My Inquiry
My Account
NXP Semiconductors PZU3.3DB2,115
.jpg)
- Part No.:
- PZU3.3DB2,115
- Manufacturer:
- NXP Semiconductors
- Category:
- Zener Diode Arrays
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
PZU3.3DB2,115.pdf
- Description:
- DIODE ZENER DUAL 3.3V 5TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:54,379
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PZU3.3DB2,115 from Nexperia is a dual isolated Zener diode pair in SOT353 (SC-88A) package, designed for precision voltage regulation and overvoltage protection in compact DC power rails. It delivers 3.3 V nominal Zener voltage with ±2 % tolerance, 95 µA maximum reverse current at 0.5 mA test current, and 1000 Ω typical differential resistance - enabling stable reference generation in space-constrained automotive and industrial control circuits.
For engineers reviewing the PZU3.3DB2,115 datasheet, PZU3.3DB2,115 pinout, PZU3.3DB2,115 application, or PZU3.3DB2,115 equivalent, this device supports dual-rail regulation, ESD-tolerant I/O clamping, and AEC-Q101-qualified operation in ambient temperatures from −55 °C to +150 °C - critical for under-hood sensor interfaces and portable power management.
Technical Context
The PZU3.3DB2,115 integrates two electrically isolated Zener diodes in a single 5-pin SOT353 package, with pins 1 and 5 serving as cathodes and pins 3 and 4 as anodes - enabling independent bidirectional clamping or stacked reference configurations. Its halogen-free dark-green plastic body meets RoHS and automotive environmental requirements.
Each diode operates with a nominal 3.3 V Zener voltage (3.25 V min / 3.5 V max), exhibits −2.4 mV/K temperature coefficient at 5 mA, and sustains non-repetitive 40 W peak reverse power dissipation under 100 µs square-wave surge conditions - supporting transient suppression in 12 V automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.3 V nominal (3.25 V to 3.5 V); enables precise 3.3 V rail regulation with low drift across temperature |
| Tolerance | ±2 % (B2 series); ensures tight voltage matching for dual-diode redundancy or differential sensing |
| Reverse Current (IR) | ≤95 µA at 0.5 mA test current; guarantees low leakage in battery-backed standby circuits |
| Differential Resistance (rdif) | 1000 Ω typical; maintains stable regulation under varying load currents up to 200 mA |
| Non-repetitive Peak Power (PZSM) | 40 W at tp = 100 µs; protects downstream ICs from ESD and load-dump transients |
| Total Power Dissipation (Ptot) | 250 mW at Tamb ≤ 25 °C; supports continuous operation in thermally constrained PCB layouts |
| AEC-Q101 Qualified | Validated for automotive discrete applications; permits use in engine control modules and ADAS sensors |
Pinout & Package
SOT353 (SC-88A) 5-pin surface-mount package: 2.2 mm × 1.35 mm footprint, 0.65 mm pitch, halogen-free dark-green plastic body rated for reflow and wave soldering per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (Diode 1) | Forward-biased input for Zener clamp configuration; connects to protected node |
| 2 | Not Connected | No internal connection; must remain unconnected on PCB to avoid parasitic coupling |
| 3 | Anode (Diode 2) | Independent anode for second Zener path; enables dual-rail or back-to-back clamping |
| 4 | Cathode (Diode 2) | Reference output for Diode 2; ties to regulated voltage or ground return |
| 5 | Cathode (Diode 1) | Reference output for Diode 1; used for precision biasing or feedback sensing |
Key Features
| Feature | Design Value |
|---|---|
| Dual isolated Zener structure | Enables independent regulation or clamping of two signals without shared thermal or electrical coupling |
| ±2 % voltage tolerance (B2 series) | Reduces need for external trimming in 3.3 V reference designs for ADCs and microcontrollers |
| −2.4 mV/K temperature coefficient | Minimizes drift over −40 °C to +125 °C operating range in automotive cabin electronics |
| 40 W non-repetitive peak power rating | Withstands ISO 7637-2 Pulse 1/2a/5a transients without degradation in 12 V systems |
| AEC-Q101 qualification | Validates reliability for 15-year service life in safety-critical vehicle subsystems |
Applications
| Automotive Sensor Interface | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting analog inputs of engine coolant temperature sensors against load dump and jump-start surges. IC Role / Device Role / Timing Role: Dual Zener clamps each signal line to 3.3 V reference while isolating sensor ground from ECU ground. Use Value: Prevents latch-up in 3.3 V ADC front-ends during 12 V system transients up to 40 V peak. |
Use Scenario: Safeguarding 24 V digital input modules from field-wiring induced voltage spikes. IC Role / Device Role / Timing Role: Zener pair provides bidirectional clamping between input and 3.3 V logic supply, referenced to isolated ground. Use Value: Limits transient voltage to <3.6 V within 100 ns, meeting IEC 61000-4-4 Level 3 immunity requirements. |
| USB-C Power Delivery Clamp | Medical Instrument Reference |
Use Scenario: Clamping CC1/CC2 communication lines in USB-C receptacles against ESD events. IC Role / Device Role / Timing Role: One diode clamps CC-to-VCONN, the other clamps CC-to-GND, leveraging dual isolation. Use Value: Absorbs 8 kV HBM ESD pulses without forward conduction into 3.3 V controller logic. |
Use Scenario: Providing stable 3.3 V reference for precision analog front-ends in portable ECG monitors. IC Role / Device Role / Timing Role: Dual diodes configured as active-low and active-high references for differential amplifier biasing. Use Value: Maintains <0.5 % reference error across 0–40 °C ambient, meeting IEC 60601-1 accuracy requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B3V3,115 | Single Zener in SOD323; no dual-isolation capability; 3.3 V ±5 % tolerance | Only suitable for single-rail clamping; lacks independent anode/cathode pairing | Select when space allows separate devices and ±5 % tolerance is acceptable |
| PZU3.3BD,115 | Same dual-Zener topology but ±5 % tolerance (B series); identical SOT353 package | Higher voltage variation reduces accuracy in precision reference applications | Choose for cost-sensitive automotive modules where ±2 % is not required |
Compared with PZU3.3DB2,115, BZX384-B3V3,115 sacrifices dual functionality and precision for lower unit cost, while PZU3.3BD,115 retains the same package and isolation but trades ±2 % tolerance for broader voltage spread - making the DB2 variant optimal for high-accuracy dual-rail systems.
Availability
PZU3.3DB2,115 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC input protection, and medical instrument reference circuits requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for PZU3.3DB2,115 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a global leader in high-performance discrete, logic, and PowerMOS semiconductors, spun off from NXP in 2017 and focused on automotive, industrial, and computing markets.
The PZUxDB2 series targets AEC-Q101-compliant voltage regulation and transient protection in space-constrained automotive ECUs and industrial control units - emphasizing precision, reliability, and thermal robustness.
FAQ
What is the maximum continuous forward current rating for PZU3.3DB2,115?
The absolute maximum forward current per diode is 200 mA, verified per IEC 60134 limiting values. This rating applies at ambient temperatures ≤25 °C with standard FR4 PCB mounting; derating is required above 25 °C ambient based on Rth(j-a) = 500 K/W.
Can Pin 2 be used as a thermal pad or grounded for improved heat dissipation?
No - Pin 2 is internally unconnected and must remain floating on the PCB. Connecting it risks parasitic capacitance, noise coupling, or mechanical stress-induced failure; thermal performance relies solely on pins 4 and 5 solder joints per the datasheet's Rth(j-sp) = 200 K/W specification.
Is the −2.4 mV/K temperature coefficient measured per diode or averaged across both?
The −2.4 mV/K coefficient is specified per diode at IZ = 5 mA and Tj = 25 °C, confirmed in Table 8 of the datasheet. Both diodes exhibit matched coefficients due to monolithic fabrication, enabling stable differential reference behavior over temperature.
Does the /DG suffix in PZU3.3DB2/DG affect electrical performance versus PZU3.3DB2,115?
No - the /DG suffix denotes halogen-free packaging only; all electrical parameters including Zener voltage, differential resistance, and surge ratings are identical between PZU3.3DB2,115 and PZU3.3DB2/DG variants, as confirmed in Tables 3, 4, and 8 of the datasheet.
PZU3.3DB2,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Bulk
- Product Status:
- Active
- Configuration:
- 2 Independent
- Voltage - Zener (Nom) (Vz):
- 3.3 V
- Tolerance:
- ±2%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 95 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSSOP
PZU3.3DB2,115 FAQ
1.How can I place an order for PZU3.3DB2,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PZU3.3DB2,115 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PZU3.3DB2,115 reliable?
The price and inventory of PZU3.3DB2,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PZU3.3DB2,115 is usually 5 days.
3.What payment methods are accepted for PZU3.3DB2,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PZU3.3DB2,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PZU3.3DB2,115?
PZU3.3DB2,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PZU3.3DB2,115 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PZU3.3DB2,115?
For technical support, including PZU3.3DB2,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PZU3.3DB2,115 requirements.
6.How does Aetrix verify that PZU3.3DB2,115 is sourced from the original manufacturer or authorized distributors?
All PZU3.3DB2,115 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PZU3.3DB2,115 meets industry standards.
7.What is the process for return or replacement of PZU3.3DB2,115?
All PZU3.3DB2,115 units undergo pre-shipment inspection (PSI). If there is an issue with PZU3.3DB2,115, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PZU3.3DB2,115 part is unused and in its original packaging.
Return procedure for PZU3.3DB2,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PZU3.3DB2,115 Tags
-
MMBZ18VALT1G
onsemi
-
AZ23C18-7-F
Diodes Incorporated
-
MMBZ6V2ALT1G
onsemi
-
MMBZ5V6ALT1G
onsemi
-
MMBZ6V8ALT1G
onsemi
-
MMBZ5V6ALT3G
onsemi
-
MMBZ33VALT1G
onsemi
-
MMBZ9V1ALT1G
onsemi
-
MMBZ20VALT1G
onsemi
-
SZMMBZ27VALT1G
onsemi
-
MMBZ15VALT1G
onsemi
-
MMBZ12VALT1G
onsemi
Tech Hub
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
