MRF1150MB Equivalent & Substitute Transistor Parts Reference

Part Overview

The MRF1150MB from MACOM Technology Solutions is an NPN RF bipolar junction transistor (BJT) designed for RF amplification applications. It supports up to 150W output in the 906MHz–1215MHz range, with a collector-emitter breakdown voltage of 70V and a collector current rating of 12A. This part is active and supplied in the 332A-03 chassis-mount package. The requirement to identify alternative and substitute models arises due to design standardization, supply chain risk mitigation, inventory availability, or obsolescence of similar devices.

Key Parameters

Manufacturer Part Number	Transistor Type	Voltage - Collector Emitter Breakdown (Max)	Frequency - Transition	Gain	Power - Max	DC Current Gain (hFE) (Min) @ Ic, Vce	Current - Collector (Ic) (Max)	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	Part Status
MRF1150MB	NPN	70V	-	9.8dB	150W	10 @ 5A, 5V	12A	Chassis Mount	332A-03	332A-03	ROHS3 Compliant	Active

Substitute Part Grouping Explanation

Substitute parts are determined strictly by evaluating the following technical parameters: transistor type, voltage - collector emitter breakdown (max), power - max, current - collector (Ic) (max), gain, mounting type, package/case, and RoHS compliance. Substitution is limited to parts explicitly listed, or those meeting allowable equivalence within the same product category and packaging constraints. Only parts with comparable or lesser/higher values—where functional replacement is possible—are listed as substitutes.

Key substitution parameters:

Transistor type (NPN)
Voltage - Collector Emitter Breakdown (Max)
Power - Max
Current - Collector (Ic) (Max)
Gain
Mounting Type
Package / Case
RoHS Compliance
Product Status

Parameter Comparison

Manufacturer Part Number	Manufacturer	Transistor Type	Voltage - Collector Emitter Breakdown (Max)	Frequency - Transition	Gain	Power - Max	DC Current Gain (hFE) (Min) @ Ic, Vce	Current - Collector (Ic) (Max)	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	Part Status
MRF1150MB	MACOM Technology Solutions	NPN	70V	-	9.8dB	150W	10 @ 5A, 5V	12A	Chassis Mount	332A-03	332A-03	ROHS3 Compliant	Active
2SC5347AE-TD-E	onsemi	NPN	12V	4.7GHz	8dB	1.3W	90 @ 50mA, 5V	150mA	Surface Mount	TO-243AA	PCP	ROHS3 Compliant	Obsolete
BF888H6327XTSA1	Infineon Technologies	NPN	4V	47GHz	27dB	160mW	250 @ 25A, 3V	30mA	Surface Mount	SC-82A, SOT-343	PG-SOT343-4-2	ROHS3 Compliant	Active
BFP181E7764HTSA1	Infineon Technologies	NPN	12V	8GHz	17.5dB~21dB	175mW	70 @ 70mA, 8V	20mA	Surface Mount	TO-253-4, TO-253AA	PG-SOT-143-3D	ROHS3 Compliant	Active
BFP640ESDH6327XTSA1	Infineon Technologies	NPN	4.7V	46GHz	7dB~30dB	200mW	110 @ 30mA, 3V	50mA	Surface Mount	SC-82A, SOT-343	PG-SOT343-4-2	ROHS3 Compliant	Active
BFP740FESDH6327XTSA1	Infineon Technologies	NPN	4.7V	47GHz	9dB~31dB	160mW	160 @ 25mA, 3V	45mA	Surface Mount	4-SMD, Flat Leads	4-TSFP	ROHS3 Compliant	Active
BFR193L3E6327XTMA1	Infineon Technologies	NPN	12V	8GHz	12.5dB~19dB	580mW	70 @ 30mA, 8V	80mA	Surface Mount	SC-101, SOT-883	PG-TSLP-3-1	ROHS3 Compliant	Active
BFR460L3E6327XTMA1	Infineon Technologies	NPN	5.8V	22GHz	16dB	200mW	90 @ 20mA, 3V	50mA	Surface Mount	SC-101, SOT-883	PG-TSLP-3-1	ROHS3 Compliant	Active
SMMBTH10-4LT3G	onsemi	NPN	25V	800MHz	-	225mW	120 @ 4mA, 10V	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)	ROHS3 Compliant	Active

Engineering Selection Recommendations

All substitute parts listed are RoHS3 compliant and present a similar transistor type (NPN) as the MRF1150MB. Selection must consider product status; only active parts should be chosen for new or ongoing designs. Parts denoted as obsolete should not be selected for new projects. Package type and mounting style must match system-level mechanical constraints and assembly processes.

Frequently Asked Questions (FAQ)

Q1: What technical criteria are used for identifying substitute transistor parts?
A1: Substitutes are strictly selected based on transistor type, voltage rating, power rating, collector current, gain, mounting type, package/case, and RoHS compliance.

Q2: Can surface-mount parts substitute for chassis-mount parts?
A2: Mounting type is a primary equivalence criterion. Only substitute parts matching required mechanical interfaces and package/case constraints can be considered directly equivalent.

Q3: Are all substitute parts operational drop-in replacements?
A3: Substitute status is based on provided parameters only. All other design-specific parameters must be cross-checked per application requirements.

Q4: How does part status affect substitute selection?
A4: Active status is essential for new or ongoing projects. Obsolete parts are included for reference but are not suitable for new designs.

Q5: Are all parts RoHS3 compliant?
A5: All substitutes listed are RoHS3 compliant as explicitly specified in the input data.

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