AQ4020-01FTG-C Bidirectional TVS diode from Littelfuse, rated for 3.3V reverse standoff voltage and 24.5V clamping. Provides 735W peak pulse power in a compact SOD-323 surface mount package.
Mfr Part #:

AQ4020-01FTG-C

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Bidirectional TVS diode from Littelfuse, rated for 3.3V reverse standoff voltage and 24.5V clamping. Provides 735W peak pulse power in a compact SOD-323 surface mount package.
Total Stock: 63,559 pcs
$ Price Range: $0.27 - $1.21

AQ4020-01FTG-C 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
60,559 pcs
60559 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request 24+ On Request On Request

AQ4020-01FTG-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Bidirectional Channels
Capacitance @ Frequency
Clamping Voltage (Typ)
Current
Mounting Type
Operating Temperature
Package / Case
Peak Pulse Current (8/20µs)
Peak Pulse Power
Power
Power Line Protection
Supplier Device Package
Tape & Reel
Type
Voltage
Voltage - Reverse Standoff (Typ)

AQ4020-01FTG-C Description

Short technical summary and product information.

The AQ4020-01FTG-C is a bidirectional TVS diode from Littelfuse designed for overvoltage protection in sensitive electronics. It features a reverse standoff voltage of 3.3V and a typical clamping voltage of 24.5V, with a peak pulse power rating of 735W (8/20µs waveform). The device offers a single bidirectional channel and low capacitance of 2.5pF at 1MHz, making it suitable for high-speed data lines.

 

This TVS diode is designed for applications including automotive systems, CAN bus interfaces, Ethernet, and USB ports. The operating temperature range spans -40°C to 150°C, ensuring reliable performance in harsh environments.

 

The component is supplied in a surface-mount SOD-323 package (also known as SC-76), which enables compact PCB layouts. It is RoHS3 compliant, REACH unaffected, and has an MSL of 1 (unlimited). The device is not intended for power line protection.

AQ4020-01FTG-C Quick Information

Product Type: TVS Diode
Canonical Name: TVS Diode (Bidirectional) 3.3V 24.5V 735W SOD-323
Subcategory: TVS - Diodes

AQ4020-01FTG-C Compliance

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

AQ4020-01FTG-C Estimated Pricing

Qty Low High
1+ $1.21 $1.21
10+ $0.72 $0.72
100+ $0.50 $0.50
500+ $0.38 $0.38
1,000+ $0.35 $0.35
3,000+ $0.27 $0.27

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

AQ4020-01FTG-C Features

  • Bidirectional TVS diode for overvoltage protection.
  • 3.3V reverse standoff voltage rating.
  • 24.5V typical clamping voltage.
  • 735W peak pulse power capability.
  • Low 2.5pF capacitance at 1MHz.

AQ4020-01FTG-C Applications

  • Protects automotive electronics from voltage transients.
  • Suitable for CAN bus interface protection.
  • Used in Ethernet port surge protection.
  • Ideal for USB port overvoltage protection.

AQ4020-01FTG-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the AQ4020-01FTG-C?

The reverse standoff voltage is 3.3V (inferred from part number).

What is the clamping voltage?

The typical clamping voltage is 24.5V.

What is the peak pulse current rating?

The peak pulse current is 30A under 8/20µs waveform.

What package does the AQ4020-01FTG-C come in?

It is available in surface mount SOD-323 (SC-76) package.

What is the peak pulse power rating?

The peak pulse power is 735W.

What is the capacitance of this TVS diode?

The typical capacitance is 2.5pF at 1MHz.

What are the operating temperature limits?

The operating temperature range is -40°C to 150°C.

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