MMSZ5232AS_R1_00001 Equivalent & Substitute Parts

Part Overview

The MMSZ5232AS_R1_00001 is a surface mount silicon zener diode manufactured by Panjit International Inc., rated at 5.6 V nominal zener voltage with 200 mW maximum power dissipation. This component operates across the temperature range of -55°C to 150°C and is packaged in the SOD-323 form factor. The part maintains Active product status and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching or exceeding the electrical and mechanical specifications of the main part, ensuring functional compatibility in circuit applications where zener voltage regulation at 5.6 V is required.

Key Parameters

Parameter	MMSZ5232AS_R1_00001
Manufacturer	Panjit International Inc.
Voltage - Zener (Nom)	5.6 V
Tolerance	±1.96%
Power - Max	200 mW
Impedance (Max)	11 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 3 V
Operating Temperature	-55°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	SC-90, SOD-323F
Product Status	Active
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MMSZ5232AS_R1_00001 is determined by the following critical parameters:

Primary Matching Criteria:

Zener voltage: 5.6 V nominal
Package type: SOD-323 or SOD-323F surface mount
Mounting type: Surface mount
Operating temperature range: Minimum -55°C to 150°C coverage
RoHS compliance: ROHS3 compliant

Secondary Compatibility Factors:

Power rating: Equal to or greater than 200 mW
Zener voltage tolerance: ±1.96% or tighter
Impedance: Maximum 11 Ohms or lower
Reverse leakage current: 5 µA @ 3 V or lower

Substitute parts are grouped into two categories based on power dissipation capability: parts rated at 200 mW (direct power match) and parts rated above 200 mW (higher power capability with functional equivalence). All substitute parts maintain the 5.6 V zener voltage specification and SOD-323F packaging required for direct board-level replacement.

Parameter Comparison

Part Number	Manufacturer	Vz (Nom)	Tolerance	Power (Max)	Zzt (Max)	Ir @ Vr	Temp Range	Package	Status
MMSZ5232AS_R1_00001	Panjit International Inc.	5.6 V	±1.96%	200 mW	11 Ω	5 µA @ 3 V	-55°C ~ 150°C	SOD-323F	Active
MM3Z5V6B	onsemi	5.6 V	±2%	200 mW	37 Ω	900 nA @ 2 V	-65°C ~ 150°C	SOD-323F	Active
MM3Z5V6C	Fairchild Semiconductor	5.6 V	±5%	200 mW	37 Ω	900 nA @ 2 V	-65°C ~ 150°C	SOD-323F	Active
BZX84J-B5V6,115	Nexperia USA Inc.	5.6 V	±2%	550 mW	40 Ω	1 µA @ 2 V	-65°C ~ 150°C	SOD-323F	Active
BZX84J-C5V6,115	Nexperia USA Inc.	5.6 V	±5%	550 mW	40 Ω	1 µA @ 2 V	-65°C ~ 150°C	SOD-323F	Active
PZU5.6B,115	Nexperia USA Inc.	5.6 V	±5%	310 mW	40 Ω	1 µA @ 2.5 V	-65°C ~ 150°C	SOD-323F	Active
PZU5.6B2,115	Nexperia USA Inc.	5.6 V	±2%	310 mW	40 Ω	1 µA @ 2.5 V	-65°C ~ 150°C	SOD-323F	Active
PZU5.6B3,115	Nexperia USA Inc.	5.6 V	±2%	310 mW	40 Ω	1 µA @ 2.5 V	-65°C ~ 150°C	SOD-323F	Obsolete
PZU5.6BF	Nexperia USA Inc.	5.6 V	±5%	Not Specified	40 Ω	1 µA @ 2.5 V	-55°C ~ 150°C	SOD-323F	Active
TDZ5V6J,115	NXP Semiconductors	5.6 V	±2%	500 mW	40 Ω	10 µA @ 2.5 V	-55°C ~ 150°C	SOD-323F	Active
TDZ5V6JF	Nexperia USA Inc.	5.6 V	±2%	500 mW	40 Ω	10 µA @ 2.5 V	-55°C ~ 150°C	SOD-323F	Active

Engineering Selection Recommendations

Direct Equivalents (200 mW Power Rating):

MM3Z5V6B and MM3Z5V6C are direct power-rated equivalents to the MMSZ5232AS_R1_00001. Both parts maintain the 5.6 V zener voltage and 200 mW power dissipation specification. MM3Z5V6B offers ±2% tolerance matching the primary specification requirement, while MM3Z5V6C provides ±5% tolerance. Both are Active status products with extended temperature range (-65°C to 150°C) and ROHS3 compliance. These parts are suitable for applications requiring identical power handling characteristics.

Higher Power Capability Substitutes (310 mW and Above):

PZU5.6B,115 and PZU5.6B2,115 provide 310 mW power dissipation with automotive-grade qualification (AEC-Q100). PZU5.6B2,115 offers ±2% tolerance and is recommended for applications requiring tighter voltage tolerance. Both maintain Active product status and ROHS3 compliance. PZU5.6B3,115 is functionally equivalent but carries Obsolete product status and should not be selected for new designs.

BZX84J-B5V6,115 and BZX84J-C5V6,115 provide 550 mW power dissipation with automotive-grade qualification (AEC-Q101). BZX84J-B5V6,115 offers ±2% tolerance, while BZX84J-C5V6,115 provides ±5% tolerance. These parts are suitable for applications requiring higher power dissipation margins.

TDZ5V6J,115 and TDZ5V6JF provide 500 mW power dissipation with automotive-grade qualification (AEC-Q101). Both maintain ±2% tolerance and Active product status. TDZ5V6JF is packaged in Tape & Reel format, while TDZ5V6J,115 is supplied in Bulk packaging.

Compliance and Certification:

All recommended substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level. Automotive-qualified parts (PZU5.6B series with AEC-Q100, BZX84J series with AEC-Q101, and TDZ5V6 series with AEC-Q101) are suitable for automotive and industrial applications requiring formal qualification documentation.

PZU5.6BF is Active status but lacks specified power rating in the provided data and should be evaluated against specific application requirements before selection.

Frequently Asked Questions (FAQ)

Q: Can MM3Z5V6B or MM3Z5V6C be used as direct replacements for MMSZ5232AS_R1_00001?

A: Yes. Both parts match the 5.6 V zener voltage and 200 mW power rating. MM3Z5V6B provides ±2% tolerance comparable to the main part's ±1.96% specification. Both are Active status products with SOD-323F packaging and ROHS3 compliance. The extended temperature range (-65°C to 150°C) exceeds the main part's -55°C to 150°C specification.

Q: What is the difference between the 200 mW rated parts and higher power rated substitutes?

A: The MMSZ5232AS_R1_00001 is rated for 200 mW maximum power dissipation. Substitute parts rated at 310 mW, 500 mW, or 550 mW provide higher power handling capability and thermal margin. These higher-rated parts are functionally equivalent in zener voltage regulation but allow greater current flow before reaching maximum power dissipation limits. Selection depends on circuit current requirements and thermal design considerations.

Q: Are all substitute parts available in the same packaging?

A: All substitute parts listed are packaged in SOD-323F, which is compatible with the main part's SC-90, SOD-323F package designation. Packaging format differs: some are supplied in Tape & Reel (TR), others in Cut Tape (CT) & Digi-Reel®, and one in Bulk. Verify packaging format availability against procurement requirements.

Q: Which substitute parts have automotive qualification?

A: PZU5.6B,115, PZU5.6B2,115, and PZU5.6B3,115 carry AEC-Q100 automotive qualification. BZX84J-B5V6,115, BZX84J-C5V6,115, TDZ5V6J,115, and TDZ5V6JF carry AEC-Q101 automotive qualification. These parts are suitable for automotive applications requiring formal qualification documentation. MM3Z5V6B, MM3Z5V6C, and the main part do not carry automotive qualification.

Q: What is the significance of zener voltage tolerance differences?

A: The main part specifies ±1.96% tolerance. Substitute parts offer ±2%, ±5%, or unspecified tolerance. Tighter tolerance (±2%) provides more precise voltage regulation. Applications requiring voltage regulation within ±1.96% should select MM3Z5V6B, BZX84J-B5V6,115, PZU5.6B2,115, PZU5.6B3,115, TDZ5V6J,115, or TDZ5V6JF. Applications tolerating ±5% variation can use MM3Z5V6C, BZX84J-C5V6,115, or PZU5.6B,115.

Q: Should PZU5.6B3,115 be considered for new designs?

A: No. PZU5.6B3,115 carries Obsolete product status. For new designs, select from Active status parts: MM3Z5V6B, MM3Z5V6C, BZX84J-B5V6,115, BZX84J-C5V6,115, PZU5.6B,115, PZU5.6B2,115, PZU5.6BF, TDZ5V6J,115, or TDZ5V6JF.

Q: What is the difference between impedance specifications across substitute parts?

A: The main part specifies 11 Ohms maximum impedance. Most substitute parts specify 37 to 40 Ohms maximum impedance. Lower impedance provides better voltage regulation stability and faster transient response. Applications sensitive to impedance characteristics should prioritize the main part or verify substitute impedance performance against circuit requirements.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed are ROHS3 compliant. MSL (Moisture Sensitivity Level) is 1 (Unlimited) for all parts, indicating no moisture sensitivity restrictions during storage and handling.

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