Equivalent & Substitute Parts for DZ2S150M0L

Part Overview

The DZ2S150M0L is a 15 V, 150 mW Zener diode manufactured by Panasonic Electronic Components in the SSMini2-F5-B surface mount package. This component is designed for voltage regulation and protection applications requiring precise 15 V reference voltage with ±2.5% tolerance. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines. Substitute parts must maintain the 15 V nominal Zener voltage, 150 mW power dissipation capability, and surface mount form factor to ensure direct circuit compatibility.

Substiute Parts

DZ2S150M0L

Panasonic Electronic ComponentsIn Stock: 1634DZ2S150M0L Datasheet

Current PartRFQ

BZX584C15_R1_00001

Panjit International Inc.In Stock: 14554BZX584C15_R1_00001 Datasheet

SimilarRFQ

EDZVFHT2R15B

Rohm SemiconductorIn Stock: 9344EDZVFHT2R15B Datasheet

SimilarRFQ

EDZVT2R15B

Rohm SemiconductorIn Stock: 85295EDZVT2R15B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DZ2S150M0L is determined by the following critical parameters:

Primary Matching Criteria:

• Voltage - Zener (Nom): 15 V (exact match required)
• Mounting Type: Surface Mount (required for PCB compatibility)
• Package / Case: SC-79 or SOD-523 (physical compatibility)

Secondary Compatibility Criteria:

• Power - Max: 150 mW or greater (equal or higher dissipation capability)
• Tolerance: ±2.5% or tighter (equal or better voltage accuracy)
• Impedance (Max): 40 Ohms or lower (equal or better dynamic response)

All three substitute parts listed below satisfy the primary matching criteria. Variations in secondary parameters are documented in the comparison table to enable informed selection based on specific circuit requirements.

Parameter Comparison

Engineering Selection Recommendations

EDZVT2R15B (Rohm Semiconductor) - Primary Substitute

The EDZVT2R15B is the closest functional equivalent to the DZ2S150M0L. It provides identical 15 V nominal voltage and 150 mW power rating with superior tolerance specification (±2% versus ±2.5%). The impedance specification (42 Ohms) is marginally higher than the original part (40 Ohms) but remains within acceptable limits for most applications. This part is in active production status with extensive inventory availability (85,200 pcs). ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) ensure compatibility with modern manufacturing processes. Operating temperature range of -55°C to 150°C provides broad environmental coverage.

EDZVFHT2R15B (Rohm Semiconductor) - Automotive-Grade Alternative

The EDZVFHT2R15B offers identical electrical specifications to the primary substitute with the addition of automotive qualification (AEC-Q101) and automotive-grade designation. This part is suitable for applications requiring automotive-level reliability and traceability. Power rating and tolerance match the original part exactly (150 mW, ±2.13%). Inventory availability is lower (9,237 pcs) compared to the EDZVT2R15B. Maximum operating temperature is specified at 150°C (TJ) without explicit minimum temperature rating.

BZX584C15_R1_00001 (Panjit International Inc.) - Higher Power Alternative

The BZX584C15_R1_00001 provides increased power dissipation capability (200 mW versus 150 mW) and superior impedance performance (30 Ohms versus 40 Ohms). However, the tolerance specification (±5%) is significantly looser than the original part (±2.5%), making this substitute suitable only for applications with relaxed voltage accuracy requirements. This part offers the highest inventory availability (14,499 pcs) and is packaged in standard Tape & Reel format. ROHS3 compliance and REACH unaffected status confirm regulatory compliance.

Selection Criteria Summary:

• Standard applications with tight voltage tolerance requirements: EDZVT2R15B
• Automotive or high-reliability applications: EDZVFHT2R15B
• High-current applications with relaxed tolerance: BZX584C15_R1_00001

All three substitutes are surface mount components in SOD-523 package format, ensuring direct PCB compatibility with the original DZ2S150M0L design.

Frequently Asked Questions (FAQ)

Q: Can the BZX584C15_R1_00001 be used in place of the DZ2S150M0L despite the ±5% tolerance specification?

A: The BZX584C15_R1_00001 is electrically compatible from a functional standpoint, as it maintains the 15 V nominal Zener voltage and provides adequate power dissipation. However, the ±5% tolerance specification is significantly looser than the original ±2.5% tolerance. Selection of this substitute depends on whether the circuit design can accommodate the wider voltage variation. Applications requiring precise 15 V regulation should use EDZVT2R15B or EDZVFHT2R15B instead.

Q: Are all substitute parts compatible with the original PCB layout?

A: Yes. All three substitute parts are specified in SC-79 or SOD-523 package formats, which are identical to the original DZ2S150M0L package. The physical footprint and land pattern are compatible, allowing direct replacement without PCB redesign.

Q: What is the difference between EDZVT2R15B and EDZVFHT2R15B?

A: Both parts are manufactured by Rohm Semiconductor with identical electrical specifications (15 V, 150 mW, ±2% to ±2.13% tolerance). The primary difference is that EDZVFHT2R15B carries automotive-grade qualification (AEC-Q101) and is designated for automotive applications. EDZVFHT2R15B also specifies a maximum operating temperature of 150°C (TJ) without an explicit minimum, while EDZVT2R15B provides a full operating range of -55°C to 150°C. For non-automotive applications, EDZVT2R15B is the preferred choice due to broader temperature coverage.

Q: How does the impedance difference between substitute parts affect circuit performance?

A: Impedance (Zzt) affects the dynamic response of the Zener diode during transient voltage changes. The original DZ2S150M0L specifies 40 Ohms maximum impedance. EDZVT2R15B and EDZVFHT2R15B specify 42 Ohms (2 Ohms higher), while BZX584C15_R1_00001 specifies 30 Ohms (10 Ohms lower). The 2-Ohm difference in the Rohm parts is negligible for most applications. The BZX584C15_R1_00001 with lower impedance provides faster transient response, which may be beneficial in high-speed switching applications but is not required for standard voltage regulation circuits.

Q: What is the significance of the reverse leakage current specification?

A: Reverse leakage current (Ir) determines the amount of current flowing through the Zener diode when it is reverse-biased below the Zener voltage. The original DZ2S150M0L specifies 50 nA at 11 V, while all three substitutes specify 100 nA (at 11 V or 10.5 V). The higher leakage current in substitute parts may affect circuits with very high impedance loads or precision analog applications. For standard voltage regulation and protection applications, this difference is typically insignificant.

Q: Are all substitute parts RoHS compliant?

A: Yes. The original DZ2S150M0L is RoHS Compliant. All three substitute parts carry ROHS3 Compliant status, confirming compliance with current RoHS regulations. All parts have unlimited moisture sensitivity level (MSL 1), indicating no special moisture handling requirements during storage or assembly.

Q: Which substitute part offers the best inventory availability?

A: EDZVT2R15B offers the highest inventory availability with 85,200 pieces in stock, followed by BZX584C15_R1_00001 with 14,499 pieces, and EDZVFHT2R15B with 9,237 pieces. Inventory levels should be verified at the time of procurement, as availability is subject to change.