SMCJ33A Unidirectional Transient Voltage Suppressor TVS Diode
SMCJ33A Unidirectional Transient Voltage Suppressor
,SMCJ33A TVS Diode
,Unidirectional Transient Voltage Suppressor TVS
| Attribute | Value |
|---|---|
| Manufacturer | Littelfuse Inc. |
| Product Number | SMCJ33A |
| Description | 53.3V Clamp 28.2A Ipp Tvs Diode Surface Mount DO-214AB (SMCJ) |
The SMCJ33A is a unidirectional transient voltage suppressor (TVS) diode designed to protect sensitive electronic circuits from voltage transients such as electrostatic discharge (ESD), lightning surges, and inductive load switching.
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High Power Handling
1500W peak pulse power dissipation (10/1000µs waveform) for robust surge protection
Fast response time (typically <1.0ps) to clamp transient voltages quickly
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Electrical Characteristics
Reverse standoff voltage (VRWM): 33V (typical)
Breakdown voltage (VBR): 36.7V (min) to 40.6V (max) at 1mA test current
Clamping voltage (VC): 53.3V (max) at 28.2A peak pulse current (IPP)
Low leakage current: ≤5µA at VRWM
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Robust Design
Glass-passivated junction for reliability
Surface-mount (SMC/DO-214AB) package (7.11×6.22×2.42mm) for space-constrained PCB designs
Halogen-free & RoHS compliant
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Thermal Performance
Wide operating temperature range: -55°C to +150°C
High-temperature soldering resistance: 260°C for 40 seconds (reflow compatible)
- Telecommunications: Protection of base stations, routers, and modems from lightning surges
- Industrial Electronics: PLCs, motor drives, and power supplies
- Consumer Electronics: USB/HDMI ports, power lines in smartphones/laptops
- Automotive Systems: CAN bus, infotainment, and battery management circuits
- Energy Storage & Power Distribution: Solar inverters, UPS systems
- Package: DO-214AB (SMC)
- Peak Pulse Current (IPP): 28.2A (10/1000µs)
- Equivalent Models: SMBJ33A, P6KE33A (lower power alternatives)
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