Equivalent & Substitute Parts for IPP65R310CFDXKSA1

Part Overview

The IPP65R310CFDXKSA1 is an N-Channel 650V 11.4A MOSFET manufactured by Infineon Technologies in the CoolMOS™ series, housed in a TO-220-3 through-hole package. This device is classified as obsolete product status. Due to its obsolescence, equivalent and substitute parts from active product lines are necessary to maintain design continuity and ensure long-term component availability for new production runs and field replacements.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	650	V
Continuous Drain Current (Id) @ 25°C	11.4	A
On-State Resistance (Rds On) @ 4.4A, 10V	310	mOhm
Gate Threshold Voltage (Vgs(th)) @ 440µA	4.5	V
Gate Charge (Qg) @ 10V	41	nC
Power Dissipation (Max)	104.2	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-220-3	Through Hole
FET Type	N-Channel
Technology	MOSFET (Metal Oxide)

Substitute Part Grouping Explanation

Substitution eligibility for the IPP65R310CFDXKSA1 is determined by the following critical parameters:

Primary Matching Criteria:

Drain to Source Voltage (Vdss): 600V minimum to 700V maximum
Continuous Drain Current (Id): 8.5A minimum to 13A maximum
On-State Resistance (Rds On): 300mOhm to 430mOhm range
Package Type: TO-220-3 through-hole configuration
FET Type: N-Channel
Technology: MOSFET (Metal Oxide)
Operating Temperature Range: -55°C to 150°C minimum

Secondary Compatibility Factors:

Gate Charge (Qg): 19nC to 41nC
Gate Threshold Voltage (Vgs(th)): 3.5V to 5V
Input Capacitance (Ciss): 790pF to 1100pF
RoHS3 Compliance
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories: direct equivalents from active product lines (IPP65R310CFDXKSA2) and functional alternatives with comparable electrical performance across the specified voltage and current ranges.

Parameter Comparison

Parameter	IPP65R310CFDXKSA1 (Main)	IPP65R310CFDXKSA2	IXKP13N60C5	IXTP12N70X2M	STP12N65M5	STP13NM60N	STP15N65M5
Vdss (V)	650	650	600	700	650	600	650
Id @ 25°C (A)	11.4	11.4	13	12	8.5	11	11
Rds On @ 10V (mOhm)	310	310	300	300	430	360	340
Vgs(th) (V)	4.5	4.5	3.5	4.5	5	4	5
Qg @ 10V (nC)	41	41	30	19	22	30	22
Ciss @ 100V (pF)	1100	1100	1100	960	900	790	810
Power Dissipation (W)	104.2	104.2	Not Specified	40	70	90	125
Operating Temp Range (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	TO-220-3	TO-220-3	TO-220-3	TO-220-3 Isolated Tab	TO-220-3	TO-220-3	TO-220-3
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS3 Compliance	Yes	Yes	Yes	Yes	Yes	Yes	Yes

Engineering Selection Recommendations

Tier 1 - Direct Equivalent (Recommended Primary Choice):

IPP65R310CFDXKSA2 is the manufacturer-recommended direct equivalent. This part maintains identical electrical specifications (650V, 11.4A, 310mOhm Rds On) and is from the same Infineon CoolMOS™ CFD2 series. The primary distinction is product status: IPP65R310CFDXKSA2 is active with 1479 units in stock, ensuring long-term availability. Packaging is specified as Tube format. This part is suitable for direct pin-for-pin replacement in all applications where the original IPP65R310CFDXKSA1 was used.

Tier 2 - Functional Equivalents (Alternative Options):

STP15N65M5 (STMicroelectronics MDmesh™ V series) provides the closest performance match among alternatives. It maintains 650V Vdss, delivers 11A continuous drain current (within 3.5% of original), and offers 340mOhm Rds On with superior power dissipation capability (125W vs. 104.2W). This part is active with 1325 units in stock.

STP13NM60N (STMicroelectronics MDmesh™ II series) operates at 600V Vdss with 11A drain current and 360mOhm Rds On. This part is suitable for applications where 50V voltage margin reduction is acceptable. It is active with 8974 units in stock, providing excellent availability.

IXKP13N60C5 (IXYS CoolMOS™ series) operates at 600V with 13A drain current and 300mOhm Rds On. This part offers lower on-state resistance and higher current capability, making it suitable for applications requiring improved efficiency. It is active with 817 units in stock.

IXTP12N70X2M (IXYS Ultra X2 series) operates at 700V with 12A drain current and 300mOhm Rds On. This part features an isolated tab package variant and significantly lower gate charge (19nC), making it suitable for high-frequency switching applications. It is active with 708 units in stock.

STP12N65M5 (STMicroelectronics MDmesh™ V series) operates at 650V with 8.5A drain current and 430mOhm Rds On. This part is suitable only for applications where current requirements do not exceed 8.5A. It is active with 15365 units in stock, providing maximum availability.

All substitute parts maintain RoHS3 compliance, MSL Level 1 (Unlimited), and operating temperature range of -55°C to 150°C, ensuring regulatory and environmental compatibility with the original part.

Frequently Asked Questions (FAQ)

Q1: Can IPP65R310CFDXKSA2 be used as a direct replacement for IPP65R310CFDXKSA1?

Yes. IPP65R310CFDXKSA2 is the manufacturer-recommended direct equivalent with identical electrical specifications: 650V Vdss, 11.4A continuous drain current, and 310mOhm Rds On. Both parts use TO-220-3 through-hole packaging. The primary difference is product status: IPP65R310CFDXKSA2 is active, while IPP65R310CFDXKSA1 is obsolete. No circuit modifications are required.

Q2: What are the key differences between the Infineon CoolMOS™ CFD2 (IPP65R310CFDXKSA2) and STMicroelectronics MDmesh™ alternatives?

Both technology families are N-Channel MOSFETs designed for high-voltage switching applications. The primary differences are gate charge characteristics and on-state resistance profiles. Infineon CoolMOS™ CFD2 maintains 41nC gate charge at 10V, while STMicroelectronics MDmesh™ V series (STP15N65M5) reduces this to 22nC. Lower gate charge reduces switching losses in high-frequency applications. On-state resistance varies: Infineon maintains 310mOhm, while STMicroelectronics MDmesh™ V offers 340mOhm. Both families meet RoHS3 compliance and operate across -55°C to 150°C.

Q3: Which substitute part is recommended for applications requiring maximum current capability?

IXKP13N60C5 provides the highest continuous drain current at 13A, representing a 14% increase over the original 11.4A specification. This part operates at 600V Vdss (50V lower than the original) with 300mOhm Rds On. Selection of this part requires verification that the 600V voltage rating is acceptable for the application's maximum operating voltage.

Q4: Are there substitutes suitable for high-frequency switching applications?

IXTP12N70X2M is optimized for high-frequency operation, featuring significantly lower gate charge (19nC vs. 41nC in the original part). This 54% reduction in gate charge decreases switching losses and enables higher switching frequencies. This part operates at 700V Vdss with 12A drain current and 300mOhm Rds On. The isolated tab package variant provides additional thermal and electrical isolation benefits.

Q5: What is the impact of selecting a substitute with lower drain current rating?

STP12N65M5 operates at 8.5A continuous drain current, approximately 25% below the original 11.4A specification. This part is suitable only for applications where the maximum required drain current does not exceed 8.5A. Using this part in applications requiring higher current will result in thermal stress, reduced device lifetime, and potential failure. Verify application current requirements before selection.

Q6: How do voltage rating differences affect substitute part selection?

The original IPP65R310CFDXKSA1 operates at 650V Vdss. Substitutes range from 600V to 700V. Parts rated at 600V (IXKP13N60C5, STP13NM60N) reduce the voltage safety margin by 50V and are suitable only for applications where maximum operating voltage does not exceed 600V. Parts rated at 700V (IXTP12N70X2M) provide additional voltage margin. Verify application maximum voltage requirements before selecting a substitute with different Vdss rating.

Q7: What packaging considerations apply to these substitute parts?

All substitute parts use TO-220-3 through-hole packaging, maintaining mechanical compatibility with the original IPP65R310CFDXKSA1. IXTP12N70X2M features an isolated tab variant, which provides electrical isolation between the tab and the drain connection. This variant is beneficial in applications requiring isolated heat sinking. Standard TO-220-3 packages (all other substitutes) have the tab electrically connected to the drain. Verify PCB layout and thermal management requirements before selecting the isolated tab variant.

Q8: Are all substitute parts RoHS3 compliant?

Yes. All substitute parts listed (IPP65R310CFDXKSA2, IXKP13N60C5, IXTP12N70X2M, STP12N65M5, STP13NM60N, STP15N65M5) are RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q9: Which substitute offers the best thermal performance?

STP15N65M5 provides the highest power dissipation rating at 125W (Tc), compared to the original 104.2W specification. This 20% increase in power dissipation capability allows for improved thermal headroom in applications with high switching frequency or continuous conduction. This part maintains 650V Vdss and 11A drain current, making it suitable for direct substitution in thermally demanding applications.

Q10: What is the inventory status of each substitute part?

IPP65R310CFDXKSA2: 1479 units in stock. STP15N65M5: 1325 units. IXKP13N60C5: 817 units. IXTP12N70X2M: 708 units. STP13NM60N: 8974 units (highest availability). STP12N65M5: 15365 units (maximum availability). All parts are new original stock. For applications requiring immediate availability, STP12N65M5 and STP13NM60N offer the largest inventory quantities.

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