BSP171PE6327T P-Channel MOSFET 60V 1.9A Equivalent & Substitute Parts

Part Overview

The BSP171PE6327T is a P-Channel MOSFET manufactured by Infineon Technologies, rated for 60V drain-to-source voltage with 1.9A continuous drain current at 25°C. The device is packaged in PG-SOT223-4 (TO-261-4, TO-261AA) surface mount configuration and is designed for low-power switching applications requiring P-channel enhancement-mode operation.

This part carries an Obsolete product status. Identifying equivalent and substitute components is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this MOSFET.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	1.9	A
On-State Resistance (Rds On) @ Id, Vgs	300 mOhm @ 1.9A, 10V	mOhm
Gate-Source Threshold Voltage (Vgs(th))	2	V @ 460µA
Gate Charge (Qg) @ Vgs	20	nC @ 10V
Power Dissipation (Max)	1.8	W
Operating Temperature Range	-55 to 150	°C
Package Type	PG-SOT223-4	Surface Mount
FET Type	P-Channel
Technology	MOSFET (Metal Oxide)

Substitute Part Grouping Explanation

Substitution eligibility for the BSP171PE6327T is determined by the following critical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Must equal or exceed 60V
FET Type: Must be P-Channel
Technology: Must be MOSFET (Metal Oxide)
Continuous Drain Current (Id): Must meet or exceed 1.9A at 25°C
On-State Resistance (Rds On): Must not exceed 300 mOhm at rated current and gate voltage
Gate-Source Threshold Voltage (Vgs(th)): Must be compatible with 10V drive voltage
Operating Temperature Range: Must encompass -55°C to 150°C
Mounting Type: Must be Surface Mount
Package Compatibility: Physical footprint must be compatible with TO-261-4 or TO-261AA

Substitute Parts Identified:

Group 1 - Parametric Equivalent (Infineon Technologies): BSP171PH6327XTSA1 meets all electrical specifications identically to the main part and differs only in product status (Active vs. Obsolete) and packaging format (Cut Tape & Digi-Reel vs. standard).

Group 2 - Functional Equivalent with Enhanced Ratings (onsemi): NDT2955 provides higher continuous drain current (2.5A vs. 1.9A) and increased power dissipation capability (3W vs. 1.8W) while maintaining the same Vdss, Rds On specification, and operating temperature range. This part is suitable for applications where the BSP171PE6327T operates below its maximum current rating.

Group 3 - Functional Equivalent with Trade-offs (Diodes Incorporated): ZXMP6A13GTA maintains the 60V Vdss rating and operating temperature range but features lower continuous drain current (1.7A vs. 1.9A) and higher Rds On (390 mOhm vs. 300 mOhm). This part is suitable only for applications where the required drain current does not exceed 1.7A.

Parameter Comparison

Parameter	BSP171PE6327T (Main)	BSP171PH6327XTSA1	NDT2955	ZXMP6A13GTA
Manufacturer	Infineon Technologies	Infineon Technologies	onsemi	Diodes Incorporated
Vdss (V)	60	60	60	60
Id @ 25°C (A)	1.9	1.9	2.5	1.7
Rds On (mOhm)	300 @ 1.9A, 10V	300 @ 1.9A, 10V	300 @ 2.5A, 10V	390 @ 900mA, 10V
Vgs(th) (V)	2 @ 460µA	2 @ 460µA	4 @ 250µA	1 @ 250µA
Qg (nC)	20 @ 10V	20 @ 10V	15 @ 10V	5.9 @ 10V
Power Dissipation (W)	1.8	1.8	3	2
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	PG-SOT223-4	PG-SOT223-4	SOT-223-4	SOT-223-3
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BSP171PH6327XTSA1 (Infineon Technologies) - Primary Recommendation

This part is the direct parametric equivalent to the BSP171PE6327T. All electrical characteristics, voltage ratings, current ratings, and thermal specifications are identical. The primary advantage is Active product status, ensuring long-term availability and supply chain support. The part is ROHS3 Compliant and carries identical REACH and ECCN classifications. Packaging is available in Cut Tape and Digi-Reel formats, supporting both prototype and production environments. This substitution requires no circuit redesign or thermal management modifications.

NDT2955 (onsemi) - Secondary Recommendation for Higher Current Applications

This part is suitable for designs where the BSP171PE6327T operates below its maximum 1.9A rating. The NDT2955 provides 2.5A continuous drain current capability and 3W power dissipation, offering design margin for current-limited applications. The identical Rds On specification (300 mOhm) ensures equivalent switching losses at comparable current levels. ROHS3 Compliance and Active product status support long-term availability. Package compatibility with TO-261-4 and TO-261AA footprints is maintained. This substitution is appropriate only when circuit analysis confirms drain current requirements do not exceed 1.9A.

ZXMP6A13GTA (Diodes Incorporated) - Conditional Recommendation for Current-Limited Applications

This part is suitable only for applications where the required drain current does not exceed 1.7A. The lower continuous current rating (1.7A vs. 1.9A) and higher Rds On (390 mOhm vs. 300 mOhm) result in increased on-state power dissipation. The lower gate charge (5.9 nC vs. 20 nC) provides faster switching characteristics. ROHS3 Compliance and Active product status are confirmed. Package compatibility with TO-261-4 and TO-261AA footprints is maintained. This substitution requires circuit analysis to confirm that maximum drain current does not exceed 1.7A and that increased Rds On does not violate thermal or efficiency requirements.

Frequently Asked Questions (FAQ)

Q1: Can BSP171PH6327XTSA1 be used as a direct replacement for BSP171PE6327T?

Yes. BSP171PH6327XTSA1 is a parametric equivalent with identical electrical specifications, voltage ratings, current ratings, and thermal characteristics. The only differences are product status (Active vs. Obsolete) and packaging format (Cut Tape & Digi-Reel availability). No circuit modifications are required.

Q2: What is the key difference between NDT2955 and the main part?

NDT2955 provides higher continuous drain current (2.5A vs. 1.9A) and increased power dissipation capability (3W vs. 1.8W). The on-state resistance remains identical at 300 mOhm. This part is suitable for applications where the BSP171PE6327T operates below its maximum current rating, providing additional design margin.

Q3: Why does ZXMP6A13GTA have different electrical specifications?

ZXMP6A13GTA is a functional equivalent designed for lower-current applications. It features lower continuous drain current (1.7A vs. 1.9A) and higher on-state resistance (390 mOhm vs. 300 mOhm). This part is suitable only when circuit analysis confirms that maximum drain current does not exceed 1.7A.

Q4: Are all substitute parts RoHS compliant?

Yes. BSP171PH6327XTSA1, NDT2955, and ZXMP6A13GTA are all ROHS3 Compliant. The main part (BSP171PE6327T) RoHS status is not specified in the provided data.

Q5: Do the substitute parts have the same package footprint?

BSP171PH6327XTSA1 uses PG-SOT223-4 packaging, identical to the main part. NDT2955 and ZXMP6A13GTA use SOT-223-4 and SOT-223-3 packaging respectively. All three are compatible with TO-261-4 and TO-261AA footprints, but physical pin configurations may differ. PCB layout verification is required before substitution.

Q6: What is the operating temperature range for all parts?

All substitute parts operate across the same temperature range as the main part: -55°C to 150°C (TJ). No thermal design modifications are required based on operating temperature specifications.

Q7: Which substitute part should be selected for new designs?

BSP171PH6327XTSA1 is recommended for new designs as the direct parametric equivalent with Active product status and confirmed long-term availability. This part requires no design changes and provides identical performance characteristics.

Q8: Can ZXMP6A13GTA be used in all applications where BSP171PE6327T is used?

No. ZXMP6A13GTA is suitable only for applications where the required drain current does not exceed 1.7A. Circuit analysis must confirm that maximum drain current requirements and thermal dissipation limits are satisfied before substitution.

Q9: What compliance certifications apply to all substitute parts?

All substitute parts carry REACH Unaffected status and EAR99 ECCN classification, identical to the main part. HTSUS code 8541.29.0095 applies to all parts. All substitute parts are ROHS3 Compliant.

Q10: Is gate charge an important consideration when selecting a substitute?

Gate charge affects switching speed and driver circuit requirements. BSP171PH6327XTSA1 has identical gate charge (20 nC). NDT2955 has lower gate charge (15 nC), enabling faster switching. ZXMP6A13GTA has significantly lower gate charge (5.9 nC), providing the fastest switching characteristics. If the circuit uses a current-limited gate driver, lower gate charge may reduce switching losses but does not affect compatibility.

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