BZX84J-C36,115 Equivalent & Substitute Parts

Part Overview

The BZX84J-C36,115 is a 36 V Zener diode manufactured by Nexperia USA Inc., rated for 550 mW power dissipation in a surface mount SOD-323F package. This component is classified as an automotive-grade device with AEC-Q101 qualification and is currently in active production status. The part operates across a temperature range of -65°C to 150°C with ±5% voltage tolerance and is RoHS3 compliant.

Equivalent and substitute parts are identified to address inventory availability, lead time constraints, or specific application requirements while maintaining functional compatibility within the defined electrical and mechanical parameters.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	36	V
Tolerance	±5%	—
Power - Maximum	550	mW
Impedance (Maximum)	60	Ohms
Current - Reverse Leakage @ Vr	50	nA @ 25.2 V
Voltage - Forward (Maximum) @ If	1.1	V @ 100 mA
Operating Temperature Range	-65 to 150	°C
Package / Case	SOD-323F	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the BZX84J-C36,115 is determined by the following critical parameters:

Primary Substitution Criteria:

Zener voltage: 36 V nominal (tolerance range 34.2 V to 37.8 V at ±5%)
Power rating: minimum 550 mW for direct replacement
Package compatibility: SOD-323F preferred for identical footprint
Operating temperature range: -65°C to 150°C minimum
Reverse leakage current: 50 nA @ 25.2 V or lower
Forward voltage: 1.1 V @ 100 mA or lower

Secondary Substitution Criteria (Reduced Power Rating):

Zener voltage: 36 V nominal
Power rating: 200 mW to 500 mW (suitable for lower current applications)
Package compatibility: SOD-323 or SOD-523 (different footprints)
Operating temperature range: -65°C to 150°C minimum

Substitute parts are grouped into two categories: parametric equivalents (matching all critical specifications) and similar parts (matching voltage and temperature range but with reduced power ratings or different package formats).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vz (V)	Tolerance	Power (mW)	Zzt (Ohms)	Package	Automotive Grade	AEC-Q101	RoHS3
BZX84J-C36,115	Nexperia USA Inc.	36	±5%	550	60	SOD-323F	Yes	Yes	Yes
BZX84J-B36,115	Nexperia USA Inc.	36	±2%	550	60	SOD-323F	Yes	Yes	Yes
BZT52C36S-TP	Micro Commercial Co	36	±6%	200	90	SOD-323	No	No	Yes
BZT52C36T-TP	Micro Commercial Co	36	±6%	100	90	SOD-523	No	No	Yes
D3Z36BF-7	Diodes Incorporated	35.97	±3%	400	60	SOD-323F	No	No	Yes
DDZ9715T-7	Diodes Incorporated	36	±5%	150	—	SOD-523	No	No	Yes
MM3Z36VB	Fairchild Semiconductor	36	±2%	200	84	SOD-323F	No	No	—
MM3Z36VC	Fairchild Semiconductor	36	±5%	200	84	SOD-323F	No	No	—
MM5Z36VT1G	onsemi	36	±5.6%	500	90	SOD-523	No	No	Yes
MMXZ5258B-TP	Micro Commercial Co	36	±5%	200	70	SOD-323	No	No	Yes

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

BZX84J-B36,115 from Nexperia USA Inc. is the parametric equivalent to BZX84J-C36,115. Both parts share identical power ratings (550 mW), package format (SOD-323F), impedance (60 Ohms), and operating temperature range (-65°C to 150°C). The BZX84J-B36,115 features improved voltage tolerance (±2% versus ±5%), automotive grade classification, and AEC-Q101 qualification. This part is suitable for direct substitution in all applications where the BZX84J-C36,115 is specified.

Similar Parts for Reduced Power Applications:

D3Z36BF-7 from Diodes Incorporated provides a 400 mW alternative in the SOD-323F package with 35.97 V nominal voltage (±3% tolerance) and 60 Ohms impedance. This part is suitable for applications requiring lower power dissipation while maintaining the same footprint.

MM3Z36VB and MM3Z36VC from Fairchild Semiconductor are 200 mW alternatives in SOD-323F packages with 36 V nominal voltage. MM3Z36VB offers ±2% tolerance, while MM3Z36VC provides ±5% tolerance. Both are suitable for low-power applications with identical footprint compatibility.

Similar Parts for Alternative Package Formats:

MM5Z36VT1G from onsemi is a 500 mW alternative in SOD-523 package with 36 V nominal voltage and ±5.6% tolerance. This part is suitable for applications where the smaller SOD-523 footprint is acceptable and power requirements do not exceed 500 mW.

BZT52C36S-TP and BZT52C36T-TP from Micro Commercial Co are 200 mW and 100 mW alternatives respectively in SOD-323 and SOD-523 packages. These parts are suitable for low-power applications but require PCB layout modification due to different package formats.

MMXZ5258B-TP from Micro Commercial Co is a 200 mW alternative in SOD-323 package with 36 V nominal voltage and ±5% tolerance. Operating temperature range is -55°C to 150°C, which is narrower than the main part.

DDZ9715T-7 from Diodes Incorporated is a 150 mW alternative in SOD-523 package with 36 V nominal voltage and ±5% tolerance, suitable for minimal power applications.

Frequently Asked Questions (FAQ)

Q: Can BZX84J-B36,115 be used as a direct replacement for BZX84J-C36,115?

A: Yes. BZX84J-B36,115 is a parametric equivalent with identical electrical specifications (36 V, 550 mW, SOD-323F) and improved voltage tolerance (±2%). Both parts are automotive-grade with AEC-Q101 qualification. No circuit modifications are required.

Q: What is the difference between SOD-323F and SOD-323 packages?

A: SOD-323F and SOD-323 are distinct package formats with different physical dimensions and PCB footprints. SOD-323F is the preferred package for the BZX84J-C36,115. Parts specified in SOD-323 (such as BZT52C36S-TP and MMXZ5258B-TP) require different PCB layout and cannot be used as direct mechanical substitutes without design modification.

Q: Can I use a 200 mW Zener diode in place of the 550 mW BZX84J-C36,115?

A: A 200 mW Zener diode can be used only if the application circuit limits current such that power dissipation does not exceed 200 mW. The 36 V voltage regulation function remains identical. Parts such as MM3Z36VC, MM3Z36VB, BZT52C36S-TP, and MMXZ5258B-TP are suitable for reduced-power applications. Circuit analysis is required to confirm power dissipation limits.

Q: What is the significance of voltage tolerance (±5% versus ±2%)?

A: Voltage tolerance defines the acceptable range of Zener voltage at specified test conditions. BZX84J-C36,115 with ±5% tolerance operates between 34.2 V and 37.8 V. BZX84J-B36,115 with ±2% tolerance operates between 35.28 V and 36.72 V. Applications requiring tighter voltage regulation should specify the ±2% tolerance part.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are RoHS3 compliant except MM3Z36VB and MM3Z36VC from Fairchild Semiconductor, for which RoHS status is not specified in the provided data.

Q: Can I use MM5Z36VT1G (SOD-523) in a circuit designed for SOD-323F?

A: No. SOD-523 and SOD-323F are different package formats with incompatible PCB footprints. MM5Z36VT1G cannot be used without PCB redesign. However, the electrical specifications (36 V, 500 mW, ±5.6% tolerance) are compatible with the application requirements.

Q: What is the operating temperature range for MMXZ5258B-TP?

A: MMXZ5258B-TP operates from -55°C to 150°C, which is narrower than the BZX84J-C36,115 range of -65°C to 150°C. This part is not suitable for applications requiring operation below -55°C.

Q: Is automotive qualification required for my application?

A: Automotive qualification (AEC-Q101) is required only for components used in automotive applications. BZX84J-C36,115 and BZX84J-B36,115 are automotive-grade. Non-automotive substitute parts (such as those from Fairchild Semiconductor, Diodes Incorporated, and onsemi) are suitable for industrial and consumer applications but not for automotive use.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message