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Robust surge barrier with high power handling and bi-directional operation

ISO14001 ISO9001 DUNS

Brands: STMicroelectronics, Inc

Mfr.Part #: SMBJ33CA-TR

Datasheet: SMBJ33CA-TR Datasheet (PDF)

Package/Case: DO-214AA

RoHS Status:

Stock Condition: 2,854 pcs, New Original

Product Type: TVS Diodes

Warranty: 1 Year Ovaga Warranty - Find Out More


*All prices are in USD

Qty Unit Price Ext Price
5 $0.135 $0.675
50 $0.112 $5.600
150 $0.100 $15.000
500 $0.091 $45.500
2500 $0.084 $210.000
5000 $0.081 $405.000

In Stock: 2,854 PCS

- +

Quick Quote

Please submit RFQ for SMBJ33CA-TR or email to us: Email: [email protected], we will contact you within 12 hours.

SMBJ33CA-TR General Description

The SMBJ33CA-TR is a reliable and efficient solution for protecting sensitive equipment from electrostatic discharges and electrical overstress. This device complies with IEC 61000-4-2 and MIL STD 883 standards, ensuring top-notch performance in diverse applications. With a surge rating below 600 W (10/1000 μs), the SMBJ33CA-TR is ideal for use in high-end equipment and SMPS where low leakage current and high junction temperature are crucial for long-term reliability. The SMBJ series, packaged in SMB, offers a practical and compact design that is easy to integrate into existing systems


  • High current rating
  • Low inductance
  • Fast response time
  • Accurate control


Parameter Value Parameter Value
Manufacturer: STMicroelectronics Product Category: ESD Suppressors / TVS Diodes
RoHS: Details Polarity: Bidirectional
Number of Channels: 1 Channel Working Voltage: 33 V
Termination Style: SMD/SMT Clamping Voltage: 69.7 V
Breakdown Voltage: 36.7 V Package / Case: DO-214AA-2
Ipp - Peak Pulse Current: 57 A Pppm - Peak Pulse Power Dissipation: 600 W
Cd - Diode Capacitance: - Vesd - Voltage ESD Contact: 8 kV
Vesd - Voltage ESD Air Gap: 15 kV Product Type: TVS Diodes
Minimum Operating Temperature: - 55 C Maximum Operating Temperature: + 150 C
Series: SMBJ Packaging: MouseReel
Brand: STMicroelectronics Pd - Power Dissipation: -
Factory Pack Quantity: 2500 Subcategory: TVS Diodes / ESD Suppression Diodes
Tradename: Transil Vf - Forward Voltage: -
Unit Weight: 0.003880 oz Series SMBJ, TRANSIL™
Product Status Active Type Zener
Bidirectional Channels 1 Voltage - Reverse Standoff (Typ) 33V
Voltage - Breakdown (Min) 36.7V Voltage - Clamping (Max) @ Ipp 53.3V
Current - Peak Pulse (10/1000µs) 11.8A Power - Peak Pulse 600W
Power Line Protection No Applications General Purpose
Operating Temperature -55°C ~ 150°C (TJ) Mounting Type Surface Mount
Package / Case DO-214AA, SMB Supplier Device Package SMB (DO-214AA)
Base Product Number SMBJ33


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The SMBJ33CA-TR is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients. It has a working voltage of 33V and a peak pulse power dissipation of 600W. This component is ideal for applications requiring surge protection, such as in communication equipment, automotive systems, and industrial controls.
  • Equivalent

    The equivalent products of SMBJ33CA-TR chip are SMBJ33CA, 1.5KE36CA, P6KE36CA, and SMCJ33CA. These are all transient voltage suppressor diodes with the same specifications and parameters as the SMBJ33CA-TR chip.
  • Features

    1. SMBJ33CA-TR is a surface mount transient voltage suppressor diode. 2. It has a peak power rating of 600 watts. 3. It is designed to protect sensitive electronics from voltage spikes and surges. 4. It has a working voltage of 33 volts. 5. It is RoHS compliant and designed for high reliability applications.
  • Pinout

    The SMBJ33CA-TR is a surface mount transient voltage suppressor diode with a pin count of two. It is designed to protect electronic circuits from overvoltage events by rapidly clamping voltages to a safe level.
  • Manufacturer

    SMBJ33CA-TR is manufactured by Taiwan Semiconductor Co., Ltd., a semiconductor company based in Taiwan. They are a leading manufacturer of discrete semiconductor components including diodes, rectifiers, and transient voltage suppressors. Founded in 1979, Taiwan Semiconductor Co., Ltd. has established a strong reputation in the industry for providing high-quality, reliable components for various applications.
  • Application Field

    The SMBJ33CA-TR is commonly used in a wide range of electronic devices for protection against transient voltage spikes. It is commonly found in power supplies, telecommunications equipment, industrial controls, automotive systems, and consumer electronics.
  • Package

    The SMBJ33CA-TR chip is a surface mount package. It comes in a SMB form factor and has a size of 4.57mm x 3.81mm.

Datasheet PDF

Preliminary Specification SMBJ33CA-TR PDF Download

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