RL73H2AR33FTDF Equivalent & Substitute Parts

Part Overview

The RL73H2AR33FTDF is a 330 mOhms ±1% thick film chip resistor manufactured by TE Connectivity Passive Product. This current sense resistor is rated for 0.125W (1/8W) power dissipation in a 0805 (2012 Metric) surface mount package. The part is designed for precision current measurement applications requiring low resistance values with tight tolerance specifications. The RL73H2AR33FTDF maintains Active product status and is RoHS3 compliant. Substitute parts are identified to provide alternative sourcing options while maintaining identical electrical and mechanical specifications.

Substiute Parts

RL73H2AR33FTDF

TE Connectivity Passive ProductIn Stock: 866RL73H2AR33FTDF Datasheet

Current PartRFQ

RL73H2AR33FTD

TE Connectivity Passive ProductIn Stock: 7608RL73H2AR33FTD Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RL73H2AR33FTDF are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic requires exact matching of the following parameters:

• Resistance value: 330 mOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Current sense functionality
• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

Parts meeting all these criteria are classified as direct equivalents and may be substituted without circuit redesign or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

The RL73H2AR33FTD is a direct equivalent substitute for the RL73H2AR33FTDF. Both parts are manufactured by TE Connectivity Passive Product and share identical electrical specifications, mechanical dimensions, and regulatory compliance certifications. Selection between these parts may be based on inventory availability and lead time considerations. Both parts maintain Active product status and are fully compliant with RoHS3 and REACH requirements. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity restrictions for either part. Both parts are suitable for immediate substitution in current sense applications requiring 330 mOhms resistance with ±1% tolerance in 0805 package format.

Frequently Asked Questions (FAQ)

Q: Can RL73H2AR33FTD be used as a direct replacement for RL73H2AR33FTDF?

A: Yes. The RL73H2AR33FTD is a direct equivalent substitute. All electrical parameters, mechanical dimensions, package specifications, and regulatory certifications are identical between the two parts.

Q: Are there any differences in the 0805 package dimensions between these parts?

A: No. Both parts have identical package dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) with a maximum seated height of 0.026" (0.65mm). They are mechanically interchangeable.

Q: Do both parts have the same temperature coefficient?

A: Yes. Both RL73H2AR33FTDF and RL73H2AR33FTD have a temperature coefficient of ±100ppm/°C and operate across the same temperature range of -55°C to 155°C.

Q: What is the significance of the current sense feature?

A: The current sense feature indicates these resistors are designed for precision current measurement applications. The ±1% tolerance and thick film composition support accurate current monitoring in circuit designs.

Q: Are moisture sensitivity considerations relevant for these parts?

A: No. Both parts have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes. The identical 0805 package specifications, termination count (2), and mechanical dimensions ensure direct PCB layout compatibility without design modifications.

Q: What regulatory certifications apply to both substitute parts?

A: Both parts are RoHS3 compliant and REACH unaffected. They meet current environmental and hazardous substance restrictions for electronic components.