My Inquiry
My Account
Nexperia USA Inc. MMBZ33VCL,215
- Part No.:
- MMBZ33VCL,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBZ33VCL,215.pdf
- Description:
- TVS DIODE 26VWM 46VC TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:4,996
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MMBZ33VCL from Nexperia is a unidirectional double ESD protection diode in common-cathode SOT23 configuration, designed for transient overvoltage suppression on up to two signal lines. It delivers 30 kV contact ESD immunity (IEC 61000-4-2 Level 4), 26 V reverse standoff voltage, ≤55 pF capacitance, ≤5 nA leakage at 26 V, and 40 W peak pulse power - deployed in automotive ECUs and portable electronics interfaces.
For engineers reviewing the MMBZ33VCL datasheet, MMBZ33VCL pinout, MMBZ33VCL application, or MMBZ33VCL equivalent, key selection criteria include common-cathode dual-line clamping behavior, low-capacitance signal integrity preservation, AEC-Q101 qualification for automotive environments, and precise 33 V nominal breakdown with ±1.65 V tolerance.
Technical Context
This device implements a dual-anode, single-common-cathode topology enabling simultaneous unidirectional protection of two independent signal paths referenced to ground. Its clamping action activates above 31.35 V (min) breakdown, limiting transients to ≤46 V at 0.87 A (10/1000 µs waveform) while maintaining <0.9 V forward drop at 10 mA.
Thermal design relies on junction-to-solder-point resistance of 60 K/W (measured at pin 3), supporting reliable operation up to 150 °C junction temperature. The SOT23 package enables compact PCB layout with minimal trace inductance - critical for effective ESD energy diversion before reaching protected IC inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 26 V - maximum continuous operating voltage before leakage rises significantly; defines safe signal swing range. |
| Breakdown Voltage | 33 V (typ), 31.35–34.65 V (min–max) - precise threshold where avalanche conduction begins to clamp transients. |
| Clamping Voltage | 46 V at 0.87 A (10/1000 µs) - maximum voltage seen by protected circuit during worst-case surge event. |
| Diode Capacitance | 45–55 pF at 1 MHz, 0 V bias - low enough to avoid signal distortion on high-speed lines like USB 2.0 or audio I²S. |
| Peak Pulse Power | 40 W (10/1000 µs) - energy-handling capacity sufficient for IEC 61000-4-5 surge immunity testing. |
| ESD Rating | 30 kV contact discharge (IEC 61000-4-2 Level 4) - exceeds industrial and automotive ESD immunity requirements. |
| Leakage Current | ≤5 nA at 26 V - negligible loading on high-impedance sensor or reference lines. |
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.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A1) | Anode of Diode 1 | Connects to first signal line requiring unidirectional ESD clamping to ground. |
| 2 (A2) | Anode of Diode 2 | Connects to second independent signal line; shares cathode (pin 3) for compact dual-line protection. |
| 3 (CC) | Common Cathode | Single ground return path for both diodes; must be routed with low-inductance connection to system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional dual-line protection | Enables discrete ESD hardening of two separate positive-going signals (e.g., CAN_H/CAN_L or UART_TX/RX) using one component. |
| Bidirectional single-line capability | When used across a single line and ground, provides symmetrical ±30 kV ESD protection via internal series-connected diodes. |
| AEC-Q101 qualification | Validated for automotive underhood and cabin applications including engine control, infotainment, and ADAS sensor interfaces. |
| Ultra-low leakage current | 0.1–5 nA at VRWM ensures no measurable DC loading on precision analog or battery-monitoring circuits. |
| Thermal robustness | Junction temperature rating up to 150 °C supports operation in sealed enclosures or near heat-generating components. |
Applications
| Automotive ECU Interfaces | USB 2.0 Data Lines |
|---|---|
|
Use Scenario: Protecting LIN bus or sensor input lines in engine control units exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Transient voltage suppressor placed at connector entry point to shunt ESD and surge energy to chassis ground before reaching MCU GPIOs. Use Value: Prevents latch-up or gate oxide damage in 3.3 V/5 V microcontrollers while maintaining <55 pF loading for signal integrity. |
Use Scenario: Shielding D+ and D− lines of USB 2.0 ports in docking stations and peripherals against human-body-model ESD events. IC Role / Device Role / Timing Role: Common-cathode dual-diode clamping network that preserves differential signaling integrity without skew or impedance discontinuity. Use Value: Enables full-speed (480 Mbps) USB compliance by limiting capacitance to 45–55 pF per line and clamping transients below 46 V. |
| Audio Line Inputs | Cellular Antenna Switch Control |
|
Use Scenario: Safeguarding analog audio inputs (e.g., microphone bias or line-in) in smartphones and headsets from handling ESD. IC Role / Device Role / Timing Role: Low-leakage (≤5 nA) voltage clamp that avoids DC offset shift or noise injection into high-impedance audio paths. Use Value: Maintains SNR >95 dB and THD+N <0.01% by eliminating parasitic current paths while delivering 30 kV contact ESD immunity. |
Use Scenario: Protecting RF switch control lines (e.g., antenna diversity switching in LTE modules) from board-level ESD coupling. IC Role / Device Role / Timing Role: Fast-response (sub-nanosecond) clamping device placed adjacent to RF front-end ICs to prevent control logic upset. Use Value: Ensures uninterrupted antenna switching sequence during ESD events by limiting voltage excursion to ≤46 V at 0.87 A peak current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NUP4202MR6T1G | Same SOT23-3 common-cathode dual-diode structure; 24 V VRWM, 33 V VBR, 50 pF Cd, 30 kV ESD rating. | Lower standoff voltage limits use in 3.3 V systems only; less suitable for 5 V or automotive 12 V signal rails. | Select when protecting lower-voltage digital interfaces where tighter clamping margin is required below 24 V. |
| Vishay ESDE132 | Single-channel unidirectional TVS; 26 V VRWM, 33 V VBR, 35 pF Cd, 30 kV ESD; SOD-323 package (smaller footprint). | Protects only one line per device; requires two units for dual-line coverage, increasing BOM count and PCB area. | Choose when space constraints prohibit SOT23 or when independent thermal management of each protected line is preferred. |
Compared with NUP4202MR6T1G and ESDE132, MMBZ33VCL uniquely balances dual-line integration, 26 V standoff compatibility with 5 V/12 V systems, and AEC-Q101 qualification - making it optimal for automotive and industrial dual-signal protection where reliability and footprint efficiency are jointly critical.
Availability
MMBZ33VCL is available at Aetrix Electronics and suitable for automotive electronic control units, USB interface protection, and portable audio equipment requiring stable component supply and long-term lifecycle support.
Supply support for MMBZ33VCL 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 - delivering performance, efficiency, and consistency for automotive, industrial, and consumer applications.
MMBZ33VCL belongs to Nexperia's ESD protection portfolio, engineered specifically for robust transient suppression in space-constrained, high-reliability signal-line applications with stringent automotive qualification requirements.
FAQ
What is the exact breakdown voltage tolerance for MMBZ33VCL?
The MMBZ33VCL has a specified breakdown voltage range of 31.35 V to 34.65 V at 1 mA test current, corresponding to ±5% tolerance around the nominal 33 V value. This tight distribution ensures consistent clamping behavior across production lots and supports predictable system-level surge margin analysis without derating.
Can MMBZ33VCL be used for bidirectional protection of a single data line?
Yes - when connected between a single signal line and ground (anodes tied to signal, cathode to ground), the internal dual-diode structure forms a series-connected pair that provides symmetrical ±30 kV ESD protection per IEC 61000-4-2, confirmed by Nexperia's characterization in Figure 5 of the datasheet.
Is the 40 W peak pulse power rating valid at elevated temperatures?
No - the 40 W rating applies only at Tamb = 25 °C. Figure 3 shows relative PPPM de-rates to ~50% at 125 °C junction temperature. For sustained high-temperature operation, designers must apply thermal resistance data (Rth(j-a) = 350 K/W) to calculate actual power derating based on ambient and layout conditions.
How does the common-cathode configuration affect PCB layout compared to discrete single diodes?
The common-cathode arrangement reduces ground-path inductance by consolidating both diodes' return paths into a single low-inductance trace to the ground plane. This minimizes voltage overshoot during fast transients - unlike two separate diodes, which introduce additional loop inductance and potential ground bounce between cathodes.
MMBZ33VCL,215 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
MMBZ33VCL,215 FAQ
1.How can I place an order for MMBZ33VCL,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ33VCL,215 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 MMBZ33VCL,215 reliable?
The price and inventory of MMBZ33VCL,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ33VCL,215 is usually 5 days.
3.What payment methods are accepted for MMBZ33VCL,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ33VCL,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ33VCL,215?
MMBZ33VCL,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ33VCL,215 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 MMBZ33VCL,215?
For technical support, including MMBZ33VCL,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ33VCL,215 requirements.
6.How does Aetrix verify that MMBZ33VCL,215 is sourced from the original manufacturer or authorized distributors?
All MMBZ33VCL,215 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 MMBZ33VCL,215 meets industry standards.
7.What is the process for return or replacement of MMBZ33VCL,215?
All MMBZ33VCL,215 units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ33VCL,215, 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 MMBZ33VCL,215 part is unused and in its original packaging.
Return procedure for MMBZ33VCL,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ33VCL,215 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
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
Tech Hub
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
