2M17Z A0G Zener Diode Equivalent & Substitute Parts

Part Overview

The 2M17Z A0G is a 17 V, 2 W Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation and protection applications in through-hole configurations. This component is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical performance is required, inventory availability is constrained, or alternative packaging formats are necessary for manufacturing or design requirements.

Substiute Parts

2M17Z A0G

Taiwan Semiconductor CorporationIn Stock: 12352M17Z A0G Datasheet

Current PartRFQ

1N5354B-TP

Micro Commercial CoIn Stock: 49091N5354B-TP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2M17Z A0G is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

• Zener voltage (Nominal): 17 V ±5% tolerance
• Package type: DO-204AC / DO-15 axial through-hole configuration
• Mounting classification: Through Hole
• Regulatory compliance: RoHS3 Compliant, REACH Unaffected

Secondary Compatibility Factors:

• Power dissipation rating (equal or greater)
• Impedance characteristics (Zzt maximum)
• Reverse leakage current specifications
• Operating temperature range (minimum -55°C to 150°C or higher)

The 1N5354B-TP qualifies as a direct substitute based on matching Zener voltage (17 V), identical tolerance (±5%), compatible package format (DO-15), and equivalent regulatory certifications. The substitute exhibits superior power handling (5 W versus 2 W) and lower impedance (2.5 Ohms versus 9 Ohms), making it suitable for applications requiring the same voltage regulation with enhanced thermal performance.

Parameter Comparison

Engineering Selection Recommendations

2M17Z A0G Selection Criteria:

• Primary choice for applications with strict 2 W power dissipation limits
• Suitable for designs requiring maximum operating temperature to 175°C
• Preferred when higher impedance (9 Ohms) is acceptable or required
• Active product status with confirmed inventory availability (1168 Pcs)

1N5354B-TP Selection Criteria:

• Applicable when power dissipation exceeds 2 W but remains within 5 W envelope
• Suitable for applications with maximum operating temperature requirement of 150°C or lower
• Preferred when lower impedance (2.5 Ohms) improves circuit performance
• Active product status with higher inventory availability (4813 Pcs)
• Available in Cut Tape packaging format for automated assembly processes

Both components maintain full RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across industrial and commercial applications. Selection between these parts depends on thermal design requirements and circuit impedance specifications rather than voltage regulation capability, as both deliver identical 17 V Zener performance.

Frequently Asked Questions (FAQ)

Q: Can the 1N5354B-TP directly replace the 2M17Z A0G in existing circuit designs?

A: Yes, the 1N5354B-TP functions as a direct electrical substitute for the 2M17Z A0G. Both components deliver 17 V Zener voltage with ±5% tolerance and operate in identical DO-15 through-hole packages. Physical footprint compatibility is maintained. The substitute exhibits superior power handling (5 W versus 2 W) and lower impedance (2.5 Ohms versus 9 Ohms), making it suitable for applications where the original part is specified.

Q: What are the key differences between these two Zener diodes?

A: The primary differences are power dissipation rating (2 W versus 5 W), impedance (9 Ohms versus 2.5 Ohms), and maximum operating temperature (175°C versus 150°C). The 1N5354B-TP provides enhanced thermal performance and lower dynamic impedance, while the 2M17Z A0G supports higher junction temperatures. Both maintain identical Zener voltage (17 V) and tolerance (±5%).

Q: Are there packaging format differences between these parts?

A: Both components use DO-15 axial through-hole packages compatible with standard PCB layouts. The 2M17Z A0G is supplied in standard packaging, while the 1N5354B-TP is available in Cut Tape format optimized for automated pick-and-place assembly. Physical dimensions and lead spacing remain identical.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes, both the 2M17Z A0G and 1N5354B-TP are RoHS3 compliant and REACH unaffected. Both carry Moisture Sensitivity Level 1 (Unlimited) classification. Regulatory compliance is equivalent across both components.

Q: Which part should be selected for high-temperature applications?

A: The 2M17Z A0G supports operating temperatures to 175°C, making it the appropriate choice for applications requiring maximum junction temperature above 150°C. The 1N5354B-TP operates to 150°C maximum.

Q: What is the significance of the impedance difference between these parts?

A: Impedance (Zzt) affects dynamic voltage regulation performance. The 1N5354B-TP exhibits lower impedance (2.5 Ohms versus 9 Ohms), resulting in improved voltage stability under load transients. Applications requiring tighter voltage regulation benefit from the lower impedance characteristic of the 1N5354B-TP.