MMBZ4686-E3-08 Vishay Zener Diode (SOT23 (3-Pin)) In Stock
Vishay MMBZ4686-E3-08 is a 3.9 V single silicon Zener diode with 0.225 W power dissipation and 5% tolerance in an SOT-23 3-pin SMD package. Offers precise voltage regulation for low-power circuits. RoHS-compliant and available with worldwide shipping.
- Manufacturer
- Vishay
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- MMBZ4686-E3-08 Datasheet PDF
- Category
- Zener Diode
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3.9 V Zener voltage with 5% tolerance in compact SOT-23 3-pin package for space-constrained designs
- 0.225 W power dissipation rating suitable for low-power voltage clamping and regulation applications
- RoHS-compliant (e3 JESD-609 code) single silicon Zener diode for modern eco-conscious designs
Applications
The MMBZ4686-E3-08 serves as a precision voltage reference and clamping diode in portable consumer electronics, battery management circuits, and low-power sensor interfaces operating at 3.9 V rails. Its SOT-23 package fits tightly spaced PCB layouts in wearables and IoT devices. It also protects sensitive inputs from transient overvoltage events in signal conditioning circuits.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | ZENER DIODE |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Polarity | UNIDIRECTIONAL |
| Power Dissipation-Max | 0.35W |
| Reference Voltage-Nom | 3.9V |
| Surface Mount | YES |
| Technology | ZENER |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Voltage Tol-Max | 5% |
| Working Test Current | 0.05mA |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the Zener voltage and power rating of MMBZ4686-E3-08?
The MMBZ4686-E3-08 has a Zener voltage of 3.9 V with a 5% tolerance and a maximum power dissipation of 0.225 W. These parameters make it suitable for precision voltage regulation tasks in low-power circuits requiring a stable 3.9 V reference without excessive heat dissipation.
Which package does MMBZ4686-E3-08 use, and how does it benefit PCB layout?
The MMBZ4686-E3-08 is housed in an SOT-23 3-pin SMD package measuring approximately 3.0 mm x 1.4 mm. This small footprint enables high-density PCB layouts in portable electronics, wearables, and IoT modules where board space is at a premium and automated SMT assembly is required.
Can MMBZ4686-E3-08 replace other 3.9 V Zener diodes from different suppliers?
Yes, MMBZ4686-E3-08 can typically replace other 3.9 V, 0.225 W Zener diodes in SOT-23 packages such as BZX84C3V9 or MMBZ4686, provided the replacement meets the same 5% tolerance and reverse leakage specs. Verify the current handling at maximum 0.225 W dissipation and confirm RoHS e3 compliance matches your application requirements.
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About Vishay
Vishay is a leading electronic component manufacturer. FindMyChip sources Vishay ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
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