FZT795ATC Equivalent & Substitute Parts

Part Overview

The FZT795ATC is a PNP bipolar junction transistor manufactured by Diodes Incorporated, designed for surface mount applications in the SOT-223-3 package. This device operates at 140 V collector-emitter breakdown voltage with a maximum collector current of 500 mA and 2 W power dissipation capability. The FZT795ATC is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Substitute parts must maintain electrical and mechanical compatibility while meeting current availability and compliance standards.

Key Parameters

Parameter	FZT795ATC	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	140	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	2	W
Frequency - Transition	100	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	300 @ 10mA, 2V	—
Vce Saturation (Max) @ Ib, Ic	250mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	TO-261-4, TO-261AA	—
Supplier Device Package	SOT-223-3	—
RoHS Status	ROHS3 Compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitute parts for the FZT795ATC are categorized based on electrical parameter compatibility and packaging equivalence. The primary substitution criteria are:

Critical Parameters for Substitution:

Transistor Type: PNP (required match)
Voltage - Collector Emitter Breakdown: minimum 140 V
Current - Collector (Ic) (Max): minimum 500 mA
Power - Max: minimum 2 W
Mounting Type: Surface Mount (required match)
Package / Case: TO-261-4 or TO-261AA (required match)
Supplier Device Package: SOT-223 or SOT-223-3 (required match)

Parametric Equivalent Parts maintain identical or superior electrical specifications within the same package footprint. These parts are direct replacements with no circuit redesign required.

Manufacturer Recommended Parts exceed the FZT795ATC specifications in one or more parameters (voltage, current, or power rating) while maintaining package compatibility. These parts function as drop-in replacements for applications where higher performance margins are acceptable.

Parameter Comparison

Parameter	FZT795ATC	FZT795AQTA	FZT795ATA	PBHV9115Z,115	PBHV9215Z,115	PZT2907AT1G	PZT2907AT3G
Manufacturer	Diodes Inc.	Diodes Inc.	Diodes Inc.	Nexperia USA Inc.	Nexperia USA Inc.	onsemi	onsemi
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP	PNP
Voltage - Collector Emitter Breakdown (Max)	140 V	140 V	140 V	150 V	150 V	60 V	60 V
Current - Collector (Ic) (Max)	500 mA	500 mA	500 mA	1 A	2 A	600 mA	600 mA
Power - Max	2 W	2 W	2 W	1.4 W	1.45 W	1.5 W	1.5 W
Frequency - Transition	100 MHz	100 MHz	100 MHz	115 MHz	35 MHz	200 MHz	200 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	300 @ 10mA, 2V	300 @ 10mA, 2V	300 @ 10mA, 2V	100 @ 100mA, 10V	80 @ 1A, 10V	100 @ 150mA, 10V	100 @ 150mA, 10V
Vce Saturation (Max) @ Ib, Ic	250mV @ 50mA, 500mA	300mV @ 5mA, 200mA	250mV @ 50mA, 500mA	300mV @ 100mA, 500mA	350mV @ 400mA, 2A	1.6V @ 50mA, 500mA	1.6V @ 50mA, 500mA
Current - Collector Cutoff (Max)	100 nA	100 nA	100 nA	100 nA	100 nA	10 nA	10 nA
Operating Temperature Range	-55 to 150°C	-55 to 150°C	-55 to 150°C	150°C	150°C	-65 to 150°C	-65 to 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-261-4, TO-261AA	TO-261-4, TO-261AA	TO-261-4, TO-261AA	TO-261-4, TO-261AA	TO-261-4, TO-261AA	TO-261-4, TO-261AA	TO-261-4, TO-261AA
Supplier Device Package	SOT-223-3	SOT-223-3	SOT-223-3	SOT-223	SOT-223	SOT-223 (TO-261)	SOT-223 (TO-261)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Qualification	—	AEC-Q101	—	AEC-Q100	AEC-Q100	—	—

Engineering Selection Recommendations

Parametric Equivalent Parts (Direct Replacements):

FZT795AQTA and FZT795ATA are parametric equivalents manufactured by Diodes Incorporated. Both parts maintain the electrical specifications of the FZT795ATC while offering active product status. FZT795AQTA includes AEC-Q101 automotive qualification and is supplied in Tape & Reel packaging. FZT795ATA is supplied in Cut Tape packaging. Both parts are suitable for direct substitution in existing designs without circuit modification.

Manufacturer Recommended Parts (Higher Performance Margin):

PBHV9115Z,115 and PBHV9215Z,115 are manufactured by Nexperia USA Inc. and exceed FZT795ATC specifications in collector-emitter breakdown voltage (150 V vs. 140 V) and collector current capability (1 A and 2 A respectively vs. 500 mA). Both parts carry AEC-Q100 automotive qualification. PBHV9115Z,115 maintains comparable power dissipation (1.4 W) and transition frequency (115 MHz). PBHV9215Z,115 provides higher current handling at reduced transition frequency (35 MHz). These parts function as drop-in replacements where enhanced voltage and current margins are beneficial.

PZT2907AT1G and PZT2907AT3G are manufactured by onsemi. These parts operate at reduced collector-emitter breakdown voltage (60 V vs. 140 V) and are not suitable for applications requiring the full 140 V rating of the FZT795ATC. These parts are listed as manufacturer recommendations but do not meet the voltage specification requirement for direct substitution in voltage-critical applications.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and are currently in active production status with substantial inventory availability. FZT795AQTA and FZT795ATA are recommended as primary substitutes due to identical electrical specifications and active product status. PBHV9115Z,115 is recommended for applications where higher voltage and current margins are acceptable design objectives.

Frequently Asked Questions (FAQ)

Q: Can FZT795AQTA be used as a direct replacement for FZT795ATC?

A: Yes. FZT795AQTA maintains identical electrical specifications including 140 V collector-emitter breakdown voltage, 500 mA maximum collector current, 2 W power dissipation, and 100 MHz transition frequency. Both parts use the SOT-223-3 package. FZT795AQTA is supplied in Tape & Reel packaging and includes AEC-Q101 automotive qualification.

Q: What is the difference between FZT795AQTA and FZT795ATA?

A: Both parts are parametric equivalents with identical electrical specifications. The primary difference is packaging format: FZT795AQTA is supplied in Tape & Reel (TR) with AEC-Q101 qualification, while FZT795ATA is supplied in Cut Tape (CT) format. Selection depends on assembly process requirements and qualification needs.

Q: Can PBHV9115Z,115 replace FZT795ATC in all applications?

A: PBHV9115Z,115 exceeds FZT795ATC specifications in collector-emitter breakdown voltage (150 V vs. 140 V) and collector current (1 A vs. 500 mA). The part operates at reduced power dissipation (1.4 W vs. 2 W). PBHV9115Z,115 functions as a drop-in replacement with enhanced performance margins. Verify that reduced power dissipation does not impact thermal design requirements.

Q: Why are PZT2907AT1G and PZT2907AT3G listed as substitutes if they operate at 60 V?

A: PZT2907AT1G and PZT2907AT3G are listed as manufacturer recommendations but do not meet the 140 V collector-emitter breakdown voltage specification of the FZT795ATC. These parts are suitable only for applications operating at 60 V or lower. Do not use these parts in circuits requiring 140 V voltage rating.

Q: Are all substitute parts compatible with the SOT-223-3 package footprint?

A: All substitute parts use the TO-261-4 or TO-261AA case designation with SOT-223 or SOT-223-3 supplier device packages. These packages are mechanically and electrically compatible with SOT-223-3 footprints. Verify PCB layout compatibility with specific package dimensions from manufacturer datasheets.

Q: What is the inventory status of substitute parts?

A: FZT795AQTA has 20,300 pieces in stock. FZT795ATA has 32,400 pieces in stock. PBHV9115Z,115 has 21,021 pieces in stock. PBHV9215Z,115 has 5,717 pieces in stock. PZT2907AT1G has 125,200 pieces in stock. PZT2907AT3G has 24,130 pieces in stock. All parts are available as new original components.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All substitute parts listed are ROHS3 compliant. The FZT795ATC is also ROHS3 compliant. Compliance status is maintained across all equivalent and recommended substitute components.

Q: Which substitute part is recommended for automotive applications?

A: FZT795AQTA carries AEC-Q101 automotive qualification. PBHV9115Z,115 and PBHV9215Z,115 carry AEC-Q100 automotive qualification. For automotive applications, select FZT795AQTA as the primary equivalent or PBHV9115Z,115 if enhanced voltage and current margins are required.

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