Equivalent & Substitute Parts Reference: DTC124ECAT116

Part Overview

The DTC124ECAT116 from Rohm Semiconductor is an active, pre-biased NPN bipolar junction transistor (BJT), designed for surface mount applications in the "Transistors, Bipolar (BJT)" product category. It features integrated biasing resistors, 50V maximum Vce, and 100mA collector current rating. Alternatives must be identified for purposes such as inventory availability, supply chain continuity, or multi-vendor qualification, ensuring that substituted products match all specified electrical and mechanical parameters.

Key Parameters

Parameter	DTC124ECAT116
Transistor Type	NPN - Pre-Biased
Voltage - Collector Emitter Breakdown (Max)	50 V
Current - Collector (Ic) (Max)	100 mA
Resistor - Base (R1)	22 kOhms
Resistor - Emitter Base (R2)	22 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce	56 @ 5mA, 5V
Vce Saturation (Max) @ Ib, Ic	300mV @ 500µA, 10mA
Current - Collector Cutoff (Max)	500nA
Frequency - Transition	250 MHz
Power - Max	200 mW
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SST3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Equivalent and substitute components are selected strictly based on matching the specified operational category (Transistors, Bipolar BJT), electrical ratings, bias resistor values, mechanical form factor (package type and mounting method), and compliance certifications. Substitute product numbers provided meet the requirements for NPN type, pre-biased topology, 50V collector-emitter breakdown voltage, 100mA collector current, 22kΩ base and emitter-base resistors, compatible surface mount packaging, and relevant compliance criteria (RoHS, REACH, MSL). Only parts matching these explicit inputs are presented.

Parameter Comparison

Parameter	DTC124ECAT116	MUN2212T1G	NSVMUN2212T1G	PDTC124ET,215	PDTC124ET,235
Manufacturer	Rohm Semiconductor	onsemi	onsemi	Nexperia USA Inc.	NXP USA Inc.
Transistor Type	NPN - Pre-Biased	NPN - Pre-Biased	NPN - Pre-Biased	NPN - Pre-Biased	NPN - Pre-Biased
Voltage - Collector Emitter Breakdown (Max)	50 V	50 V	50 V	50 V	50 V
Current - Collector (Ic) (Max)	100 mA	100 mA	100 mA	100 mA	100 mA
Resistor - Base (R1)	22 kOhms	22 kOhms	22 kOhms	22 kOhms	22 kOhms
Resistor - Emitter Base (R2)	22 kOhms	22 kOhms	22 kOhms	22 kOhms	22 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce	56 @ 5mA, 5V	60 @ 5mA, 10V	60 @ 5mA, 10V	60 @ 5mA, 5V	60 @ 5mA, 5V
Vce Saturation (Max) @ Ib, Ic	300mV @ 500µA, 10mA	250mV @ 300µA, 10mA	250mV @ 300µA, 10mA	150mV @ 500µA, 10mA	150mV @ 500µA, 10mA
Current - Collector Cutoff (Max)	500nA	500nA	500nA	1µA	1µA
Power - Max	200 mW	338 mW	230 mW	250 mW	250 mW
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	-
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	-
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitutes listed (MUN2212T1G, NSVMUN2212T1G, PDTC124ET,215, PDTC124ET,235) have an "Active" product status and conform to RoHS3 and REACH compliance, with MSL ratings provided where available. Selection within these alternatives should be based on matching compliance requirements, supply chain status, and packaging preferences, consistent with the provided technical and regulatory data.

Frequently Asked Questions (FAQ)

Q: What parameters must match for a valid substitute?
A: Substitute selection is determined solely by matching transistor type (NPN - Pre-Biased), collector-emitter breakdown voltage (50 V), collector current (100 mA), base/emitter-base resistor values (22 kOhms each), mounting type (Surface Mount), package/case (TO-236-3, SC-59, SOT-23-3), and compliance certifications.

Q: Are differences in hFE, cutoff current, or power rating within acceptable range?
A: Only provided values are considered for substitution. Parts with the same or higher hFE, similar cutoff current, and compatible power ratings are included per input parameters.

Q: What packaging options are available among substitutes?
A: Packaging offered includes Tape & Reel (TR), Cut Tape (CT), Digi-Reel®, and Bulk, with all substitutes supporting surface mount technology and the same mechanical case styles.

Q: Do all substitutes meet RoHS and REACH compliance?
A: All substitutes in the provided list are RoHS3 compliant and marked as REACH Unaffected where indicated.

Q: Can substitutes be used interchangeably in automated assembly?
A: Substitutes with identical package/case formats and Mounting Type (Surface Mount) can be used in the same automated assembly process, based strictly on the input parameters.

Q: Is product status important for selection?
A: Only substitutes with "Active" status are listed, ensuring ongoing production and standard supply availability.

Q: How is compatibility verified for engineering change?
A: Compatibility is determined by matching all electrical, mechanical, and compliance criteria as stated in the input data with no extrapolation beyond the provided parameters.

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