BYG10M-M3/TR Equivalent & Substitute Parts

Part Overview

The BYG10M-M3/TR is an avalanche diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 1000 V DC reverse voltage and 1.5 A average rectified current in a surface mount DO-214AC (SMA) package. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance is required due to inventory constraints, supply chain discontinuity, or packaging format preferences while maintaining functional compatibility in the application circuit.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	1000	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.15 @ 1.5	V @ A
Reverse Recovery Time (trr)	4	µs
Current - Reverse Leakage @ Vr	1	µA @ 1000 V
Technology	Avalanche	—
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the BYG10M-M3/TR is determined by strict equivalence in the following critical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 1000 V minimum
Current - Average Rectified (Io): 1.5 A minimum
Package / Case: DO-214AC (SMA) surface mount
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Substitute Classification:

Parametric Equivalents (Vishay BYG10 Series): Parts BYG10M-E3/TR and BYG10M-E3/TR3 maintain identical electrical specifications and technology (Avalanche) with variation only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). These are direct functional replacements.

Manufacturer Recommended Alternatives (STMicroelectronics): Parts STTH110A and STTH108A are classified as manufacturer-recommended substitutes. These parts operate at reduced current ratings (1 A versus 1.5 A) and employ Standard technology rather than Avalanche technology. STTH110A matches the 1000 V reverse voltage specification; STTH108A operates at 800 V. These substitutes are applicable only in applications where the 1.5 A current requirement can be reduced to 1 A and where Standard recovery characteristics are acceptable.

Parameter Comparison

Parameter	BYG10M-M3/TR	BYG10M-E3/TR	BYG10M-E3/TR3	STTH110A	STTH108A
Manufacturer	Vishay	Vishay	Vishay	STMicroelectronics	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	1000 V	1000 V	1000 V	1000 V	800 V
Current - Average Rectified (Io)	1.5 A	1.5 A	1.5 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 1.5 A	1.15 V @ 1.5 A	1.15 V @ 1.5 A	1.7 V @ 1 A	1.65 V @ 1 A
Reverse Recovery Time (trr)	4 µs	4 µs	4 µs	75 ns	75 ns
Current - Reverse Leakage @ Vr	1 µA @ 1000 V	1 µA @ 1000 V	1 µA @ 1000 V	10 µA @ 1000 V	5 µA @ 800 V
Technology	Avalanche	Avalanche	Avalanche	Standard	Standard
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Packaging Format	Tape & Reel (TR)	Cut Tape & Digi-Reel®	Tape & Reel (TR)	Cut Tape & Digi-Reel®	Cut Tape & Digi-Reel®
Operating Temperature - Junction (Max)	150°C	150°C	150°C	175°C	175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalents):

BYG10M-E3/TR and BYG10M-E3/TR3 are direct functional replacements for BYG10M-M3/TR. All electrical parameters, technology classification (Avalanche), and compliance certifications are identical. Selection between these three parts is determined solely by packaging format availability: BYG10M-M3/TR and BYG10M-E3/TR3 are supplied in Tape & Reel format; BYG10M-E3/TR is supplied in Cut Tape & Digi-Reel® format. All three parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating.

Conditional Substitution (STMicroelectronics STTH Series):

STTH110A and STTH108A are manufacturer-recommended alternatives applicable only when circuit design permits reduction of average rectified current from 1.5 A to 1 A. STTH110A maintains 1000 V reverse voltage rating and is suitable for applications where the lower current rating is acceptable. STTH108A operates at 800 V reverse voltage and is suitable only for applications where both the 1 A current limit and 800 V voltage limit are compatible with circuit requirements. Both STMicroelectronics parts employ Standard recovery technology (75 ns trr) rather than Avalanche technology (4 µs trr), resulting in faster switching characteristics and higher reverse leakage current. All parts maintain ROHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can BYG10M-E3/TR directly replace BYG10M-M3/TR?

A: Yes. BYG10M-E3/TR is a parametric equivalent with identical electrical specifications, technology type (Avalanche), and compliance certifications. The only difference is packaging format: BYG10M-E3/TR uses Cut Tape & Digi-Reel® while BYG10M-M3/TR uses Tape & Reel. Both are surface mount DO-214AC (SMA) packages suitable for automated assembly.

Q: What is the difference between BYG10M-E3/TR3 and BYG10M-E3/TR?

A: Both parts are parametric equivalents with identical electrical performance. The difference is packaging format: BYG10M-E3/TR3 is supplied in Tape & Reel (TR) format; BYG10M-E3/TR is supplied in Cut Tape & Digi-Reel® format. Selection depends on assembly equipment compatibility and inventory management requirements.

Q: Can STTH110A replace BYG10M-M3/TR?

A: STTH110A is a manufacturer-recommended alternative only for applications where average rectified current can be reduced from 1.5 A to 1 A. STTH110A maintains the 1000 V reverse voltage rating but employs Standard recovery technology (75 ns) instead of Avalanche technology (4 µs). This results in faster switching but higher reverse leakage current (10 µA versus 1 µA at 1000 V). Substitution requires circuit validation.

Q: Can STTH108A replace BYG10M-M3/TR?

A: STTH108A is a manufacturer-recommended alternative only for applications where both average rectified current can be reduced to 1 A and reverse voltage requirement can be reduced to 800 V. STTH108A employs Standard recovery technology with 75 ns reverse recovery time and 5 µA reverse leakage at 800 V. Substitution requires verification that circuit voltage and current requirements are compatible with these reduced ratings.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. BYG10M-M3/TR, BYG10M-E3/TR, BYG10M-E3/TR3, STTH110A, and STTH108A are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. All parts are REACH unaffected.

Q: What is the key difference between Avalanche and Standard recovery technology in these diodes?

A: Avalanche technology (BYG10 series) provides slower recovery time (4 µs) with lower reverse leakage current (1 µA at rated voltage). Standard recovery technology (STTH series) provides faster recovery time (75 ns) with higher reverse leakage current. Technology selection depends on circuit switching speed requirements and power dissipation constraints.

Q: Can I use STTH110A in a 1.5 A application?

A: No. STTH110A is rated for 1 A average rectified current maximum. Using it in a 1.5 A application exceeds the component rating and will result in excessive junction temperature and potential device failure. The application circuit must be redesigned to operate at 1 A or lower, or the original BYG10M-M3/TR must be retained.

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