FMMT413TC Equivalent & Substitute Parts

Part Overview

The FMMT413TC 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 active equivalent and substitute components for new designs and production continuity. The FMMT413TC operates in the 150MHz frequency range with 330mW maximum power dissipation in a SOT-23-3 package configuration.

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 (TO-236-3, SC-59)	Surface Mount
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the FMMT413TC 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 surface mount configuration
Transistor Classification: NPN type
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 within acceptable operating ranges
RoHS3 compliance and MSL rating

The FMMT413TD represents a parametric equivalent from the same manufacturer with identical electrical specifications but active product status and tape & reel packaging. The 2PD601 and 2PD602 series from Nexperia USA Inc. and NXP Semiconductors provide functional substitutes with automotive-grade qualification (AEC-Q101) and enhanced availability. These alternatives maintain the 50V breakdown voltage and SOT-23-3 package while offering variations in collector current capacity, transition frequency, and DC current gain to accommodate different application requirements.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Vce Sat mV	hFE (Min)	fT MHz	P(Max) mW	Status	Package
FMMT413TC	Diodes Inc.	100	50	150 @ 1mA, 10mA	50 @ 10mA, 10V	150	330	Obsolete	SOT-23-3
FMMT413TD	Diodes Inc.	100	50	150 @ 1mA, 10mA	50 @ 10mA, 10V	150	330	Active	SOT-23-3
2PD601ARL,215	Nexperia USA Inc.	100	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	100	250	Active	SOT-23-3
2PD601ARL,235	Nexperia USA Inc.	100	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	100	250	Active	SOT-23-3
2PD601ART,235	Nexperia USA Inc.	100	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	100	250	Active	SOT-23-3
2PD601ASL,215	Nexperia USA Inc.	100	50	250 @ 10mA, 100mA	290 @ 2mA, 10V	100	250	Active	SOT-23-3
2PD601BRL,215	Nexperia USA Inc.	200	50	250 @ 10mA, 100mA	210 @ 2mA, 10V	250	250	Active	SOT-23-3
2PD601BSL,215	NXP Semiconductors	200	50	250 @ 10mA, 100mA	290 @ 2mA, 10V	250	250	Active	SOT-23-3
2PD602AQL,215	Nexperia USA Inc.	500	50	600 @ 30mA, 300mA	85 @ 150mA, 10V	140	250	Active	SOT-23-3
2PD602ARL,215	Nexperia USA Inc.	500	50	600 @ 30mA, 300mA	120 @ 150mA, 10V	160	250	Active	SOT-23-3
2PD602ASL,215	Nexperia USA Inc.	500	50	600 @ 30mA, 300mA	170 @ 150mA, 10V	180	250	Active	500

Engineering Selection Recommendations

Direct Parametric Equivalent: The FMMT413TD from Diodes Incorporated provides exact electrical and mechanical equivalence to the FMMT413TC. This part maintains identical specifications across all critical parameters while offering active product status and improved availability. Selection of FMMT413TD is appropriate for applications requiring no design modification.

Automotive-Grade Alternatives: The 2PD601 series (variants ARL,215; ARL,235; ART,235; ASL,215) and 2PD601B series (BRL,215; BSL,215) from Nexperia USA Inc. and NXP Semiconductors provide AEC-Q101 automotive qualification with 50V breakdown voltage and 100mA collector current ratings. These parts are suitable for applications requiring automotive-grade components. The 2PD601 variants differ in DC current gain specifications and transition frequency, with the ASL,215 variant offering higher hFE (290 minimum) compared to ARL variants (210 minimum).

Higher Current Capacity Alternatives: The 2PD601B series extends collector current to 200mA while maintaining 50V breakdown voltage, suitable for applications requiring increased current handling. The 2PD602 series (AQL,215; ARL,215; ASL,215) provides 500mA collector current capacity with 50V breakdown voltage, accommodating higher power applications within the same SOT-23-3 package footprint.

Compliance Considerations: All substitute parts listed maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and REACH unaffected status, matching the environmental and regulatory requirements of the FMMT413TC.

Frequently Asked Questions (FAQ)

Q: Can FMMT413TD be used as a direct replacement for FMMT413TC?

A: Yes. The FMMT413TD is a parametric equivalent with identical electrical specifications, collector-emitter breakdown voltage (50V), maximum collector current (100mA), power dissipation (330mW), and transition frequency (150MHz). The primary difference is product status (active versus obsolete) and packaging format (tape & reel). No circuit design modifications are required.

Q: What is the primary difference between FMMT413TC and the 2PD601 series?

A: The 2PD601 series maintains the same 50V breakdown voltage and 100mA collector current but operates at 100MHz transition frequency compared to the FMMT413TC's 150MHz. Power dissipation is reduced to 250mW. The 2PD601 series includes automotive-grade qualification (AEC-Q101), making these parts suitable for automotive applications. Vce saturation characteristics differ, with 2PD601 variants rated at 250mV versus FMMT413TC at 150mV.

Q: When should the 2PD601B or 2PD602 series be selected instead of direct equivalents?

A: The 2PD601B series (200mA collector current) should be selected when applications require higher current capacity while maintaining the same 50V breakdown voltage and SOT-23-3 package. The 2PD602 series (500mA collector current) accommodates even higher current demands. These selections are appropriate when circuit redesign can accommodate the higher current ratings without exceeding thermal or power dissipation limits.

Q: Are all substitute parts compatible with the SOT-23-3 package footprint?

A: Yes. All listed substitute parts use the SOT-23-3 (TO-236-3, SC-59) surface mount package, ensuring mechanical and electrical compatibility with existing PCB layouts designed for the FMMT413TC.

Q: What is the significance of the 2PD601 variant suffixes (ARL, ART, ASL)?

A: The suffixes indicate different DC current gain (hFE) grades and packaging configurations. ARL and ART variants specify hFE minimum of 210 at 2mA, 10V. The ASL variant specifies hFE minimum of 290 at the same conditions. Selection depends on circuit requirements for current gain characteristics. The numeric suffix (215, 235) indicates different tape reel specifications or manufacturing codes.

Q: Is the FMMT413TC avalanche mode characteristic preserved in substitute parts?

A: The FMMT413TC is specified as NPN - Avalanche Mode. The 2PD601 and 2PD602 series are specified as standard NPN transistors without avalanche mode designation. Applications requiring specific avalanche mode characteristics should verify compatibility with the FMMT413TD, which maintains the avalanche mode specification.

Q: What packaging options are available for substitute parts?

A: The FMMT413TD is available in tape & reel (TR) packaging. The 2PD601 and 2PD602 series are available in tape & reel (TR) and bulk packaging options. The 2PD601BSL,215 variant is supplied in bulk packaging. Selection of packaging format depends on production volume and assembly requirements.

Q: Are there temperature range differences between the FMMT413TC and substitute parts?

A: The FMMT413TC operates from -55°C to 150°C (TJ). The 2PD601 and 2PD602 series specify maximum operating temperature of 150°C (TJ) without explicit minimum temperature specification in the provided data. Applications requiring full -55°C to 150°C range should verify the complete temperature specification for 2PD601 and 2PD602 variants.

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