BFP520E6327BTSA1 Equivalent & Substitute Parts

Part Overview

The BFP520E6327BTSA1 is an RF transistor manufactured by Infineon Technologies, classified as a bipolar NPN transistor designed for high-frequency applications. This device operates at frequencies up to 45GHz with a maximum collector-emitter breakdown voltage of 3.5V and a power dissipation rating of 100mW in a surface mount SC-82A/SOT-343 package.

The BFP520E6327BTSA1 is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this component.

Substiute Parts

BFP520E6327BTSA1
Infineon TechnologiesIn Stock: 859BFP520E6327BTSA1 Datasheet
BFP520E6327BTSA1
Current Part
2SC4915-Y,LF
Toshiba Semiconductor and StorageIn Stock: 8522SC4915-Y,LF Datasheet
2SC4915-Y,LF
MFR Recommended

Key Parameters

Parameter Value Unit
Transistor Type NPN
Voltage - Collector Emitter Breakdown (Max) 3.5 V
Frequency - Transition 45 GHz
Noise Figure (Typ @ 1.8GHz) 0.95 dB
Gain 24 dB
Power - Max 100 mW
DC Current Gain (hFE Min @ 20mA, 2V) 70
Current - Collector (Ic Max) 40 mA
Operating Temperature (TJ) 150 °C
Mounting Type Surface Mount
Package / Case SC-82A, SOT-343
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the BFP520E6327BTSA1 is determined by strict alignment of electrical and mechanical parameters within the RF transistor category. The primary substitute identified is the 2SC4915-Y,LF manufactured by Toshiba Semiconductor and Storage.

Substitution logic is based on the following critical parameters:

Electrical Compatibility Criteria:

  • Transistor type must be NPN
  • Collector-emitter breakdown voltage must meet or exceed the application requirement (3.5V minimum)
  • Frequency capability must support the intended operating frequency range
  • Power dissipation rating must be sufficient (100mW minimum)
  • DC current gain characteristics must be compatible with circuit design

Mechanical Compatibility Criteria:

  • Surface mount packaging configuration
  • Pin configuration compatibility with SOT-343 footprint
  • Moisture sensitivity level classification

The 2SC4915-Y,LF meets these criteria as an NPN surface mount RF transistor with equivalent power rating and compatible electrical characteristics for RF applications, despite operating at lower frequency ranges (550MHz versus 45GHz).

Parameter Comparison

Parameter BFP520E6327BTSA1 (Main) 2SC4915-Y,LF (Substitute) Unit
Manufacturer Infineon Technologies Toshiba Semiconductor and Storage
Transistor Type NPN NPN
Product Status Obsolete Active
Voltage - Collector Emitter Breakdown (Max) 3.5 30 V
Frequency - Transition 45 0.55 GHz
Power - Max 100 100 mW
Current - Collector (Ic Max) 40 20 mA
Operating Temperature (TJ) 150 125 °C
Mounting Type Surface Mount Surface Mount
Package / Case SC-82A, SOT-343 SC-75, SOT-416
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

Product Status Consideration: The BFP520E6327BTSA1 is classified as obsolete. The 2SC4915-Y,LF is classified as active, indicating ongoing manufacturer support, availability, and continued production.

Compliance and Certification: The BFP520E6327BTSA1 is REACH Unaffected. The 2SC4915-Y,LF is RoHS Compliant, indicating adherence to current environmental and hazardous substance restrictions applicable to electronic components in regulated markets.

Application-Specific Considerations: Selection between the main part and substitute must account for frequency requirements. The BFP520E6327BTSA1 operates at 45GHz, while the 2SC4915-Y,LF operates at 550MHz. Application circuits designed for the 45GHz frequency range require the higher-frequency capability of the BFP520E6327BTSA1. Applications operating at lower frequencies (below 550MHz) may utilize the 2SC4915-Y,LF as a functional substitute.

Package footprint differences exist between SC-82A/SOT-343 and SC-75/SOT-416. PCB layout modifications may be required for physical substitution.

Frequently Asked Questions (FAQ)

Q: Can the 2SC4915-Y,LF directly replace the BFP520E6327BTSA1 in all applications?

A: Direct replacement depends on application frequency requirements. The 2SC4915-Y,LF operates at 550MHz maximum, while the BFP520E6327BTSA1 operates at 45GHz. Applications requiring 45GHz operation cannot use the 2SC4915-Y,LF. Applications operating below 550MHz may use the 2SC4915-Y,LF as a substitute, subject to circuit redesign for package footprint differences.

Q: What are the package compatibility considerations?

A: The BFP520E6327BTSA1 uses SC-82A/SOT-343 packaging, while the 2SC4915-Y,LF uses SC-75/SOT-416 packaging. These packages have different physical dimensions and pin configurations. PCB layout modifications are required for physical substitution.

Q: Why is the BFP520E6327BTSA1 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The 2SC4915-Y,LF, classified as active, represents an available alternative from an active manufacturer.

Q: Are there compliance differences between these parts?

A: The BFP520E6327BTSA1 is REACH Unaffected. The 2SC4915-Y,LF is RoHS Compliant. RoHS compliance indicates the substitute meets current environmental regulations for hazardous substance restrictions.

Q: What is the moisture sensitivity level for both parts?

A: Both the BFP520E6327BTSA1 and 2SC4915-Y,LF are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: How do the electrical characteristics compare?

A: Both are NPN RF transistors with 100mW power ratings. The BFP520E6327BTSA1 has lower breakdown voltage (3.5V) and higher frequency capability (45GHz). The 2SC4915-Y,LF has higher breakdown voltage (30V) and lower frequency capability (550MHz). Selection depends on specific circuit voltage and frequency requirements.

Request Quote (Ships tomorrow)