BZT52C7V5S RRG Equivalent & Substitute Parts

Part Overview

The BZT52C7V5S RRG is a surface mount Zener diode manufactured by Taiwan Semiconductor Corporation, rated at 7.5 V nominal with 200 mW power dissipation and ±5% tolerance. This component is classified as an active product and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications and package compatibility to support design flexibility, inventory optimization, and supply chain continuity.

Key Parameters

Parameter	Value
Voltage - Zener (Nom)	7.5 V
Power - Max	200 mW
Tolerance	±5%
Impedance (Max)	15 Ohms
Current - Reverse Leakage @ Vr	900 nA @ 5 V
Voltage - Forward (Vf) (Max) @ If	1 V @ 10 mA
Operating Temperature	-65°C ~ 150°C
Package / Case	SC-90, SOD-323F
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the BZT52C7V5S RRG is determined by the following critical parameters: nominal Zener voltage (7.5 V), maximum power dissipation (200 mW), package type (SOD-323F), and mounting method (surface mount). All identified substitutes maintain these core electrical and mechanical specifications.

Tolerance variations (±5% and ±2%) are permitted substitutions when circuit design allows for tighter or equivalent voltage regulation margins. Impedance values of 14 Ohms to 15 Ohms are functionally equivalent within the SOD-323F package class. Reverse leakage current and forward voltage characteristics remain consistent across all substitutes.

Manufacturer differences (Taiwan Semiconductor Corporation versus onsemi) do not affect substitution eligibility when all electrical parameters and package specifications are identical.

Parameter Comparison

Part Number	Manufacturer	Vz (Nom)	Tolerance	Power (Max)	Zzt (Max)	Vf (Max) @ If	Package	Temp Range	RoHS Status
BZT52C7V5S RRG	Taiwan Semiconductor	7.5 V	±5%	200 mW	15 Ω	1 V @ 10 mA	SOD-323F	-65°C ~ 150°C	ROHS3
BZT52C7V5S R9G	Taiwan Semiconductor	7.5 V	±5%	200 mW	15 Ω	1 V @ 10 mA	SOD-323F	-65°C ~ 150°C	ROHS3
BZT52B7V5S R9G	Taiwan Semiconductor	7.5 V	±2%	200 mW	15 Ω	1 V @ 10 mA	SOD-323F	-65°C ~ 150°C	ROHS3
MM3Z7V5C	onsemi	7.5 V	±5%	200 mW	14 Ω	1 V @ 10 mA	SOD-323F	-65°C ~ 150°C	ROHS3
MM3Z7V5B	onsemi	7.5 V	±2%	200 mW	14 Ω	1 V @ 10 mA	SOD-323F	-65°C ~ 150°C	ROHS3

Engineering Selection Recommendations

All identified substitute parts maintain active product status and ROHS3 compliance, ensuring regulatory and supply chain consistency with the BZT52C7V5S RRG.

BZT52C7V5S R9G is a direct parametric equivalent from Taiwan Semiconductor Corporation, differing only in packaging format (Cut Tape & Digi-Reel versus the original specification). This part is suitable for direct substitution in all applications.

BZT52B7V5S R9G offers tighter tolerance specification (±2% versus ±5%), providing improved voltage regulation accuracy. This part is suitable for applications requiring enhanced voltage stability while maintaining identical electrical performance and package compatibility.

MM3Z7V5C and MM3Z7V5B are onsemi manufactured alternatives with impedance specification of 14 Ohms (versus 15 Ohms maximum for Taiwan Semiconductor parts). Both parts maintain identical nominal voltage, power rating, and operating temperature range. MM3Z7V5B provides ±2% tolerance; MM3Z7V5C provides ±5% tolerance.

All substitutes are ROHS3 compliant with MSL rating of 1 (Unlimited) and REACH Unaffected status, matching the original part's environmental and regulatory profile.

Frequently Asked Questions (FAQ)

Q: Can BZT52B7V5S R9G replace BZT52C7V5S RRG in all applications?

A: Yes. BZT52B7V5S R9G maintains identical electrical specifications and package type. The ±2% tolerance is tighter than the ±5% specification of the original part, making it functionally compatible for all circuit designs.

Q: What is the difference between MM3Z7V5C and MM3Z7V5B?

A: Both are onsemi manufactured Zener diodes with 7.5 V nominal voltage and 200 mW power rating in SOD-323F package. MM3Z7V5B specifies ±2% tolerance, while MM3Z7V5C specifies ±5% tolerance. The impedance specification is 14 Ohms for both parts.

Q: Are there impedance differences between Taiwan Semiconductor and onsemi parts?

A: Taiwan Semiconductor BZT52 series parts specify maximum impedance of 15 Ohms. onsemi MM3Z7V5 series parts specify maximum impedance of 14 Ohms. Both values are within acceptable operating parameters for SOD-323F Zener diodes rated at 7.5 V and 200 mW.

Q: Can I use MM3Z7V5B instead of BZT52C7V5S RRG?

A: Yes. MM3Z7V5B is functionally equivalent with identical nominal voltage, power rating, operating temperature range, and SOD-323F package. The ±2% tolerance provides tighter voltage regulation compared to the ±5% specification of the original part.

Q: What packaging formats are available for these substitutes?

A: BZT52C7V5S R9G and BZT52B7V5S R9G are supplied in Cut Tape (CT) & Digi-Reel format. MM3Z7V5B is supplied in Cut Tape (CT) & Digi-Reel format. MM3Z7V5C is supplied in Tape & Reel (TR) format. All parts are surface mount components in SOD-323F package.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts (BZT52C7V5S R9G, BZT52B7V5S R9G, MM3Z7V5C, and MM3Z7V5B) are ROHS3 compliant with MSL rating of 1 (Unlimited) and REACH Unaffected status.

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