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Diodes Incorporated MMBZ5232BW-7-F
- Part No.:
- MMBZ5232BW-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
MMBZ5232BW-7-F.pdf
- Description:
- DIODE ZENER 5.6V 200MW SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:3,055
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Product details
Overview
MMBZ5232BW-7-F from Diodes Incorporated is a 5.6 V, 200 mW surface-mount Zener diode in SOT323 package, with 11 Ω zener impedance at 20 mA test current, 5 µA max reverse leakage at 3.0 V, and AEC-Q101 qualification for automotive reliability. It provides precise voltage regulation in low-power biasing and reference circuits.
For engineers reviewing the MMBZ5232BW-7-F datasheet, MMBZ5232BW-7-F pinout, MMBZ5232BW-7-F application, or MMBZ5232BW-7-F equivalent, key selection criteria include nominal zener voltage tolerance (±5%), thermal resistance (625 °C/W), power derating above +25°C, and lead-free/Green compliance per J-STD-020D Level 1 moisture sensitivity.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable voltage across its terminals under varying load or supply conditions. Its 5.6 V nominal zener voltage is specified at 20 mA test current, with dynamic impedance of 11 Ω ensuring tight regulation under small-signal variations.
The device uses silicon planar epitaxial construction and is optimized for low-current reference applications. Its SOT323 package enables high-density PCB layouts while meeting AEC-Q101 stress requirements for temperature cycling, humidity, and mechanical shock in automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.6 V nominal, 5.32–5.88 V range at 20 mA - defines regulated output voltage tolerance in reference circuits |
| Power Dissipation (PD) | 200 mW at TA = +25°C - limits continuous operating current to ~35.7 mA at 5.6 V |
| Zener Impedance (ZZT) | 11 Ω at IZT = 20 mA - determines AC regulation error under dynamic load changes |
| Reverse Leakage (IR) | 5.0 µA max at VR = 3.0 V - ensures minimal quiescent current in standby bias networks |
| Thermal Resistance (RθJA) | 625 °C/W on FR4 board - requires derating to ~125 mW at +85°C ambient |
| Moisture Sensitivity | Level 1 per J-STD-020D - allows unlimited floor life without dry-pack handling |
| AEC-Q101 Qualified | Yes - validated for automotive under-hood and infotainment applications requiring high-reliability discrete components |
Pinout & Package
Package: SOT323 - ultra-small plastic surface-mount case (2.10 mm × 1.30 mm × 0.90 mm), matte tin-plated Alloy 42 leadframe, UL 94V-0 rated molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward conduction terminal / cathode reference ground point in shunt regulator | Connected to lower-potential node; reverse-biased during regulation |
| Cathode (Pin 2) | Zener breakdown terminal / regulated output node | Connected to higher-potential rail; maintains stable 5.6 V relative to anode |
| Case / Pin 3 | No internal connection (NC) | Electrically isolated; serves only as mechanical support and thermal path |
Key Features
| Feature | Design Value |
|---|---|
| Automotive-grade reliability | AEC-Q101 qualified for extended temperature operation (−65°C to +150°C) and mechanical robustness |
| Green manufacturing | Halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb), fully RoHS-compliant |
| Low-profile SMT packaging | SOT323 footprint enables high-density routing and compatibility with automated pick-and-place |
| Precision voltage reference | Tight ±5% VZ tolerance and 11 Ω dynamic impedance support stable analog biasing |
Applications
| Automotive Sensor Biasing | Industrial Analog Reference |
|---|---|
Use Scenario: Providing stable 5.6 V bias to MEMS pressure sensor signal conditioning circuitry in engine control modules. IC Role / Device Role / Timing Role: Shunt voltage reference regulating supply rail for op-amp input stages and ADC reference buffers. Use Value: Maintains sensor accuracy over −40°C to +125°C ambient by minimizing VZ drift and leakage-induced offset errors. | Use Scenario: Setting reference voltage for 12-bit SAR ADC in programmable logic controller (PLC) analog input modules. IC Role / Device Role / Timing Role: Precision DC reference source replacing larger through-hole Zeners in space-constrained industrial PCBs. Use Value: Enables <±0.5 LSB integral nonlinearity via low 11 Ω impedance and sub-5 µA leakage at 3 V reverse bias. |
| USB-C Power Negotiation Clamp | IoT Node Voltage Supervisor |
Use Scenario: Clamping CC line voltage during USB-C port negotiation to prevent overvoltage damage to Type-C controller ICs. IC Role / Device Role / Timing Role: Transient voltage suppressor limiting CC pin to ≤5.6 V during hot-plug events and cable insertion spikes. Use Value: Fast response (<1 ns) and low capacitance (<2 pF typical) avoid signal integrity degradation on 300 kHz CC communication. | Use Scenario: Monitoring battery voltage in BLE-enabled asset tracker to trigger low-power mode when cell drops below 3.0 V. IC Role / Device Role / Timing Role: Reverse-biased threshold detector feeding comparator input in ultra-low-quiescent supervisor circuit. Use Value: Sub-1 µA leakage at 3.0 V ensures >10-year shelf life on coin-cell batteries while maintaining accurate trip-point detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C5V6 | Same 5.6 V nominal, but 350 mW rating and SOT23 package; 30 Ω ZZT at 5 mA | Higher power handling, but looser regulation and larger footprint | Select when board layout allows SOT23 and >200 mW dissipation is needed |
| MMSZ5232ET1G | 5.6 V nominal, 500 mW, SOD-123 package; 17 Ω ZZT at 20 mA; no AEC-Q101 qualification | Higher power and better thermal performance, but not automotive-qualified | Select for industrial/commercial designs where AEC-Q101 is not required |
Compared with BZX84-C5V6 and MMSZ5232ET1G, MMBZ5232BW-7-F offers superior regulation (11 Ω vs. 17–30 Ω), smallest footprint (SOT323), and automotive qualification-making it optimal for space-constrained, high-reliability applications where precision and qualification matter more than raw power rating.
Availability
MMBZ5232BW-7-F is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC analog inputs, and IoT battery supervisors requiring stable component supply and long-term lifecycle assurance.
Supply support for MMBZ5232BW-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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
This device belongs to the MMBZ52xxBW series of AEC-Q101-qualified Zener diodes designed specifically for automotive and industrial voltage reference and protection applications where reliability, small size, and green compliance are critical.
FAQ
What is the maximum reverse voltage before breakdown for MMBZ5232BW-7-F?
The nominal zener voltage is 5.6 V, with a guaranteed range of 5.32 V to 5.88 V at 20 mA test current. Breakdown begins gradually near the minimum value; full regulation is achieved above 5.32 V. The device is not rated for sustained operation above 5.88 V in precision reference use.
Can MMBZ5232BW-7-F be used in place of a 5.1 V Zener diode?
No-it is not a drop-in replacement for 5.1 V devices like MMBZ5231BW. Its 5.6 V nominal voltage creates a 0.5 V system-level offset that affects bias points, reference thresholds, and clamping levels. Circuit recalibration or redesign is required if substituting across zener voltage grades.
Does this Zener diode require a series current-limiting resistor in all applications?
Yes-operation in reverse breakdown demands external current limiting to prevent thermal runaway. For example, at 12 V supply and 5.6 V regulation, a minimum 180 Ω resistor limits current to ~35 mA, staying within the 200 mW power limit at +25°C ambient.
Is the SOT323 package compatible with standard reflow profiles for lead-free soldering?
Yes-the device is qualified for Pb-free reflow per JEDEC J-STD-020D Level 1, supporting peak temperatures up to 260°C. Its matte tin finish ensures reliable wetting, and the Green molding compound remains stable under standard IPC-7095-compliant thermal cycles.
MMBZ5232BW-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 5.6 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 11 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 3 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-323
MMBZ5232BW-7-F FAQ
1.How can I place an order for MMBZ5232BW-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ5232BW-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 MMBZ5232BW-7-F reliable?
The price and inventory of MMBZ5232BW-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 MMBZ5232BW-7-F is usually 5 days.
3.What payment methods are accepted for MMBZ5232BW-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ5232BW-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ5232BW-7-F?
MMBZ5232BW-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ5232BW-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 MMBZ5232BW-7-F?
For technical support, including MMBZ5232BW-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ5232BW-7-F requirements.
6.How does Aetrix verify that MMBZ5232BW-7-F is sourced from the original manufacturer or authorized distributors?
All MMBZ5232BW-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 MMBZ5232BW-7-F meets industry standards.
7.What is the process for return or replacement of MMBZ5232BW-7-F?
All MMBZ5232BW-7-F units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ5232BW-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 MMBZ5232BW-7-F part is unused and in its original packaging.
Return procedure for MMBZ5232BW-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ5232BW-7-F Tags
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