FMMT723TC PNP Bipolar Transistor Equivalent & Substitute Parts

Part Overview

The FMMT723TC is a PNP bipolar junction transistor manufactured by Diodes Incorporated, rated for 100V collector-emitter breakdown voltage and 1A maximum collector current in a surface mount SOT-23-3 package. This device is classified as obsolete product status. Equivalent and substitute parts are necessary to support ongoing production requirements, design flexibility, and supply chain continuity. Alternative parts listed maintain electrical compatibility within specified parameter ranges while offering active product status or enhanced availability.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Collector Current (Ic) Maximum	1	A
Collector-Emitter Breakdown Voltage (Max)	100	V
Vce Saturation @ Ib, Ic	330mV @ 150mA, 1A	—
DC Current Gain (hFE) Min @ Ic, Vce	250 @ 500mA, 10V	—
Power Dissipation Maximum	625	mW
Transition Frequency	200	MHz
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3 (TO-236-3, SC-59)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the FMMT723TC are categorized based on electrical parameter compatibility. The primary substitution criteria are:

Parametric Equivalents (Direct Replacements): Parts maintaining identical electrical specifications across all critical parameters including 100V breakdown voltage, 1A collector current, 200MHz transition frequency, 625mW power rating, and 250 minimum DC current gain at specified conditions. These parts differ only in packaging format (Cut Tape vs. Tape & Reel) or product status (Active vs. Obsolete).

Manufacturer Recommended Substitutes (Functional Alternatives): Parts with reduced electrical ratings that operate within the FMMT723TC application envelope. These include reduced collector current (100mA to 600mA), reduced breakdown voltage (40V to 120V), reduced power dissipation (225mW to 480mW), or reduced transition frequency (50MHz to 100MHz). Functional alternatives are suitable for applications not requiring the full rated specifications of the original part.

Key Parameters Determining Substitution:

Collector-Emitter Breakdown Voltage (VCEO): Must equal or exceed application requirement
Maximum Collector Current (Ic): Must equal or exceed application requirement
DC Current Gain (hFE): Must meet or exceed application bias requirements
Power Dissipation: Must accommodate circuit power levels
Transition Frequency: Must support application switching speed requirements
Package/Mounting: SOT-23-3 surface mount compatibility required
Operating Temperature: Must span application temperature range

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max)	VCEO (Max)	Vce Sat @ Ib, Ic	hFE Min @ Ic, Vce	Power (Max)	Freq (Transition)	Temp Range	Package
FMMT723TC	Diodes Inc.	Obsolete	1 A	100 V	330mV @ 150mA, 1A	250 @ 500mA, 10V	625 mW	200 MHz	-55 to 150°C	SOT-23-3
FMMT723QTA	Diodes Inc.	Active	1 A	100 V	330mV @ 150mA, 1A	250 @ 500mA, 10V	625 mW	200 MHz	-55 to 150°C	SOT-23-3
FMMT723TA	Diodes Inc.	Active	1 A	100 V	330mV @ 150mA, 1A	250 @ 500mA, 10V	625 mW	200 MHz	-55 to 150°C	SOT-23-3
PBSS9110T,215	Nexperia USA Inc.	Active	1 A	100 V	320mV @ 100mA, 1A	150 @ 500mA, 5V	480 mW	100 MHz	-55 to 150°C	SOT-23-3
BSS63,215	Nexperia USA Inc.	Active	100 mA	100 V	250mV @ 2.5mA, 25mA	30 @ 25mA, 1V	250 mW	85 MHz	-55 to 150°C	SOT-23-3
BSS63LT1G	onsemi	Active	100 mA	100 V	250mV @ 2.5mA, 25mA	30 @ 25mA, 1V	225 mW	95 MHz	-55 to 150°C	SOT-23-3
FJV992FMTF	onsemi	Active	50 mA	120 V	300mV @ 1mA, 10mA	300 @ 1mA, 6V	300 mW	50 MHz	-55 to 150°C	SOT-23-3
MMBT2907ALT1G	onsemi	Active	600 mA	60 V	1.6V @ 50mA, 500mA	100 @ 150mA, 10V	300 mW	200 MHz	-55 to 150°C	SOT-23-3
MMBT2907ALT3G	onsemi	Active	600 mA	60 V	1.6V @ 50mA, 500mA	100 @ 150mA, 10V	300 mW	200 MHz	-55 to 150°C	SOT-23-3
MMBT4403LT1G	onsemi	Active	600 mA	40 V	750mV @ 50mA, 500mA	100 @ 150mA, 2V	300 mW	200 MHz	-55 to 150°C	SOT-23-3
MMBT4403LT3G	onsemi	Active	600 mA	40 V	750mV @ 50mA, 500mA	100 @ 150mA, 2V	300 mW	200 MHz	-55 to 150°C	SOT-23-3

Engineering Selection Recommendations

Parametric Equivalents (Recommended Primary Substitutes):

FMMT723QTA and FMMT723TA are direct parametric equivalents manufactured by Diodes Incorporated with identical electrical specifications to the FMMT723TC. Both parts maintain 100V breakdown voltage, 1A collector current, 200MHz transition frequency, and 625mW power dissipation. FMMT723TA offers significantly higher inventory availability (41,200 units) compared to FMMT723QTA (2,690 units). Both parts carry Active product status, ensuring long-term supply continuity. Selection between these two should be based on packaging format requirements: FMMT723TA is supplied in Tape & Reel format, while FMMT723QTA is supplied in Cut Tape with Digi-Reel packaging.

Functional Alternatives (Reduced Rating Substitutes):

PBSS9110T,215 (Nexperia) maintains the 100V breakdown voltage and 1A collector current specifications of the FMMT723TC while offering Active product status. This part exhibits reduced transition frequency (100MHz vs. 200MHz) and lower power dissipation (480mW vs. 625mW), with slightly reduced DC current gain (150 vs. 250 minimum). This substitute is suitable for applications where the full 200MHz switching speed is not required.

BSS63,215 and BSS63LT1G are reduced-current alternatives rated for 100mA maximum collector current and 100V breakdown voltage. These parts are suitable only for low-current applications operating below 100mA. Both maintain the 100V voltage rating and offer Active product status with extended temperature range support.

FJV992FMTF is a reduced-current, reduced-frequency alternative rated for 50mA collector current and 120V breakdown voltage. This part is suitable for very low-current applications requiring higher voltage margin.

MMBT2907ALT1G and MMBT2907ALT3G are reduced-voltage alternatives rated for 600mA collector current and 60V breakdown voltage. These parts maintain 200MHz transition frequency matching the original part. Selection between LT1G and LT3G variants should be based on packaging format requirements.

MMBT4403LT1G and MMBT4403LT3G are reduced-voltage alternatives rated for 600mA collector current and 40V breakdown voltage. These parts maintain 200MHz transition frequency. Selection between LT1G and LT3G variants should be based on packaging format requirements.

All substitute parts listed carry RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original FMMT723TC specifications.

Frequently Asked Questions (FAQ)

Q: Can FMMT723QTA or FMMT723TA be used as direct replacements for FMMT723TC?

A: Yes. FMMT723QTA and FMMT723TA are parametric equivalents with identical electrical specifications. The only differences are packaging format and product status (both are Active). These parts are suitable for direct substitution in all applications where FMMT723TC was specified.

Q: What is the difference between FMMT723TA and FMMT723QTA?

A: Both parts are electrically identical. FMMT723TA is supplied in Tape & Reel (TR) packaging format with 41,200 units in stock. FMMT723QTA is supplied in Cut Tape (CT) with Digi-Reel packaging format with 2,690 units in stock. Selection should be based on your assembly process requirements and inventory needs.

Q: Can I use PBSS9110T,215 instead of FMMT723TC?

A: PBSS9110T,215 is a functional alternative suitable for applications where 100MHz transition frequency is sufficient. This part maintains the 100V breakdown voltage and 1A collector current ratings. However, it has reduced power dissipation (480mW vs. 625mW) and lower DC current gain (150 vs. 250 minimum). Use this substitute only if your application does not require the full 200MHz switching speed of the original part.

Q: Why would I use BSS63LT1G or BSS63,215 as substitutes?

A: These parts are suitable only for low-current applications operating at 100mA or below. They maintain the 100V breakdown voltage rating but are not suitable for applications requiring the full 1A collector current of the FMMT723TC. These substitutes are appropriate for signal-level switching applications with reduced current requirements.

Q: What is the difference between MMBT2907ALT1G and MMBT2907ALT3G?

A: Both parts are electrically identical with 600mA collector current and 60V breakdown voltage ratings. The difference is packaging format: MMBT2907ALT1G is supplied in Cut Tape (CT) with Digi-Reel format, while MMBT2907ALT3G is supplied in Cut Tape (CT) with Digi-Reel format. Selection should be based on your assembly process requirements.

Q: Can I use MMBT4403LT1G or MMBT4403LT3G for applications requiring 100V operation?

A: No. MMBT4403LT1G and MMBT4403LT3G are rated for 40V maximum breakdown voltage. These parts are not suitable for applications requiring 100V operation. Use these substitutes only for applications operating at 40V or below.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance status matching the original FMMT723TC. All parts also carry MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: What is the operating temperature range for substitute parts?

A: Most substitute parts support the full -55°C to 150°C operating temperature range matching the FMMT723TC. PBSS9110T,215, BSS63,215, and FJV992FMTF specify maximum junction temperature of 150°C without explicit minimum temperature specification in the provided data. Verify specific temperature requirements with your application specifications.

Q: Can I mix different substitute parts in the same production run?

A: Mixing substitute parts with different electrical ratings (such as different collector current or breakdown voltage ratings) in the same circuit design is not recommended. Maintain consistent part selection within a single design to ensure predictable circuit performance. If design flexibility is required, specify parts with identical electrical ratings.

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

A: All substitute parts are supplied in SOT-23-3 surface mount package format. Packaging options vary by part number: Tape & Reel (TR), Cut Tape (CT) with Digi-Reel, or both formats available. Verify packaging format availability with your supplier based on your assembly process requirements.

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