BZX84C7V5-TP Equivalent & Substitute Parts

Part Overview

The BZX84C7V5-TP is a 7.5 V Zener diode manufactured by Micro Commercial Co, rated for 350 mW maximum power dissipation in a surface mount SOT-23 package. This component is classified as Active and is RoHS3 compliant. The part is supplied in Tape & Reel packaging with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching or compatible electrical characteristics and mechanical form factors. Substitutes may differ in power rating, tolerance, impedance, or manufacturer qualification status while maintaining functional compatibility in 7.5 V Zener diode applications.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	7.5	V
Tolerance	±5%	-
Power - Max	350	mW
Impedance (Max)	15	Ohms
Current - Reverse Leakage @ Vr	1	µA @ 5 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	-
Package / Case	TO-236-3, SC-59, SOT-23-3	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution compatibility for the BZX84C7V5-TP is determined by the following critical parameters:

Primary Matching Criteria:

Zener voltage: 7.5 V (nominal)
Package type: SOT-23-3 / TO-236-3 surface mount
Mounting type: Surface mount
Forward voltage: 900 mV @ 10 mA
Reverse leakage current: 1 µA @ 5 V
Impedance (Max): 15 Ohms

Secondary Compatibility Factors:

Power rating: 225 mW to 350 mW (lower ratings acceptable in current-limited applications)
Tolerance: ±1% to ±6% (tighter tolerance acceptable)
Operating temperature: -55°C to -65°C minimum; 150°C maximum
RoHS compliance status
Manufacturer qualification (standard vs. automotive AEC-Q101)

Substitute parts are grouped by electrical equivalence and mechanical compatibility. Parts with identical zener voltage, package, and core electrical parameters are classified as direct substitutes. Parts with reduced power ratings or different impedance characteristics are classified as similar substitutes and require application-level current verification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vz (V)	Tolerance	Power (mW)	Zzt (Ohms)	Vf @ 10mA (mV)	Temp Range (°C)	RoHS Status	Product Status
BZX84C7V5-TP	Micro Commercial Co	7.5	±5%	350	15	900	-55 to 150	ROHS3	Active
BZX84C7V5-7-F	Diodes Incorporated	7.5	±6%	300	15	900	-65 to 150	ROHS3	Active
BZX84-A7V5,215	Nexperia USA Inc.	7.5	±1%	250	15	900	-65 to 150	ROHS3	Active
BZX84B7V5LT1G	onsemi	7.5	±2%	225	15	900	-65 to 150	ROHS3	Active
BZX84C7V5LT1G	onsemi	7.5	±5%	225	15	900	-65 to 150	ROHS3	Active
MMBZ5236B-7-F	Diodes Incorporated	7.5	±5%	350	6	900	-65 to 150	ROHS3	Active
SZBZX84C7V5LT1G	onsemi	7.5	±5%	225	15	900	-65 to 150	ROHS3	Active
SZBZX84C7V5LT3G	onsemi	7.5	±5%	225	15	900	-65 to 150	ROHS3	Active

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

BZX84C7V5-7-F (Diodes Incorporated) and MMBZ5236B-7-F (Diodes Incorporated) are direct electrical equivalents with 350 mW and 300 mW power ratings respectively. Both are Active status, RoHS3 compliant, and operate across -65°C to 150°C. The BZX84C7V5-7-F maintains the 15 Ohm impedance specification. MMBZ5236B-7-F features lower impedance (6 Ohms) and higher reverse leakage current (3 µA @ 6 V), suitable for applications tolerant of these variations.

Automotive-Qualified Alternatives:

BZX84-A7V5,215 (Nexperia USA Inc.) and SZBZX84C7V5LT1G / SZBZX84C7V5LT3G (onsemi) carry AEC-Q101 automotive qualification. These parts are suitable for automotive and high-reliability applications. Power ratings are 250 mW and 225 mW respectively, requiring verification that application current limits do not exceed these thresholds.

Standard Industrial Substitutes:

BZX84B7V5LT1G and BZX84C7V5LT1G (onsemi) provide 225 mW power ratings with standard industrial qualification. Both maintain 15 Ohm impedance and 1 µA reverse leakage specifications. These parts are suitable for general-purpose applications where power dissipation remains below 225 mW.

Selection Basis:

All substitute parts maintain the 7.5 V nominal zener voltage, SOT-23-3 package form factor, 900 mV forward voltage, and RoHS3 compliance. Selection among substitutes depends on application power budget, temperature range requirements, and qualification status (standard vs. automotive). Parts with reduced power ratings require circuit-level verification that actual dissipation does not exceed the substitute part rating.

Frequently Asked Questions (FAQ)

Q: Can BZX84C7V5-7-F replace BZX84C7V5-TP directly?

A: Yes. Both parts share identical zener voltage (7.5 V), package (SOT-23-3), forward voltage (900 mV @ 10 mA), and impedance (15 Ohms). The BZX84C7V5-7-F has a 300 mW power rating versus 350 mW for the original part. Direct substitution is valid if application power dissipation does not exceed 300 mW.

Q: What is the difference between BZX84C7V5LT1G and SZBZX84C7V5LT1G?

A: Both parts are manufactured by onsemi with identical electrical specifications: 7.5 V zener voltage, ±5% tolerance, 225 mW power rating, 15 Ohm impedance, and -65°C to 150°C operating range. SZBZX84C7V5LT1G carries AEC-Q101 automotive qualification; BZX84C7V5LT1G does not. Selection depends on application qualification requirements.

Q: Why does MMBZ5236B-7-F have lower impedance (6 Ohms vs. 15 Ohms)?

A: Impedance variation reflects different internal die design and manufacturing process between Diodes Incorporated (MMBZ series) and other manufacturers (BZX84 series). Lower impedance results in tighter voltage regulation under load changes. Both values are acceptable for 7.5 V zener applications; circuit design must account for the impedance difference if precise voltage regulation is critical.

Q: Can I use a 225 mW substitute in place of the 350 mW original part?

A: Substitution is valid only if application circuit analysis confirms that actual power dissipation remains below 225 mW. The substitute part will fail if dissipation exceeds its rating. Review circuit current and voltage conditions to verify compatibility before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance status. The MMBZ5236B-7 variant (without -F suffix) is RoHS non-compliant and is discontinued; only the MMBZ5236B-7-F variant is recommended for new designs.

Q: What is the difference between standard and automotive-qualified parts?

A: Automotive-qualified parts (BZX84-A7V5,215, SZBZX84C7V5LT1G, SZBZX84C7V5LT3G) carry AEC-Q101 certification, indicating compliance with automotive reliability and testing standards. Standard parts (BZX84C7V5-7-F, BZX84B7V5LT1G, BZX84C7V5LT1G) are suitable for general industrial applications. Selection depends on end-application requirements.

Q: Can I mix different manufacturers' parts in the same circuit board?

A: Yes. All substitute parts maintain identical zener voltage (7.5 V), package (SOT-23-3), and core electrical parameters. Mixed sourcing is acceptable from a functional standpoint. Verify that power ratings and impedance characteristics are compatible with circuit design before implementation.

Q: What is the operating temperature range difference between parts?

A: The original BZX84C7V5-TP operates from -55°C to 150°C. Most substitute parts extend the minimum temperature to -65°C, providing wider low-temperature operation. All parts share the 150°C maximum. Selection depends on application temperature requirements.

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