SMBJ33CA Bidirectional TVS diode with 33V reverse standoff voltage, 53.3V clamping, and 600W peak pulse power dissipation. Surface mount DO-214AA (SMB) package.
Mfr Part #:

SMBJ33CA

Available from 6 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Bidirectional TVS diode with 33V reverse standoff voltage, 53.3V clamping, and 600W peak pulse power dissipation. Surface mount DO-214AA (SMB) package.
Total Stock: 17,765 pcs
$ Price Range: $0.08 - $0.54

SMBJ33CA Available from 6 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
9,000 pcs
9000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
650 pcs
650 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
90 pcs
$0.14
Qty Price
0+ 0.14
90 pcs $0.14
QtyPrice
0+ 0.14
1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
25 pcs
25 pcs On Request 1 On Request On Request On Request On Request On Request

SMBJ33CA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bidirectional Channels
Current
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Line Protection
Prop 65
Response Time (Bidirectional)
Steady State Power Dissipation
Supplier Device Package
Tape & Reel
Type
VRWM (Standoff Voltage)
Voltage

SMBJ33CA Description

Short technical summary and product information.

The SMBJ33CA is a bidirectional transient voltage suppressor (TVS) diode from Littelfuse Inc., designed to protect sensitive electronics from voltage transients induced by lightning, ESD, and other surge events. It features a reverse standoff voltage (VRWM) of 33V and a maximum clamping voltage of 53.3V at a peak pulse current of 11.3A. The device can dissipate up to 600W of peak pulse power (10/1000µs waveform) and offers a typical response time of less than 5 picoseconds for bidirectional operation.

 

This TVS diode is housed in a surface mount DO-214AA (SMB) package, also referred to as supplier device package DO-214AA (SMBJ). It is suitable for general purpose applications and is rated for an operating temperature range of -65°C to +150°C. The part is RoHS3 compliant and has an MSL of 1 (unlimited).

 

Designed for use in power supply protection, data line protection, and general circuit protection in consumer, industrial, and telecommunications equipment. The SMBJ33CA provides reliable clamping of overvoltage transients while maintaining low leakage in standby mode.

SMBJ33CA Quick Information

Product Type: TVS Diode
Series: SMBJ33CA
Canonical Name: TVS Diode, Bidirectional, 33V Standoff, 600W, DO-214AA (SMB)
Subcategory: Bidirectional TVS

SMBJ33CA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SMBJ33CA Estimated Pricing

Qty Low High
1+ $0.54 $0.54
10+ $0.33 $0.33
100+ $0.21 $0.21
500+ $0.16 $0.16
1,000+ $0.14 $0.14
3,000+ $0.10 $0.10
6,000+ $0.09 $0.09
9,000+ $0.09 $0.09
15,000+ $0.08 $0.08
21,000+ $0.08 $0.08
30,000+ $0.08 $0.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

SMBJ33CA Features

  • 33V reverse standoff voltage rating.
  • Maximum clamping voltage of 53.3V.
  • 600W peak pulse power dissipation.
  • Bidirectional single-channel protection.
  • Surface mount DO-214AA (SMB) package.

SMBJ33CA Applications

  • Protects power supply input lines.
  • Used in data line surge protection.
  • Suitable for general purpose circuit protection.

SMBJ33CA FAQs

6 frequently asked questions generated from this part’s specifications.
What is the standoff voltage of the SMBJ33CA?

The reverse standoff voltage (VRWM) is 33V.

What is the clamping voltage of this TVS diode?

The maximum clamping voltage is 53.3V.

What is the peak pulse power rating?

The minimum peak pulse power dissipation is 600W (TP = 1 ms).

What package does the SMBJ33CA come in?

It is available in a surface mount DO-214AA (SMB) package.

Is this device bidirectional?

Yes, it has 1 bidirectional channel.

What is the operating temperature range?

The operating temperature range is -65°C to +150°C.

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