BYG24JHM3_A/I Equivalent & Substitute Parts

Part Overview

The BYG24JHM3_A/I is an avalanche diode rated for 600 V DC reverse voltage with 1.5 A average rectified current, manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component in DO-214AC (SMA) package is designed for fast recovery applications with a reverse recovery time of 140 ns. The part maintains Active product status and carries AEC-Q101 automotive qualification. Substitute parts are identified when equivalent electrical specifications, mechanical packaging, and compliance certifications align with the original component requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.25 @ 1.5	V @ A
Reverse Recovery Time (trr)	140	ns
Current - Reverse Leakage @ Vr	1	µA @ 600 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Package / Case	DO-214AC, SMA	-
Operating Temperature - Junction	-55 to 150	°C
Technology	Avalanche	-
Mounting Type	Surface Mount	-

Substitute Part Grouping Explanation

Substitute parts for the BYG24JHM3_A/I are identified based on strict equivalence across the following critical parameters:

Voltage Rating: DC reverse voltage of 600 V maximum
Current Rating: Average rectified current of 1.5 A
Forward Voltage: 1.25 V maximum at 1.5 A
Recovery Characteristics: Reverse recovery time of 140 ns within fast recovery classification
Reverse Leakage: 1 µA at 600 V
Package: DO-214AC (SMA) surface mount configuration
Technology: Avalanche diode classification
Operating Temperature Range: -55°C to 150°C junction temperature
Compliance: RoHS3 compliance and REACH unaffected status

All substitute parts must maintain identical electrical performance across these parameters and be manufactured by Vishay General Semiconductor - Diodes Division to ensure consistency in design, quality, and supply chain reliability.

Parameter Comparison

Parameter	BYG24JHM3_A/I	BYG24J-E3/TR	Match
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	✓
Current - Average Rectified (Io)	1.5 A	1.5 A	✓
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 1.5 A	1.25 V @ 1.5 A	✓
Reverse Recovery Time (trr)	140 ns	140 ns	✓
Current - Reverse Leakage @ Vr	1 µA @ 600 V	1 µA @ 600 V	✓
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	✓
Package / Case	DO-214AC, SMA	DO-214AC, SMA	✓
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	✓
Technology	Avalanche	Avalanche	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	✓

Engineering Selection Recommendations

The BYG24J-E3/TR is a direct parametric equivalent to the BYG24JHM3_A/I. Both components share identical electrical specifications, mechanical packaging, and compliance certifications. Selection between these parts may be based on availability and packaging format. The BYG24JHM3_A/I is available in Tape & Reel packaging with 1,048 pieces in stock, while the BYG24J-E3/TR is also available in Tape & Reel packaging with 17,800 pieces in stock. Both parts maintain Active product status and carry ROHS3 compliance and REACH unaffected designation, ensuring regulatory compliance for automotive and industrial applications. The BYG24JHM3_A/I carries AEC-Q101 automotive qualification, confirming suitability for automotive-grade applications.

Frequently Asked Questions (FAQ)

Q: Can BYG24J-E3/TR be used as a direct replacement for BYG24JHM3_A/I?

A: Yes. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical parameters including 600 V reverse voltage rating, 1.5 A average rectified current, 1.25 V forward voltage at 1.5 A, and 140 ns reverse recovery time. Both are packaged in DO-214AC (SMA) surface mount configuration and operate across the same temperature range of -55°C to 150°C.

Q: Are there differences in packaging between these parts?

A: Both parts are supplied in Tape & Reel (TR) packaging format suitable for automated assembly. The DO-214AC (SMA) package dimensions and pin configuration are identical between the two parts.

Q: Do both parts meet automotive qualification requirements?

A: The BYG24JHM3_A/I carries AEC-Q101 automotive qualification. Both parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for automotive and industrial applications.

Q: What is the basis for substitution between these parts?

A: Substitution is based on complete equivalence across all provided electrical specifications: reverse voltage rating, average rectified current, forward voltage characteristics, reverse recovery time, reverse leakage current, and operating temperature range. Both parts employ avalanche diode technology and identical surface mount packaging.

Q: Are there inventory considerations when selecting between these parts?

A: The BYG24J-E3/TR has significantly higher inventory availability with 17,800 pieces in stock compared to 1,048 pieces for the BYG24JHM3_A/I. This may influence lead time and supply chain planning decisions.

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