30WQ10FN Equivalent & Substitute Parts

Part Overview

The 30WQ10FN is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 100 V DC reverse voltage and 3.5 A average rectified current in a Surface Mount TO-252AA (DPAK) package. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain identical electrical performance characteristics and mechanical compatibility to ensure direct replacement capability.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	3.5	A
Voltage - Forward (Vf) (Max) @ If	810 mV @ 3 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	1	mA @ 100 V
Mounting Type	Surface Mount	—
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	—
Operating Temperature - Junction	-40 to 150	°C

Substitute Part Grouping Explanation

Substitute parts for the 30WQ10FN are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io): 3.5 A
Voltage - Forward (Vf) (Max) @ If: 810 mV @ 3 A
Current - Reverse Leakage @ Vr: 1 mA @ 100 V
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Parameters:

Mounting Type: Surface Mount
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
Operating Temperature - Junction: -40°C to 150°C

All substitute parts listed maintain identical electrical ratings and mechanical compatibility. Differences in product status, RoHS compliance, and automotive qualification do not affect functional interchangeability in applications where the 30WQ10FN was originally specified.

Parameter Comparison

Parameter	30WQ10FN	VS-30WQ10FN-M3	VS-30WQ10FNHM3
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V
Current - Average Rectified (Io)	3.5 A	3.5 A	3.5 A
Voltage - Forward (Vf) (Max) @ If	810 mV @ 3 A	810 mV @ 3 A	810 mV @ 3 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 100 V	1 mA @ 100 V	1 mA @ 100 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63
Operating Temperature - Junction	-40 to 150°C	-40 to 150°C	-40 to 150°C
Product Status	Obsolete	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Qualification	—	—	AEC-Q101

Engineering Selection Recommendations

VS-30WQ10FN-M3 is the direct parametric equivalent for general-purpose applications. This part maintains all electrical and mechanical specifications identical to the 30WQ10FN while offering active product status and ROHS3 compliance. Selection of this part is appropriate for standard industrial and consumer applications where automotive qualification is not required.

VS-30WQ10FNHM3 is the recommended selection for automotive and mission-critical applications. This part provides identical electrical and mechanical performance to the 30WQ10FN with the additional benefit of AEC-Q101 automotive qualification and ROHS3 compliance. The automotive-grade qualification ensures compliance with automotive industry reliability and quality standards.

Both substitute parts are manufactured by the same supplier as the original 30WQ10FN, ensuring consistency in manufacturing processes and quality control. The transition from the obsolete 30WQ10FN to either active substitute part does not require circuit redesign or PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can VS-30WQ10FN-M3 and VS-30WQ10FNHM3 be used interchangeably with the 30WQ10FN?

A: Yes. Both substitute parts maintain identical electrical ratings (100 V reverse voltage, 3.5 A average rectified current, 810 mV forward voltage at 3 A) and mechanical compatibility (TO-252-3 DPAK package). Direct substitution is possible without circuit modification.

Q: What is the difference between VS-30WQ10FN-M3 and VS-30WQ10FNHM3?

A: The primary difference is automotive qualification. VS-30WQ10FNHM3 carries AEC-Q101 automotive qualification, making it suitable for automotive applications. Both parts are electrically and mechanically identical and ROHS3 compliant. Selection depends on application requirements.

Q: Why is the 30WQ10FN classified as obsolete?

A: The 30WQ10FN is obsolete and no longer in active production. The active equivalents VS-30WQ10FN-M3 and VS-30WQ10FNHM3 provide continued availability and improved compliance status (ROHS3).

Q: Are there any package or pinout differences between the substitute parts and the original 30WQ10FN?

A: No. All parts use the identical TO-252-3 DPAK (2 Leads + Tab) package with SC-63 designation. Pinout and PCB footprint compatibility is guaranteed.

Q: What is the operating temperature range for these diodes?

A: The junction operating temperature range is -40°C to 150°C for all three parts (30WQ10FN, VS-30WQ10FN-M3, and VS-30WQ10FNHM3).

Q: Do the substitute parts have the same reverse leakage current specification?

A: Yes. All three parts specify 1 mA reverse leakage current at 100 V reverse voltage, ensuring identical leakage performance.

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

A: For new designs, VS-30WQ10FNHM3 is recommended due to active product status, ROHS3 compliance, and AEC-Q101 automotive qualification. For applications without automotive requirements, VS-30WQ10FN-M3 provides equivalent performance with active availability.

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