FQD5P10TM P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The FQD5P10TM is a P-Channel MOSFET manufactured by onsemi, rated for 100V drain-to-source voltage with 3.6A continuous drain current at 25°C. The device is housed in a TO-252AA (DPAK) surface mount package and is classified as obsolete. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute devices must maintain electrical compatibility across critical parameters including voltage rating, current capacity, on-resistance characteristics, and thermal performance while accommodating the same or compatible package footprint.

Key Parameters

Parameter	FQD5P10TM Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	100	V
Continuous Drain Current (Id) @ 25°C	3.6	A (Tc)
On-Resistance (Rds On) @ Id, Vgs	1.05 Ω @ 1.8A, 10V	Ω
Gate Threshold Voltage (Vgs(th)) @ Id	4	V @ 250µA
Gate Charge (Qg) @ Vgs	8.2	nC @ 10V
Power Dissipation (Max)	2.5 (Ta), 25 (Tc)	W
Operating Temperature Range	−55 to 150	°C (TJ)
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the FQD5P10TM are grouped based on electrical and mechanical compatibility criteria. The primary substitution logic is structured around the following key parameters:

Electrical Compatibility Criteria:

Drain-to-Source Voltage (Vdss): Minimum 100V required; higher ratings are acceptable
Continuous Drain Current (Id): Minimum 3.6A required; higher ratings provide design margin
On-Resistance (Rds On): Lower values indicate improved performance; values within 1.05Ω to 1.2Ω at comparable test conditions maintain circuit behavior
Gate Threshold Voltage (Vgs(th)): Must be 4V or lower to ensure gate drive compatibility
Maximum Gate Voltage (Vgs): Minimum ±20V required for safe operation

Mechanical Compatibility Criteria:

Package Type: TO-252-3 (DPAK) with 2 leads plus tab
Mounting Type: Surface Mount
Pin Configuration: Compatible with existing PCB layouts

Compliance Criteria:

RoHS3 Compliance: Required
Moisture Sensitivity Level: MSL 1 (Unlimited) preferred
Product Status: Active status preferred for long-term availability

Substitute parts are classified into two categories:

Category 1 – Direct Electrical Equivalents (100V, 3.1A–3.6A range): Parts maintaining the original voltage and current specifications with minimal parameter deviation. These include IRFR9110 variants from Vishay Siliconix.

Category 2 – Enhanced Performance Substitutes (100V, higher current capacity): Parts exceeding the original current rating while maintaining 100V voltage rating, providing improved thermal performance and design margin. These include STD10P10F6 from STMicroelectronics and DMP10H400SK3-13 from Diodes Incorporated.

Category 3 – Higher Voltage Alternatives (150V rating): Parts with elevated voltage ratings suitable for applications requiring additional voltage margin. These include IRFR6215 variants from Infineon Technologies.

Parameter Comparison

Parameter	FQD5P10TM	STD10P10F6	DMP10H400SK3-13	IRFR6215TRPBF	IRFR9110TRPBF	SPD04P10PGBTMA1
Manufacturer	onsemi	STMicroelectronics	Diodes Inc.	Infineon	Vishay Siliconix	Infineon
Vdss (V)	100	100	100	150	100	100
Id @ 25°C (A)	3.6	10	9	13	3.1	4
Rds On (Ω)	1.05 @ 1.8A, 10V	0.18 @ 5A, 10V	0.24 @ 5A, 10V	0.295 @ 6.6A, 10V	1.2 @ 1.9A, 10V	1.0 @ 2.8A, 10V
Vgs(th) @ Id (V)	4 @ 250µA	4 @ 250µA	3 @ 250µA	4 @ 250µA	4 @ 250µA	4 @ 380µA
Qg @ 10V (nC)	8.2	16.5	17.5	66	8.7	12
Ciss @ Vds (pF)	250 @ 25V	864 @ 80V	1239 @ 25V	860 @ 25V	200 @ 25V	319 @ 25V
Power Dissipation (W)	2.5 (Ta), 25 (Tc)	40 (Tc)	42 (Tc)	110 (Tc)	2.5 (Ta), 25 (Tc)	38 (Tc)
Vgs Max (±V)	±30	±20	±20	±20	±20	±20
Operating Temp (°C)	−55 to 150	−55 to 175	−55 to 150	−55 to 175	−55 to 150	−55 to 175
Package	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)
Product Status	Obsolete	Active	Active	Active	Active	Last Time Buy
RoHS3 Compliant	Yes	Yes	Yes	Yes	Yes	Yes

Engineering Selection Recommendations

For Direct Replacement (Electrical Equivalence):

The IRFR9110TRPBF, IRFR9110TRLPBF, and IRFR9110PBF from Vishay Siliconix provide the closest electrical match to the FQD5P10TM. These devices maintain the 100V voltage rating and deliver 3.1A continuous drain current, which is within 86% of the original 3.6A specification. On-resistance values of 1.2Ω at 1.9A and 10V are comparable to the original 1.05Ω specification. Gate threshold voltage remains at 4V, ensuring compatible gate drive requirements. All variants are RoHS3 compliant with MSL 1 rating and active product status. The IRFR9110TRPBF and IRFR9110TRLPBF are available in Tape & Reel packaging, while IRFR9110PBF is supplied in Tube packaging. These parts are suitable for applications where the original current specification is not exceeded and thermal performance is adequate.

For Enhanced Performance (Higher Current Capacity):

The STD10P10F6 from STMicroelectronics and DMP10H400SK3-13 from Diodes Incorporated both maintain the 100V voltage rating while providing significantly higher current capacity (10A and 9A respectively). These devices deliver improved thermal performance with power dissipation ratings of 40W and 42W at Tc, compared to the original 25W. On-resistance values are lower (0.18Ω and 0.24Ω respectively), reducing power losses in switching applications. Both parts are RoHS3 compliant with MSL 1 rating and active product status. STD10P10F6 is available in Cut Tape & Digi-Reel packaging, while DMP10H400SK3-13 is supplied in Cut Tape & Digi-Reel packaging. These substitutes are recommended for new designs or applications requiring improved thermal margin and higher current handling capability.

For Voltage-Elevated Applications:

The IRFR6215TRPBF and IRFR6215TRLPBF from Infineon Technologies provide a 150V drain-to-source voltage rating with 13A continuous drain current. These devices are suitable for applications requiring additional voltage headroom beyond the original 100V specification. Power dissipation reaches 110W at Tc, providing substantial thermal capacity. Gate charge is elevated at 66nC due to the higher voltage rating. Both variants are RoHS3 compliant with MSL 1 rating and active product status. These parts are recommended only when the application circuit requires voltage ratings exceeding 100V.

For Transitional Applications (Last Time Buy Status):

The SPD04P10PGBTMA1 from Infineon Technologies is classified as Last Time Buy and should be considered only for applications requiring extended production runs with existing inventory. This device maintains 100V voltage rating with 4A continuous drain current and 1.0Ω on-resistance. It is RoHS3 compliant with MSL 1 rating. New designs should not incorporate this part due to its limited availability status.

Frequently Asked Questions (FAQ)

Q: Can I use IRFR9110TRPBF as a direct replacement for FQD5P10TM?

A: The IRFR9110TRPBF is electrically compatible with the FQD5P10TM for most applications. Both devices share the same 100V voltage rating, similar on-resistance characteristics (1.2Ω vs. 1.05Ω), and identical gate threshold voltage (4V). The IRFR9110TRPBF delivers 3.1A continuous drain current compared to the original 3.6A, representing a 14% reduction in current capacity. This substitution is suitable for applications where the circuit does not require the full 3.6A specification. Both devices use the TO-252-3 (DPAK) package with identical pin configuration.

Q: What is the difference between STD10P10F6 and DMP10H400SK3-13?

A: Both devices maintain the 100V voltage rating and provide enhanced current capacity compared to the FQD5P10TM. STD10P10F6 delivers 10A continuous drain current with 0.18Ω on-resistance, while DMP10H400SK3-13 delivers 9A with 0.24Ω on-resistance. STD10P10F6 offers lower on-resistance and higher current capacity, resulting in reduced power dissipation and improved thermal performance. DMP10H400SK3-13 has a lower gate threshold voltage (3V vs. 4V), which may require adjustment in gate drive circuits. Both devices use the TO-252-3 (DPAK) package and are RoHS3 compliant. Selection depends on specific current requirements and gate drive voltage availability.

Q: Why do IRFR6215 variants have higher gate charge than other substitutes?

A: The IRFR6215 variants are rated for 150V drain-to-source voltage, compared to 100V for the FQD5P10TM and most other substitutes. Higher voltage ratings require larger die geometry and increased gate oxide thickness to withstand the elevated voltage stress. This results in increased input capacitance and gate charge (66nC vs. 8.2nC for the original). The higher gate charge increases switching losses and requires more robust gate drive circuitry. These devices are suitable only for applications requiring voltage ratings exceeding 100V.

Q: Are all substitute parts available in the same packaging as FQD5P10TM?

A: All listed substitute parts use the TO-252-3 (DPAK) package with identical pin configuration and footprint compatibility. However, packaging formats differ: some are supplied in Cut Tape & Digi-Reel, others in Tape & Reel, and one in Tube format. These packaging differences do not affect electrical compatibility or PCB mounting; they relate only to component handling and assembly processes. Verify packaging availability with your supplier based on production volume and assembly requirements.

Q: What is the significance of the Vgs(th) difference between DMP10H400SK3-13 (3V) and other parts (4V)?

A: Gate threshold voltage (Vgs(th)) defines the gate-source voltage at which the device begins to conduct. DMP10H400SK3-13 has a lower threshold of 3V compared to 4V for most other substitutes. This means DMP10H400SK3-13 turns on at a lower gate voltage, which can be advantageous in low-voltage gate drive circuits but may require verification that existing gate drive circuitry provides sufficient voltage margin. If your circuit is designed for 4V threshold operation, verify that the gate drive voltage exceeds 3V by an adequate margin to ensure reliable switching.

Q: Can I use IRFR6215 variants in place of FQD5P10TM without circuit modification?

A: IRFR6215 variants are electrically compatible at the pin level and use the same TO-252-3 (DPAK) package. However, the 150V voltage rating and significantly higher gate charge (66nC vs. 8.2nC) may require gate drive circuit optimization. The higher gate charge increases switching time and power dissipation in the gate drive stage. If your circuit operates at voltages below 100V, the elevated voltage rating of IRFR6215 provides additional safety margin but does not require circuit modification. Verify that gate drive current capacity is adequate for the increased gate charge.

Q: What is the impact of on-resistance differences on circuit performance?

A: On-resistance (Rds On) directly affects power dissipation and heat generation. Lower on-resistance values reduce conduction losses. STD10P10F6 (0.18Ω) and DMP10H400SK3-13 (0.24Ω) have significantly lower on-resistance than FQD5P10TM (1.05Ω), resulting in reduced power dissipation and improved thermal performance. IRFR9110 variants (1.2Ω) are slightly higher than the original but comparable. In high-frequency switching applications or circuits with sustained current flow, lower on-resistance reduces heat generation and improves efficiency. In low-frequency or pulse applications, the difference may be negligible.

Q: Why is SPD04P10PGBTMA1 marked as Last Time Buy?

A: SPD04P10PGBTMA1 is classified as Last Time Buy, indicating that the manufacturer has announced end-of-life status and will no longer produce this device after a specified date. Existing inventory may be available for a limited time. New designs should not incorporate Last Time Buy components. If your application currently uses SPD04P10PGBTMA1, transition to an active product such as STD10P10F6 or DMP10H400SK3-13 to ensure long-term supply availability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. This ensures compatibility with modern manufacturing processes and environmental regulations. The FQD5P10TM, despite its obsolete status, is also RoHS3 compliant, ensuring that substitution does not introduce compliance issues.

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