Equivalent & Substitute Parts for 2SCR554PFRAT100 (Rohm Semiconductor)

Part Overview

The Rohm Semiconductor 2SCR554PFRAT100 is a Bipolar (BJT) Transistor, NPN type, suitable for surface mount applications in automotive-grade environments, compliant with AEC-Q101. The device offers a collector-emitter breakdown voltage of 80 V, collector current up to 1.5 A, 300 MHz transition frequency, and maximum power dissipation of 500 mW. When the required part is unavailable or when optimizing supply chain resilience, it is necessary to identify equivalent or substitute models based strictly on electrical, mechanical, compliance, and qualification parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	2SCR554PFRAT100
Manufacturer	Rohm Semiconductor
Category	Transistors, Bipolar (BJT)
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	80 V
Current - Collector (Ic) (Max)	1.5 A
Power - Max	500 mW
Frequency - Transition	300 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 100mA, 3V
Vce Saturation (Max) @ Ib, Ic	350mV @ 25mA, 500mA
Operating Temperature	150°C (TJ)
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	TO-243AA
Supplier Device Package	MPT3
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99

Substitute Part Grouping Explanation

Substitute parts are grouped strictly by matching the following parameters: transistor type (NPN), collector-emitter breakdown voltage (80 V), collector current (1.5 A), power dissipation (500 mW), transition frequency (300 MHz), DC current gain (minimum 120 @ specified test conditions), qualification (AEC-Q101), grade (Automotive), mounting type (Surface Mount), package/case, RoHS compliance, MSL, and REACH status. Substitution is based only on these parameters with no deviation.

Parameter Comparison

Parameter	2SCR554PFRAT100	2SCR554P5T100	2SCR554PHZGT100
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor
Transistor Type	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	80 V	80 V	80 V
Current - Collector (Ic) (Max)	1.5 A	1.5 A	1.5 A
Power - Max	500 mW	500 mW	500 mW
Frequency - Transition	300 MHz	300 MHz	300 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 100mA, 3V	120 @ 100mA, 3V	120 @ 100mA, 3V
Vce Saturation (Max) @ Ib, Ic	350mV @ 25mA, 500mA	300mV @ 25mA, 500mA	300mV @ 25mA, 500mA
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)
Grade	Automotive		Automotive
Qualification	AEC-Q101		AEC-Q101
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-243AA	TO-243AA	TO-243AA
Supplier Device Package	MPT3	MPT3	SOT-89
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99

Engineering Selection Recommendations

Selection of substitute parts is governed by the availability, product status (Active), RoHS3 compliance, MSL rating, REACH status, and presence of automotive-grade qualification (AEC-Q101). Each substitute listed maintains the required certifications and product status as defined.

Frequently Asked Questions (FAQ)

Q1: What criteria must be met for a substitute to be equivalent to 2SCR554PFRAT100?
A1: The substitute part must match transistor type, collector-emitter breakdown voltage, collector current, power dissipation, transition frequency, DC current gain, mounting type, package/case, compliance status (RoHS, REACH), and automotive qualification when specified.

Q2: Are all listed substitute parts AEC-Q101 automotive qualified?
A2: 2SCR554PHZGT100 and 2SCR554PFRAT100 are AEC-Q101 automotive-qualified. 2SCR554P5T100 does not specify automotive grade or qualification.

Q3: How does package and mounting type influence equivalency?
A3: Substitute parts must retain the same mounting type (surface mount) and a compatible package (TO-243AA or SOT-89 as specified) to maintain form factor and assembly compatibility.

Q4: Is RoHS3 compliance mandatory for substitution?
A4: All substitute parts listed are RoHS3 compliant, as indicated in the provided parameters.

Q5: Are there differences in Vce saturation among substitutes?
A5: 2SCR554PFRAT100 specifies a maximum Vce saturation of 350mV @ 25mA, 500mA, while substitute parts indicate 300mV @ 25mA, 500mA. This value is as provided and falls within acceptable substitution parameters if exact criteria are met.

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