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SMBJ20A Bourns SMBJ20A is a 600W unidirectional TVS diode with 20V standoff voltage and 32.4V clamping voltage. Designed for surface mount applications in a DO-214AA (SMB) package.
Mfr Part #:

SMBJ20A

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns SMBJ20A is a 600W unidirectional TVS diode with 20V standoff voltage and 32.4V clamping voltage. Designed for surface mount applications in a DO-214AA (SMB) package.
✓ Total Stock: 9,000 pcs
$ Price Range: $0.10 - $0.58

SMBJ20A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
Non-Authorised Inventory information
9,000 pcs
On Request
9000 pcs On Request 1 On Request On Request 1028 On Request On Request
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SMBJ20A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Forward Voltage
Mounting Type
Operating Temperature
Power
Power Line Protection
Prop 65
Response Time
Supplier Device Package
Tape & Reel
Termination Style
Type
Unidirectional Channels
Voltage
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SMBJ20A Description

Short technical summary and product information.

The Bourns SMBJ20A is a unidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients. It features a standoff voltage of 20V and provides clamping at 32.4V during a surge event. With a peak pulse power dissipation of 600W (1ms) and a peak pulse current of 18.6A, it is suitable for general-purpose protection applications.

 

The device offers fast response time of less than 1 picosecond for unidirectional configurations, making it ideal for high-speed signal lines. It complies with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards. The SMBJ20A also handles a forward surge current of 100A (8.3ms) and has a steady-state power dissipation of 5W at 75°C lead temperature.

 

Packaged in a compact DO-214AA (SMB) surface mount package with gull wing leads, it is suitable for automated assembly. The operating temperature range spans -55°C to 150°C, ensuring reliability in harsh environments. This component is RoHS compliant and has a UL file number E153537.

SMBJ20A Quick Information

Product Type: TVS Diode
Series: SMBJ
Canonical Name: Bourns SMBJ20A TVS Diode
Subcategory: TVS Diodes

SMBJ20A Compliance

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

SMBJ20A Estimated Pricing

Qty Low High
1+ $0.58 $0.58
10+ $0.36 $0.36
100+ $0.23 $0.23
500+ $0.17 $0.17
1,000+ $0.15 $0.15
3,000+ $0.13 $0.13
6,000+ $0.12 $0.12
9,000+ $0.11 $0.11
15,000+ $0.11 $0.11
21,000+ $0.10 $0.10
30,000+ $0.10 $0.10

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

SMBJ20A Features

  • 600W peak pulse power dissipation.
  • 20V standoff and 32.4V clamping.
  • Response time less than 1 picosecond.
  • Surface mount DO-214AA package.

SMBJ20A Applications

  • General purpose circuit protection applications.
  • ESD protection for I/O lines per IEC 61000-4-2.
  • Surge protection in power supply circuits.
  • EFT protection in industrial equipment.

SMBJ20A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the standoff voltage of the SMBJ20A?

20 V.

What is the clamping voltage of the SMBJ20A?

32.4 V maximum.

What is the peak pulse current rating?

18.6 A.

What package type does the SMBJ20A use?

DO-214AA (SMB) surface mount package.

What is the peak pulse power rating?

600 W (1ms).

What is the operating temperature range?

-55°C to 150°C.

Is the SMBJ20A RoHS compliant?

Yes, RoHS3 compliant.

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