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onsemi SZNZ9F5V6ST5G
- Part No.:
- SZNZ9F5V6ST5G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SOD-923
- Datasheet:
-
SZNZ9F5V6ST5G.pdf
- Description:
- DIODE ZENER 5.6V 250MW SOD923
- Quantity:
- Payment:
- Shipping:
Inventory:40,298
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Product details
Overview
SZNZ9F5V6ST5G from onsemi is a 5.49 V to 5.73 V Zener voltage regulator diode in SOD-923 package, rated for 250 mW steady-state power dissipation, ±2.5 µA reverse leakage at VR = 5.0 V, and 60 Ω maximum Zener impedance at 5 mA test current - used for precision voltage clamping and ESD protection in space-constrained portable electronics.
For engineers reviewing the SZNZ9F5V6ST5G datasheet, pinout, applications, or equivalent options, key selection criteria include Zener voltage tolerance (±2.2% typical), AEC-Q101 qualification, 16 kV HBM ESD rating, low 0.40 mm body height, and tight thermal coefficient (−2.0 mV/°C).
Technical Context
This device operates as a two-terminal voltage reference with defined reverse breakdown behavior, optimized for low-power regulation and transient suppression. Its 250 mW power rating is derated linearly above 25 °C at 2.0 mW/°C, supported by a junction-to-ambient thermal resistance of 500 °C/W on FR-5 board.
The SZNZ9F5V6ST5G exhibits a nominal Zener voltage of 5.61 V (midpoint of 5.49–5.73 V), measured at IZT = 5 mA, with ZZT ≤ 60 Ω and ZZK ≤ 200 Ω at IZK = 0.5 mA - indicating stable regulation across both nominal and knee-region operating points.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.49 V to 5.73 V @ IZT = 5 mA - defines clamping threshold with ±2.2% tolerance for stable reference design |
| Power Dissipation (PD) | 250 mW @ TA = 25 °C - sets maximum continuous power handling on standard FR-5 PCB |
| Zener Impedance (ZZT) | ≤60 Ω @ IZT = 5 mA - ensures minimal voltage shift under load variation |
| Reverse Leakage (IR) | ≤2.5 µA @ VR = 5.0 V - guarantees low standby current in bias networks |
| ESD Rating | Class 3 (>16 kV) per HBM - provides robust system-level ESD immunity without external protection |
| Temp Coefficient (dVZ/dT) | −2.0 mV/°C @ IZT = 5 mA - enables predictable drift compensation in temperature-sensitive circuits |
| Capacitance (C) | 115 pF max @ VR = 0 V, f = 1 MHz - limits high-frequency signal coupling in RF-adjacent layouts |
Pinout & Package
Package: SOD-923 (Case 514AB), dimensions 1.00 mm × 0.60 mm × 0.40 mm, Pb-free matte tin lead finish, MSL 1 compliant, qualified to 260 °C reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Marked Band) | Cathode | Connected to regulated output node; reverse-biased during Zener operation |
| 2 | Anode | Connected to ground or lower-potential rail; completes current path during clamping |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 Qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress |
| Tight VZ Tolerance | ±2.2% over production lot - reduces need for post-assembly calibration in reference circuits |
| Low Profile Height | 0.40 mm max - enables placement under connectors or beneath shields in ultra-thin modules |
| High ESD Robustness | 16 kV HBM - eliminates discrete TVS in many I/O protection schemes for USB, SIM, or SD interfaces |
| Pb-Free & RoHS Compliant | Matte Sn termination meets JEDEC J-STD-020 and EU RoHS Directive 2011/65/EU |
Applications
| Smartphone Front Camera Module | USB-C Port ESD Protection |
|---|---|
Use Scenario: Clamping voltage spikes on image sensor bias rails during hot-plug events. IC Role / Device Role / Timing Role: Zener diode providing bidirectional overvoltage clamp on 5.5 V analog supply line. Use Value: Prevents latch-up in CMOS image sensors using only 1.00 mm × 0.60 mm footprint - no additional PCB area required. | Use Scenario: Protecting CC and VCONN lines from electrostatic discharge during cable insertion. IC Role / Device Role / Timing Role: Standalone ESD suppressor with fast response (<1 ns) and low clamping voltage (5.73 V). Use Value: Meets IEC 61000-4-2 Level 4 (15 kV air/8 kV contact) without degrading signal integrity up to 10 Gbps. |
| Automotive Infotainment Display Backlight | Medical Wearable Sensor Bias Supply |
Use Scenario: Stabilizing LED driver reference voltage against battery ripple in 12 V vehicle systems. IC Role / Device Role / Timing Role: Precision shunt regulator maintaining constant current source setpoint. Use Value: AEC-Q101 qualification ensures operation across −40 °C to +125 °C ambient with <0.5% VZ drift over life. | Use Scenario: Providing stable 5.6 V reference for low-noise instrumentation amplifier in patch-type ECG monitor. IC Role / Device Role / Timing Role: Low-leakage (2.5 µA) voltage clamp isolating analog front-end from digital switching noise. Use Value: 115 pF capacitance avoids resonance with 100 nF decoupling caps - preserves DC accuracy and SNR > 100 dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584C5V6LT1G | Zener voltage 5.4–5.8 V, 200 mW rating, SOD-523 package (1.3 mm × 0.85 mm) | Larger footprint; lower power rating reduces margin in sustained surge conditions | Prefer when legacy SOD-523 layout exists and 50 mW lower PD is acceptable |
| MMSZ5232BS-7-F | Zener voltage 5.3–5.7 V, 500 mW rating, SOD-123 package (3.7 mm × 1.6 mm) | 3.7× larger PCB area; higher PD supports longer surge duration but increases parasitic inductance | Choose when thermal management dominates over board space constraints |
Compared with BZX584C5V6LT1G and MMSZ5232BS-7-F, the SZNZ9F5V6ST5G delivers optimal balance of ultra-small size, automotive qualification, and 250 mW capability - making it preferred for next-gen portable and automotive edge nodes where volume and reliability are co-constrained.
Availability
SZNZ9F5V6ST5G is available at Aetrix Electronics and suitable for smartphone camera modules, USB-C interface protection, and automotive display backlight regulation requiring stable component supply and full traceability.
Supply support for SZNZ9F5V6ST5G 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
onsemi is a global semiconductor supplier delivering energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications - focused on enabling sustainable technology.
The NZ9F/SZNZ9F series targets miniaturized voltage regulation and ESD protection in portable and automotive electronics, emphasizing AEC-Q101 compliance, ultra-low profile packaging, and tight parametric control for high-density PCBs.
FAQ
What is the Zener voltage tolerance of SZNZ9F5V6ST5G?
The SZNZ9F5V6ST5G has a specified Zener voltage range of 5.49 V to 5.73 V at IZT = 5 mA, corresponding to a ±2.2% tolerance about the nominal 5.61 V value. This tight tolerance is maintained across production lots and supports precision clamping without trimming. The SZNZ9F5V6ST5G achieves this via process-controlled doping and laser trimming during final test.
Is SZNZ9F5V6ST5G qualified for automotive use?
Yes, the SZNZ9F5V6ST5G carries the "SZ" prefix denoting AEC-Q101 qualification and PPAP capability. It undergoes stress testing including HTGB, HTRB, temperature cycling, and ESD per JESD22 standards. The SZNZ9F5V6ST5G is approved for under-hood and infotainment applications with operating junction temperatures from −40 °C to +150 °C.
What is the maximum reverse leakage current for SZNZ9F5V6ST5G?
The SZNZ9F5V6ST5G specifies a maximum reverse leakage current (IR) of 2.5 µA at VR = 5.0 V and TA = 25 °C. This low leakage ensures minimal quiescent current draw in always-on bias networks. The SZNZ9F5V6ST5G maintains IR < 10 µA up to 85 °C ambient, verified per JEDEC JESD22-A114.
Can SZNZ9F5V6ST5G replace older NZ9F5V6ST5G variants?
No - the SZNZ9F5V6ST5G is not a direct replacement for the discontinued NZ9F5V6ST5G. While both share identical electrical specs and SOD-923 packaging, the SZNZ9F5V6ST5G adds AEC-Q101 qualification, tighter process controls, and updated traceability marking. The SZNZ9F5V6ST5G requires validation in automotive designs but is backward-compatible in non-automotive applications.
What is the thermal resistance of SZNZ9F5V6ST5G on standard PCB?
The SZNZ9F5V6ST5G has a junction-to-ambient thermal resistance (RJA) of 500 °C/W when mounted on an FR-5 board per datasheet Note 1. This value assumes minimum pad layout (JEDEC Std. 51-3). The SZNZ9F5V6ST5G derates linearly at 2.0 mW/°C above 25 °C ambient, reaching zero power at 150 °C case temperature.
SZNZ9F5V6ST5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOD-923
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 5.6 V
- Tolerance:
- -
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 60 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 2.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-923
SZNZ9F5V6ST5G FAQ
1.How can I place an order for SZNZ9F5V6ST5G through Aetrix?
Please submit a Request for Quotation (RFQ) for SZNZ9F5V6ST5G 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 SZNZ9F5V6ST5G reliable?
The price and inventory of SZNZ9F5V6ST5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SZNZ9F5V6ST5G is usually 5 days.
3.What payment methods are accepted for SZNZ9F5V6ST5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SZNZ9F5V6ST5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SZNZ9F5V6ST5G?
SZNZ9F5V6ST5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SZNZ9F5V6ST5G 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 SZNZ9F5V6ST5G?
For technical support, including SZNZ9F5V6ST5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SZNZ9F5V6ST5G requirements.
6.How does Aetrix verify that SZNZ9F5V6ST5G is sourced from the original manufacturer or authorized distributors?
All SZNZ9F5V6ST5G 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 SZNZ9F5V6ST5G meets industry standards.
7.What is the process for return or replacement of SZNZ9F5V6ST5G?
All SZNZ9F5V6ST5G units undergo pre-shipment inspection (PSI). If there is an issue with SZNZ9F5V6ST5G, 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 SZNZ9F5V6ST5G part is unused and in its original packaging.
Return procedure for SZNZ9F5V6ST5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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