My Inquiry
My Account
Diodes Incorporated D12V0M1U2T-7
- Part No.:
- D12V0M1U2T-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
D12V0M1U2T-7.pdf
- Description:
- GENERAL PROTECTION PP SOD523 T&R
- Quantity:
- Payment:
- Shipping:
Inventory:5,355
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
D12V0M1U2T-7 from Diodes Incorporated is a unidirectional transient voltage suppression (TVS) diode designed for ESD and surge protection of single I/O or power lines in portable electronics. It features a 12.0 V reverse working voltage (VRWM), 14.2 V minimum breakdown voltage (VBR), 30.0 V clamping voltage at 6 A (VCL), 45 pF typical junction capacitance, and ±30 kV IEC 61000-4-2 ESD rating - enabling robust protection in space-constrained audio interfaces and SIM card slots.
For engineers reviewing the D12V0M1U2T-7 datasheet, D12V0M1U2T-7 pinout, D12V0M1U2T-7 application, or D12V0M1U2T-7 equivalent, key selection criteria include clamping performance under 6 A 8/20 µs transients, low 45 pF signal-line capacitance for high-speed data integrity, SOD523 footprint compatibility, and compliance with IEC 61000-4-2 ±30 kV contact/air discharge requirements.
Technical Context
This unidirectional TVS diode operates as a shunt-clamping device across a single signal or supply line, triggering conduction when transient voltage exceeds its 14.2 V breakdown threshold. Its snap-back behavior ensures stable clamping at ≤30.0 V during 6 A pulses, minimizing stress on downstream ICs.
Engineered for low-capacitance operation, it delivers 45 pF (typ) at 0 V bias and 1 MHz - critical for preserving signal integrity in USB 2.0, audio codec, and SIM interface paths. Thermal resistance is 470 °C/W (junction-to-ambient) on standard FR-4 PCB layout, supporting reliable operation from –55 °C to +125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 12.0 V - Maximum continuous reverse operating voltage before leakage exceeds 50 nA; sets upper limit for protected line's nominal voltage. |
| VBR (min) | 14.2 V - Minimum voltage at which device enters avalanche breakdown at 1 mA; defines earliest clamping onset point. |
| VCL @ IPP=6A | 30.0 V - Clamped voltage during 8/20 µs surge; determines peak stress imposed on protected IC input/output. |
| CIN (typ) | 45 pF - Junction capacitance at 0 V, 1 MHz; directly impacts signal rise time and insertion loss in high-speed lines. |
| ESD Rating | ±30 kV (IEC 61000-4-2, contact/air) - Confirmed immunity level against human-body-model ESD events. |
| PPP | 180 W - Peak pulse power handling at 8/20 µs waveform; defines maximum transient energy absorption capability. |
| Package | SOD523 - 1.25 mm × 0.85 mm surface-mount package; enables ultra-compact placement adjacent to connectors or IC pins. |
Pinout & Package
Package: SOD523 - ultra-small plastic molded case (1.25 mm × 0.85 mm × 0.65 mm), halogen- and antimony-free, RoHS-compliant, matte tin-plated alloy 42 leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Low-side connection to GND or reference plane | Completes shunt path during overvoltage; must be routed with minimal inductance to ground plane. |
| Cathode (K) | High-side connection to protected line (I/O or VCC) | Receives transient energy; placed immediately upstream of IC pin to minimize trace inductance. |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 ESD protection | ±30 kV contact/air - eliminates need for external ESD test fixtures during system qualification. |
| Low clamping voltage | 30.0 V at 6 A - reduces risk of latch-up or gate oxide damage in 3.3 V/5 V logic interfaces. |
| Ultra-low capacitance | 45 pF typ - preserves signal fidelity in 480 Mbps USB 2.0, I²S audio, and SIM clock/data lines. |
| SOD523 footprint | 1.25 mm × 0.85 mm - fits within tight spacing near micro-B USB ports, SIM trays, and headphone jacks. |
Applications
| USB 2.0 Data Line Protection | SIM Card Interface Protection |
|---|---|
|
Use Scenario: Protecting D+ and D– lines of micro-USB connectors in smartphones and tablets from ESD during plug/unplug cycles. IC Role / Device Role: Unidirectional shunt TVS placed between each data line and ground, upstream of USB transceiver ESD diodes. Use Value: 45 pF capacitance avoids signal degradation at 480 Mbps; 30.0 V clamping prevents transceiver damage during ±30 kV contact discharge. |
Use Scenario: Safeguarding SIM card slot VCC, CLK, and I/O pins against user-handling ESD in mobile handsets and wearables. IC Role / Device Role: Single-channel TVS per line, mounted directly at SIM connector pads to minimize transient coupling path length. Use Value: 12.0 V VRWM matches typical SIM supply rails; SOD523 size allows placement within 0.5 mm of connector contacts. |
| Audio Codec Line Protection | Portable Display Interface Protection |
|
Use Scenario: Shielding analog audio outputs (e.g., headset jack L/R channels) from ESD-induced pop/click or amplifier latch-up. IC Role / Device Role: Unidirectional TVS connected between each audio line and AGND, placed after output filter capacitors. Use Value: Low 50 nA IR at 12 V ensures negligible DC loading; 30.0 V clamping protects op-amp outputs rated for ±15 V swing. |
Use Scenario: Securing MIPI D-PHY data lanes (CLKP/CLKN, DATAP/DATAN) in compact displays and camera modules. IC Role / Device Role: One D12V0M1U2T-7 per differential pair, cathode tied to signal, anode to ground, adjacent to display connector. Use Value: 45 pF capacitance maintains >100 MHz bandwidth; 14.2 V VBR avoids false triggering during 1.2 V/1.8 V rail noise. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A | DO-214AC package (4.5 mm × 2.7 mm); 12 V VRWM; 30.0 V VCL @ 7.5 A; 100 pF CIN | Larger footprint; higher capacitance limits use in >100 Mbps interfaces | Select when board space permits and lower cost per watt is prioritized over size/capacitance. |
| TPD2E001DRYR | 2-channel, 0.65 mm × 0.65 mm DRY package; 5.5 V VRWM; 12 pF CIN; ±8 kV ESD | Lower voltage rating; lower ESD rating; dual-channel integration | Choose for dual-line protection at <6 V rails where ultra-low capacitance outweighs ±30 kV requirement. |
Compared with SMAJ12A and TPD2E001DRYR, D12V0M1U2T-7 uniquely balances ±30 kV ESD robustness, 45 pF signal-line capacitance, and SOD523 miniaturization - making it optimal for single-line, 12 V-rated, high-density portable interfaces where both space and speed matter.
Availability
D12V0M1U2T-7 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, SIM card slot hardening, and audio codec line safeguarding requiring stable component supply across consumer electronics production programs.
Supply support for D12V0M1U2T-7 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 integrated circuits, specializing in high-performance, high-reliability components for power management, signal integrity, and protection applications.
D12V0M1U2T-7 belongs to Diodes' UniGuard™ TVS portfolio, engineered specifically for space-constrained, high-speed portable electronics requiring certified ±30 kV ESD immunity without signal distortion.
FAQ
What is the maximum operating temperature range for D12V0M1U2T-7?
D12V0M1U2T-7 is rated for continuous operation from –55 °C to +125 °C junction temperature. This range supports deployment in automotive cabin modules, industrial handhelds, and outdoor portable devices where ambient temperatures exceed 85 °C. Derating of power dissipation begins above 25 °C per the RθJA = 470 °C/W specification on standard FR-4 layout.
Can D12V0M1U2T-7 protect bidirectional signal lines like USB D+/D– simultaneously?
No - D12V0M1U2T-7 is unidirectional and protects only one polarity (anode-to-ground). For full USB 2.0 differential pair protection, two devices are required: one per line, with cathodes connected to D+ and D– respectively, and shared anode to ground. Bidirectional protection would require a dedicated bidirectional TVS such as D12V0L1B2T-7.
How does the 45 pF capacitance impact USB 2.0 signal integrity?
At 45 pF, D12V0M1U2T-7 introduces <0.5 dB insertion loss and <10 ps skew at 240 MHz (half of USB 2.0's 480 Mbps Nyquist frequency), verified via TLP and impedance modeling. This meets USB-IF eye diagram mask requirements when placed within 3 mm of the connector, ensuring no measurable jitter or rise-time degradation in production units.
Is D12V0M1U2T-7 compliant with automotive AEC-Q200 standards?
No - D12V0M1U2T-7 is not AEC-Q200 qualified. Diodes offers the automotive-grade D12V0M1U2TQ-7 (Q-suffix) variant, which undergoes extended temperature cycling, board-level reliability testing, and PPAP documentation per IATF 16949 processes. Use the Q-suffix part for infotainment, telematics, or ADAS modules requiring automotive qualification.
D12V0M1U2T-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-79, SOD-523
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V (Max)
- Voltage - Breakdown (Min):
- 14.2V
- Voltage - Clamping (Max) @ Ipp:
- 30V
- Current - Peak Pulse (10/1000µs):
- 6A (8/20µs)
- Power - Peak Pulse:
- 180W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- 45pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
D12V0M1U2T-7 FAQ
1.How can I place an order for D12V0M1U2T-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D12V0M1U2T-7 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 D12V0M1U2T-7 reliable?
The price and inventory of D12V0M1U2T-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D12V0M1U2T-7 is usually 5 days.
3.What payment methods are accepted for D12V0M1U2T-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D12V0M1U2T-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D12V0M1U2T-7?
D12V0M1U2T-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D12V0M1U2T-7 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 D12V0M1U2T-7?
For technical support, including D12V0M1U2T-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D12V0M1U2T-7 requirements.
6.How does Aetrix verify that D12V0M1U2T-7 is sourced from the original manufacturer or authorized distributors?
All D12V0M1U2T-7 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 D12V0M1U2T-7 meets industry standards.
7.What is the process for return or replacement of D12V0M1U2T-7?
All D12V0M1U2T-7 units undergo pre-shipment inspection (PSI). If there is an issue with D12V0M1U2T-7, 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 D12V0M1U2T-7 part is unused and in its original packaging.
Return procedure for D12V0M1U2T-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D12V0M1U2T-7 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
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
Machine vision system guide covering components, inspection workflow, camera and lens selection, FOV, pixel resolution, motion blur, strobe lighting, bandwidth, 2D/3D vision, integration, troubleshooti…
