Nominal Zener voltage of 3 V with ±5% tolerance, maximum Zener impedance of 29 Ω at 20 mA
● 225 mW power rating on FR-4 substrate, operating temperature range from -65 ℃ to 150 ℃
● SOT-23 surface mount package, optimized for automated high-volume PCB assembly
● Class 3 ESD rating over 16 kV under human body model for enhanced circuit robustness
● Low reverse leakage current, simple 3-pin configuration with marked cathode polarity for easy layout
This Zener diode is widely used for low-voltage voltage reference, signal clamping, ESD protection and bias voltage stabilization in portable consumer electronics, sensor modules, battery-powered devices, communication circuits, industrial control boards and compact IoT hardware that requires tight voltage regulation within limited PCB space.
FAQ
Q: What is the recommended operating current for MMBZ5225BLT1G?
A: The test current is 20 mA; operate the device within safe current range to avoid overheating and voltage drift.
Q: Can this diode be used for large power regulation?
A: It is designed for low-power reference and clamping, not high-current power regulation. Q: How to identify cathode pin? A: The cathode terminal is marked by polarity band on the SOT-23 package.
Alternative voltage reference diode models
1. MMSZ5225BT1G: onsemi 3V Zener diode with 500 mW power rating in SOD-123 package for higher power low-space applications.
2. BZX84C3V: 3V Zener regulator in SOT-23 package with 350 mW dissipation for general voltage reference circuits.
3. MMBZ5224BLT1G: onsemi SOT-23 Zener diode with nominal 2.8V breakdown voltage for slightly lower reference voltage needs.
1. MMSZ5225BT1G: onsemi 3V Zener diode with 500 mW power rating in SOD-123 package for higher power low-space applications.
2. BZX84C3V: 3V Zener regulator in SOT-23 package with 350 mW dissipation for general voltage reference circuits.
3. MMBZ5224BLT1G: onsemi SOT-23 Zener diode with nominal 2.8V breakdown voltage for slightly lower reference voltage needs.
