MMRF2004NBR1 Equivalent & Substitute Parts

Part Overview

The MMRF2004NBR1 is an RF MOSFET LDMOS transistor manufactured by NXP USA Inc., designed for RF applications operating at 2.7 GHz with 4W output power and 28.5 dB gain. This device is packaged in a TO-272-16 configuration with flat leads, suitable for chassis mount applications.

The MMRF2004NBR1 has reached obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this RF MOSFET technology.

Substiute Parts

MMRF2004NBR1

NXP USA Inc.In Stock: 1144MMRF2004NBR1 Datasheet

Current PartRFQ

AFIC31025NR1

NXP USA Inc.In Stock: 1143AFIC31025NR1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MMRF2004NBR1 is determined by alignment of the following critical parameters:

Technology Match: Both the main part and substitute must utilize LDMOS technology for RF MOSFET applications.

Frequency Compatibility: The substitute must operate within or encompass the 2.7 GHz frequency band of the original part.

Electrical Performance: Gain, output power, and voltage ratings must be equal to or exceed the original specifications to ensure functional equivalence in the target application.

Compliance & Certification: Both parts must maintain ROHS3 compliance and REACH unaffected status to satisfy regulatory requirements.

Packaging Consideration: While the substitute may employ a different package variant (TO-270-17 versus TO-272-16), both are flat-lead configurations suitable for RF applications, though mounting type differs between chassis mount and surface mount.

The AFIC31025NR1 meets these substitution criteria with enhanced electrical performance characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

The AFIC31025NR1 is the manufacturer-recommended substitute for the obsolete MMRF2004NBR1. Both devices are manufactured by NXP USA Inc. and share identical LDMOS technology with overlapping frequency bands centered at 2.7 GHz.

The AFIC31025NR1 maintains full regulatory compliance with ROHS3 and REACH unaffected status, matching the environmental and safety certifications of the original part. The substitute demonstrates enhanced electrical performance with higher gain (30 dB versus 28.5 dB) and significantly greater output power (25 W versus 4 W).

The primary design consideration is the transition from chassis mount (TO-272-16) to surface mount (TO-270-17) packaging. This change requires PCB layout modification and thermal management reassessment. The rated voltage of the substitute is lower (32 V versus 65 V), which must be evaluated against the application's operating voltage requirements.

The AFIC31025NR1 is currently in active production status with confirmed inventory availability, ensuring long-term supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the AFIC31025NR1 directly replace the MMRF2004NBR1 without circuit modifications?

A: Direct pin-for-pin replacement is not possible due to package differences (TO-272-16 versus TO-270-17). PCB layout redesign is required. However, the electrical characteristics are compatible for RF MOSFET applications operating at 2.7 GHz.

Q: What is the impact of the higher output power rating (25 W versus 4 W) on system design?

A: The AFIC31025NR1 provides greater power handling capability. Applications designed for 4 W operation will function within the substitute's specifications. Thermal design may be simplified due to lower power density requirements relative to the device's rating.

Q: Does the lower rated voltage (32 V versus 65 V) affect compatibility?

A: The rated voltage specification indicates the maximum safe operating voltage. If the application operates at voltages exceeding 32 V, the AFIC31025NR1 is not suitable. Verify the actual operating voltage of your circuit against the substitute's 32 V rating.

Q: Are there any compliance or certification differences between the two parts?

A: Both parts maintain identical ROHS3 compliance and REACH unaffected status. Moisture sensitivity levels are equivalent at MSL 3 (168 Hours). No compliance barriers exist for substitution.

Q: What mounting considerations apply when transitioning from chassis mount to surface mount?

A: The MMRF2004NBR1 uses chassis mount configuration suitable for through-hole or bolt-down applications. The AFIC31025NR1 requires surface mount assembly on PCB. Thermal management, grounding, and RF trace routing must be redesigned for the new package geometry.

Q: Is the AFIC31025NR1 available in the same packaging format (Tape & Reel)?

A: The AFIC31025NR1 is supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes. The MMRF2004NBR1 packaging format was not specified in the original documentation.