1.5SMB51CA Bidirectional TVS diode from Littelfuse, 51V reverse standoff, 1500W peak pulse power, in DO-214AA surface mount package.
Mfr Part #:

1.5SMB51CA

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Bidirectional TVS diode from Littelfuse, 51V reverse standoff, 1500W peak pulse power, in DO-214AA surface mount package.
Total Stock: 24,000 pcs

1.5SMB51CA Available from 2 distributors

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12,000 pcs
12000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
12,000 pcs
12000 pcs On Request 1 On Request On Request On Request On Request On Request

1.5SMB51CA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bidirectional Channels
Breakdown Voltage
Clamping Voltage
Current
Halogen Free
Mounting Type
Operating Temperature
Package / Case
Peak Pulse Current
Peak Pulse Power
Power
Power Line Protection
Reverse Standoff Voltage
Storage Temperature
Supplier Device Package
Tape & Reel
Type
Voltage

1.5SMB51CA Description

Short technical summary and product information.

The 1.5SMB51CA is a bidirectional transient voltage suppression (TVS) diode from Littelfuse Inc., part of the 1.5SMB series. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

 

Key electrical specifications include a reverse standoff voltage of 51V, a breakdown voltage of 56.7V, and a clamping voltage of 70.1V. The device can handle a peak pulse current of 21.7A and a peak pulse power of 1500W (10/1000μs waveform). It offers excellent clamping capability and low incremental surge resistance.

 

The device is surface mountable in a DO-214AA (SMB) package. It is rated for operating temperatures from -65°C to 150°C and meets MSL level 1 per J-STD-020. The part is RoHS compliant, halogen free, and REACH unaffected.

1.5SMB51CA Quick Information

Product Type: TVS Diode
Series: 1.5SMB
Canonical Name: 1.5SMB51CA Littelfuse Inc. TVS Diode, 1500W, 51V Bidirectional, DO-214AA
Subcategory: Bidirectional TVS

1.5SMB51CA Compliance

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

1.5SMB51CA Features

  • 1500W peak pulse power capability.
  • 51V reverse standoff voltage.
  • Bidirectional protection in DO-214AA package.
  • RoHS compliant and halogen free.
  • MSL level 1 for high temperature soldering.

1.5SMB51CA Applications

  • Protects telecom equipment from voltage transients.
  • Suitable for I/O interface protection.
  • Used in industrial electronic circuits.
  • Ideal for Vcc bus overvoltage protection.

1.5SMB51CA FAQs

6 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5SMB51CA?

The reverse standoff voltage is 51V.

What is the clamping voltage?

The clamping voltage is 70.1V.

What is the peak pulse power rating?

The peak pulse power rating is 1500W.

What is the package type?

The package is DO-214AA (SMB), surface mount.

Is the 1.5SMB51CA bidirectional?

Yes, it is a bidirectional TVS diode.

What is the operating temperature range?

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

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