Equivalent & Substitute Parts Reference for 2SCR552PFRAT100

Part Overview

Rohm Semiconductor 2SCR552PFRAT100 is an NPN bipolar junction transistor (BJT) specified for 30 V, 3 A, and 280 MHz transition frequency in surface mount TO-243AA (MPT3) packaging. It is rated at 500 mW maximum power and qualified to AEC-Q101 automotive standards. The part is actively stocked, with 1778 units available. Identifying substitute transistors is necessary for ensuring supply continuity, supporting design flexibility across packaging formats, and maintaining compliance with automotive and environmental regulations.

Key Parameters

Parameter	Value
Manufacturer Part Number	2SCR552PFRAT100
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	30 V
Current - Collector (Ic) (Max)	3 A
Power - Max	500 mW
Frequency - Transition	280 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 500mA, 2V
Vce Saturation (Max) @ Ib, Ic	400mV @ 50mA, 1A
Current - Collector Cutoff (Max)	1µA (ICBO)
Operating Temperature	150°C (TJ)
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	TO-243AA
Supplier Device Package	MPT3
RoHS Status	ROHS3 Compliant
Product Status	Active
Automotive Grade	Yes (AEC-Q101)

Substitute Part Grouping Explanation

Substitute and equivalent parts for 2SCR552PFRAT100 are identified by strict match or compatibility on the primary electrical parameters: transistor type (NPN), maximum collector current (Ic), collector-emitter breakdown voltage (Vce), power dissipation, DC current gain (hFE), transition frequency, and cutoff current. Mechanical compatibility is ensured by surface-mount format and case/package type. Additional criteria include RoHS3 compliance and AEC-Q101 qualification for automotive grade. All substitute parts listed match or provide additional performance on at least one primary parameter, within the original product category (Transistors, Bipolar (BJT)).

Parameter Comparison

Parameter	2SCR552PFRAT100	2SCR552P5T100	2SCR552PHZGT100	FCX1051ATA
Transistor Type	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	30 V	30 V	30 V	40 V
Current - Collector (Ic) (Max)	3 A	3 A	3 A	3 A
Power - Max	500 mW	500 mW	500 mW	1 W
Frequency - Transition	280 MHz	280 MHz	280 MHz	155 MHz
DC Current Gain (hFE) (Min)	200 @ 500mA, 2V	200 @ 500mA, 2V	200 @ 500mA, 2V	290 @ 10mA, 2V
Vce Saturation (Max)	400mV @ 50mA, 1A	400mV @ 50mA, 1A	400mV @ 50mA, 1A	340mV @ 100mA, 5A
Current - Collector Cutoff (Max)	1µA	1µA	1µA	10nA
Operating Temperature (TJ)	150°C	150°C	150°C	-55°C ~ 150°C
Qualification	AEC-Q101	AEC-Q101	AEC-Q101	None Listed
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-243AA	TO-243AA	TO-243AA	TO-243AA
Supplier Device Package	MPT3	MPT3	SOT-89	SOT-89-3
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed (2SCR552P5T100, 2SCR552PHZGT100, FCX1051ATA) have an active product status and are compliant with RoHS3 directives. 2SCR552P5T100 and 2SCR552PHZGT100 are also AEC-Q101 qualified for automotive use, matching the original part's grade and qualification. FCX1051ATA does not specify automotive qualification but maintains environmental compliance. Selection within these alternatives supports equivalent electrical capability, regulatory compliance, and surface-mount assembly compatibility according to the provided parameters.

Frequently Asked Questions (FAQ)

Q1: What electrical criteria define a valid substitute for 2SCR552PFRAT100?
A: Substitutes require matching transistor type (NPN), collector current (3 A), collector-emitter breakdown voltage (≥30 V), DC current gain, transition frequency, and cutoff current.

Q2: Are the substitute transistors suitable for automotive applications?
A: 2SCR552P5T100 and 2SCR552PHZGT100 are AEC-Q101 qualified and match the original automotive grade specification.

Q3: Is package compatibility guaranteed between substitutes?
A: All listed substitutes use surface-mount formats with TO-243AA case compatibility. Supplier device package differences (MPT3, SOT-89, SOT-89-3) should be verified for footprint alignment with specific PCB layouts.

Q4: Do substitutes maintain environmental compliance?
A: All alternatives are RoHS3 compliant as required. REACH unaffected status is common to each.

Q5: How does frequency and gain vary among substitutes?
A: 2SCR552PFRAT100, 2SCR552P5T100, and 2SCR552PHZGT100 match at 280MHz transition frequency and 200 minimum DC current gain, while FCX1051ATA provides 155MHz and higher minimum gain.

Q6: What if higher power handling is needed?
A: FCX1051ATA offers up to 1 W max power, exceeding the original's 500 mW rating within the provided substitute list.

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