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Nexperia USA Inc. MMBZ33VALVL
- Part No.:
- MMBZ33VALVL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBZ33VALVL.pdf
- Description:
- TVS DIODE 26VWM 46VC TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,018
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Product details
Overview
MMBZ33VAL from Nexperia is a unidirectional double ESD protection diode in common-anode SOT23 configuration, designed for transient overvoltage protection of two signal lines. It delivers 30 kV contact ESD immunity (IEC 61000-4-2 Level 4), 40 W peak pulse power, and low 45–55 pF capacitance-enabling high-speed data line protection in portable electronics.
For engineers reviewing the MMBZ33VAL datasheet, MMBZ33VAL pinout, MMBZ33VAL application, or MMBZ33VAL equivalent, key selection criteria include reverse standoff voltage (26 V), clamping voltage (46 V at 0.87 A), ultra-low leakage (≤5 nA), and dual-line protection topology with shared anode routing.
Technical Context
This device implements a common-anode dual-diode structure enabling simultaneous unidirectional protection of two independent signal paths to ground. Each cathode (Pin 1 and Pin 2) connects to a separate line, while Pin 3 serves as the shared anode tied to system ground or bias rail.
It operates under IEC 61000-4-2 (30 kV contact) and IEC 61643-321 (10/1000 µs waveform) compliance, with clamping triggered at ≥31.35 V breakdown and stabilized by low thermal resistance (340 K/W junction-to-solder-point).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 26 V - Maximum continuous operating voltage before conduction begins on protected lines. |
| Breakdown Voltage | 33 V (typ), 31.35–34.65 V - Precise turn-on threshold ensuring reliable ESD triggering without false trips. |
| Clamping Voltage | 46 V at 0.87 A - Limits transient voltage seen by downstream ICs during 10/1000 µs surges. |
| Diode Capacitance | 45–55 pF at 1 MHz - Preserves signal integrity on USB, HDMI, or audio interfaces up to ~100 MHz. |
| Peak Pulse Power | 40 W - Sustains standardized ESD and surge events without degradation under IEC 61643-321 conditions. |
| Leakage Current | ≤5 nA at 26 V - Minimizes DC loading on high-impedance sensor or reference lines. |
| ESD Rating | 30 kV contact discharge - Meets IEC 61000-4-2 Level 4 for robust end-equipment qualification. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 × 1.3 × 1.0 mm body, optimized for automated placement and reflow soldering on dense PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Connects to first protected signal line; conducts ESD current to common anode when line voltage exceeds 26 V. |
| 2 | Cathode (Diode 2) | Connects to second protected signal line; enables independent, simultaneous protection of two unidirectional paths. |
| 3 | Common Anode | Shared return path to ground or bias rail; defines common reference for both protection diodes. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional dual-line protection | Single SOT23 device replaces two discrete diodes, reducing board area and routing complexity for differential or parallel signal pairs. |
| Bidirectional single-line mode | Configurable as bidirectional protector by grounding both cathodes-supports legacy analog or RS-232 lines with AC-coupled signals. |
| Low 45–55 pF capacitance | Enables use on high-speed interfaces (e.g., USB 2.0, I²C, audio codecs) without signal rise-time degradation or jitter increase. |
| 40 W peak pulse rating | Handles repeated ESD strikes per IEC 61000-4-2 without parameter shift, supporting >100,000-cycle reliability in consumer handhelds. |
| 5 nA max reverse leakage | Prevents measurable DC offset or battery drain in always-on sensor nodes and low-power IoT peripherals. |
Applications
| USB Data Lines | Audio Codec Interfaces |
|---|---|
Use Scenario: Protecting D+ and D− pins of USB 2.0 ports against user-handling ESD in smartphones and docking stations. IC Role / Device Role / Timing Role: Unidirectional clamp limiting transient voltage to ≤46 V during 30 kV contact discharge events. Use Value: Prevents latch-up or gate oxide damage in USB transceivers while maintaining <1 ns added propagation delay due to low capacitance. |
Use Scenario: Shielding I²S digital audio lines between SoC and DAC in wireless earbuds and smart speakers. IC Role / Device Role / Timing Role: Dual-cathode ESD suppressor placed at connector entry point, referenced to ground plane. Use Value: Maintains 24-bit/192 kHz signal fidelity by holding inter-line capacitance mismatch below 5 pF across both channels. |
| Cellular Antenna Switch Control | Industrial Sensor Signal Conditioning |
Use Scenario: Safeguarding GPIO-controlled RF antenna switch enable lines exposed to handling ESD in 4G/5G modules. IC Role / Device Role / Timing Role: Low-leakage (≤5 nA) standoff protector preserving logic-high state integrity during standby. Use Value: Eliminates false switching caused by ESD-induced voltage spikes while consuming <1 µW static power. |
Use Scenario: Protecting analog output lines of 4–20 mA current-loop sensors in factory automation panels. IC Role / Device Role / Timing Role: Common-anode clamp diverting transients from precision op-amp outputs to chassis ground. Use Value: Ensures <0.1% full-scale error retention after 30 kV ESD exposure, verified per IEC 61000-4-2 pre-compliance testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-line ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NUP4202MR6T1G | Higher capacitance (110 pF), lower clamping (36 V), same SOT23-3 package and common-anode topology. | Better for lower-speed analog lines where clamping voltage margin is critical; unsuitable for USB 2.0 or I²S. | Select when clamping voltage <38 V is mandatory and bandwidth <50 MHz is acceptable. |
| Vishay ESDE0402MUTAG | Lower peak power (24 W), tighter capacitance tolerance (35–45 pF), automotive-qualified (AEC-Q200). | Validated for automotive infotainment displays but requires derating above 85 °C ambient. | Choose for automotive-grade designs requiring temperature resilience and tighter Cd control. |
Compared with NUP4202MR6T1G and ESDE0402MUTAG, MMBZ33VAL offers the optimal balance of low capacitance (45–55 pF), high peak power (40 W), and industrial-grade reliability-making it preferred for high-speed consumer port protection where signal integrity and ESD robustness are co-constrained.
Availability
MMBZ33VAL is available at Aetrix Electronics and suitable for USB interface protection, audio codec shielding, cellular antenna switch control, and industrial sensor signal conditioning requiring stable component supply across production ramps and long-life programs.
Supply support for MMBZ33VAL 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-including ESD protection, logic, discretes, and MOSFETs-with manufacturing rooted in process efficiency and automotive-grade quality systems.
MMBZ33VAL belongs to Nexperia's industry-standard ESD protection portfolio, engineered specifically for compact, high-density PCBs in portable and battery-powered electronics where space, leakage, and speed are design-critical.
FAQ
What is the maximum continuous reverse voltage this device can withstand?
The MMBZ33VAL has a reverse standoff voltage (VRWM) of 26 V at 25 °C, meaning it blocks up to 26 V DC or RMS signal voltage without entering conduction. This value is guaranteed across its operating ambient range (−55 °C to +150 °C), with minor derating above 85 °C per thermal characteristics data.
Can MMBZ33VAL protect bidirectional signal lines like RS-232 or CAN?
Yes-by connecting both cathodes (Pins 1 and 2) to the signal line and the common anode (Pin 3) to ground, MMBZ33VAL functions as a bidirectional protector. Its symmetric V-I curve (per Fig. 6) supports ±30 kV ESD clamping, though clamping voltage rises to ~46 V in either polarity under 0.87 A surge.
How does thermal resistance affect its surge handling capability?
With Rth(j-sp) = 340 K/W (junction-to-solder-point), sustained surge repetition or high ambient temperatures reduce safe peak power. At 100 °C ambient, rated PPPM drops to ~65% of 40 W (per Fig. 4), requiring layout optimization-such as 1 cm² copper pad on Pin 3-to maintain performance.
Is MMBZ33VAL qualified for automotive applications?
No-this variant is non-automotive qualified, as confirmed in the 2023 revision history. Automotive alternatives (e.g., MMBZ33VAL-Q) exist in Nexperia's portfolio with AEC-Q200 qualification, extended temperature range (−40 °C to +125 °C), and enhanced surge lifetime testing.
MMBZ33VALVL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 26V (Max)
- Voltage - Breakdown (Min):
- 31.35V
- Voltage - Clamping (Max) @ Ipp:
- 46V
- Current - Peak Pulse (10/1000µs):
- 870mA
- Power - Peak Pulse:
- 40W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 45pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
MMBZ33VALVL FAQ
1.How can I place an order for MMBZ33VALVL through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ33VALVL 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 MMBZ33VALVL reliable?
The price and inventory of MMBZ33VALVL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ33VALVL is usually 5 days.
3.What payment methods are accepted for MMBZ33VALVL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ33VALVL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ33VALVL?
MMBZ33VALVL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ33VALVL 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 MMBZ33VALVL?
For technical support, including MMBZ33VALVL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ33VALVL requirements.
6.How does Aetrix verify that MMBZ33VALVL is sourced from the original manufacturer or authorized distributors?
All MMBZ33VALVL 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 MMBZ33VALVL meets industry standards.
7.What is the process for return or replacement of MMBZ33VALVL?
All MMBZ33VALVL units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ33VALVL, 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 MMBZ33VALVL part is unused and in its original packaging.
Return procedure for MMBZ33VALVL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ33VALVL Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
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