MMVL3401T1 RF PIN Diode Equivalent & Substitute Parts

Part Overview

The MMVL3401T1 is an RF PIN diode manufactured by onsemi, designed for RF switching and attenuation applications. It features a 35V peak reverse voltage rating, 20 mA maximum current, and 200 mW power dissipation in a compact SOD-323 package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement.

Substiute Parts

MMVL3401T1

onsemiIn Stock: 1434MMVL3401T1 Datasheet

Current PartRFQ

BAR6503WE6327HTSA1

Infineon TechnologiesIn Stock: 12601BAR6503WE6327HTSA1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MMVL3401T1 is determined by the following critical parameters:

Package Compatibility: Both the main part and substitute must use SOD-323 package format to ensure mechanical and thermal compatibility in existing PCB layouts.

Electrical Performance Envelope: Substitute parts must meet or exceed the voltage, current, and power dissipation requirements. The MMVL3401T1 operates at 35V peak reverse voltage with 20 mA maximum current and 200 mW dissipation. Substitute devices must support these or higher ratings to function within the original circuit design.

RF Characteristics: Capacitance and resistance parameters at specified frequencies determine RF switching performance. Substitutes with comparable or lower capacitance and resistance values maintain signal integrity in RF applications.

Thermal and Environmental Ratings: Operating temperature of 150°C (TJ) and MSL 1 classification establish baseline reliability requirements that substitutes must maintain.

Compliance Status: RoHS and REACH certifications are documented for component selection in regulated applications.

Parameter Comparison

Engineering Selection Recommendations

The BAR6503WE6327HTSA1 from Infineon Technologies is electrically compatible with the MMVL3401T1 for most RF PIN diode applications. Both devices share identical package specifications (SOD-323) and operating temperature ratings (150°C TJ), ensuring mechanical and thermal compatibility.

The BAR6503WE6327HTSA1 provides higher current capability (100 mA vs. 20 mA) and greater power dissipation (250 mW vs. 200 mW), offering design margin in applications requiring higher switching currents or power handling. The peak reverse voltage of the substitute is 30V compared to 35V in the original part; circuit designs operating below 30V reverse bias are unaffected.

The BAR6503WE6327HTSA1 achieves ROHS3 compliance, whereas the MMVL3401T1 is RoHS non-compliant. This distinction is relevant for applications subject to RoHS regulations. Both parts maintain REACH Unaffected status and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can the BAR6503WE6327HTSA1 directly replace the MMVL3401T1 in existing designs?

A: Yes, for circuits operating at or below 30V peak reverse bias. Both devices use identical SOD-323 packaging and share the same thermal and MSL ratings. Verify that your circuit does not require the full 35V reverse voltage capability of the original part.

Q: What is the impact of the lower peak reverse voltage (30V vs. 35V) on circuit performance?

A: The substitute part is rated for 30V maximum peak reverse voltage. If your circuit design applies reverse bias voltages exceeding 30V, the substitute is not suitable. For applications operating within 30V, no performance impact occurs.

Q: How do the RF characteristics compare between these parts?

A: The BAR6503WE6327HTSA1 exhibits slightly lower capacitance (0.8pF vs. 1pF) and higher resistance (900mOhm vs. 700mOhm) at specified measurement conditions. These differences are minor and do not significantly affect RF switching performance in typical applications. Verify performance through circuit simulation if operating at the upper frequency limits of your design.

Q: Does the higher current rating of the substitute affect circuit design?

A: The BAR6503WE6327HTSA1 supports 100 mA maximum current compared to 20 mA in the original part. This higher rating provides design margin and does not negatively impact circuits designed for lower currents. No circuit modifications are required.

Q: What is the significance of RoHS compliance differences?

A: The MMVL3401T1 is RoHS non-compliant, while the BAR6503WE6327HTSA1 is ROHS3 compliant. For applications subject to RoHS regulations or customer requirements, the Infineon substitute meets current compliance standards. For legacy or non-regulated applications, both parts are functionally equivalent.

Q: Are there any packaging or handling differences?

A: Both parts use SOD-323 packaging with MSL 1 (Unlimited) moisture sensitivity classification. No special handling or storage requirements differ between the two devices. PCB layout and assembly processes remain unchanged.