BFG93A/X,215 Equivalent & Substitute Parts

Part Overview

The BFG93A/X,215 is an RF transistor NPN type manufactured by NXP USA Inc., designed for RF applications operating at 6GHz with a maximum power dissipation of 300mW in a surface mount SOT-143B package. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional compatibility within RF circuit designs. The substitute parts listed are active Infineon Technologies RF transistors that provide enhanced performance characteristics while maintaining the same package form factor and electrical interface requirements.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	-
Voltage - Collector Emitter Breakdown (Max)	12	V
Frequency - Transition	6	GHz
Power - Max	300	mW
Current - Collector (Ic) (Max)	35	mA
DC Current Gain (hFE) (Min)	40	@ 30mA, 5V
Mounting Type	Surface Mount	-
Package / Case	TO-253-4, TO-253AA	-
Operating Temperature (Max)	175	°C
Product Status	Obsolete	-

Substitute Part Grouping Explanation

Substitution of the BFG93A/X,215 is determined by the following critical parameters that must be maintained or exceeded:

Mandatory Compatibility Parameters:

Transistor Type: NPN (all substitutes maintain this requirement)
Voltage - Collector Emitter Breakdown (Max): 12V (all substitutes rated at 12V)
Package / Case: TO-253-4, TO-253AA (all substitutes use PG-SOT-143-3D, electrically equivalent)
Mounting Type: Surface Mount (all substitutes are surface mount)

Performance Enhancement Parameters:

Frequency - Transition: Substitutes operate at 7.5GHz to 8GHz, exceeding the 6GHz specification
Power - Max: Substitutes range from 175mW to 700mW, with most exceeding the 300mW baseline
Current - Collector (Ic) (Max): Substitutes range from 20mA to 150mA, accommodating various current requirements

Compliance Parameters:

RoHS Status: All parts ROHS3 Compliant
REACH Status: All parts REACH Unaffected
Moisture Sensitivity Level (MSL): All parts rated MSL 1 (Unlimited)

The four Infineon Technologies substitutes (BFP181E7764HTSA1, BFP183E7764HTSA1, BFP193E6327HTSA1, BFP196E6327HTSA1) are all active products with enhanced RF performance characteristics suitable for direct replacement in applications requiring the BFG93A/X,215.

Parameter Comparison

Parameter	BFG93A/X,215	BFP181E7764HTSA1	BFP183E7764HTSA1	BFP193E6327HTSA1	BFP196E6327HTSA1
Manufacturer	NXP USA Inc.	Infineon Technologies	Infineon Technologies	Infineon Technologies	Infineon Technologies
Transistor Type	NPN	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	12V	12V	12V	12V	12V
Frequency - Transition	6GHz	8GHz	8GHz	8GHz	7.5GHz
Noise Figure (dB Typ @ f)	1.7dB ~ 2.3dB @ 1GHz ~ 2GHz	0.9dB ~ 1.2dB @ 900MHz ~ 1.8GHz	0.9dB ~ 1.4dB @ 900MHz ~ 1.8GHz	1dB ~ 1.6dB @ 900MHz ~ 1.8GHz	1.3dB ~ 2.3dB @ 900MHz ~ 1.8GHz
Power - Max	300mW	175mW	250mW	580mW	700mW
DC Current Gain (hFE) (Min)	40 @ 30mA, 5V	70 @ 70mA, 8V	70 @ 15mA, 8V	70 @ 30mA, 8V	70 @ 50mA, 8V
Current - Collector (Ic) (Max)	35mA	20mA	65mA	80mA	150mA
Operating Temperature (Max)	175°C	150°C	150°C	150°C	150°C
Package / Case	TO-253-4, TO-253AA	TO-253-4, TO-253AA	TO-253-4, TO-253AA	TO-253-4, TO-253AA	TO-253-4, TO-253AA
Supplier Device Package	SOT-143B	PG-SOT-143-3D	PG-SOT-143-3D	PG-SOT-143-3D	PG-SOT-143-3D
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

BFP181E7764HTSA1 is suitable for applications requiring the lowest noise figure (0.9dB ~ 1.2dB) and highest gain (17.5dB ~ 21dB) with reduced collector current requirements (20mA maximum). This part is appropriate for low-noise RF amplifier stages where power dissipation is limited to 175mW.

BFP183E7764HTSA1 provides a balanced alternative with moderate power dissipation (250mW) and higher collector current capability (65mA maximum) while maintaining low noise characteristics (0.9dB ~ 1.4dB). This part accommodates applications requiring increased current handling within the 250mW power envelope.

BFP193E6327HTSA1 offers the highest power dissipation capability (580mW) and maximum collector current (80mA) with moderate noise performance (1dB ~ 1.6dB). This part is selected for applications requiring substantial power handling and current delivery within RF circuits.

BFP196E6327HTSA1 provides the maximum power dissipation (700mW) and collector current (150mA) with the lowest transition frequency among substitutes (7.5GHz). This part is appropriate for high-power RF applications where current and power requirements exceed 300mW.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating, ensuring compatibility with modern manufacturing and environmental requirements. The transition from the obsolete BFG93A/X,215 to any of these active Infineon alternatives preserves electrical interface compatibility while providing enhanced RF performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can BFP181E7764HTSA1, BFP183E7764HTSA1, BFP193E6327HTSA1, or BFP196E6327HTSA1 be used as direct replacements for BFG93A/X,215?

A: All four Infineon substitutes are electrically compatible with the BFG93A/X,215 in terms of package form factor (TO-253-4, TO-253AA), transistor type (NPN), and voltage rating (12V). The PG-SOT-143-3D package used by Infineon parts is functionally equivalent to the SOT-143B package of the original part. Selection among the four substitutes depends on specific application requirements for power dissipation, collector current, and noise performance.

Q: What are the key differences between the four substitute parts?

A: The primary differences are collector current rating, power dissipation, and transition frequency. BFP181E7764HTSA1 is optimized for low-noise, low-current applications (20mA, 175mW). BFP183E7764HTSA1 provides moderate current capability (65mA, 250mW). BFP193E6327HTSA1 offers high power dissipation (580mW, 80mA). BFP196E6327HTSA1 provides maximum power and current ratings (700mW, 150mA) with 7.5GHz transition frequency.

Q: Are there any temperature operating range considerations when substituting?

A: The BFG93A/X,215 operates to 175°C maximum junction temperature, while all Infineon substitutes operate to 150°C maximum. Applications requiring operation above 150°C junction temperature cannot use these substitutes without thermal management modifications.

Q: Do all substitute parts have the same packaging format?

A: All substitute parts use the PG-SOT-143-3D package, which is electrically and mechanically equivalent to the SOT-143B package of the original BFG93A/X,215. Both package designations reference the same TO-253-4 and TO-253AA case styles, ensuring PCB layout compatibility.

Q: What is the significance of the different packaging options (Tape & Reel vs. Cut Tape)?

A: Packaging format (Tape & Reel or Cut Tape & Digi-Reel) affects supply and handling methods but does not impact electrical performance or PCB compatibility. BFP181E7764HTSA1 and BFP196E6327HTSA1 are supplied in Tape & Reel format, while BFP193E6327HTSA1 is supplied in Cut Tape & Digi-Reel format. Selection depends on manufacturing volume and assembly equipment requirements.

Q: Are all substitute parts RoHS and REACH compliant?

A: All four substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the original BFG93A/X,215. This ensures compatibility with modern manufacturing standards and environmental regulations.

Q: Which substitute part should be selected for a direct replacement in an existing design?

A: Selection depends on the original circuit's power dissipation and collector current requirements. If the original design operated the BFG93A/X,215 at or near 35mA collector current and 300mW power dissipation, BFP193E6327HTSA1 (80mA, 580mW) or BFP196E6327HTSA1 (150mA, 700mW) provide adequate margin. For lower-power applications, BFP183E7764HTSA1 (65mA, 250mW) is appropriate. For noise-critical applications, BFP181E7764HTSA1 offers superior noise performance.

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