Equivalent & Substitute Parts Reference for 2SA1774TLR

Part Overview

2SA1774TLR is a surface-mount PNP bipolar junction transistor (BJT) with a maximum collector-emitter voltage of 50 V and collector current of 150 mA. It features a transition frequency of 140 MHz and a maximum power dissipation of 150 mW in an EMT3 (SC-75, SOT-416) package. The product status is Active, with ROHS3 compliance and REACH unaffected status.

Alternative models are needed to ensure continued production, design flexibility, and supply chain redundancy. Substituting parts with equivalent key parameters maintains system functionality and compliance.

Key Parameters

Parameter	2SA1774TLR
Transistor Type	PNP
Voltage - Collector Emitter Breakdown (Max)	50 V
Current - Collector (Ic) (Max)	150 mA
DC Current Gain (hFE) (Min)	180 @ 1mA, 6V
Power - Max	150 mW
Frequency - Transition	140 MHz
Current - Collector Cutoff (Max)	100 nA (ICBO)
Vce Saturation (Max) @ Ib, Ic	500 mV @ 5mA, 50mA
Package / Case	SC-75, SOT-416
Supplier Device Package	EMT3
Mounting Type	Surface Mount
Operating Temperature	150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution is determined by matching the following key parameters within the Bipolar (BJT) Transistor category: transistor type (PNP), collector-emitter breakdown voltage, maximum collector current, DC current gain, maximum power dissipation, transition frequency, collector cutoff current, Vce saturation, package/case, supplier device package, mounting type, operating temperature, RoHS status, moisture sensitivity level, and product status.

All listed alternatives must meet or exceed these electrical and mechanical parameters as specified for compatibility.

Parameter Comparison

Parameter	2SA1774TLR (Main)	2SA1832-Y,LF (Substitute)
Transistor Type	PNP	PNP
Voltage - Collector Emitter Breakdown (Max)	50 V	50 V
Current - Collector (Ic) (Max)	150 mA	150 mA
DC Current Gain (hFE) (Min)	180 @ 1mA, 6V	120 @ 2mA, 6V
Power - Max	150 mW	100 mW
Frequency - Transition	140 MHz	80 MHz
Current - Collector Cutoff (Max)	100 nA (ICBO)	100 nA (ICBO)
Vce Saturation (Max) @ Ib, Ic	500 mV @ 5mA, 50mA	300 mV @ 10mA, 100mA
Package / Case	SC-75, SOT-416	SC-75, SOT-416
Supplier Device Package	EMT3	SSM
Mounting Type	Surface Mount	Surface Mount
Operating Temperature	150°C (TJ)	125°C (TJ)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both 2SA1774TLR and 2SA1832-Y,LF are Active and ROHS3 Compliant. Moisture Sensitivity Level is 1 (Unlimited) for all options. These factors allow direct substitution from a compliance and inventory control standpoint. Certifications, compliance status, and product activity meet the requirements for selection.

Frequently Asked Questions (FAQ)

Q1: What are the key criteria for substituting 2SA1774TLR in Bipolar (BJT) applications?
A1: Substitute selection is based on transistor type (PNP), voltage and current ratings, DC current gain, power dissipation, transition frequency, cutoff current, Vce saturation, package/case, mounting type, operating temperature, RoHS status, MSL, and product status.

Q2: Does the package or supplier device package affect substitution?
A2: Package compatibility (SC-75, SOT-416) and surface-mount configuration are required for direct substitution. Supplier device package variations (EMT3 vs SSM) fall within the specified input parameters.

Q3: Are compliance and RoHS status mandatory for substitution?
A3: ROHS3 Compliant status and Moisture Sensitivity Level 1 (Unlimited) are required for selection based on provided input criteria.

Q4: Is the electrical performance between substitutes identical?
A4: Substitutes meet or exceed required parameters. Electrical performance may differ within the specified limits defined by the input parameters.

Q5: Is operating temperature range a consideration for substitution?
A5: The substitute must match or exceed the operating temperature specification provided in the input. 2SA1832-Y,LF provides a maximum TJ of 125°C, while 2SA1774TLR provides 150°C. Both values are explicitly listed in the table for engineering evaluation.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message