SMBJ20A-TR The SMBJ20A-TR from STMicroelectronics is a unidirectional TVS diode with a 20V standoff voltage and 32.4V clamping voltage. It is rated for 600W peak pulse power and comes in a surface-mount DO-214AA (SMB) package.
Mfr Part #:

SMBJ20A-TR

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The SMBJ20A-TR from STMicroelectronics is a unidirectional TVS diode with a 20V standoff voltage and 32.4V clamping voltage. It is rated for 600W peak pulse power and comes in a surface-mount DO-214AA (SMB) package.
Total Stock: 15,074 pcs
$ Price Range: $0.14 - $0.75

SMBJ20A-TR Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
15,000 pcs
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
74 pcs
74 pcs On Request 1 On Request On Request On Request On Request On Request

SMBJ20A-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Reverse Standoff Voltage (V_RWM)
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage

SMBJ20A-TR Description

Short technical summary and product information.

The SMBJ20A-TR is a unidirectional transient voltage suppression (TVS) diode from STMicroelectronics, designed to protect sensitive electronic circuits from voltage transients. It features a reverse standoff voltage of 20V and clamps transients to 32.4V, with a peak pulse current handling capability of 19.4A and a peak pulse power rating of 600W. The device is not intended for power line protection and is suitable for general-purpose applications. It is housed in a surface-mount DO-214AA (SMB) package and operates over a temperature range of -55°C to 150°C.

SMBJ20A-TR Quick Information

Product Type: TVS Diode
Canonical Name: STMicroelectronics SMBJ20A-TR TVS Diode, 20V Standoff, 32.4V Clamping, DO-214AA (SMB)
Subcategory: Unidirectional TVS Diode

SMBJ20A-TR Compliance

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

SMBJ20A-TR Estimated Pricing

Qty Low High
1+ $0.75 $0.75
10+ $0.46 $0.46
100+ $0.30 $0.30
500+ $0.23 $0.23
1,000+ $0.21 $0.21
2,500+ $0.18 $0.18
5,000+ $0.16 $0.16
10,000+ $0.15 $0.15
25,000+ $0.14 $0.14

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

SMBJ20A-TR Features

  • Unidirectional TVS diode with 20V standoff.
  • Clamps transients to 32.4V.
  • Rated for 600W peak pulse power.
  • Handles 19.4A peak pulse current.
  • Surface-mount DO-214AA (SMB) package.

SMBJ20A-TR Applications

  • Suitable for general-purpose transient voltage suppression.
  • Protects sensitive components from voltage spikes.
  • Used in overvoltage protection circuits for electronics.

SMBJ20A-TR FAQs

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

20V.

What is the clamping voltage?

32.4V.

What is the peak pulse current rating?

19.4A.

What is the peak pulse power rating?

600W.

What package does the SMBJ20A-TR come in?

DO-214AA (SMB) surface mount package.

Is this a unidirectional TVS diode?

Yes, it has 1 unidirectional channel.

What is the operating temperature range?

-55°C to 150°C.

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