MMS9013-H-TP Equivalent & Substitute Parts

Part Overview

The MMS9013-H-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 device is packaged in SOT-23 (TO-236-3) format and features a transition frequency of 150 MHz with an operating temperature range of -55°C to 150°C.

The MMS9013-H-TP maintains active product status with substantial inventory availability. Equivalent and substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the NPN bipolar transistor category, enabling direct replacement in applications where the specified parameters are met.

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

Substitution of the MMS9013-H-TP is determined by the following critical parameters:

Electrical Compatibility Requirements:

Transistor Type: NPN (must match)
Current - Collector (Ic) Max: 500 mA (substitute must equal or exceed)
Voltage - Collector Emitter Breakdown (Max): 25 V (substitute must equal or exceed)
Power - Max: 300 mW (substitute must equal or exceed)

Mechanical Compatibility Requirements:

Mounting Type: Surface Mount (must match)
Package / Case: TO-236-3, SC-59, SOT-23-3 (must match)

Operational Compatibility:

Operating Temperature Range: -55°C to 150°C (substitute must cover or exceed this range)

The identified substitute parts meet these criteria while maintaining functional equivalence in interface applications. Substitutes may differ in transition frequency, DC current gain, and saturation voltage characteristics, provided the primary electrical and mechanical parameters are satisfied.

Parameter Comparison

Parameter	MMS9013-H-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 (Max)	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)
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
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

MMS9013-H-TP (Primary Part) The MMS9013-H-TP is the specified component with active product status and substantial inventory. This part meets all defined electrical and mechanical requirements for interface applications. REACH compliance is unaffected, and the part is classified under ECCN EAR99.

BC818-40LT1G (Preferred Substitute) The BC818-40LT1G from onsemi provides direct electrical and mechanical compatibility with the MMS9013-H-TP. Both devices share identical maximum collector current (500 mA), collector-emitter breakdown voltage (25 V), and operating temperature range (-55°C to 150°C). The BC818-40LT1G is RoHS3 compliant with MSL 1 (Unlimited) rating, ensuring compatibility with modern manufacturing processes. Power dissipation is 225 mW, which is lower than the primary part but sufficient for equivalent applications. Inventory availability is high at 305,100 pieces.

2SD2114KT146W (Secondary Substitute) The 2SD2114KT146W from Rohm Semiconductor meets the collector current and package requirements. This part operates at 20 V maximum collector-emitter breakdown voltage, which is lower than the MMS9013-H-TP specification of 25 V. Power dissipation is 200 mW. The device is RoHS3 compliant with MSL 1 rating. Inventory availability is highest among all options at 234,300 pieces. Selection of this part requires confirmation that the 20 V voltage rating is acceptable for the target application.

2SD2114KT146V (Tertiary Substitute) The 2SD2114KT146V from Rohm Semiconductor shares specifications with the 2SD2114KT146W, including 20 V maximum collector-emitter breakdown voltage and 200 mW power dissipation. This part is RoHS3 compliant with MSL 1 rating. Inventory availability is 45,200 pieces. The reduced voltage and power ratings require application-level verification before selection.

Frequently Asked Questions (FAQ)

Q: Can the BC818-40LT1G directly replace the MMS9013-H-TP without circuit modification?

A: The BC818-40LT1G meets all critical electrical parameters: 500 mA maximum collector current, 25 V collector-emitter breakdown voltage, and identical operating temperature range (-55°C to 150°C). Both devices use the same SOT-23 package. Direct replacement is supported for applications operating within these specifications.

Q: Why do the 2SD2114KT146V and 2SD2114KT146W have lower voltage ratings than the MMS9013-H-TP?

A: The 2SD2114 series devices are rated for 20 V maximum collector-emitter breakdown voltage, compared to 25 V for the MMS9013-H-TP. These parts are suitable for applications where the circuit voltage does not exceed 20 V. Applications requiring the full 25 V rating must use the MMS9013-H-TP or BC818-40LT1G.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are packaged in TO-236-3 / SC-59 / SOT-23-3 format, matching the MMS9013-H-TP mechanical specification. Packaging differences exist in supplier delivery format (Bulk, Cut Tape & Digi-Reel, or Tape & Reel), but the component package itself is identical.

Q: What is the significance of the transition frequency differences among these parts?

A: The MMS9013-H-TP operates at 150 MHz transition frequency, while the 2SD2114 series operates at 350 MHz and the BC818-40LT1G at 100 MHz. Transition frequency determines the maximum switching speed capability. Applications requiring operation at or above 150 MHz should use the MMS9013-H-TP or 2SD2114 series. Applications with lower frequency requirements can use any substitute.

Q: Are all parts RoHS and REACH compliant?

A: The MMS9013-H-TP has REACH Unaffected status. The BC818-40LT1G, 2SD2114KT146V, and 2SD2114KT146W are all RoHS3 compliant with REACH Unaffected status. All parts are classified under ECCN EAR99.

Q: What is the difference between the two 2SD2114 variants (KT146V and KT146W)?

A: Both 2SD2114KT146V and 2SD2114KT146W share identical electrical specifications: 20 V breakdown voltage, 500 mA collector current, 200 mW power dissipation, and 350 MHz transition frequency. The primary difference is inventory availability, with the KT146W variant having significantly higher stock levels (234,300 pieces versus 45,200 pieces).

Q: Can I use a substitute part with lower power dissipation rating in my application?

A: Substitution with lower power dissipation ratings (200 mW or 225 mW versus 300 mW) is permissible only if the actual power dissipation in the application does not exceed the substitute part's rating. Circuit analysis must confirm that thermal requirements are met by the substitute device.

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