MMS9013-L-TP Equivalent & Substitute Parts

Part Overview

The MMS9013-L-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for interface applications in surface mount configurations. This transistor operates at a maximum collector current of 500 mA, collector-emitter breakdown voltage of 25 V, and maximum power dissipation of 300 mW. The part is currently active in production with 1090 pieces available in bulk packaging.

Substitute parts are identified when equivalent electrical and mechanical parameters allow direct replacement in circuit applications. Substitution becomes necessary due to inventory availability, supply chain considerations, or specific packaging requirements while maintaining functional compatibility within the defined parameter ranges.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	500	mA
Voltage - Collector Emitter Breakdown (Max)	25	V
Power - Max	300	mW
Frequency - Transition	150	MHz
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—

Substitute Part Grouping Explanation

Substitute parts for the MMS9013-L-TP are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor Type: NPN configuration
Current - Collector (Ic) Max: 500 mA (exact match required)
Voltage - Collector Emitter Breakdown (Max): 25 V or greater
Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, or SOT-23-3 compatible

Secondary Compatibility Parameters:

Power dissipation capability: 200 mW or greater
Operating temperature range: Must encompass or match -55°C to 150°C
Frequency - Transition: 100 MHz or greater

The substitute parts identified (2SD2114KT146V, 2SD2114KT146W, and BC818-40LT1G) meet the primary substitution criteria. Variations in secondary parameters such as DC current gain (hFE), saturation voltage, and transition frequency do not preclude substitution when primary electrical and mechanical requirements are satisfied.

Parameter Comparison

Parameter	MMS9013-L-TP	2SD2114KT146V	2SD2114KT146W	BC818-40LT1G
Manufacturer	Micro Commercial Co	Rohm Semiconductor	Rohm Semiconductor	onsemi
Transistor Type	NPN	NPN	NPN	NPN
Current - Collector (Ic) Max	500 mA	500 mA	500 mA	500 mA
Voltage - Collector Emitter Breakdown (Max)	25 V	20 V	20 V	25 V
Power - Max	300 mW	200 mW	200 mW	225 mW
Frequency - Transition	150 MHz	350 MHz	350 MHz	100 MHz
Operating Temperature Range	-55 to 150°C	150°C (TJ)	150°C (TJ)	-55 to 150°C
Mounting Type	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
Part Status	Active	Active	Active	Active
Inventory Available	1090 Pcs	45200 Pcs	234300 Pcs	305100 Pcs

Engineering Selection Recommendations

BC818-40LT1G (onsemi)

The BC818-40LT1G provides the closest electrical match to the MMS9013-L-TP. Both parts share identical collector-emitter breakdown voltage (25 V), collector current rating (500 mA), and operating temperature range (-55°C to 150°C). The BC818-40LT1G is RoHS3 compliant with MSL 1 (Unlimited) rating, indicating superior moisture handling characteristics. Transition frequency of 100 MHz meets the minimum requirement, though lower than the original part. Power dissipation of 225 mW is within acceptable range for most interface applications. This part is recommended for direct substitution in applications where the original MMS9013-L-TP is unavailable.

2SD2114KT146W (Rohm Semiconductor)

The 2SD2114KT146W offers the highest inventory availability (234300 pieces) among substitute options. This part meets the primary substitution criteria with 500 mA collector current and surface mount SOT-23 packaging. The collector-emitter breakdown voltage is rated at 20 V, which is 5 V lower than the original specification. This part is suitable for applications where the circuit operates below 20 V. The 2SD2114KT146W is RoHS3 compliant with MSL 1 rating. Transition frequency of 350 MHz exceeds the original specification, providing additional performance margin in high-frequency applications.

2SD2114KT146V (Rohm Semiconductor)

The 2SD2114KT146V shares identical electrical specifications with the 2SD2114KT146W, with the exception of DC current gain characteristics. Both parts are RoHS3 compliant with MSL 1 rating. The 2SD2114KT146V is suitable for applications where the circuit operates below 20 V collector-emitter breakdown voltage. Inventory availability is lower (45200 pieces) compared to the 2SD2114KT146W variant.

All substitute parts carry REACH Unaffected and EAR99 ECCN classifications, matching the regulatory status of the original MMS9013-L-TP.

Frequently Asked Questions (FAQ)

Q: Can the 2SD2114KT146V or 2SD2114KT146W be used as direct replacements for the MMS9013-L-TP?

A: These parts meet the primary substitution criteria (NPN type, 500 mA collector current, surface mount SOT-23 packaging). However, the collector-emitter breakdown voltage is rated at 20 V versus 25 V for the original part. Direct substitution is valid only in circuits where the maximum collector-emitter voltage does not exceed 20 V.

Q: What is the difference between the 2SD2114KT146V and 2SD2114KT146W?

A: Both parts are electrically equivalent with identical maximum ratings and operating characteristics. The primary difference is DC current gain (hFE): the 2SD2114KT146V specifies 820 @ 10mA, 3V while the 2SD2114KT146W specifies 1200 @ 10mA, 3V. The 2SD2114KT146W offers higher current gain and greater inventory availability.

Q: Is the BC818-40LT1G a better choice than the Rohm 2SD2114 variants?

A: The BC818-40LT1G provides superior voltage rating compatibility (25 V matches the original MMS9013-L-TP) and identical operating temperature range (-55°C to 150°C). The BC818-40LT1G is recommended when the circuit operates at or near the 25 V collector-emitter breakdown specification. The 2SD2114 variants are suitable for applications with lower voltage requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. The BC818-40LT1G, 2SD2114KT146V, and 2SD2114KT146W are all RoHS3 compliant. The original MMS9013-L-TP does not specify RoHS status but carries REACH Unaffected classification, matching all substitute parts.

Q: What is the significance of MSL 1 (Unlimited) rating on the substitute parts?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. This provides operational flexibility compared to higher MSL ratings that require controlled storage environments.

Q: Can the substitute parts handle the same power dissipation as the MMS9013-L-TP?

A: The MMS9013-L-TP is rated at 300 mW maximum power dissipation. The BC818-40LT1G is rated at 225 mW, and the 2SD2114 variants are rated at 200 mW. In applications approaching the 300 mW limit, thermal management or circuit redesign may be necessary when using substitute parts.

Q: Do all parts use the same package?

A: Yes. All parts (MMS9013-L-TP, BC818-40LT1G, 2SD2114KT146V, and 2SD2114KT146W) use the TO-236-3, SC-59, or SOT-23-3 surface mount package. Physical footprint compatibility is confirmed for PCB layout purposes.

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