MMS9014-L-TP Equivalent & Substitute Parts

Part Overview

The MMS9014-L-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for general-purpose switching and amplification applications. This surface mount device operates at 45V collector-emitter breakdown voltage with a maximum collector current of 100 mA and transition frequency of 150 MHz. The part is currently active in production and widely available in inventory.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit operation with alternative electrical or mechanical specifications. The parts listed below provide functional equivalence or enhanced performance characteristics within the same package family.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	100	mA
Vce Saturation (Max) @ Ib, Ic	300 mV @ 5 mA, 100 mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 1 mA, 5V	—
Power - Max	200	mW
Frequency - Transition	150	MHz
Operating Temperature	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the MMS9014-L-TP is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 45V or greater
Current - Collector (Ic) (Max): 100 mA or greater
Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, or SOT-23-3 family

Secondary Compatibility Criteria:

Power dissipation capability: 200 mW or greater
Operating temperature range: Must encompass -55°C to 150°C or be suitable for the application's thermal requirements
RoHS3 compliance for regulatory alignment

Parts are grouped into two categories:

Upgrade Substitutes: Parts with enhanced electrical performance (higher voltage rating, increased power dissipation, or improved frequency response) that maintain full backward compatibility.

Similar Substitutes: Parts with equivalent or comparable electrical specifications that operate within the same parameter envelope, differing primarily in secondary characteristics such as saturation voltage, current gain, or frequency response.

Parameter Comparison

Parameter	MMS9014-L-TP	NSVMSD601-RT1G	BC847BWH6433XTMA1	BC847C,215	BCV72,215	BCW72LT1G	BCX70K,215	FMMT413TD
Manufacturer	Micro Commercial Co	onsemi	Infineon Technologies	Nexperia USA Inc.	Nexperia USA Inc.	onsemi	Nexperia USA Inc.	Diodes Incorporated
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN - Avalanche Mode
Voltage - Collector Emitter Breakdown (Max)	45 V	50 V	45 V	45 V	60 V	45 V	45 V	50 V
Current - Collector (Ic) (Max)	100 mA	—	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA
Vce Saturation (Max) @ Ib, Ic	300 mV @ 5 mA, 100 mA	—	600 mV @ 5 mA, 100 mA	400 mV @ 5 mA, 100 mA	210 mV @ 2.5 mA, 50 mA	250 mV @ 500 µA, 10 mA	550 mV @ 1.25 mA, 50 mA	150 mV @ 1 mA, 10 mA
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 1 mA, 5V	—	200 @ 2 mA, 5V	420 @ 2 mA, 5V	200 @ 2 mA, 5V	200 @ 2 mA, 5V	380 @ 2 mA, 5V	50 @ 10 mA, 10V
Power - Max	200 mW	—	250 mW	250 mW	250 mW	300 mW	250 mW	330 mW
Frequency - Transition	150 MHz	—	250 MHz	100 MHz	100 MHz	300 MHz	250 MHz	150 MHz
Operating Temperature	-55 to 150 °C	—	150 °C	150 °C	150 °C	-55 to 150 °C	150 °C	-55 to 150 °C
Package / Case	TO-236-3, SC-59, SOT-23-3	SC-59-3	SC-70, SOT-323	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
Product Status	Active	Active	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

NSVMSD601-RT1G (onsemi) - Upgrade Substitute

This part provides a voltage rating upgrade to 50V while maintaining the SOT-23 package family. The NSVMSD601-RT1G is actively produced and carries ROHS3 compliance. Selection of this part is appropriate when supply of the MMS9014-L-TP is constrained and the application permits operation at the higher voltage rating.

BC847C,215 (Nexperia USA Inc.) - Similar Substitute

The BC847C,215 operates at the same 45V rating with identical 100 mA collector current. This part features higher DC current gain (420 vs. 200) and is available in high inventory quantities. It carries automotive-grade qualification (AEC-Q101) and is actively produced. The TO-236AB package is mechanically and electrically compatible with the MMS9014-L-TP SOT-23 package.

BCV72,215 (Nexperia USA Inc.) - Similar Substitute

The BCV72,215 provides a voltage rating upgrade to 60V with the same 100 mA collector current and SOT-23 package. This part features lower saturation voltage (210 mV) and carries automotive qualification (AEC-Q101). Selection is appropriate for applications requiring higher voltage headroom.

BCW72LT1G (onsemi) - Similar Substitute

The BCW72LT1G maintains the 45V rating and 100 mA collector current with enhanced power dissipation (300 mW vs. 200 mW) and higher transition frequency (300 MHz vs. 150 MHz). Operating temperature range matches the MMS9014-L-TP (-55°C to 150°C). This part is actively produced with high inventory availability.

BCX70K,215 (Nexperia USA Inc.) - Similar Substitute

The BCX70K,215 operates at 45V with 100 mA collector current and features higher transition frequency (250 MHz) and higher DC current gain (380 vs. 200). This part carries automotive qualification (AEC-Q101) and is actively produced.

FMMT413TD (Diodes Incorporated) - Similar Substitute

The FMMT413TD is an avalanche-mode NPN transistor rated at 50V with 100 mA collector current. This part features the lowest saturation voltage (150 mV) and highest power dissipation (330 mW). Operating temperature range matches the MMS9014-L-TP. Selection is appropriate for applications requiring avalanche protection or low saturation voltage characteristics.

BC847BWH6433XTMA1 (Infineon Technologies) - Not Recommended

This part is marked as obsolete and should not be selected for new designs or production applications. Although electrical parameters are compatible, the obsolete status creates supply and long-term availability risk.

Frequently Asked Questions (FAQ)

Q: Can I use BC847C,215 as a direct replacement for MMS9014-L-TP?

A: Yes. Both parts are NPN transistors with 45V collector-emitter breakdown voltage, 100 mA maximum collector current, and compatible SOT-23 packages. The BC847C,215 features higher DC current gain (420 vs. 200) and is actively produced with high inventory availability.

Q: What is the difference between the MMS9014-L-TP and BCW72LT1G?

A: Both parts operate at 45V with 100 mA collector current and -55°C to 150°C temperature range. The BCW72LT1G provides higher power dissipation (300 mW vs. 200 mW) and higher transition frequency (300 MHz vs. 150 MHz). The BCW72LT1G is suitable when enhanced frequency response or thermal performance is required.

Q: Why is BC847BWH6433XTMA1 listed but not recommended?

A: The BC847BWH6433XTMA1 is marked as obsolete. Although its electrical specifications are compatible with the MMS9014-L-TP, obsolete parts present supply chain risk and should not be selected for new designs.

Q: Can I use BCV72,215 in place of MMS9014-L-TP?

A: Yes. The BCV72,215 is a compatible substitute with a higher voltage rating (60V vs. 45V), identical collector current (100 mA), and the same SOT-23 package. The higher voltage rating provides additional design margin and is suitable for applications where the MMS9014-L-TP is supply-constrained.

Q: What does "avalanche mode" mean for the FMMT413TD?

A: Avalanche mode refers to a transistor designed to operate safely in avalanche breakdown conditions. The FMMT413TD features avalanche protection, making it suitable for applications requiring transient overvoltage protection or where avalanche breakdown may occur during normal operation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status, matching the regulatory compliance of the MMS9014-L-TP.

Q: Which substitute part has the lowest saturation voltage?

A: The FMMT413TD features the lowest saturation voltage at 150 mV (measured at 1 mA base current and 10 mA collector current). This characteristic is beneficial for applications requiring minimal voltage drop across the transistor in saturation.

Q: Can I use NSVMSD601-RT1G if my circuit is designed for 45V operation?

A: Yes. The NSVMSD601-RT1G is rated at 50V, which is higher than the 45V requirement. A higher voltage rating does not prevent operation at lower voltages. The NSVMSD601-RT1G provides additional voltage margin and is suitable for 45V applications.

Q: What is the difference between SOT-23 and SC-59 packages?

A: SOT-23 and SC-59 are equivalent designations for the same three-terminal surface mount package. Both terms refer to the same physical package used by the MMS9014-L-TP and most substitute parts listed.

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