PAM8406ER Equivalent & Substitute Parts

Part Overview

The PAM8406ER is a 2-channel stereo Class D/Class AB amplifier IC manufactured by Diodes Incorporated, rated for 5W output per channel at 2Ω load impedance. This surface-mount device operates across a 2.5V to 5.5V supply voltage range and integrates depop, short-circuit, and thermal protection features. The PAM8406ER is classified as an active product with full RoHS3 compliance and REACH unaffected status.

Substitute parts are identified when equivalent electrical performance, thermal characteristics, and mechanical compatibility are maintained across the specified operating parameters. Alternative packaging configurations of the same base product number (PAM8406) provide functional equivalence while accommodating different assembly and inventory requirements.

Substiute Parts

PAM8406ER

Diodes IncorporatedIn Stock: 3001PAM8406ER Datasheet

Current PartRFQ

PAM8406DR

Diodes IncorporatedIn Stock: 42795PAM8406DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PAM8406ER is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Amplifier topology: Class D, Class AB configuration
• Channel count: 2-Channel (Stereo) output
• Output power rating: 5W per channel at 2Ω load
• Supply voltage range: 2.5V ~ 5.5V
• Operating temperature range: -40°C ~ 85°C
• Integrated protection features: Depop, short-circuit, and thermal protection

Mechanical Compatibility Criteria:

• Base product number: PAM8406
• Mounting type: Surface Mount
• Package family: 16-SOIC (0.154", 3.90mm Width)
• Regulatory compliance: RoHS3 and REACH status

The PAM8406DR qualifies as a direct substitute based on identical electrical specifications and base product lineage. The primary distinction is packaging configuration: the PAM8406ER uses 16-SO-EP (with exposed pad), while the PAM8406DR uses 16-SOP (standard outline). Both packages maintain the 0.154" (3.90mm) width specification and surface-mount assembly compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the PAM8406ER and PAM8406DR are active products with identical electrical specifications and full regulatory compliance. Selection between these variants is based on packaging configuration and moisture sensitivity requirements.

PAM8406ER (16-SO-EP with Exposed Pad):

• Specified for applications requiring enhanced thermal dissipation through the exposed pad
• Moisture Sensitivity Level 1 (unlimited shelf life without desiccant storage)
• Suitable for high-volume production with extended inventory holding periods

PAM8406DR (16-SOP Standard Outline):

• Standard package configuration without exposed pad
• Moisture Sensitivity Level 3 (168-hour maximum floor life after moisture exposure)
• Requires adherence to moisture control protocols during assembly
• Higher inventory availability (42,700 pcs vs. 2,913 pcs)

Both parts maintain identical electrical performance, thermal protection, and regulatory certifications. Selection should be based on thermal management requirements of the target application and moisture handling capabilities of the manufacturing environment.

Frequently Asked Questions (FAQ)

Q: Are the PAM8406ER and PAM8406DR electrically identical?

A: Yes. Both devices share identical electrical specifications including amplifier topology (Class D/Class AB), output power (5W x 2 @ 2Ω), supply voltage range (2.5V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and integrated protection features (depop, short-circuit, thermal).

Q: What is the primary difference between these two parts?

A: The primary difference is package configuration. The PAM8406ER uses 16-SO-EP (with exposed pad) for enhanced thermal dissipation, while the PAM8406DR uses 16-SOP (standard outline) without an exposed pad. Both maintain the same 0.154" (3.90mm) width specification.

Q: Does the exposed pad on the PAM8406ER provide functional advantages?

A: The exposed pad on the PAM8406ER provides a thermal connection path to the PCB, enabling improved heat dissipation in applications requiring maximum thermal performance. The PAM8406DR without an exposed pad relies on standard lead-based thermal transfer.

Q: What is the significance of the Moisture Sensitivity Level difference?

A: The PAM8406ER has MSL 1 (unlimited shelf life), while the PAM8406DR has MSL 3 (168-hour maximum floor life after moisture exposure). This affects storage and handling protocols. MSL 1 parts do not require desiccant storage, while MSL 3 parts must be stored in controlled moisture environments and have time restrictions after opening.

Q: Can I substitute the PAM8406DR for the PAM8406ER in my design?

A: Substitution is possible if the application does not require the enhanced thermal dissipation provided by the exposed pad. Verify that the standard outline package meets your thermal management requirements and that your manufacturing environment can accommodate MSL 3 moisture sensitivity protocols.

Q: Can I substitute the PAM8406ER for the PAM8406DR?

A: Yes. The PAM8406ER provides equivalent electrical performance with superior moisture handling characteristics (MSL 1). The exposed pad offers additional thermal capability, making it suitable for any application previously using the PAM8406DR.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the PAM8406ER and PAM8406DR are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.

Q: What is the base product number for these parts?

A: Both parts share the base product number PAM8406. The suffix designations (ER and DR) indicate specific packaging and moisture sensitivity configurations of the same core amplifier IC.