DZ2J047M0L Zener Diode Equivalent & Substitute Parts

Part Overview

The DZ2J047M0L is a 4.7 V, 200 mW surface mount zener diode manufactured by Panasonic Electronic Components in the SC-90/SOD-323F package. This component is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers. Substitute parts must maintain the core electrical specifications: 4.7 V nominal zener voltage, 200 mW maximum power dissipation, and surface mount configuration in compatible packages.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	4.7	V
Tolerance	±2.5%	-
Power - Max	200	mW
Impedance (Max)	80	Ohms
Current - Reverse Leakage @ Vr	2	µA @ 1 V
Mounting Type	Surface Mount	-
Package / Case	SC-90, SOD-323F	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Primary Criteria (Must Match):

Zener voltage nominal value: 4.7 V (tolerance variations acceptable within engineering limits)
Maximum power dissipation: 200 mW or greater
Mounting type: Surface Mount
Package compatibility: SC-90/SOD-323F or equivalent footprint
RoHS3 compliance

Secondary Criteria (Acceptable Variation):

Voltage tolerance: ±2.5% or tighter
Impedance: 80 Ohms or lower preferred for circuit stability
Reverse leakage current: 2 µA or lower preferred
Operating temperature range: -55°C to 150°C or equivalent

Substitute parts are grouped into two categories based on power rating alignment:

Category A - Direct 200 mW Substitutes: Parts with identical 200 mW power rating and matching package footprint (SC-90/SOD-323F).

Category B - Higher Power Alternatives: Parts with 500 mW power rating in different package configurations (TUMD2M). These provide enhanced thermal performance but require PCB layout verification for footprint compatibility.

Parameter Comparison

Part Number	Manufacturer	Vz (Nom)	Tolerance	Power (Max)	Zzt (Max)	Ir @ 1V	Package	Status
DZ2J047M0L	Panasonic	4.7 V	±2.5%	200 mW	80 Ω	2 µA	SC-90, SOD-323F	Discontinued
BZT52-C4V7S_R1_00001	Panjit International	4.7 V	±5%	200 mW	78 Ω	5 µA	SC-90, SOD-323F	Active
UDZSTE-174.7B	Rohm Semiconductor	4.7 V	±2%	200 mW	100 Ω	2 µA	SC-90, SOD-323F	Active
UDZVTE-174.7B	Rohm Semiconductor	4.7 V	-	200 mW	100 Ω	2 µA	SC-90, SOD-323F	Active
UDZVFHTE-174.7B	Rohm Semiconductor	4.65 V	±2.15%	200 mW	100 Ω	2 µA	SC-90, SOD-323F	Active
TFZVTR4.7B	Rohm Semiconductor	4.7 V	-	500 mW	25 Ω	5 µA	2-SMD, Flat Lead (TUMD2M)	Active
YFZVFHTR4.7B	Rohm Semiconductor	4.68 V	±2.67%	500 mW	25 Ω	5 µA	2-SMD, Flat Lead (TUMD2M)	Active

Engineering Selection Recommendations

Category A - Direct Package Substitutes (SC-90/SOD-323F):

UDZSTE-174.7B (Rohm Semiconductor) is the primary substitute for DZ2J047M0L. This part maintains identical 4.7 V nominal voltage, 200 mW power rating, and SC-90/SOD-323F package footprint. The ±2% tolerance is tighter than the original ±2.5%, providing improved voltage accuracy. Reverse leakage current matches at 2 µA. This part is ROHS3 compliant and currently active in production.

UDZVTE-174.7B (Rohm Semiconductor) provides equivalent electrical performance with 4.7 V nominal voltage and 200 mW power rating in the same package. Reverse leakage current and impedance characteristics are identical to UDZSTE-174.7B. This part is suitable for applications where tolerance specification is not critical.

BZT52-C4V7S_R1_00001 (Panjit International) maintains 4.7 V nominal voltage and 200 mW power rating with SC-90/SOD-323F package compatibility. The ±5% tolerance is wider than the original specification. Impedance is 78 Ohms, slightly lower than the original 80 Ohms. This part is ROHS3 compliant and active.

UDZVFHTE-174.7B (Rohm Semiconductor) is qualified to AEC-Q101 automotive standard with operating temperature to 150°C. The nominal zener voltage is 4.65 V with ±2.15% tolerance, representing a 0.05 V deviation from the 4.7 V specification. This part is suitable for automotive applications requiring enhanced reliability qualification.

Category B - Higher Power Alternatives (TUMD2M Package):

TFZVTR4.7B (Rohm Semiconductor) provides 4.7 V nominal voltage with 500 mW power rating in the TUMD2M package. The significantly lower impedance of 25 Ohms compared to 80 Ohms in the original part provides improved voltage regulation. This part requires PCB layout verification to confirm TUMD2M footprint compatibility with the original SC-90/SOD-323F design. ROHS3 compliant and active.

YFZVFHTR4.7B (Rohm Semiconductor) is qualified to AEC-Q101 automotive standard with 4.68 V nominal voltage and 500 mW power rating in TUMD2M package. The ±2.67% tolerance and 0.02 V voltage deviation are within acceptable engineering limits for most applications. This part is suitable for automotive designs requiring higher power dissipation capability.

Frequently Asked Questions (FAQ)

Q: Can I use a 500 mW zener diode as a direct replacement for the 200 mW DZ2J047M0L?

A: Yes, provided the package footprint is compatible with your PCB design. Higher power-rated devices (TFZVTR4.7B, YFZVFHTR4.7B) in TUMD2M packages are electrically suitable substitutes. However, the TUMD2M footprint differs from the original SC-90/SOD-323F package. Verify PCB layout compatibility before implementation.

Q: What is the significance of the impedance (Zzt) parameter in zener diode selection?

A: Impedance affects voltage regulation quality. Lower impedance values provide better voltage stability under load changes. The original DZ2J047M0L has 80 Ohms impedance. Substitutes with lower impedance (TFZVTR4.7B at 25 Ohms) offer improved regulation but require circuit validation. Higher impedance substitutes (UDZSTE-174.7B at 100 Ohms) are acceptable for applications with stable load conditions.

Q: Are automotive-qualified parts (UDZVFHTE-174.7B, YFZVFHTR4.7B) necessary for non-automotive applications?

A: Automotive qualification (AEC-Q101) is not required for non-automotive applications. These parts are suitable for general-purpose use but offer enhanced reliability screening. Selection should be based on application requirements and cost considerations.

Q: What is the impact of voltage tolerance differences between substitute parts?

A: The original DZ2J047M0L has ±2.5% tolerance. Substitutes with tighter tolerance (UDZSTE-174.7B at ±2%, UDZVFHTE-174.7B at ±2.15%) provide more precise voltage regulation. Substitutes with wider tolerance (BZT52-C4V7S_R1_00001 at ±5%) are acceptable for applications with relaxed voltage accuracy requirements. Verify circuit tolerance stack-up analysis before selection.

Q: Can I substitute UDZVFHTE-174.7B (4.65 V) for the 4.7 V DZ2J047M0L?

A: The 0.05 V difference represents a 1.06% deviation from the 4.7 V specification. This substitution is acceptable for applications with voltage tolerance margins exceeding ±1.06%. Verify circuit design specifications before implementation.

Q: What packaging considerations apply when selecting between SC-90/SOD-323F and TUMD2M packages?

A: SC-90/SOD-323F and TUMD2M packages have different PCB footprints and land patterns. Direct substitution within the SC-90/SOD-323F package family (UDZSTE-174.7B, UDZVTE-174.7B, BZT52-C4V7S_R1_00001, UDZVFHTE-174.7B) requires no PCB layout changes. Substitution with TUMD2M packages (TFZVTR4.7B, YFZVFHTR4.7B) requires PCB redesign and layout verification.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: Yes. All substitute parts listed are ROHS3 compliant, matching the original DZ2J047M0L compliance status. Moisture sensitivity level remains at MSL 1 (Unlimited) across all alternatives.

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