SPB47N10L N-Channel 100V 47A MOSFET Equivalent & Substitute Parts

Part Overview

The SPB47N10L is an N-Channel 100V 47A surface mount MOSFET manufactured by Infineon Technologies in the SIPMOS® series. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements. The part is housed in a PG-TO263-3-2 package (D2PAK configuration) and is rated for 175W maximum power dissipation at the case temperature.

Due to its obsolete status, equivalent substitute parts from active product lines are required to maintain design continuity and ensure long-term component availability. Substitutes must maintain electrical compatibility across drain-source voltage, continuous drain current, on-resistance characteristics, and thermal performance parameters.

Key Parameters

Parameter	Value	Unit	Specification Condition
Drain to Source Voltage (Vdss)	100	V	Maximum rating
Continuous Drain Current (Id) @ 25°C	47	A	Tc (case temperature)
On-Resistance (Rds On Max)	26	mOhm	@ 33A, 10V Vgs
Gate Threshold Voltage (Vgs(th) Max)	2	V	@ 2mA Id
Gate Charge (Qg Max)	135	nC	@ 10V Vgs
Input Capacitance (Ciss Max)	2500	pF	@ 25V Vds
Power Dissipation (Max)	175	W	Tc
Operating Temperature Range	-55 to 175	°C	Tj
Package Type	TO-263-3 (D2PAK)	-	Surface mount
RoHS Status	Non-compliant	-	-

Substitute Part Grouping Explanation

Substitution of the SPB47N10L is determined by strict equivalence across the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-Source Voltage (Vdss): Must equal 100V
Continuous Drain Current (Id @ 25°C): Must be ≥47A
Package Type: Must be TO-263-3 (D2PAK) surface mount configuration
Operating Temperature Range: Must support -55°C to 175°C minimum
On-Resistance (Rds On): Must not exceed 26mOhm at specified gate voltage conditions

Secondary Compatibility Parameters:

Gate Threshold Voltage (Vgs(th)): Acceptable range 2V to 4V @ 1mA to 2mA
Gate Charge (Qg): Acceptable range 23.8nC to 135nC @ 10V
Input Capacitance (Ciss): Acceptable range 1201pF to 4360pF @ 25V to 50V Vds
Power Dissipation: Minimum 86W (Tc) acceptable for lower current applications

Substitute parts are grouped into two categories: Direct Current Equivalents (47A ±1A) and Higher Current Alternatives (>47A) suitable for applications with thermal margin requirements. All substitutes maintain the D2PAK package footprint and electrical interface compatibility.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On Max (mOhm)	Vgs(th) Max (V)	Qg Max (nC)	Ciss Max (pF)	Pd Max (W)	Status	RoHS
SPB47N10L	Infineon	100	47	26	2	135	2500	175	Obsolete	Non-compliant
PHB47NQ10T,118	Nexperia	100	47	28	4	66	3100	166	Active	ROHS3
PHB45NQ10T,118	Nexperia	100	47	25	4	61	2600	150	Active	ROHS3
BUK9629-100B,118	Nexperia	100	46	27	2	33	4360	157	Active	ROHS3
BUK7626-100B,118	Nexperia	100	49	26	4	38	2891	157	Obsolete	ROHS3
PSMN016-100BS,118	Nexperia	100	57	16	4	49	2404	148	Active	ROHS3
PSMN034-100BS,118	Nexperia	100	32	34.5	4	23.8	1201	86	Active	ROHS3
RSJ400N10TL	Rohm	100	40	27	2.5	90	3600	50	Active	ROHS3
SQM40N10-30_GE3	Vishay	100	40	30	3.5	62	3345	107	Active	ROHS3
STB40NF10LT4	STMicroelectronics	100	40	33	2.5	64	2300	150	Active	ROHS3

Engineering Selection Recommendations

Tier 1 - Direct Current Equivalents (Recommended Primary Substitutes):

PHB47NQ10T,118 and PHB45NQ10T,118 from Nexperia are the primary recommended substitutes. Both devices maintain 47A continuous drain current rating, equivalent 100V Vdss, and D2PAK package compatibility. PHB47NQ10T,118 provides 166W power dissipation (closest to original 175W), while PHB45NQ10T,118 offers superior on-resistance (25mOhm vs. 26mOhm original). Both parts carry ROHS3 compliance and active product status, ensuring long-term availability and regulatory alignment.

BUK9629-100B,118 (Nexperia, Active) provides 46A continuous current with 27mOhm on-resistance and 157W power dissipation. This part qualifies for automotive applications with AEC-Q101 certification and represents an alternative within the direct current equivalency range.

Tier 2 - Higher Current Alternatives (Thermal Margin Applications):

PSMN016-100BS,118 (Nexperia, Active) delivers 57A continuous current with superior 16mOhm on-resistance, providing thermal margin for applications requiring reduced power dissipation. This part is suitable for designs where lower on-resistance improves efficiency.

Tier 3 - Lower Current Alternatives (Reduced Thermal Load):

PSMN034-100BS,118 (Nexperia, Active) provides 32A continuous current with 34.5mOhm on-resistance and 86W power dissipation. This part is applicable only to applications where the original 47A rating exceeds actual circuit requirements.

Tier 4 - Alternative Manufacturers (40A Current Class):

RSJ400N10TL (Rohm, Active), SQM40N10-30_GE3 (Vishay, Active), and STB40NF10LT4 (STMicroelectronics, Active) represent 40A alternatives from alternative manufacturers. These parts maintain 100V Vdss and D2PAK packaging but operate at reduced continuous current. Selection from this tier requires circuit-level current margin analysis.

Compliance Considerations:

All recommended substitutes carry ROHS3 compliance status, addressing regulatory requirements absent in the original SPB47N10L (RoHS non-compliant). All parts maintain MSL 1 (Unlimited) moisture sensitivity classification and REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q1: Can PHB47NQ10T,118 directly replace SPB47N10L in existing PCB designs?

Yes. PHB47NQ10T,118 maintains identical D2PAK (TO-263-3) package footprint, pinout configuration, and electrical interface. The part operates within the same -55°C to 175°C temperature range and supports equivalent gate drive voltages (10V). No PCB layout modifications are required.

Q2: What is the primary difference between PHB47NQ10T,118 and PHB45NQ10T,118?

Both parts deliver 47A continuous current at 100V Vdss. PHB47NQ10T,118 provides 166W power dissipation with 28mOhm on-resistance, while PHB45NQ10T,118 offers 150W power dissipation with superior 25mOhm on-resistance. Selection depends on thermal design requirements: PHB47NQ10T,118 for higher power budgets, PHB45NQ10T,118 for efficiency-critical applications.

Q3: Why is PSMN016-100BS,118 listed as a substitute if it provides 57A instead of 47A?

PSMN016-100BS,118 qualifies as a substitute because it exceeds the minimum current requirement (47A) while maintaining 100V Vdss and D2PAK packaging. The higher 57A rating provides thermal margin and improved efficiency through lower 16mOhm on-resistance. This part is suitable for applications where the original 47A rating includes design margin.

Q4: Can lower current alternatives like PSMN034-100BS,118 (32A) be used?

PSMN034-100BS,118 is not recommended as a direct substitute. The 32A continuous current rating falls below the original 47A specification. This part is applicable only if circuit analysis confirms that actual operating current never exceeds 32A under any condition, including transient events and worst-case scenarios.

Q5: What is the significance of RoHS compliance differences?

The original SPB47N10L is RoHS non-compliant, while all recommended substitutes carry ROHS3 compliance. This difference is significant for new designs and applications subject to RoHS regulations (EU Directive 2011/65/EU). Existing designs using SPB47N10L may continue operation, but new production should transition to ROHS3-compliant alternatives.

Q6: Are automotive-grade alternatives available?

Yes. BUK9629-100B,118 (Nexperia) carries AEC-Q101 automotive qualification and is rated for automotive applications. This part provides 46A continuous current, 27mOhm on-resistance, and 157W power dissipation in a D2PAK package. Selection of automotive-qualified parts is required for automotive end-use applications.

Q7: How do gate charge differences affect circuit design?

The original SPB47N10L specifies 135nC gate charge @ 10V, while substitutes range from 23.8nC to 90nC. Lower gate charge (BUK9629-100B,118 at 33nC) reduces gate drive power and improves switching speed. Higher gate charge (RSJ400N10TL at 90nC) requires higher gate drive current but may provide improved noise immunity. Gate drive circuit design must accommodate the selected part's gate charge specification.

Q8: What packaging considerations apply to all substitutes?

All recommended substitutes use TO-263-3 (D2PAK) surface mount packaging with identical pinout: Gate (pin 1), Drain (pin 2, tab), Source (pin 3). PCB footprints are interchangeable. Thermal interface requirements (solder pad area, thermal vias) remain consistent across all substitutes.

Q9: Which substitute offers the best on-resistance performance?

PSMN016-100BS,118 provides the lowest on-resistance at 16mOhm @ 15A, 10V Vgs. This superior performance reduces conduction losses and power dissipation, making it optimal for efficiency-critical applications. However, this part operates at 57A continuous current, exceeding the original 47A specification.

Q10: Are there supply chain advantages to selecting specific manufacturers?

Nexperia parts (PHB47NQ10T,118, PHB45NQ10T,118, BUK9629-100B,118, PSMN016-100BS,118, PSMN034-100BS,118) demonstrate higher inventory levels (5,904 to 17,174 pieces) compared to Rohm (RSJ400N10TL: 3,100 pieces), Vishay (SQM40N10-30_GE3: 1,704 pieces), and STMicroelectronics (STB40NF10LT4: 1,572 pieces). Nexperia substitutes offer superior long-term availability for production continuity.

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