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SMAJ33A TVS Diode SMA
SMAJ33A is a unidirectional surface-mount transient voltage suppressor (TVS) packaged in standard JEDEC SMA (DO-214AC) housing. It adopts glass passivated die technology, which is engineered to protect electronic circuits and sensitive components from transient voltage spikes and surge currents. With a 400W peak pulse power rating under 10/1000μs waveform, this component delivers stable and reliable unidirectional overvoltage protection for a wide range of electronic devices.
Description
SMAJ33A is a unidirectional surface-mount transient voltage suppressor (TVS) packaged in standard JEDEC SMA (DO-214AC) housing. It adopts glass passivated die technology, which is engineered to protect electronic circuits and sensitive components from transient voltage spikes and surge currents. With a 400W peak pulse power rating under 10/1000μs waveform, this component delivers stable and reliable unidirectional overvoltage protection for a wide range of electronic devices.
Features
- Peak pulse power: 400W for 10/1000μs surge waveform
- Maximum single surge current: 40A (8.3ms single half sine-wave)
- Electrical parameters @ 25℃: VRWM=33.0V, VBR=36.8V ~ 40.6V @ 1mA, IR≤5μA, VC=58.1V, IPP=7.5A
- Glass passivated chip structure ensures outstanding electrical stability and long service life
- Excellent voltage clamping performance and ultra-fast response time
- Molded epoxy case with UL94V-0 flame retardant rating
- Solder-plated terminals, fully compliant with MIL-STD-750 Method 2026
- Wide operating and storage temperature range: -55℃ ~ +150℃
Our advantages
- Superior clamping capability rapidly absorbs surge energy and effectively safeguards delicate electronic parts
- Ultra-fast response suppresses instantaneous voltage transients instantly
- Compact standard SMA package saves PCB layout space, ideal for miniaturized electronic products
- Mature glass passivated manufacturing process improves durability and long-term operational reliability
- Excellent solderability supports high-efficiency automated SMT mass production
- Ultra-low reverse leakage current minimizes standby power consumption
- Consistent performance across extreme temperatures, suitable for various harsh working environments
Mechanical Data
- Package Type: JEDEC SMA (DO-214AC), transfer molded epoxy
- Polarity: Cathode is marked with a color band for polarity identification
- Terminals: Solder plated, solderable in accordance with MIL-STD-750 Method 2026
- Dimensions: Standard SMA dimensions (marked in inches and millimeters)
- Operating & Storage Temperature: -55℃ ~ +150℃
Applications
This unidirectional TVS diode is widely applied in consumer electronics, household appliances, communication equipment, computer peripherals and industrial control systems for ESD and transient surge protection.
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ShenzhenSLKORMicroSemiconCo., Ltd.
SLKOR's product lines include discrete devices, etc., diodes, transistors, power devices; and integrated circuit chips, etc., linear regulators, DC/ DC chips, interface chips, Hall sensors, ADCs, and BMS... We have years of accumulated technology on dedicated semiconductor.
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