AZ23C3V6-TP Zener Diode Array Equivalent & Substitute Parts

Part Overview

The AZ23C3V6-TP is an active-status zener diode array manufactured by Micro Commercial Co, configured as a 1 Pair Common Anode device with a nominal zener voltage of 3.6 V and maximum power dissipation of 300 mW. The device is packaged in SOT-23 surface mount configuration and is ROHS3 compliant with unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or specific manufacturing qualifications. The parts listed below maintain electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	3.6	V
Tolerance	±5%	-
Power - Max	300	mW
Impedance (Max)	95	Ohms
Configuration	1 Pair Common Anode	-
Package / Case	TO-236-3, SC-59, SOT-23-3	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the AZ23C3V6-TP is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - Zener (Nom): 3.6 V (exact match required)
Tolerance: ±5% (acceptable range for electrical equivalence)
Power - Max: 300 mW (minimum requirement for power handling)
Configuration: 1 Pair Common Anode (functional topology requirement)
Package / Case: TO-236-3, SC-59, SOT-23-3 (mechanical and thermal compatibility)
Mounting Type: Surface Mount (assembly process compatibility)
RoHS Status: ROHS3 Compliant (regulatory requirement)

Secondary Considerations:

Impedance (Max): 95 Ohms (electrical performance parameter)
Moisture Sensitivity Level: 1 (Unlimited) (storage and handling compatibility)
Product Status: Active (ongoing manufacturer support)

Parts are classified as Direct Manufacturer equivalents when all primary criteria are met with identical specifications. Parts are classified as Similar when one or more secondary parameters deviate while maintaining functional compatibility within the application envelope.

Parameter Comparison

Parameter	AZ23C3V6-TP (Main)	AZ23C3V6-E3-08	AZ23C3V6-G3-08	AZ23C3V6-7-F	BZB784-C3V6,115	BZB84-B3V6,215	BZB84-C3V6,215
Manufacturer	Micro Commercial Co	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Diodes Incorporated	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Voltage - Zener (Nom)	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Tolerance	±5%	±5%	±5%	±5%	±5%	±2%	±5%
Power - Max	300 mW	300 mW	300 mW	300 mW	180 mW	300 mW	300 mW
Impedance (Max)	95 Ohms	95 Ohms	95 Ohms	95 Ohms	90 Ohms	90 Ohms	90 Ohms
Configuration	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	SC-70, SOT-323	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active
Operating Temperature	Not specified	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 150°C	Not specified	Not specified	Not specified
Qualification	Not specified	Not specified	Not specified	Not specified	AEC-Q100	AEC-Q100	AEC-Q100

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Recommended Primary Substitutes):

AZ23C3V6-E3-08 and AZ23C3V6-G3-08 (both Vishay General Semiconductor - Diodes Division) are direct electrical and mechanical equivalents to the AZ23C3V6-TP. Both devices maintain identical specifications across all primary substitution criteria: 3.6 V nominal zener voltage, ±5% tolerance, 300 mW maximum power, 95 Ohms maximum impedance, and SOT-23-3 package configuration. Both are active-status products with ROHS3 compliance and unlimited moisture sensitivity rating. These parts are suitable for direct board-level substitution without design modification.

Similar Substitutes with Package Compatibility:

AZ23C3V6-7-F (Diodes Incorporated) maintains full electrical equivalence and identical SOT-23-3 package compatibility. This part extends the operating temperature range to -65°C ~ 150°C compared to the unspecified range of the main part, providing enhanced thermal performance for extended temperature applications.

BZB84-B3V6,215 and BZB84-C3V6,215 (both Nexperia USA Inc.) are functionally compatible with identical 3.6 V zener voltage, 300 mW power rating, and SOT-23-3 package configuration. BZB84-B3V6,215 offers tighter tolerance specification (±2% versus ±5%), providing improved voltage regulation accuracy. Both Nexperia devices carry AEC-Q100 automotive qualification, indicating suitability for automotive-grade applications. Impedance specification is 90 Ohms (versus 95 Ohms), representing a minor performance improvement.

Limited Substitution (Package Incompatibility):

BZB784-C3V6,115 (Nexperia USA Inc.) is electrically compatible at 3.6 V nominal zener voltage and ±5% tolerance but is packaged in SOT-323 (SC-70) configuration rather than SOT-23-3. This package difference requires PCB layout modification and is not suitable for direct board-level substitution. Maximum power rating is reduced to 180 mW, limiting applicability to lower-power circuit designs. This part carries AEC-Q100 automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can AZ23C3V6-E3-08 be used as a direct replacement for AZ23C3V6-TP without PCB modification?

A: Yes. AZ23C3V6-E3-08 is a direct electrical and mechanical equivalent. Both devices share identical zener voltage (3.6 V), tolerance (±5%), power rating (300 mW), impedance (95 Ohms), and package configuration (SOT-23-3). No PCB layout or design changes are required.

Q: What is the difference between AZ23C3V6-G3-08 and AZ23C3V6-E3-08?

A: Both parts are manufactured by Vishay and are electrically identical with matching 3.6 V zener voltage, ±5% tolerance, 300 mW power rating, and SOT-23-3 package. The primary difference is the series designation (AZ23-G versus AZ23), which reflects internal manufacturing process variations. Both are suitable substitutes for the AZ23C3V6-TP.

Q: Why is BZB784-C3V6,115 listed as a similar substitute if the package is different?

A: BZB784-C3V6,115 maintains electrical compatibility at 3.6 V nominal zener voltage and ±5% tolerance. However, the SOT-323 package (SC-70) differs from the SOT-23-3 package of the main part, requiring PCB redesign. Additionally, the 180 mW maximum power rating is lower than the 300 mW specification of the main part, restricting its use to lower-power applications. This part is listed for reference in applications where package change is acceptable.

Q: What does AEC-Q100 qualification mean for the Nexperia parts?

A: AEC-Q100 is an automotive industry qualification standard indicating the device has undergone rigorous testing for reliability and performance in automotive applications. BZB84-B3V6,215, BZB84-C3V6,215, and BZB784-C3V6,115 all carry this qualification, making them suitable for automotive-grade circuit designs where enhanced reliability documentation is required.

Q: Can BZB84-B3V6,215 be used in place of AZ23C3V6-TP if tighter voltage tolerance is needed?

A: Yes. BZB84-B3V6,215 is mechanically and electrically compatible with identical 3.6 V zener voltage, 300 mW power rating, and SOT-23-3 package. The ±2% tolerance specification (versus ±5% for the main part) provides improved voltage regulation accuracy. The 90 Ohms impedance specification represents a minor performance improvement over the 95 Ohms specification of the main part.

Q: Are all listed substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (AZ23C3V6-E3-08, AZ23C3V6-G3-08, AZ23C3V6-7-F, BZB784-C3V6,115, BZB84-B3V6,215, and BZB84-C3V6,215) are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), matching the compliance profile of the AZ23C3V6-TP.

Q: What is the significance of the impedance parameter in selecting a substitute?

A: Impedance (Zzt) affects the dynamic resistance of the zener diode and influences voltage regulation performance under varying load conditions. The main part specifies 95 Ohms maximum impedance. Substitute parts with 90 Ohms impedance (Nexperia devices) provide slightly improved dynamic performance. Impedance differences within this range are generally acceptable for most circuit applications, but critical regulation circuits should verify performance through circuit simulation or testing.

Q: Which substitute part offers the widest operating temperature range?

A: AZ23C3V6-7-F (Diodes Incorporated) specifies an operating temperature range of -65°C ~ 150°C, extending the lower temperature limit to -65°C compared to the -55°C lower limit of AZ23C3V6-E3-08 and AZ23C3V6-G3-08. The main part (AZ23C3V6-TP) does not specify an operating temperature range. For applications requiring extended low-temperature operation, AZ23C3V6-7-F is the recommended selection.

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