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Diodes Incorporated MMBZ5226BTS-7-F
- Part No.:
- MMBZ5226BTS-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Zener Diode Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
MMBZ5226BTS-7-F.pdf
- Description:
- DIODE ZENER ARRAY 3.3V SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:5,791
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Product details
Overview
MMBZ5226BTS-7-F from Diodes Incorporated is a triple-surface-mount Zener diode array in SOT363 package, providing three isolated 3.3 V ±5% Zener references with 20 mA test current, 28 Ω dynamic impedance at 20 mA, and 25 µA reverse leakage at 1.0 V. It delivers precision voltage regulation for low-power biasing and signal clamping in space-constrained analog front-ends.
For engineers reviewing the MMBZ5226BTS-7-F datasheet, MMBZ5226BTS-7-F pinout, MMBZ5226BTS-7-F application, or MMBZ5226BTS-7-F equivalent, key selection criteria include nominal Zener voltage (3.3 V), Zener impedance (28 Ω @ 20 mA), power dissipation (200 mW), thermal resistance (625 °C/W), and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This device integrates three independent Zener diodes in a single ultra-small SOT363 package, enabling compact multi-rail voltage reference or clamping without inter-device coupling. Each diode operates with a specified Zener voltage of 3.3 V (min 3.14 V, max 3.47 V) at IZT = 20 mA and exhibits low dynamic impedance (28 Ω) and tight leakage control (25 µA @ VR = 1.0 V).
Thermally, it supports operation from −65 °C to +150 °C and derates linearly above +25 °C per the published curve (200 mW → 0 W at +150 °C). Its lead-free, halogen-free construction complies with AEC-Q101, making it suitable for under-hood automotive modules where reliability and environmental compliance are mandatory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.3 V nominal, 3.14–3.47 V range at 20 mA - ensures stable reference within ±5% tolerance for precision bias networks |
| Zener Impedance (ZZT) | 28 Ω at 20 mA - minimizes output voltage variation under load changes in feedback or clamp circuits |
| Power Dissipation (PD) | 200 mW at TA = 25 °C - defines maximum continuous DC power handling on standard FR4 PCB |
| Reverse Leakage (IR) | 25 µA at VR = 1.0 V - guarantees low standby current in high-impedance sensing paths |
| Thermal Resistance (RθJA) | 625 °C/W - determines junction temperature rise under given ambient and power conditions |
| Operating Temperature | −65 °C to +150 °C - supports deployment in extended-temperature automotive and industrial environments |
Pinout & Package
Package: SOT363 - ultra-small surface-mount plastic case (2.10 × 1.30 × 0.95 mm), UL 94V-0 rated, moisture sensitivity level 1, compatible with automated reflow assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Anode of Diode 1 | Input terminal for first Zener; connects to cathode of external series resistor in shunt regulator |
| A2 | Anode of Diode 2 | Independent anode node for second Zener; enables dual-rail clamping without shared current path |
| A3 | Anode of Diode 3 | Third isolated anode; allows simultaneous regulation of three separate signal lines or supply rails |
| C1 | Cathode of Diode 1 | Reference output node for Diode 1; tied to ground or feedback point in voltage reference design |
| C2 | Cathode of Diode 2 | Separate cathode output for Diode 2; prevents cross-talk between regulated outputs |
| C3 | Cathode of Diode 3 | Third independent cathode; supports triple-output protection or reference architecture |
Key Features
| Feature | Design Value |
|---|---|
| Triple isolated Zeners | Enables independent voltage clamping or referencing on three signals without shared thermal or electrical coupling |
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics requiring high-reliability stress screening |
| Lead-free & halogen-free | Meets RoHS 2 and automotive green standards (<900 ppm Br/Cl, <1000 ppm Sb), supporting eco-compliant manufacturing |
| SOT363 footprint | Reduces board area by >60% vs. discrete SOD-323 Zeners; compatible with fine-pitch 0.65 mm pitch reflow processes |
Applications
| Automotive Cabin Sensors | Industrial Analog Input Modules |
|---|---|
Use Scenario: Voltage clamping of thermistor and Hall-effect sensor outputs in HVAC and seat position modules. IC Role / Device Role / Timing Role: Zener diode array provides overvoltage protection and stable bias reference for signal conditioning amplifiers. Use Value: Prevents ADC saturation during ESD transients while maintaining 3.3 V reference accuracy across −40 °C to +125 °C operating range. | Use Scenario: Input protection and rail stabilization in 4–20 mA transmitter front-ends with isolated power supplies. IC Role / Device Role / Timing Role: Three independent Zeners clamp analog inputs, bias op-amp rails, and stabilize reference dividers simultaneously. Use Value: Eliminates need for six discrete Zeners, reducing BOM count and layout complexity while preserving channel-to-channel isolation. |
| USB-C Power Delivery Monitoring | Medical Patient Monitor Signal Conditioning |
Use Scenario: Clamping and level-shifting of CC1/CC2 communication lines and VBUS sense signals in USB PD controllers. IC Role / Device Role / Timing Role: Provides bidirectional ESD protection and precise 3.3 V threshold detection for protocol handshaking logic. Use Value: Ensures robust CC line integrity against ±8 kV HBM ESD events while maintaining <100 mV voltage error at 20 mA load. | Use Scenario: Biasing and overvoltage protection for ECG electrode amplifiers and SpO₂ photodiode receivers. IC Role / Device Role / Timing Role: Supplies stable 3.3 V reference for instrumentation amplifiers and clamps input nodes to prevent amplifier rail saturation. Use Value: Maintains signal fidelity in sub-µV biomedical measurements by limiting leakage to 25 µA and impedance to 28 Ω at operating current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NSZ5226B3T5G | Same 3.3 V rating and SOT-363 package, but rated for 300 mW PD and higher IZT = 30 mA | Better suited for higher-current biasing; less ideal for low-leakage signal clamping due to higher IR | Select when higher power margin is required and leakage <25 µA is not critical |
| BZX84-C3V3LT1G | Single 3.3 V Zener in SOT-23; no triple-array functionality; ZZT = 90 Ω @ 5 mA | Requires three devices and more PCB area; lacks inherent channel isolation | Choose only if triple integration is unnecessary and cost-per-diode is prioritized over board space |
Compared with NSZ5226B3T5G and BZX84-C3V3LT1G, MMBZ5226BTS-7-F uniquely balances low-leakage clamping (25 µA), tight Zener tolerance (±5%), and triple integration in AEC-Q101-qualified packaging-making it optimal for space- and reliability-critical multi-rail analog systems.
Availability
MMBZ5226BTS-7-F is available at Aetrix Electronics and suitable for automotive cabin sensors, industrial analog input modules, USB-C power delivery monitoring, and medical patient monitor signal conditioning requiring stable component supply and long-term lifecycle support.
Supply support for MMBZ5226BTS-7-F 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and consumer markets.
The MMBZ52xxBTS series belongs to Diodes' AEC-Q101-qualified Zener diode portfolio, engineered specifically for compact, high-stability voltage reference and transient protection in harsh-environment electronics.
FAQ
What is the maximum reverse leakage current for MMBZ5226BTS-7-F at 1.0 V?
The maximum reverse leakage current is 25 µA at VR = 1.0 V, measured per the datasheet's Electrical Characteristics table. This value is guaranteed across the full operating temperature range and reflects the device's suitability for low-current bias and high-impedance sensing applications where leakage-induced offset must be minimized.
Can MMBZ5226BTS-7-F be used in place of a single Zener diode?
Yes - any one of its three isolated Zener elements (e.g., A1/C1 pair) functions independently as a standard 3.3 V Zener diode. However, unused anodes and cathodes must remain unconnected or grounded per design intent; floating terminals are not recommended due to potential parasitic coupling in high-frequency layouts.
Is MMBZ5226BTS-7-F compliant with automotive reliability standards?
Yes - it is fully qualified to AEC-Q101 Rev. D for stress testing including HTOL, temperature cycling, and ESD. Its construction uses lead-free matte tin plating, halogen-free molding compound, and meets J-STD-020D moisture sensitivity level 1, confirming suitability for automotive under-hood and cabin applications.
What is the thermal resistance junction-to-ambient for MMBZ5226BTS-7-F on standard FR4?
The thermal resistance junction-to-ambient (RθJA) is 625 °C/W when mounted on a standard FR4 PCB using the recommended pad layout (AP02001). This value assumes no additional copper pour or thermal vias; adding thermal relief or ground-plane connections can reduce RθJA by up to 30% in optimized layouts.
MMBZ5226BTS-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Configuration:
- 3 Independent
- Voltage - Zener (Nom) (Vz):
- 3.3 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 28 Ohms
- Current - Reverse Leakage @ Vr:
- 25 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
MMBZ5226BTS-7-F FAQ
1.How can I place an order for MMBZ5226BTS-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ5226BTS-7-F 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 MMBZ5226BTS-7-F reliable?
The price and inventory of MMBZ5226BTS-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ5226BTS-7-F is usually 5 days.
3.What payment methods are accepted for MMBZ5226BTS-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ5226BTS-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ5226BTS-7-F?
MMBZ5226BTS-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ5226BTS-7-F 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 MMBZ5226BTS-7-F?
For technical support, including MMBZ5226BTS-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ5226BTS-7-F requirements.
6.How does Aetrix verify that MMBZ5226BTS-7-F is sourced from the original manufacturer or authorized distributors?
All MMBZ5226BTS-7-F 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 MMBZ5226BTS-7-F meets industry standards.
7.What is the process for return or replacement of MMBZ5226BTS-7-F?
All MMBZ5226BTS-7-F units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ5226BTS-7-F, 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 MMBZ5226BTS-7-F part is unused and in its original packaging.
Return procedure for MMBZ5226BTS-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ5226BTS-7-F Tags
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