AT-41532-TR2G RF Transistor NPN Equivalent & Substitute Parts

Part Overview

The AT-41532-TR2G is an RF transistor NPN manufactured by Broadcom Limited, designed for surface mount applications in the SC-70-3 package. This device operates at 12V collector-emitter breakdown voltage with a maximum power dissipation of 225mW and collector current of 50mA. The transistor is optimized for RF applications across the 900MHz to 2.4GHz frequency range with noise figure specifications of 1dB to 1.9dB and gain ranging from 9dB to 15.5dB.

The AT-41532-TR2G is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this RF transistor.

Substiute Parts

AT-41532-TR2G

Broadcom LimitedIn Stock: 914AT-41532-TR2G Datasheet

Current PartRFQ

2SC4713KT146S

Rohm SemiconductorIn Stock: 46692SC4713KT146S Datasheet

MFR RecommendedRFQ

2SC5415AE-TD-E

onsemiIn Stock: 15712SC5415AE-TD-E Datasheet

MFR RecommendedRFQ

BFP460H6327XTSA1

Infineon TechnologiesIn Stock: 60206BFP460H6327XTSA1 Datasheet

MFR RecommendedRFQ

BFR93AWH6327XTSA1

Infineon TechnologiesIn Stock: 35409BFR93AWH6327XTSA1 Datasheet

MFR RecommendedRFQ

MAPRST0912-350

MACOM Technology SolutionsIn Stock: 823MAPRST0912-350 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AT-41532-TR2G is determined by the following critical parameters:

Electrical Compatibility Criteria:

• Transistor type must be NPN
• Collector-emitter breakdown voltage must be greater than or equal to 12V
• Maximum collector current must be greater than or equal to 50mA
• Maximum power dissipation must be greater than or equal to 225mW
• Operating temperature range must support 150°C junction temperature

Mechanical Compatibility Criteria:

• Mounting type must be surface mount
• Package must be compatible with SC-70, SOT-323, or equivalent small outline packages

Performance Criteria:

• Noise figure and gain characteristics should align with RF application requirements in the specified frequency range
• DC current gain (hFE) should support the intended bias conditions

The substitute parts identified below meet these criteria with varying degrees of parameter overlap. Parts are grouped based on their suitability for direct replacement or application-specific substitution.

Parameter Comparison

Engineering Selection Recommendations

BFR93AWH6327XTSA1 (Infineon Technologies)

This substitute provides the closest electrical and mechanical compatibility with the AT-41532-TR2G. Both devices feature 12V collector-emitter breakdown voltage, SC-70/SOT-323 package compatibility, and surface mount configuration. The BFR93AWH6327XTSA1 exceeds the current and power requirements with 90mA maximum collector current and 300mW power dissipation. The device is active in production status with ROHS3 compliance and REACH unaffected designation, ensuring long-term availability and regulatory compliance.

BFP460H6327XTSA1 (Infineon Technologies)

This substitute is suitable for applications where lower voltage operation is acceptable. The device operates at 5.8V collector-emitter breakdown voltage with 70mA maximum collector current and 230mW power dissipation. The BFP460H6327XTSA1 features a SOT-343 package and is active in production with extensive inventory availability (60,104 pieces). ROHS3 compliance and REACH unaffected status support regulatory requirements.

2SC4713KT146S (Rohm Semiconductor)

This substitute operates at reduced voltage (6V collector-emitter breakdown) but maintains 50mA maximum collector current and 200mW power dissipation. The device is active in production with high inventory availability (4,631 pieces). Package compatibility differs (SOT-23-3 versus SC-70), requiring PCB layout evaluation. ROHS3 compliance and REACH unaffected status are confirmed.

2SC5415AE-TD-E (onsemi)

This substitute provides higher power capability (800mW) and increased collector current (100mA) with matching 12V collector-emitter breakdown voltage. The device is classified as obsolete, limiting long-term supply assurance. The TO-243AA package differs from the original SC-70 configuration, requiring mechanical redesign consideration.

MAPRST0912-350 (MACOM Technology Solutions)

This substitute is not recommended for direct replacement due to fundamental mechanical incompatibility. The device is a chassis mount component with 350W power dissipation, designed for high-power RF applications. Electrical parameters (65V breakdown voltage, 32.5A collector current) exceed application requirements by orders of magnitude. This part is suitable only for completely different application classes.

Frequently Asked Questions (FAQ)

Q: Can the BFR93AWH6327XTSA1 be used as a direct replacement for the AT-41532-TR2G?

A: Yes, the BFR93AWH6327XTSA1 is suitable for direct replacement in most applications. Both devices share identical 12V collector-emitter breakdown voltage, SC-70/SOT-323 package compatibility, and surface mount configuration. The BFR93AWH6327XTSA1 provides superior performance with higher current and power ratings. Active production status and ROHS3 compliance ensure supply continuity.

Q: What is the primary limitation of the 2SC4713KT146S as a substitute?

A: The 2SC4713KT146S operates at 6V collector-emitter breakdown voltage, which is 50% lower than the AT-41532-TR2G specification of 12V. Applications requiring full 12V operation cannot use this substitute. Additionally, the SOT-23-3 package differs from the original SC-70 configuration, requiring PCB layout modification and potential circuit board redesign.

Q: Why is the MAPRST0912-350 listed as a substitute if it is not recommended?

A: The MAPRST0912-350 is included in the substitute list based on the provided input data, which identified it as a manufacturer-recommended equivalent. However, engineering analysis reveals fundamental incompatibility. This device is a high-power chassis mount transistor designed for applications requiring 350W dissipation and 32.5A collector current. It is not suitable for small-signal RF applications requiring the AT-41532-TR2G specifications.

Q: Are there package compatibility concerns with any of the recommended substitutes?

A: The BFR93AWH6327XTSA1 maintains full package compatibility with SC-70/SOT-323 configuration. The BFP460H6327XTSA1 uses SOT-343 package, which is mechanically similar but may require PCB footprint verification. The 2SC4713KT146S uses SOT-23-3 package, which differs from the original and requires PCB layout modification. The 2SC5415AE-TD-E uses TO-243AA package, requiring significant mechanical redesign.

Q: What compliance certifications should be verified for substitute parts?

A: All recommended active substitutes (BFR93AWH6327XTSA1, BFP460H6327XTSA1, 2SC4713KT146S) carry ROHS3 compliance and REACH unaffected designation, matching the original part's regulatory status. Verify compliance documentation with your supplier before procurement to ensure compatibility with your application's regulatory requirements.

Q: How does the noise figure specification affect substitute selection?

A: The AT-41532-TR2G specifies noise figure of 1dB to 1.9dB at 900MHz to 2.4GHz. The BFR93AWH6327XTSA1 provides 1.5dB to 2.6dB at 900MHz to 1.8GHz, which overlaps the original specification range. The BFP460H6327XTSA1 specifies 0.7dB to 1.2dB at 100MHz to 3GHz, providing superior noise performance. Application-specific frequency requirements determine whether these variations are acceptable.

Q: What is the significance of the obsolete product status for the AT-41532-TR2G?

A: Obsolete status indicates the manufacturer has discontinued production and support. This creates supply chain risk for ongoing production requirements. Identifying active substitutes (BFR93AWH6327XTSA1, BFP460H6327XTSA1, 2SC4713KT146S) with confirmed inventory availability ensures design continuity and production sustainability. Active product status provides assurance of long-term component availability.