SMBJ33A
TVS Diodes
Technical Specifications
| Type | Description |
|---|---|
| Polarity | Unidirectional |
| Clamping Voltage | 53.3V |
| Peak Pulse Current (Ipp) | 11.3A@10/1000us |
| Peak Pulse Power Dissipation (Ppp) | 600W@10/1000us |
| Voltage - Breakdown | 40.6V |
| Type | Description |
|---|---|
| Type | TVS |
| Reverse Stand-Off Voltage (Vrwm) | 33V |
| Operating Temp | -65°C ~ +150°C |
| Channels | 1.0 |
| Package / Case | DO-214AA |
Product Introduction
The SMBJ series is designed to protect sensitive electronic equipment from voltage transients caused by lightning strikes and other transient voltage events.
Features
- 600 W peak pulse power capability at 10/1000 μs waveform, repetition rate (duty cycle): 0.01%
- Surface mount package for optimized board space
- Low dynamic resistance
- Typical failure mode: short circuit due to overvoltage or overcurrent
- IEC-61000-4-2 ESD 30 kV (air discharge), 30 kV (contact discharge)
- ESD protection for data lines per IEC 61000-4-2
- Whisker tested per JEDEC JESD201A Tables 4a and 4c, passes Level 1 and Level 2
- VBR @ TJ = VBR @ 25
- Cx(1 + αTx(TJ - 25)) (αT: temperature coefficient, typical value 0.1%)
- UL-recognized compound, meets V-0 flammability rating
- Matte tin lead-free plating
- Halogen-free and RoHS compliant
- Lead-free E3 denotes second-level interconnect lead-free, terminal finish material: tin (Sn) (IPC/JEDEC J-STD-609A.01)
- UL 497B recognized as isolating loop circuit protector
- Products manufactured outside China are available (parts with E suffix). Refer to the "Ordering and Packaging Options" section for details
Applications
- - TVS components are ideal for protecting I/O interfaces, Vcc buses, and other vulnerable circuits in telecommunications, computer, industrial, and consumer electronics applications.
Datasheet
Alternative Parts
Common SMBJ33A alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8541100000 |
| USHTS | 8541100040 |
| TARIC | 8541100000 |
| Type | Details |
|---|---|
| CAHTS | 8541100090 |
| BRHTS | 85411011 |
| INHTS | 85411000 |
| MXHTS | 8541.10.01 |
Sourcing Information
Need SMBJ33A from Littelfuse for your next order? SZ Procure provides local sourcing support in Shenzhen — we help buyers check supplier availability, compare quotations, and coordinate procurement for China-sourced components.
For SMBJ33A, we can check current supplier availability, compare quotations from multiple sources, coordinate purchasing, and arrange pre-shipment inspection and shipment consolidation according to your requirements.
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