BZT52C2V7S RRG Equivalent & Substitute Parts

Part Overview

The BZT52C2V7S RRG is a Zener diode manufactured by Taiwan Semiconductor Corporation, rated at 2.7 V nominal with 200 mW power dissipation and ±5% tolerance. The device is housed in a SOD-323F surface mount package and is classified as Active product status with full RoHS3 compliance. This component is used in voltage regulation and protection circuits requiring precise Zener voltage characteristics in compact surface mount form factors. Substitute parts are identified based on matching electrical specifications and package compatibility to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	2.7	V
Tolerance	±5%	-
Power - Max	200	mW
Impedance (Max)	100	Ohms
Current - Reverse Leakage @ Vr	18	µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	1	V @ 10 mA
Operating Temperature	-65 to 150	°C
Mounting Type	Surface Mount	-
Package / Case	SC-90, SOD-323F	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the BZT52C2V7S RRG are classified based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Voltage - Zener (Nom): 2.7 V
Power - Max: 200 mW
Package / Case: SOD-323F
Mounting Type: Surface Mount
Operating Temperature Range: -65°C to 150°C (or compatible subset)

Secondary Matching Criteria:

Tolerance: ±5% or tighter (±2%)
Impedance (Max): 100 Ohms or lower
Current - Reverse Leakage @ Vr: 18 µA @ 1 V or lower
Voltage - Forward (Vf) (Max) @ If: 1 V @ 10 mA
RoHS3 Compliance
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed maintain the core electrical specifications and package compatibility required for direct circuit substitution. Variations in tolerance and impedance remain within acceptable engineering margins for Zener diode applications.

Parameter Comparison

Parameter	BZT52C2V7S RRG	BZT52B2V7S R9G	BZT52C2V7S R9G	MM3Z2V7C	MM3Z2V7B	UDZVTE-172.7B
Manufacturer	Taiwan Semiconductor	Taiwan Semiconductor	Taiwan Semiconductor	onsemi	onsemi	Rohm Semiconductor
Voltage - Zener (Nom)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Tolerance	±5%	±2%	±5%	±5%	±2%	-
Power - Max	200 mW	200 mW	200 mW	200 mW	200 mW	200 mW
Impedance (Max)	100 Ohms	100 Ohms	100 Ohms	94 Ohms	94 Ohms	110 Ohms
Current - Reverse Leakage @ Vr	18 µA @ 1 V	18 µA @ 1 V	18 µA @ 1 V	18 µA @ 1 V	18 µA @ 1 V	100 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	1 V @ 10 mA	1 V @ 10 mA	1 V @ 10 mA	1 V @ 10 mA	1 V @ 10 mA	-
Operating Temperature	-65 to 150°C	-65 to 150°C	-65 to 150°C	-65 to 150°C	-65 to 150°C	-55 to 150°C
Package / Case	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F
Mounting Type	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
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalents (Direct Substitution):

BZT52B2V7S R9G and BZT52C2V7S R9G are parametric equivalents manufactured by Taiwan Semiconductor Corporation. Both devices maintain identical electrical specifications to the primary part with the exception of tolerance ratings. BZT52B2V7S R9G offers tighter ±2% tolerance compared to the ±5% specification of the main part. Both are Active status products with full RoHS3 compliance and MSL 1 rating. These parts are suitable for direct circuit substitution where packaging format (Cut Tape & Digi-Reel) is compatible with assembly requirements.

Direct Manufacturer Equivalents (Cross-Manufacturer Substitution):

MM3Z2V7C manufactured by onsemi provides direct functional equivalence with identical 2.7 V nominal voltage, 200 mW power rating, and ±5% tolerance. The device features slightly lower impedance (94 Ohms versus 100 Ohms) and is supplied in Tape & Reel packaging. Operating temperature range matches the primary part specification. RoHS3 compliance and MSL 1 rating are maintained.

Similar Alternatives (Tighter Tolerance Option):

MM3Z2V7B manufactured by onsemi offers ±2% tolerance with identical core electrical specifications. Impedance is 94 Ohms. This part is suitable for applications requiring tighter voltage regulation. Tape & Reel packaging and full compliance certifications are provided.

Alternative with Operational Constraints:

UDZVTE-172.7B manufactured by Rohm Semiconductor maintains 2.7 V nominal voltage and 200 mW power rating in SOD-323F package. This part exhibits higher reverse leakage current (100 µA @ 1 V versus 18 µA @ 1 V) and operates over a reduced temperature range (-55°C to 150°C versus -65°C to 150°C). The device is supplied in UMD2 package format. Selection of this part requires verification that circuit design accommodates the higher leakage specification and reduced low-temperature operating range.

All substitute parts maintain Active product status and full RoHS3 compliance with MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can BZT52B2V7S R9G be used as a direct replacement for BZT52C2V7S RRG?

A: Yes. BZT52B2V7S R9G is a parametric equivalent with identical core electrical specifications. The primary difference is tighter ±2% tolerance compared to ±5%. Both devices are manufactured by Taiwan Semiconductor Corporation in SOD-323F package with matching operating temperature range and compliance certifications.

Q: What is the difference between the Taiwan Semiconductor and onsemi versions?

A: Taiwan Semiconductor parts (BZT52 series) and onsemi parts (MM3Z series) are manufactured by different suppliers but maintain equivalent electrical specifications for the 2.7 V, 200 mW rating. onsemi parts feature slightly lower impedance (94 Ohms versus 100 Ohms). Both are supplied in SOD-323F package with identical compliance ratings.

Q: Is UDZVTE-172.7B suitable for all applications?

A: UDZVTE-172.7B is functionally equivalent for most applications but has two operational constraints: higher reverse leakage current (100 µA @ 1 V versus 18 µA @ 1 V) and reduced low-temperature operating range (-55°C to 150°C versus -65°C to 150°C). Circuit design must accommodate these specifications.

Q: What packaging formats are available?

A: Taiwan Semiconductor parts are supplied in Cut Tape (CT) & Digi-Reel format. onsemi parts are supplied in Tape & Reel (TR) format. Rohm Semiconductor part is supplied in Cut Tape (CT) & Digi-Reel format. All use SOD-323F package case with identical PCB footprint compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) rating, matching the primary part specification.

Q: Which substitute offers the tightest voltage tolerance?

A: BZT52B2V7S R9G and MM3Z2V7B both offer ±2% tolerance, compared to ±5% for the primary part and MM3Z2V7C. Selection between these two depends on packaging format requirements (Cut Tape & Digi-Reel versus Tape & Reel).

Q: Can tolerance differences affect circuit performance?

A: Tolerance differences determine the acceptable voltage variation range. ±2% tolerance parts provide tighter voltage regulation compared to ±5% parts. Circuit design specifications determine whether tighter tolerance is required or if standard ±5% tolerance is acceptable.

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