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Nexperia USA Inc. PLVA653A-QR
- Part No.:
- PLVA653A-QR
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PLVA653A-QR.pdf
- Description:
- DIODE ZENER 5.3V 250MW TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,068
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Product details
Overview
PLVA653A-QR from Nexperia is a low-voltage avalanche regulator diode in SOT23 (TO-236AB) package, designed for precision voltage stabilization at 5.30 V nominal working voltage with ±0.20 V line regulation (ILO = 100 µA to IHI = 1 mA), 250 Ω dynamic resistance, and 22 nA reverse current at VR = 50 % VZ. It serves as a low-noise, automotive-grade voltage reference in CMOS RAM backup and smoke detector relay circuits.
For engineers reviewing the PLVA653A-QR datasheet, PLVA653A-QR pinout, PLVA653A-QR application, or PLVA653A-QR equivalent, key selection criteria include its AEC-Q101 qualification, 250 mW total power dissipation, hard breakdown knee, 1.0 µV/√Hz noise voltage density at 1 kHz, and temperature coefficient of 1.60 mV/K - all critical for low-power, low-noise automotive sensing and memory retention designs.
Technical Context
This device operates as a two-terminal Zener-type avalanche regulator, delivering stable reverse-biased voltage regulation via controlled avalanche breakdown at 5.30 V (typical) with minimal voltage drift over current and temperature. Its hard breakdown knee and low dynamic impedance (250 Ω) ensure tight regulation under varying load conditions.
Qualified per AEC-Q101, it supports automotive ambient temperatures up to 150 °C junction, with thermal resistance Rth(j-a) = 500 K/W on FR4 PCB and non-repetitive peak reverse power dissipation of 30 W (tp = 100 µs). The 1.60 mV/K temperature coefficient enables predictable drift compensation in precision analog references.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 5.10–5.50 V (min–max at IZ = 250 µA); provides stable 5.30 V nominal reference for low-voltage logic and memory backup |
| Dynamic Resistance | 250 Ω (typical at 1 kHz, IZAC = 10 % IZDC); ensures minimal output voltage variation under small-signal AC load changes |
| Reverse Current | 22 nA (typical at VR = 50 % VZ); enables ultra-low standby leakage in battery-backed circuits |
| Line Regulation | 0.2 V (max ΔVZ from ILO = 100 µA to IHI = 1 mA); guarantees tight voltage stability across operating current range |
| Noise Voltage Density | 1.0 µV/√Hz (at f = 1 kHz, B = 1 kHz, IZ = 250 µA); supports low-noise analog signal conditioning and sensor biasing |
| Temperature Coefficient | 1.60 mV/K (typical); allows accurate thermal drift modeling in automotive under-hood applications |
| Total Power Dissipation | 250 mW (max at Tamb = 25 °C); defines safe continuous DC operation on standard FR4 PCB |
Pinout & Package
PLVA653A-QR uses the SOT23 (TO-236AB) surface-mount plastic package: 3-lead, 1.9 mm × 1.1 mm body, 0.9 mm height, with gull-wing leads optimized for reflow soldering on FR4 PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Forward-biased terminal; connects to lower-potential node in reverse-regulation configuration |
| 2 | Not Connected (n.c.) | Internally isolated; must remain unconnected on PCB to avoid parasitic coupling or mechanical stress |
| 3 | Cathode (K) | Regulated output node; connected to supply rail requiring stabilized voltage reference |
Key Features
| Feature | Design Value |
|---|---|
| Very low dynamic impedance | 250 Ω at 250 µA - improves regulation accuracy by reducing output impedance seen by downstream loads |
| Hard breakdown knee | Sharp, well-defined avalanche onset - eliminates soft turn-on ambiguity in precision threshold detection |
| Low noise performance | 1.0 µV/√Hz at 1 kHz - minimizes added noise in sensitive analog front-ends and sensor excitation circuits |
| AEC-Q101 qualification | Stress-tested for automotive discrete semiconductors - validates reliability for under-hood and ADAS subsystems |
| Small voltage tolerance | ±0.20 V line regulation over 100 µA–1 mA range - enables consistent performance without external trimming |
Applications
| CMOS RAM Backup | Smoke Detector Relay Control |
|---|---|
|
Use Scenario: Maintaining volatile SRAM data during main power loss in automotive infotainment or telematics modules. IC Role / Device Role / Timing Role: Low-leakage voltage reference providing stable 5.3 V bias to keep RAM cells active with coin-cell or supercapacitor backup. Use Value: 22 nA reverse current at 50 % VZ extends backup runtime; 0.2 V line regulation prevents data corruption across battery discharge profiles. |
Use Scenario: Driving electromechanical relays in automotive cabin smoke detection systems with strict low-power standby requirements. IC Role / Device Role / Timing Role: Precision voltage limiter ensuring relay coil activation only above defined threshold while rejecting false triggers from EMI or ripple. Use Value: Hard breakdown knee and 250 Ω dynamic resistance deliver repeatable, jitter-free switching; AEC-Q101 rating ensures field reliability. |
| Voltage Stabilizer for Sensor Bias | Low-Noise Analog Reference |
|
Use Scenario: Supplying stable excitation voltage to automotive pressure or temperature sensors in engine control units. IC Role / Device Role / Timing Role: Two-terminal shunt regulator maintaining constant 5.3 V despite supply fluctuations from alternator ripple or load dump transients. Use Value: 1.60 mV/K temperature coefficient enables predictable calibration offset; 250 mW dissipation handles transient surges without derating. |
Use Scenario: Providing clean reference voltage for ADCs in battery management systems monitoring cell voltages. IC Role / Device Role / Timing Role: Ultra-low-noise shunt reference replacing higher-cost bandgap ICs where 1.0 µV/√Hz noise floor is sufficient. Use Value: 1.0 µV/√Hz noise density reduces quantization uncertainty; SOT23 footprint saves board space versus SOIC alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-voltage shunt regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C5V1-Q | 5.1 V nominal, ±5 % tolerance, 600 Ω dynamic resistance, 100 nA IR at VR = 50 % VZ | Higher voltage drift and noise; suitable only for non-critical regulation | Select when cost sensitivity outweighs precision and noise requirements |
| PLVA656A-Q | 5.60 V nominal, 100 Ω dynamic resistance, 1.1 nA IR at VR = 50 % VZ, 1.90 mV/K TC | Higher voltage and tighter leakage enable use in 5.6 V logic rails or higher-accuracy references | Choose for upgraded regulation tightness and lower leakage where 5.6 V matches system architecture |
Compared with BZX84-C5V1-Q, PLVA653A-QR delivers 2.4× lower dynamic resistance and 4.5× lower leakage, enabling superior regulation in battery-constrained systems; versus PLVA656A-Q, it trades 0.3 V lower nominal voltage for reduced thermal drift (1.60 vs. 1.90 mV/K), favoring mid-range automotive analog interfaces.
Availability
PLVA653A-QR is available at Aetrix Electronics and suitable for automotive infotainment backup power, smoke detector relay control, and low-noise sensor biasing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PLVA653A-QR 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 semiconductor expert focused on high-volume, high-reliability essential semiconductors for automotive, industrial, and consumer applications, with leadership in logic, discretes, and MOSFETs.
PLVA6xxA-Q series belongs to Nexperia's AEC-Q101-qualified low-voltage avalanche regulator portfolio, engineered specifically for precision voltage stabilization in automotive safety-critical and low-power memory retention systems.
FAQ
What is the maximum continuous power dissipation for PLVA653A-QR?
The maximum total power dissipation is 250 mW at Tamb = 25 °C on a standard FR4 PCB with single-sided copper. Derating is required above 25 °C at 1.0 mW/K based on Rth(j-a) = 500 K/W; operation beyond this limit risks permanent junction damage.
Is PLVA653A-QR pin-compatible with standard SOT23 Zener diodes?
Yes - it uses standard SOT23 (TO-236AB) footprint with anode (pin 1), no-connect (pin 2), and cathode (pin 3). Pin 2 must remain unconnected; routing to ground or VCC will compromise regulation performance and reliability.
How does the 1.60 mV/K temperature coefficient affect circuit design?
This coefficient means output voltage increases by 1.60 mV per 1 K rise in junction temperature. For a 50 K ambient shift (e.g., −40 °C to +105 °C), expected VZ drift is ±80 mV - requiring calibration or compensation in high-accuracy applications.
Can PLVA653A-QR be used in place of a 5.1 V Zener diode?
Only if the system tolerates 5.30 V nominal regulation and benefits from lower dynamic resistance (250 Ω vs. typical 600+ Ω) and lower leakage (22 nA vs. >100 nA). Voltage-sensitive circuits calibrated for 5.1 V may require layout or firmware adjustment.
PLVA653A-QR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 5.3 V
- Tolerance:
- ±3.77%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 250 Ohms
- Current - Reverse Leakage @ Vr:
- 22 nA @ 2.65 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PLVA653A-QR FAQ
1.How can I place an order for PLVA653A-QR through Aetrix?
Please submit a Request for Quotation (RFQ) for PLVA653A-QR 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 PLVA653A-QR reliable?
The price and inventory of PLVA653A-QR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PLVA653A-QR is usually 5 days.
3.What payment methods are accepted for PLVA653A-QR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PLVA653A-QR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PLVA653A-QR?
PLVA653A-QR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PLVA653A-QR 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 PLVA653A-QR?
For technical support, including PLVA653A-QR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PLVA653A-QR requirements.
6.How does Aetrix verify that PLVA653A-QR is sourced from the original manufacturer or authorized distributors?
All PLVA653A-QR 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 PLVA653A-QR meets industry standards.
7.What is the process for return or replacement of PLVA653A-QR?
All PLVA653A-QR units undergo pre-shipment inspection (PSI). If there is an issue with PLVA653A-QR, 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 PLVA653A-QR part is unused and in its original packaging.
Return procedure for PLVA653A-QR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PLVA653A-QR Tags
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