FMMT413TA Equivalent & Substitute Parts

Part Overview

The FMMT413TA is a Surface Mount NPN Avalanche Mode Bipolar Junction Transistor manufactured by Diodes Incorporated, rated for 50V collector-emitter breakdown voltage and 100mA maximum collector current. This device is classified as Obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. The part is packaged in SOT-23-3 (TO-236-3, SC-59) configuration with a maximum power dissipation of 330mW and transition frequency of 150MHz.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN - Avalanche Mode	—
Collector Current (Max)	100	mA
Collector-Emitter Breakdown Voltage (Max)	50	V
Vce Saturation (Max)	150	mV @ 1mA, 10mA
Collector Cutoff Current (Max)	100	nA
DC Current Gain (hFE Min)	50	@ 10mA, 10V
Power Dissipation (Max)	330	mW
Transition Frequency	150	MHz
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the FMMT413TA is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Collector-Emitter Breakdown Voltage: 50V (maximum)
Maximum Collector Current: 100mA or greater
Package Type: SOT-23-3 (TO-236-3, SC-59) Surface Mount
Transistor Polarity: NPN
Operating Temperature Range: Minimum -55°C to 150°C

Secondary Compatibility Factors:

Power Dissipation: 250mW or greater
Transition Frequency: 100MHz or greater
Vce Saturation characteristics
DC Current Gain (hFE) specifications

Substitute parts are grouped into two categories:

Category 1: Parametric Equivalents — Parts with identical electrical specifications and same manufacturer (Diodes Incorporated FMMT413TD). These provide direct replacement with no design modification required.

Category 2: Manufacturer Recommended Alternatives — Parts from Nexperia USA Inc. (2PD601 and 2PD602 series) that meet or exceed the FMMT413TA electrical requirements. These parts carry automotive-grade qualification (AEC-Q101) and active product status, providing enhanced supply chain stability and compliance certifications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) mA	Vce(br) V	Vce Sat mV	hFE (Min)	Power mW	fT MHz	Package	Compliance
FMMT413TA	Diodes Inc.	Obsolete	100	50	150 @ 1mA, 10mA	50 @ 10mA, 10V	330	150	SOT-23-3	ROHS3
FMMT413TD	Diodes Inc.	Active	100	50	150 @ 1mA, 10mA	50 @ 10mA, 10V	330	150	SOT-23-3	ROHS3
2PD601ARL,215	Nexperia USA Inc.	Active	100	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	250	100	TO-236AB	ROHS3, AEC-Q101
2PD601ARL,235	Nexperia USA Inc.	Active	100	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	250	100	TO-236AB	ROHS3, AEC-Q101
2PD601ART,235	Nexperia USA Inc.	Active	100	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	250	100	TO-236AB	ROHS3, AEC-Q101
2PD601ASL,215	Nexperia USA Inc.	Active	100	50	250 @ 10mA, 100mA	290 @ 2mA, 10V	250	100	TO-236AB	ROHS3, AEC-Q101
2PD601BRL,215	Nexperia USA Inc.	Active	200	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	250	250	TO-236AB	ROHS3, AEC-Q101
2PD601BSL,215	NXP Semiconductors	Active	200	50	250 @ 10mA, 100mA	290 @ 2mA, 10V	250	250	TO-236AB	ROHS3, AEC-Q101
2PD602AQL,215	Nexperia USA Inc.	Active	500	50	600 @ 30mA, 300mA	85 @ 150mA, 10V	250	140	TO-236AB	ROHS3, AEC-Q101
2PD602ARL,215	Nexperia USA Inc.	Active	500	50	600 @ 30mA, 300mA	120 @ 150mA, 10V	250	160	TO-236AB	ROHS3, AEC-Q101
2PD602ASL,215	Nexperia USA Inc.	Active	500	50	600 @ 30mA, 300mA	170 @ 150mA, 10V	250	180	TO-236AB	ROHS3, AEC-Q101

Engineering Selection Recommendations

Direct Replacement (No Design Modification):

FMMT413TD from Diodes Incorporated is the direct parametric equivalent to FMMT413TA. This part maintains identical electrical specifications and is currently in Active product status, providing immediate supply chain availability. The FMMT413TD is available in Tape & Reel packaging with 2106 units in stock.

Automotive-Grade Alternatives (Design Verification Recommended):

The 2PD601 series from Nexperia USA Inc. provides AEC-Q101 automotive qualification and Active product status. These parts meet the 50V breakdown voltage and 100mA collector current requirements of the FMMT413TA:

2PD601ARL,215 / 2PD601ARL,235 / 2PD601ART,235: Rated for 100mA maximum collector current with 100MHz transition frequency. These parts exhibit higher Vce saturation (250mV vs. 150mV) and lower power dissipation (250mW vs. 330mW). Suitable for applications where the reduced power rating and higher saturation voltage are acceptable.
2PD601ASL,215: Identical electrical specifications to 2PD601ARL variants with enhanced DC current gain (290 vs. 210 at 2mA, 10V).
2PD601BRL,215 / 2PD601BSL,215: Rated for 200mA maximum collector current with 250MHz transition frequency, providing increased current handling capability and higher frequency performance than the FMMT413TA.

Higher Current Alternatives (Design Modification Required):

The 2PD602 series provides 500mA maximum collector current, exceeding FMMT413TA specifications. These parts are suitable only for applications requiring higher current capacity:

2PD602AQL,215: 140MHz transition frequency, 85 hFE minimum
2PD602ARL,215: 160MHz transition frequency, 120 hFE minimum
2PD602ASL,215: 180MHz transition frequency, 170 hFE minimum

All Nexperia alternatives carry ROHS3 compliance and AEC-Q101 automotive qualification, supporting applications requiring enhanced supply chain stability and automotive-grade reliability.

Frequently Asked Questions (FAQ)

Q: Can FMMT413TD be used as a direct replacement for FMMT413TA?

A: Yes. FMMT413TD is a parametric equivalent with identical electrical specifications: 100mA collector current, 50V breakdown voltage, 150mV saturation voltage, 50 hFE minimum, 330mW power dissipation, and 150MHz transition frequency. The primary difference is product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. standard). No design modification is required.

Q: What are the key differences between FMMT413TA and the 2PD601 series?

A: The 2PD601 series maintains the 50V breakdown voltage and 100mA collector current ratings but exhibits different saturation characteristics (250mV vs. 150mV at specified test conditions) and lower maximum power dissipation (250mW vs. 330mW). The 2PD601 series carries AEC-Q101 automotive qualification, which FMMT413TA does not. Transition frequency is reduced to 100MHz in the 2PD601A variants. These differences require circuit evaluation before substitution.

Q: Are the 2PD602 series parts suitable replacements for FMMT413TA?

A: The 2PD602 series exceeds FMMT413TA specifications in collector current (500mA vs. 100mA) and transition frequency (140-180MHz vs. 150MHz). These parts are suitable only for applications requiring higher current capacity. The higher saturation voltage (600mV at 30mA, 300mA) and different gain characteristics require design verification. Use only when increased current handling is a design requirement.

Q: What is the significance of AEC-Q101 qualification on the Nexperia parts?

A: AEC-Q101 is an automotive industry qualification standard for discrete semiconductors. Parts carrying this certification have undergone rigorous reliability testing and are approved for automotive applications. FMMT413TA does not carry this certification. If your application requires automotive-grade components, the Nexperia 2PD601 and 2PD602 series are qualified alternatives.

Q: Can I use 2PD601BRL,215 (200mA) instead of 2PD601ARL,215 (100mA)?

A: Yes, if your circuit design permits. The 2PD601BRL,215 provides higher collector current capacity (200mA vs. 100mA) and faster transition frequency (250MHz vs. 100MHz) while maintaining the same 50V breakdown voltage. This substitution is forward-compatible for applications not requiring the full 200mA capability. Verify that the higher frequency response does not introduce unwanted oscillation or noise in your specific circuit topology.

Q: What packaging formats are available for these substitute parts?

A: All substitute parts are packaged in SOT-23-3 (TO-236-3, SC-59) surface mount configuration, matching the FMMT413TA package. Nexperia parts are available in Tape & Reel (TR) and Bulk packaging formats. FMMT413TD is available in Tape & Reel format. Verify packaging availability with your supplier before design finalization.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. FMMT413TA, FMMT413TD, and all Nexperia 2PD601 and 2PD602 series parts are ROHS3 compliant. All parts are REACH Unaffected and carry EAR99 ECCN classification. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts listed.

Q: What is the difference between 2PD601ARL,215 and 2PD601ARL,235?

A: Both parts are electrically identical with 100mA collector current, 50V breakdown voltage, and 100MHz transition frequency. The suffix designation (,215 vs. ,235) indicates different manufacturing or packaging variants. Both are Active status with AEC-Q101 qualification. Consult your supplier for specific availability and lead time differences.

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