Equivalent & Substitute Parts for 2SD1664-R-TP

Part Overview

The 2SD1664-R-TP from Micro Commercial Co is an active NPN bipolar junction transistor (BJT) designed for interface applications. It features a 32 V collector-emitter breakdown voltage, 1 A maximum collector current, 150 MHz transition frequency, and 500 mW power dissipation, supplied in a surface mount SOT-89 (TO-243AA) package. In engineering applications, it is necessary to identify alternative models when supply chain conditions, compliance requirements, or specific inventory shortages require compatible replacement parts with similar electrical and mechanical characteristics.

Key Parameters

Parameter	2SD1664-R-TP
Transistor Type	NPN
Current - Collector (Ic) (Max)	1 A
Voltage - Collector Emitter Breakdown (Max)	32 V
Vce Saturation (Max) @ Ib, Ic	400mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	500nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	180 @ 100mA, 3V
Power - Max	500 mW
Frequency - Transition	150MHz
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-243AA
Supplier Device Package	SOT-89
Part Status	Active
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.21.0075

Substitute Part Grouping Explanation

Substitute part selection in the transistors, bipolar (BJT) category is based strictly on key allowed electrical and mechanical parameters: transistor type, maximum collector current (Ic), collector-emitter breakdown voltage (Vce), saturation voltage (Vce(sat)), collector cutoff current (ICBO), minimum DC current gain (hFE), power dissipation, transition frequency, operating temperature range, mounting type, and mechanical package compatibility. Substitute parts listed match the above criteria as specified.

Parameter Comparison

Parameter	2SD1664-R-TP (Micro Commercial Co)	2SCR293P5T100 (Rohm Semiconductor)
Transistor Type	NPN	NPN
Current - Collector (Ic) (Max)	1 A	1 A
Voltage - Collector Emitter Breakdown (Max)	32 V	30 V
Vce Saturation (Max) @ Ib, Ic	400mV @ 50mA, 500mA	350mV @ 25mA, 500mA
Current - Collector Cutoff (Max)	500nA (ICBO)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	180 @ 100mA, 3V	270 @ 100mA, 2V
Power - Max	500 mW	500 mW
Frequency - Transition	150MHz	320MHz
Operating Temperature	-55°C ~ 150°C (TJ)	150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-243AA	TO-243AA
Supplier Device Package	SOT-89	MPT3

Engineering Selection Recommendations

Both 2SD1664-R-TP and 2SCR293P5T100 are active status products and are unrestricted under ECCN EAR99 and unaffected under REACH. The substitute part, 2SCR293P5T100, is also ROHS3 compliant and has unlimited moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q1: What are the key criteria for substituting an NPN BJT like 2SD1664-R-TP?
A1: Substitution is based on device type (NPN), maximum collector current, collector-emitter voltage rating, power dissipation, minimum current gain, transition frequency, and identical packaging.

Q2: Are the SOT-89 and MPT3 packages mechanically compatible?
A2: Both SOT-89 and MPT3 refer to the TO-243AA case outline, ensuring compatibility in surface-mount applications.

Q3: Does the substitute part meet regulatory compliance?
A3: The substitute 2SCR293P5T100 is ROHS3 compliant and REACH unaffected, matching or exceeding the compliance of the 2SD1664-R-TP.

Q4: Can the substitute be used in the same operating temperature conditions?
A4: 2SCR293P5T100 has an operating temperature of 150°C (TJ), aligning with the maximum temperature of 2SD1664-R-TP specified at -55°C ~ 150°C (TJ).

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