🔹 SE10F10B3.3A 3.3V TVS Diode Overview
The SE10F10B3.3A is a bidirectional 3.3V TVS diode designed for ESD and transient voltage protection in compact electronic devices.
Featuring a DFN1006-2L ultra-small package, low leakage current, and high surge capability, this device provides reliable protection for sensitive ICs, power rails, control lines, and low-speed communication interfaces.
It is designed as a drop-in alternative for applications requiring similar performance to devices such as Semtech uClamp3311P and AZ5123-01F.
🔹 Key Features of SE10F10B3.3A
- Working Voltage (VRWM): 3.3V
- Bidirectional ESD protection device
- Ultra-small DFN1006-2L package
- Peak pulse current: 8A (8/20μs waveform)
- Low leakage current: ≤0.5μA
- Low clamping voltage: VC=10V(IPP=8A)
- Junction capacitance: 12pF
- IEC61000-4-2 ESD protection: ±30kV Air, ±30kV Contact
🔹 SE10F10B3.3A vs uClamp3311P vs AZ5123-01F
| Parameter | SE10F10B3.3A | uClamp3311P | AZ5123-01F |
| Package | DFN1006-2L | DFN1006-2L | DFN1006-2L |
| VRWM | 3.3V | 3.3V | 3.3V |
| Leakage Current | ≤0.5μA | ≤0.5μA | ≤1μA |
| Peak Pulse Current | 8A (8/20μs) | 5A (8/20μs) | 5A (8/20μs) |
| Clamping Voltage | ≤10V @8A | ≤18V @5A | ≤8V @5A |
| Capacitance | 12pF | 10~12pF | 13.5pF |
🔹 Why Choose the SE10F10B3.3A As a Replacement?
- Superior ESD protection
The SE10F10B3.3A supports:
IEC61000-4-2 (ESD) ±30kV (air), ±30kV (contact)
This makes it ideal for applications involving frequent user interaction or external interfaces.
- Lower clamping voltage for enhanced IC protection
The SE10F10B3.3A features a clamping voltage of VC ≤10V @8A.
During transient events, a lower clamping voltage helps reduce stress on downstream components, thereby protecting sensitive semiconductor devices.
- Compatible DFN1006-2L package saves PCB space
🔹 Typical Applications
SE10F10B3.3A is commonly used for:
Consumer Electronics:
- Smartphones
- Tablets
- Portable devices
- Accessories
Embedded Systems:
- MCU protection
- Control interfaces
- Sensor interfaces
Industrial Electronics:
- Low-speed communication lines
- External connectors
- Control signal protection
SE10F10B3.3A Datasheet
About Semiware
Semiware provides a wide range of circuit protection solutions including:
- TVS diodes
- ESD protection diodes
- TVS diode arrays
- MOV varistors
- GDTs
- PPTC resettable fuses
Our products are widely used in consumer electronics, automotive, industrial, and communication applications.
Looking for a Reliable 3.3V ESD Protection Diode Replacement?
Explore Semiware TVS Diode Solutions or contact us for engineering support.

