DZ2J09100L Equivalent & Substitute Parts

Part Overview

The DZ2J09100L is a Zener diode manufactured by Panasonic Electronic Components, rated at 9.1 V nominal voltage with 200 mW maximum power dissipation in a surface mount SMini2-F5-B package. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing design requirements and production needs. Substitute Zener diodes must maintain electrical compatibility across voltage regulation, power handling, and thermal characteristics while accommodating available packaging and supplier options.

Substiute Parts

DZ2J09100L

Panasonic Electronic ComponentsIn Stock: 2054DZ2J09100L Datasheet

Current PartRFQ

PZU9.1B,115

Nexperia USA Inc.In Stock: 3844PZU9.1B,115 Datasheet

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UDZVFHTE-179.1B

Rohm SemiconductorIn Stock: 2829UDZVFHTE-179.1B Datasheet

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UDZVTE-179.1B

Rohm SemiconductorIn Stock: 17563UDZVTE-179.1B Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute Zener diodes for the DZ2J09100L are selected based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

• Voltage - Zener (Nom): 9.1 V (exact match required)
• Mounting Type: Surface Mount (required for PCB compatibility)
• Package / Case: SC-90, SOD-323F (physical and electrical interface compatibility)
• Moisture Sensitivity Level: 1 (Unlimited) (handling and storage compatibility)

Secondary Compatibility Parameters:

• Power - Max: Equal to or greater than 200 mW (allows higher power ratings as direct substitutes)
• Tolerance: ±5% or tighter (ensures voltage regulation performance)
• Impedance (Max): Specified value range (affects circuit response characteristics)
• Current - Reverse Leakage @ Vr: Specified at 6 V (affects circuit standby performance)

All substitute parts maintain the 9.1 V nominal Zener voltage, surface mount configuration, and SOD-323F package geometry. Substitutes with higher power ratings (310 mW) or improved tolerance specifications (±2.09%) provide enhanced performance margins while remaining functionally compatible with the original design.

Parameter Comparison

Engineering Selection Recommendations

PZU9.1B,115 (Nexperia USA Inc.): This substitute provides 310 mW maximum power dissipation, exceeding the original 200 mW specification. The part is currently active in production with AEC-Q100 automotive qualification. Operating temperature range of -65°C to 150°C supports extended thermal environments. Lower impedance (10 Ohms) improves circuit response characteristics. ROHS3 compliance and REACH unaffected status satisfy current regulatory requirements. Suitable for applications requiring enhanced thermal margin and automotive-grade reliability.

UDZVFHTE-179.1B (Rohm Semiconductor): This substitute maintains the original 200 mW power rating with improved voltage tolerance of ±2.09% compared to the original ±5%. AEC-Q101 automotive qualification and ROHS3 compliance are provided. Maximum operating temperature of 150°C (TJ) supports standard industrial applications. Higher impedance (30 Ohms) compared to the original specification requires circuit evaluation. Active production status ensures availability. Suitable for applications prioritizing voltage regulation accuracy.

UDZVTE-179.1B (Rohm Semiconductor): This substitute maintains the original 200 mW power rating and matches the impedance specification of UDZVFHTE-179.1B at 30 Ohms. Operating temperature range of -55°C to 150°C provides standard industrial coverage. ROHS3 compliance and REACH unaffected status satisfy regulatory requirements. Highest inventory availability (17,458 pieces) among all substitutes. Active production status ensures long-term supply continuity. Suitable for cost-optimized applications with standard thermal requirements.

Frequently Asked Questions (FAQ)

Q: Can PZU9.1B,115 be used as a direct replacement for DZ2J09100L?

A: Yes. Both components share identical 9.1 V nominal Zener voltage, surface mount configuration, and SOD-323F package geometry. The higher 310 mW power rating of PZU9.1B,115 provides additional thermal margin without affecting circuit function. Impedance difference (10 Ohms vs. 20 Ohms) may improve circuit response characteristics.

Q: What is the difference between UDZVFHTE-179.1B and UDZVTE-179.1B?

A: Both parts are manufactured by Rohm Semiconductor with identical electrical specifications: 9.1 V nominal voltage, 200 mW power rating, and 30 Ohms impedance. UDZVFHTE-179.1B specifies ±2.09% voltage tolerance and AEC-Q101 qualification. UDZVTE-179.1B does not specify tolerance and lacks automotive qualification. UDZVTE-179.1B offers significantly higher inventory availability.

Q: Are all substitute parts compatible with the original SMini2-F5-B package footprint?

A: All substitute parts use the SC-90 or SOD-323F package designation, which is physically compatible with the original SMini2-F5-B footprint. Surface mount configuration and pin spacing remain consistent across all listed substitutes.

Q: What is the impact of impedance differences on circuit performance?

A: Impedance (Zzt) affects the dynamic response of the Zener diode under transient conditions. The original DZ2J09100L specifies 20 Ohms maximum impedance. PZU9.1B,115 provides lower impedance (10 Ohms), improving transient response. UDZVFHTE-179.1B and UDZVTE-179.1B specify higher impedance (30 Ohms), which may increase transient overshoot. Circuit evaluation is necessary to confirm performance in applications with stringent transient requirements.

Q: Do all substitutes meet RoHS compliance requirements?

A: Yes. All substitute parts carry ROHS3 compliance certification. The original DZ2J09100L is RoHS Compliant. All substitutes exceed the original compliance level with ROHS3 status, ensuring compatibility with current environmental regulations.

Q: Which substitute offers the best long-term supply availability?

A: UDZVTE-179.1B provides the highest inventory level at 17,458 pieces in stock and maintains active production status. This part offers the strongest supply continuity for ongoing production requirements.