BDP954E6327HTSA1 Equivalent & Substitute Parts

Part Overview

The BDP954E6327HTSA1 is a PNP bipolar junction transistor manufactured by Infineon Technologies, rated for 100V collector-emitter breakdown voltage and 3A maximum collector current. This device is packaged in SOT-223-4 surface mount configuration and is designed for general-purpose switching and amplification applications requiring 5W power dissipation capability.

The BDP954E6327HTSA1 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Substitute devices must maintain electrical compatibility within the specified parameter ranges while accommodating packaging and performance variations.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	100	V
Current - Collector (Ic) (Max)	3	A
Power - Max	5	W
Frequency - Transition	100	MHz
Vce Saturation (Max) @ Ib, Ic	500mV @ 200mA, 2A	—
DC Current Gain (hFE) (Min) @ Ic, Vce	85 @ 500mA, 1V	—
Operating Temperature (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-261-4, TO-261AA	—

Substitute Part Grouping Explanation

Substitution of the BDP954E6327HTSA1 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor Type: PNP (mandatory)
Voltage - Collector Emitter Breakdown (Max): ≥100V (equal or higher)
Current - Collector (Ic) (Max): ≥3A (equal or higher)
Power - Max: ≥5W (equal or higher)
Mounting Type: Surface Mount
Package / Case: TO-261-4, TO-261AA compatible

Secondary Compatibility Parameters:

Frequency - Transition: ≥100MHz
DC Current Gain (hFE): ≥85 @ specified conditions
Operating Temperature: ≥150°C maximum junction temperature
Vce Saturation: ≤500mV @ specified conditions

Substitute parts are grouped into two categories based on current rating alignment:

Category A - Full Current Rating Match (Ic ≥3A): FZT953TA, ZX5T953GTA, PBSS306PZ,135 These devices meet or exceed the 3A collector current specification and 5W power rating.

Category B - Reduced Current Rating (Ic <3A): FZT753TA, PZT2907AT1G, PZT2907AT3G These devices provide reduced current capability and are suitable only for applications where the 3A specification is not a hard requirement.

Parameter Comparison

Parameter	BDP954E6327HTSA1	FZT753TA	FZT953TA	PBSS306PZ,135	PZT2907AT1G	PZT2907AT3G	ZX5T953GTA
Manufacturer	Infineon	Diodes Inc.	Diodes Inc.	Nexperia	onsemi	onsemi	Diodes Inc.
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP	PNP
Ic (Max) [A]	3	2	5	4.1	0.6	0.6	5
Vce Breakdown (Max) [V]	100	100	100	100	60	60	100
Power (Max) [W]	5	2	3	2	1.5	1.5	3
Frequency - Transition [MHz]	100	140	120	100	200	200	125
hFE (Min) @ Ic, Vce	85 @ 500mA, 1V	100 @ 500mA, 2V	100 @ 2A, 1V	100 @ 2A, 2V	100 @ 150mA, 10V	100 @ 150mA, 10V	100 @ 1A, 1V
Vce Saturation (Max)	500mV @ 200mA, 2A	500mV @ 200mA, 2A	460mV @ 500mA, 5A	325mV @ 410mA, 4.1A	1.6V @ 50mA, 500mA	1.6V @ 50mA, 500mA	340mV @ 400mA, 4A
Operating Temp (Max) [°C]	150	150	150	150	150	150	150
Package	SOT-223-4	SOT-223-3	SOT-223-3	SOT-223	SOT-223	SOT-223	SOT-223-3
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Full Specification Compliance):

FZT953TA and ZX5T953GTA are the primary substitutes for applications requiring the full 3A collector current specification. Both devices are active products with ROHS3 compliance and meet or exceed the 100V breakdown voltage and 3W minimum power rating. FZT953TA offers 5A maximum collector current with 3W power dissipation. ZX5T953GTA provides 5A maximum collector current with 3W power dissipation and improved saturation voltage characteristics (340mV vs. 460mV). Both are available in high inventory quantities.

PBSS306PZ,135 provides 4.1A maximum collector current and meets the 100V breakdown requirement. This device includes AEC-Q100 automotive qualification and is suitable for applications requiring automotive-grade components. Power rating is 2W, which is below the original 5W specification.

For Current-Limited Applications:

FZT753TA is suitable for applications where collector current does not exceed 2A. This device provides 100V breakdown voltage and 140MHz transition frequency, exceeding the original specification. Power rating is 2W.

Not Recommended for Direct Replacement:

PZT2907AT1G and PZT2907AT3G have 60V maximum breakdown voltage, which is below the 100V requirement of the original device. These parts are suitable only for applications with reduced voltage requirements (≤60V). Collector current is limited to 600mA, and power dissipation is 1.5W.

Frequently Asked Questions (FAQ)

Q1: Can FZT953TA directly replace BDP954E6327HTSA1 in all applications?

FZT953TA meets the critical electrical parameters: 100V breakdown voltage, 5A collector current (exceeds 3A requirement), and 3W power dissipation. The device is pin-compatible in SOT-223 package. However, verify that the specific application does not depend on the original 5W power rating or the SOT-223-4 four-pin configuration. FZT953TA uses SOT-223-3 (three-pin) package.

Q2: What is the difference between FZT953TA and ZX5T953GTA?

Both devices provide 5A collector current and 100V breakdown voltage. ZX5T953GTA offers superior saturation voltage performance (340mV vs. 460mV at specified conditions), resulting in lower power dissipation during saturation. Transition frequency is slightly higher for ZX5T953GTA (125MHz vs. 120MHz). Both are active products with equivalent availability and compliance status.

Q3: Why is PBSS306PZ,135 listed as a substitute if its power rating is only 2W?

PBSS306PZ,135 meets the voltage (100V) and current (4.1A) requirements and is an active product with automotive qualification. It is suitable for applications where the 5W power specification is not a limiting factor. The 2W rating indicates lower thermal dissipation capability; applications requiring sustained high-power operation should use FZT953TA or ZX5T953GTA instead.

Q4: Can PZT2907AT1G or PZT2907AT3G be used as substitutes?

No. These devices have 60V maximum breakdown voltage, which is 40V below the original specification. They are not suitable for circuits designed for 100V operation. Use these parts only if the application voltage requirement is ≤60V and collector current does not exceed 600mA.

Q5: What are the packaging differences between substitute parts?

The original BDP954E6327HTSA1 uses SOT-223-4 (four-pin) package. All substitute parts use SOT-223 or SOT-223-3 (three-pin) packages. Verify PCB layout compatibility before substitution. Pin assignments may differ; consult device datasheets for exact pinout confirmation.

Q6: Are all substitute parts RoHS compliant?

Yes. All active substitute parts listed (FZT753TA, FZT953TA, PBSS306PZ,135, PZT2907AT1G, PZT2907AT3G, ZX5T953GTA) are ROHS3 compliant. The original BDP954E6327HTSA1 RoHS status is not specified in the provided data.

Q7: Which substitute offers the best overall performance match?

FZT953TA and ZX5T953GTA provide the closest electrical performance match with 5A collector current, 100V breakdown voltage, and 3W power dissipation. ZX5T953GTA has superior saturation voltage characteristics. Both are active products with high inventory availability and ROHS3 compliance.

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