BAS40LP-7-2477 Equivalent & Substitute Parts

Part Overview

The BAS40LP-7-2477 is a Schottky diode rated for 40 V DC reverse voltage and 200 mA average rectified current in a surface mount 0402 (1006 Metric) package. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing design and procurement requirements. The part is RoHS3 compliant and REACH unaffected, suitable for applications requiring small signal rectification with fast switching characteristics.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	200 mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 40 mA
Reverse Recovery Time (trr)	5 ns
Current - Reverse Leakage @ Vr	200 nA @ 30 V
Capacitance @ Vr, F	2.3 pF @ 0V, 1MHz
Package / Case	0402 (1006 Metric)
Mounting Type	Surface Mount
Technology	Schottky
Operating Temperature - Junction	-55°C ~ 150°C

Substitute Part Grouping Explanation

Substitution of the obsolete BAS40LP-7-2477 is based on electrical and mechanical parameter equivalence. The primary substitute is BAS40LP-7, which maintains identical specifications across all critical parameters: 40 V reverse voltage rating, 200 mA average rectified current, 1 V forward voltage at 40 mA, 5 ns reverse recovery time, 200 nA reverse leakage current at 30 V, and 2.3 pF capacitance. Both parts utilize Schottky technology in the 0402 (1006 Metric) surface mount package with X1-DFN1006-2 supplier device packaging.

The key parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): 40 V
Current - Average Rectified (Io): 200 mA
Voltage - Forward (Vf) (Max) @ If: 1 V @ 40 mA
Reverse Recovery Time (trr): 5 ns
Package / Case: 0402 (1006 Metric)
Mounting Type: Surface Mount
Technology: Schottky

Parameter Comparison

Parameter	BAS40LP-7-2477 (Main Part)	BAS40LP-7 (Substitute)
Manufacturer	Diodes Incorporated	Diodes Incorporated
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V	40 V
Current - Average Rectified (Io)	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 40 mA	1 V @ 40 mA
Reverse Recovery Time (trr)	5 ns	5 ns
Current - Reverse Leakage @ Vr	200 nA @ 30 V	200 nA @ 30 V
Capacitance @ Vr, F	2.3 pF @ 0V, 1MHz	2.3 pF @ 0V, 1MHz
Package / Case	0402 (1006 Metric)	0402 (1006 Metric)
Supplier Device Package	X1-DFN1006-2	X1-DFN1006-2
Mounting Type	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 125°C
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
Packaging	-	Tape & Reel (TR)

Engineering Selection Recommendations

The BAS40LP-7 is the direct equivalent for the obsolete BAS40LP-7-2477. Both parts are manufactured by Diodes Incorporated and share identical electrical characteristics and package specifications. The BAS40LP-7 is currently in active production status with substantial inventory availability (155,400 pieces), ensuring supply chain continuity.

Both parts maintain RoHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current manufacturing standards. The BAS40LP-7 is supplied in Tape & Reel (TR) packaging format, standard for production environments.

The operating temperature range of the BAS40LP-7 extends to -55°C minimum and 125°C maximum junction temperature, compared to the main part's 150°C maximum. This represents a 25°C reduction in the upper temperature limit. Applications operating within the -55°C to 125°C range encounter no thermal performance differences between the two parts.

Frequently Asked Questions (FAQ)

Q: Can BAS40LP-7 directly replace BAS40LP-7-2477 in existing designs?

A: Yes. The BAS40LP-7 provides electrical and mechanical equivalence across all specified parameters including voltage rating, current capacity, forward voltage characteristics, reverse recovery time, and package configuration. Both parts utilize identical Schottky technology in the 0402 (1006 Metric) surface mount package.

Q: What is the primary difference between these parts?

A: The BAS40LP-7-2477 is obsolete, while BAS40LP-7 is active production. The BAS40LP-7 operates to a maximum junction temperature of 125°C versus 150°C for the main part. Applications within the -55°C to 125°C operating range experience no functional differences.

Q: Are there packaging differences?

A: The BAS40LP-7 is supplied in Tape & Reel (TR) format, standard for automated assembly. The main part packaging specification was not provided. Both parts use the X1-DFN1006-2 supplier device package in 0402 (1006 Metric) case size.

Q: Do both parts meet current compliance standards?

A: Yes. Both BAS40LP-7-2477 and BAS40LP-7 are RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Q: What is the inventory status of the substitute part?

A: BAS40LP-7 has 155,400 pieces in stock as new original inventory, providing immediate availability for procurement and production requirements.

Q: Are there any electrical performance differences in typical operating conditions?

A: No. Both parts maintain identical specifications for reverse voltage (40 V), rectified current (200 mA), forward voltage (1 V @ 40 mA), reverse recovery time (5 ns), reverse leakage current (200 nA @ 30 V), and capacitance (2.3 pF @ 0V, 1MHz) across their respective operating temperature ranges.

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