Request Quote
(Ships tomorrow)
BZT52C6V8S-TP Equivalent & Substitute Parts
Part Overview
The BZT52C6V8S-TP is a Zener diode manufactured by Micro Commercial Co, rated at 6.8 V nominal with 200 mW maximum power dissipation in a surface mount SOD-323 package. This component is classified as Active and RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range, enabling procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 6.8 | V |
| Tolerance | ±6% | — |
| Power - Max | 200 | mW |
| Impedance (Max) | 15 | Ohms |
| Current - Reverse Leakage @ Vr | 2 | µA @ 4 V |
| Voltage - Forward (Vf) (Max) @ If | 900 | mV @ 10 mA |
| Operating Temperature | -65 to 150 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | SC-76, SOD-323 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the BZT52C6V8S-TP are classified into two categories based on electrical and mechanical compatibility:
Direct Substitutes maintain identical or superior electrical specifications within the same package footprint (SOD-323). These parts share the 6.8 V nominal zener voltage, ±6% tolerance band, and equivalent operating temperature range. Direct substitutes may feature increased power ratings (300 mW) while maintaining backward compatibility.
Similar Substitutes share the core 6.8 V zener voltage specification but differ in one or more parameters including tolerance, power rating, package variant (SOD-323F), impedance, or reverse leakage characteristics. These parts require design verification to confirm suitability for the specific application circuit.
Key substitution criteria:
- Voltage - Zener (Nom): 6.8 V (fixed requirement)
- Mounting Type: Surface Mount (fixed requirement)
- Package compatibility: SOD-323 or SOD-323F (mechanical footprint consideration)
- Power - Max: Equal to or greater than 200 mW
- Operating Temperature: Minimum -65°C to 150°C range
- RoHS3 Compliance: Required for regulatory alignment
Parameter Comparison
| Part Number | Manufacturer | Vz (V) | Tolerance | Power (mW) | Zzt (Ohms) | Ir @ Vr (µA) | Vf @ If (mV) | Temp Range (°C) | Package | Substitution Type |
|---|---|---|---|---|---|---|---|---|---|---|
| BZT52C6V8S-TP | Micro Commercial Co | 6.8 | ±6% | 200 | 15 | 2 @ 4 V | 900 @ 10 mA | -65 to 150 | SOD-323 | Main Part |
| MM3Z6V8T1G | onsemi | 6.8 | ±6% | 300 | 15 | 2 @ 4 V | 900 @ 10 mA | -65 to 150 | SOD-323 | Direct |
| SZMM3Z6V8T1G | onsemi | 6.8 | ±6% | 300 | 15 | 2 @ 4 V | 900 @ 10 mA | -65 to 150 | SOD-323 | Direct |
| BZX384B6V8-G3-08 | Vishay General Semiconductor | 6.8 | ±2% | 200 | 15 | 2 @ 4 V | — | -55 to 150 | SOD-323 | Similar |
| BZX84J-B6V8,115 | Nexperia USA Inc. | 6.8 | ±2% | 550 | 15 | 2 @ 4 V | 1100 @ 100 mA | -65 to 150 | SOD-323F | Similar |
| BZX84J-C6V8,115 | Nexperia USA Inc. | 6.8 | ±5% | 550 | 15 | 2 @ 4 V | 1100 @ 100 mA | -65 to 150 | SOD-323F | Similar |
| CMDZ5235B TR PBFREE | Central Semiconductor Corp | 6.8 | ±5% | 250 | 5 | 3 @ 5 V | 900 @ 10 mA | -65 to 150 | SOD-323 | Similar |
| DDZ6V8CSF-7 | Diodes Incorporated | 6.84 | ±3% | 500 | 30 | 7.5 @ 4 V | 900 @ 10 mA | -65 to 150 | SOD-323F | Similar |
| DDZ9692S-7 | Diodes Incorporated | 6.8 | ±5% | 200 | — | 0.1 @ 5.1 V | 900 @ 10 mA | -65 to 150 | SOD-323 | Similar |
| MM3Z6V8B | onsemi | 6.8 | ±2% | 200 | 14 | 1.8 @ 4 V | 1000 @ 10 mA | -65 to 150 | SOD-323F | Similar |
| MM3Z6V8C | Fairchild Semiconductor | 6.8 | ±5% | 200 | 14 | 1.8 @ 4 V | 1000 @ 10 mA | -65 to 150 | SOD-323F | Similar |
Engineering Selection Recommendations
Direct Substitutes (MM3Z6V8T1G, SZMM3Z6V8T1G):
MM3Z6V8T1G and SZMM3Z6V8T1G are functionally equivalent to BZT52C6V8S-TP with increased power dissipation capability (300 mW versus 200 mW). Both maintain identical zener voltage (6.8 V), tolerance (±6%), impedance (15 Ohms), and operating temperature range (-65°C to 150°C). Both are RoHS3 compliant with MSL 1 rating. SZMM3Z6V8T1G carries AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability. These parts are pin-compatible and footprint-compatible with the original BZT52C6V8S-TP.
Similar Substitutes with Tighter Tolerance (BZX384B6V8-G3-08, BZX84J-B6V8,115, BZX84J-C6V8,115, MM3Z6V8B):
These parts maintain 6.8 V zener voltage with improved tolerance specifications (±2% or ±5%). BZX384B6V8-G3-08 matches the 200 mW power rating and SOD-323 package but operates to -55°C minimum (versus -65°C). BZX84J-B6V8,115 and BZX84J-C6V8,115 feature 550 mW power rating in SOD-323F package with AEC-Q101 qualification. MM3Z6V8B provides 200 mW in SOD-323F package with ±2% tolerance. All are RoHS3 compliant.
Similar Substitutes with Increased Power Rating (BZX84J-B6V8,115, BZX84J-C6V8,115, DDZ6V8CSF-7):
These parts provide higher power dissipation (550 mW or 500 mW) in SOD-323F or SOD-323F packages. BZX84J variants include AEC-Q101 automotive qualification. DDZ6V8CSF-7 operates at 6.84 V nominal (within tolerance band) with 500 mW rating. These selections are appropriate for applications requiring enhanced thermal performance or higher current handling.
Similar Substitutes with Equivalent Power Rating (CMDZ5235B TR PBFREE, DDZ9692S-7, MM3Z6V8C):
CMDZ5235B provides 250 mW in SOD-323 package with lower impedance (5 Ohms). DDZ9692S-7 matches 200 mW rating with significantly lower reverse leakage (100 nA @ 5.1 V). MM3Z6V8C offers 200 mW in SOD-323F package with ±5% tolerance. All maintain -65°C to 150°C operating range and RoHS3 compliance.
Frequently Asked Questions (FAQ)
Q: Can MM3Z6V8T1G directly replace BZT52C6V8S-TP without circuit modification?
A: Yes. MM3Z6V8T1G is a direct substitute with identical electrical specifications (6.8 V, ±6%, 15 Ohms impedance) and operating temperature range. The increased power rating (300 mW versus 200 mW) provides additional thermal margin. Both use SOD-323 package with identical pinout and footprint.
Q: What is the difference between SOD-323 and SOD-323F packages?
A: SOD-323 and SOD-323F are distinct package variants with different mechanical dimensions. SOD-323 is the standard form factor; SOD-323F is a variant with modified lead geometry. Parts specified for SOD-323 are not mechanically interchangeable with SOD-323F without PCB layout modification.
Q: Why do some substitute parts have different tolerance specifications?
A: Tolerance specifications reflect manufacturing process capabilities and quality grades. BZX384B6V8-G3-08 offers ±2% tolerance versus the original ±6%, providing tighter voltage regulation at the cost of potentially higher component cost. Selection depends on circuit requirements for voltage accuracy.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry RoHS3 compliance status, meeting regulatory requirements for hazardous substance restrictions.
Q: What does AEC-Q101 qualification indicate?
A: AEC-Q101 is an automotive electronics qualification standard. Parts carrying this designation (SZMM3Z6V8T1G, BZX84J-B6V8,115, BZX84J-C6V8,115) meet automotive reliability and quality requirements and are suitable for automotive applications.
Q: Can I use a 550 mW rated part (BZX84J-B6V8,115) in place of a 200 mW part?
A: Yes, from an electrical standpoint. Higher power rating provides additional thermal headroom. However, the SOD-323F package differs mechanically from SOD-323, requiring PCB layout verification. Confirm footprint compatibility before substitution.
Q: What is the significance of reverse leakage current specifications?
A: Reverse leakage current (Ir) indicates the small current flowing through the diode in reverse bias condition. Lower leakage (DDZ9692S-7 at 100 nA) indicates superior reverse blocking characteristics. Higher leakage (DDZ6V8CSF-7 at 7.5 µA) is typical for higher power devices. Selection depends on circuit sensitivity to leakage current.
Q: How does impedance (Zzt) affect circuit performance?
A: Impedance affects voltage regulation quality under dynamic load conditions. Lower impedance (CMDZ5235B at 5 Ohms) provides better voltage stability; higher impedance (DDZ6V8CSF-7 at 30 Ohms) may result in greater voltage variation. Select based on circuit regulation requirements.
Q: Is packaging format (Tape & Reel versus Cut Tape) relevant to electrical substitution?
A: Packaging format affects procurement and handling but does not impact electrical performance. Tape & Reel (TR) and Cut Tape (CT) formats contain identical components; selection depends on assembly process requirements and order quantities.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts