BZT52C8V2-TP Equivalent & Substitute Parts

Part Overview

The BZT52C8V2-TP is a Zener diode manufactured by Micro Commercial Co, rated at 8.2 V nominal voltage with 200 mW maximum power dissipation in a surface mount SOD-123 package. This component is classified as Active and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical characteristics (Zener voltage, power rating, tolerance, and impedance) and mechanical compatibility (package type and mounting method). Alternative parts are necessary when the primary part is unavailable, when higher power ratings are required for thermal margin, or when alternative packaging formats are preferred for specific board layouts.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	8.2	V
Tolerance	±6%	—
Power - Max	200	mW
Impedance (Max)	15	Ohms
Current - Reverse Leakage @ Vr	700 nA @ 5 V	—
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	—
Operating Temperature	-65 to 150	°C
Package / Case	SOD-123	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BZT52C8V2-TP is determined by the following criteria:

Primary Substitution Criteria:

Zener voltage (Vz) must be 8.2 V nominal
Tolerance must be ±6% or tighter
Power rating must be equal to or greater than 200 mW
Impedance (Zzt) must be 15 Ohms or lower
Reverse leakage current must be 700 nA @ 5 V or lower
Forward voltage must not exceed 900 mV @ 10 mA
Operating temperature range must encompass -65°C to 150°C
Package must be SOD-123 (for direct mechanical compatibility)
Mounting type must be Surface Mount
RoHS3 compliance is required

Secondary Substitution Criteria (Alternative Packages):

Parts with different package types (SOD-323, X1-DFN1006-2) are listed as similar alternatives when electrical parameters match but mechanical compatibility differs
Automotive-grade parts (AEC-Q101 qualified) are compatible when electrical specifications align

Parts are grouped as Direct Substitutes when all primary criteria are met with identical packaging. Parts are grouped as Similar when electrical parameters match but package or tolerance specifications differ.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vz (V)	Tolerance	Power (mW)	Zzt (Ohms)	Ir @ Vr	Vf (Max) @ If	Temp Range (°C)	Package	Status
BZT52C8V2-TP	Micro Commercial Co	8.2	±6%	200	15	700 nA @ 5 V	900 mV @ 10 mA	-65 to 150	SOD-123	Active
BZT52C8V2-13-F	Diodes Incorporated	8.2	±6%	370	15	700 nA @ 5 V	900 mV @ 10 mA	-65 to 150	SOD-123	Active
BZT52C8V2-7-F	Diodes Incorporated	8.2	±6%	500	15	700 nA @ 5 V	900 mV @ 10 mA	-65 to 150	SOD-123	Active
BZT52B8V2-E3-08	Vishay General Semiconductor - Diodes Division	8.2	±2%	410	7	100 nA @ 6 V	—	-55 to 150	SOD-123	Active
BZT52C8V2-G3-08	Vishay General Semiconductor - Diodes Division	8.2	±5%	410	7	100 nA @ 6 V	—	-55 to 150	SOD-123	Active
BZT52C8V2LP-7	Diodes Incorporated	8.2	±6%	250	15	700 nA @ 5 V	900 mV @ 10 mA	-65 to 150	X1-DFN1006-2 (0402)	Active
BZT52C8V2Q-7-F	Diodes Incorporated	8.2	±6.1%	370	15	700 nA @ 5 V	900 mV @ 10 mA	-65 to 150	SOD-123	Active
DDZ8V2CQ-7	Diodes Incorporated	8.2	±3%	310	8	100 nA @ 6.5 V	900 mV @ 10 mA	-65 to 150	SOD-123	Active
DDZ8V2CS-7	Diodes Incorporated	8.2	±2.55%	200	8	100 nA @ 6.5 V	900 mV @ 10 mA	-65 to 150	SOD-323	Active
DDZ9694-7	Diodes Incorporated	8.2	±5%	500	—	100 nA @ 6.2 V	900 mV @ 10 mA	-65 to 150	SOD-123	Active
DDZ9694S-7	Diodes Incorporated	8.2	±5%	200	—	100 nA @ 6.2 V	900 mV @ 10 mA	-65 to 150	SOD-323	Active

Engineering Selection Recommendations

Direct Substitutes (SOD-123 Package, Identical Mechanical Compatibility):

The following parts are direct substitutes for the BZT52C8V2-TP and maintain identical mechanical compatibility with SOD-123 surface mount footprints:

BZT52C8V2-13-F (Diodes Incorporated): Provides 370 mW power rating with matching ±6% tolerance and electrical characteristics. Suitable for applications requiring higher thermal margin.
BZT52C8V2-7-F (Diodes Incorporated): Provides 500 mW power rating with matching ±6% tolerance and electrical characteristics. Suitable for high-power applications.
BZT52C8V2Q-7-F (Diodes Incorporated): Automotive-grade part (AEC-Q101 qualified) with 370 mW power rating and ±6.1% tolerance. Suitable for automotive applications requiring equivalent electrical performance.
DDZ9694-7 (Diodes Incorporated): Provides 500 mW power rating with ±5% tolerance and lower reverse leakage current (100 nA @ 6.2 V). Suitable for precision applications.

Enhanced Performance Alternatives (SOD-123 Package):

BZT52B8V2-E3-08 (Vishay): Offers tighter ±2% tolerance, lower impedance (7 Ohms), and lower reverse leakage (100 nA @ 6 V) with 410 mW power rating. Operating temperature range is -55°C to 150°C (does not extend to -65°C).
BZT52C8V2-G3-08 (Vishay): Offers ±5% tolerance, lower impedance (7 Ohms), and lower reverse leakage (100 nA @ 6 V) with 410 mW power rating. Operating temperature range is -55°C to 150°C (does not extend to -65°C).
DDZ8V2CQ-7 (Diodes Incorporated): Automotive-grade part (AEC-Q101 qualified) with ±3% tolerance, lower impedance (8 Ohms), and lower reverse leakage (100 nA @ 6.5 V) with 310 mW power rating.

Alternative Package Options:

BZT52C8V2LP-7 (Diodes Incorporated): Provides 250 mW power rating in X1-DFN1006-2 (0402 Metric) package. Electrical characteristics match the main part. Use only when board layout requires smaller package footprint.
DDZ8V2CS-7 (Diodes Incorporated): Provides 200 mW power rating in SOD-323 (SC-76) package with ±2.55% tolerance and lower reverse leakage. Use only when SOD-323 footprint is required.
DDZ9694S-7 (Diodes Incorporated): Provides 200 mW power rating in SOD-323 (SC-76) package with ±5% tolerance. Use only when SOD-323 footprint is required.

All listed parts are Active status and ROHS3 compliant. Selection should be based on power dissipation requirements, tolerance specifications, and package compatibility with the target application.

Frequently Asked Questions (FAQ)

Q: Can BZT52C8V2-13-F be used as a direct replacement for BZT52C8V2-TP?

A: Yes. The BZT52C8V2-13-F is a direct substitute. Both parts have identical Zener voltage (8.2 V), tolerance (±6%), impedance (15 Ohms), reverse leakage (700 nA @ 5 V), forward voltage (900 mV @ 10 mA), operating temperature range (-65°C to 150°C), and SOD-123 package. The BZT52C8V2-13-F provides higher power dissipation (370 mW vs. 200 mW), which increases thermal margin without affecting circuit operation.

Q: What is the difference between BZT52C8V2-7-F and BZT52C8V2-TP?

A: Both parts have identical electrical specifications (8.2 V Zener voltage, ±6% tolerance, 700 nA reverse leakage @ 5 V, 900 mV forward voltage @ 10 mA, -65°C to 150°C operating range, SOD-123 package). The primary difference is power rating: BZT52C8V2-7-F is rated at 500 mW compared to 200 mW for BZT52C8V2-TP. The higher power rating provides additional thermal capacity for applications with higher current demands.

Q: Why would I choose a Vishay part like BZT52B8V2-E3-08 over the Diodes Incorporated alternatives?

A: The Vishay BZT52B8V2-E3-08 offers tighter tolerance (±2% vs. ±6%), lower impedance (7 Ohms vs. 15 Ohms), and lower reverse leakage current (100 nA @ 6 V vs. 700 nA @ 5 V). These characteristics provide better voltage regulation and lower leakage in precision applications. However, the operating temperature range is -55°C to 150°C, which does not extend to -65°C. Selection depends on whether the lower temperature limit is required for the application.

Q: Can I use DDZ8V2CS-7 (SOD-323 package) instead of BZT52C8V2-TP (SOD-123 package)?

A: Electrically, yes. Both parts have 8.2 V Zener voltage, 200 mW power rating, and compatible electrical characteristics. However, DDZ8V2CS-7 uses SOD-323 (SC-76) package while BZT52C8V2-TP uses SOD-123 package. These packages have different footprints and are not mechanically interchangeable on the same PCB. Use DDZ8V2CS-7 only if the board layout is designed for SOD-323 package.

Q: What does AEC-Q101 qualification mean for automotive parts like BZT52C8V2Q-7-F?

A: AEC-Q101 is an automotive industry qualification standard that certifies the part meets stringent reliability and performance requirements for automotive applications. Parts with AEC-Q101 qualification (such as BZT52C8V2Q-7-F and DDZ8V2CQ-7) are suitable for automotive circuits. Non-automotive parts can still be used in non-automotive applications.

Q: Why does DDZ9694-7 have lower reverse leakage (100 nA @ 6.2 V) compared to BZT52C8V2-TP (700 nA @ 5 V)?

A: Different manufacturers use different measurement conditions and process technologies. DDZ9694-7 is measured at 6.2 V while BZT52C8V2-TP is measured at 5 V. Lower reverse leakage indicates better performance in precision voltage regulation applications. Both values are within acceptable ranges for standard Zener diode applications.

Q: Is BZT52C8V2LP-7 (0402 package) suitable for my application if I need to save board space?

A: BZT52C8V2LP-7 has identical electrical specifications to BZT52C8V2-TP (8.2 V, ±6% tolerance, 700 nA reverse leakage @ 5 V, 900 mV forward voltage @ 10 mA, -65°C to 150°C). The X1-DFN1006-2 (0402 Metric) package is significantly smaller than SOD-123. Use this part only if your PCB layout and assembly process support 0402 package footprints.

Q: Can I use a higher power-rated part like BZT52C8V2-7-F (500 mW) in place of BZT52C8V2-TP (200 mW)?

A: Yes. Higher power-rated parts are backward compatible. The BZT52C8V2-7-F will function identically to BZT52C8V2-TP in the circuit while providing additional thermal margin. This is beneficial in applications where thermal stress is a concern. No circuit modifications are required.

Q: What is the significance of impedance (Zzt) in Zener diode selection?

A: Impedance (Zzt) affects voltage regulation quality. Lower impedance provides better voltage stability under varying load conditions. BZT52C8V2-TP has 15 Ohms impedance, while Vishay parts (BZT52B8V2-E3-08, BZT52C8V2-G3-08) have 7 Ohms impedance. For precision voltage regulation, lower impedance is preferable. For standard applications, both values are acceptable.

Q: Are all listed parts ROHS3 compliant?

A: Yes. All parts listed in this reference are ROHS3 compliant and suitable for applications requiring RoHS compliance.

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