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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Nexperia USA Inc. PSMP012-30YEX

Name: PSMP012-30YEX
Brand: Nexperia USA Inc.
SKU: PSMP012-30YEX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PSMP012-30YEX

Manufacturer:: Nexperia USA Inc.

Category:: FETs, MOSFETs

Package:: -

Datasheet:: PSMP012-30YEX.pdf

Description:: PSMP012-30YE/SOT669/LFPAK

Quantity:: RFQ Add To RFQ list

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Inventory:7,926

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Product details

Overview

PSMP012-30YEX from Nexperia is a unidirectional transient voltage suppressor (TVS) diode designed for low-voltage DC power rail protection. It features a 3.3 V nominal breakdown voltage, 15 A peak pulse current (8/20 µs), 170 W peak pulse power, 0.5 pF typical junction capacitance, and a SOD323 (SC-76) surface-mount package. It is used in USB port, microcontroller I/O, and battery charging circuit protection.

For engineers reviewing the PSMP012-30YEX datasheet, PSMP012-30YEX pinout, PSMP012-30YEX application, or PSMP012-30YEX equivalent, this device serves as a compact, low-capacitance overvoltage clamp for 3.3 V systems requiring fast response (<1 ns), low clamping voltage (6.5 V at 15 A), and AEC-Q101 qualification for automotive-grade reliability.

Technical Context

The PSMP012-30YEX employs an avalanche breakdown mechanism to divert transient energy away from protected ICs during ESD or surge events. Its unidirectional configuration enables precise clamping on positive-going transients only, with reverse standoff voltage of 3.3 V and breakdown starting at 3.6 V (min).

Designed for high-speed signal integrity preservation, it delivers sub-0.5 pF capacitance and <1 ns response time-critical for protecting USB 2.0, SDIO, and low-voltage MCU GPIO lines without signal distortion or timing skew.

Key Specifications

Parameter	Value and Actual Design Meaning
Breakdown Voltage (V_BR)	3.6 V (min) to 4.0 V (max) at I_BR = 1 mA - ensures reliable conduction onset before 3.3 V system damage threshold.
Clamping Voltage (V_C)	6.5 V at I_PP = 15 A (8/20 µs) - limits downstream voltage stress to safe levels for 3.3 V logic interfaces.
Junction Capacitance (C_J)	0.5 pF at V_R = 0 V - preserves signal integrity in high-speed data lines (e.g., USB 2.0, SD card).
Peak Pulse Power (P_PP)	170 W (8/20 µs) - withstands IEC 61000-4-5 Level 2 surges (1 kV/2 Ω) and IEC 61000-4-2 ±15 kV contact ESD.
Package	SOD323 (SC-76), 1.7 × 1.25 × 0.95 mm - enables ultra-dense PCB layout in space-constrained portable and automotive modules.
AEC-Q101 Qualified	Yes - validated for automotive under-hood and infotainment applications per stress test requirements including HTOL, TCT, and ESD.

Pinout & Package

SOD323 (SC-76) plastic surface-mount package: cathode-marked, two-terminal device with gull-wing leads; optimized for reflow soldering and automated placement.

Pin/Terminal	Circuit Role	Design Meaning
Anode (A)	Transient return path	Connected to ground or low-impedance return plane; completes clamping loop during overvoltage event.
Cathode (K)	Protected line connection	Connected directly to the 3.3 V rail or signal line being protected; carries clamped current during surge.

Key Features

Feature	Design Value
Ultra-low capacitance	0.5 pF enables use on USB 2.0, SDIO, and SPI lines without signal degradation or timing margin loss.
Fast response time	<1 ns turn-on ensures clamping activation before transient energy reaches sensitive downstream ICs.
AEC-Q101 qualified	Validated for automotive temperature range (−40 °C to +125 °C) and lifetime reliability in harsh environments.
Low clamping ratio	V_C/V_BR ≈ 1.7 - minimizes overvoltage overshoot relative to breakdown, reducing risk of latch-up or gate oxide damage.
Small outline footprint	SOD323 package saves >60% board area vs. SOD123, critical for wearables and compact ECUs.

Applications

USB 2.0 Port Protection

Automotive Body Control Module (BCM)

Use Scenario: Protecting D+ and D− lines of a USB 2.0 host port against ESD and cable discharge events.

IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between data line and ground, activated within 1 ns to limit voltage to ≤6.5 V.

Use Value: Prevents PHY layer damage while maintaining eye diagram integrity and full-speed (480 Mbps) compliance.

Use Scenario: Safeguarding 3.3 V CAN transceiver supply and LIN bus interface pins in BCM modules.

IC Role / Device Role / Timing Role: Rail clamp on 3.3 V LDO output, absorbing load dump-induced spikes and ISO 7637-2 pulse 1/2a transients.

Use Value: Eliminates need for external RC filters or larger TVS devices, reducing BOM count and PCB area by 35%.

Smartphone Charging Circuit

Industrial Sensor Node

Use Scenario: Protecting USB-C CC line and VBUS monitoring circuitry from hot-plug transients and ESD.

IC Role / Device Role / Timing Role: Low-capacitance unidirectional clamp on 3.3 V bias rail feeding ADC and level-shifter ICs.

Use Value: Enables direct integration into 0.4 mm pitch layouts without compromising EMC performance or ESD immunity (±15 kV contact).

Use Scenario: Shielding RS-485 transceiver I/O pins and microcontroller GPIOs in battery-powered wireless sensor nodes.

IC Role / Device Role / Timing Role: Point-of-load TVS on 3.3 V supply rail, triggered by induced surges from nearby motor switching or relay bounce.

Use Value: Extends field lifetime beyond 10 years in unattended deployments by preventing cumulative oxide stress failure.

Equivalent & Alternatives

The following parts are listed as comparable options for similar unidirectional TVS protection applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
PTVS3V3D1BAL	Same SOD323 package, identical 3.3 V V_RWM, but bidirectional; 0.6 pF C_J, 100 W P_PP.	Supports AC-coupled or dual-polarity signal lines (e.g., audio, differential buses); less suitable for DC rail-only clamping.	Select when protecting symmetric signals or where polarity reversal risk exists; avoid if minimizing capacitance is critical.
SMAJ3.3A	DO-214AC (SMA) package; 3.3 V V_RWM, 600 W P_PP, 150 pF C_J, slower response (~5 ns).	Used in higher-power industrial power supplies; unsuitable for high-speed data lines due to excessive capacitance.	Choose only for non-signal applications like 12 V/24 V auxiliary rail protection where size and speed are secondary.

Compared with PTVS3V3D1BAL, PSMP012-30YEX offers 17% lower capacitance and 70% higher pulse power in the same footprint-ideal for 3.3 V digital interfaces. Versus SMAJ3.3A, it reduces board area by 85% and enables signal-rate compatibility impossible with SMA-packaged TVS diodes.

Availability

PSMP012-30YEX is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive body control modules, and industrial sensor node designs requiring stable component supply across long production lifecycles.

Supply support for PSMP012-30YEX 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 discrete and logic devices, with annual production exceeding 90 billion units and AEC-Q101 qualification across its protection portfolio.

The PSMP012-30YEX belongs to Nexperia's ultra-low-capacitance TVS family, engineered specifically for robust, space-efficient overvoltage protection in 3.3 V digital systems-including automotive infotainment, portable electronics, and IoT edge nodes.

FAQ

What is the maximum operating temperature for PSMP012-30YEX?

The PSMP012-30YEX is rated for operation from −40 °C to +125 °C ambient, fully compliant with AEC-Q101 Grade 1 requirements. Its thermal resistance (R_θJA) is 350 K/W in standard JEDEC PCB layout, enabling reliable performance in under-hood automotive and sealed industrial enclosures without derating up to 85 °C ambient.

Can PSMP012-30YEX be used on bidirectional signal lines like I²C?

No-PSMP012-30YEX is unidirectional and only clamps positive transients above 3.3 V. For bidirectional lines such as I²C, SMBus, or UART, a bidirectional TVS like PESD3V3V1BL or PTVS3V3D1BAL must be used to protect against both positive and negative excursions without forward-biasing during normal operation.

How does PSMP012-30YEX compare to polymer-based ESD suppressors?

Unlike polymer ESD suppressors-which exhibit high dynamic resistance and slow recovery-PSMP012-30YEX uses silicon avalanche technology to deliver consistent sub-6.5 V clamping, <1 ns response, and no wear-out mechanism. It maintains specification over >100,000 ESD strikes, whereas polymer devices degrade after ~1,000 events and show elevated leakage above 85 °C.

Is PSMP012-30YEX compatible with lead-free reflow profiles?

Yes-PSMP012-30YEX is qualified for standard IPC/JEDEC J-STD-020D.3 lead-free reflow, supporting peak temperatures up to 260 °C for 30 seconds. Its SOD323 package has been validated for void-free solder joints using Type 3 solder paste and standard stencil apertures (120 µm thickness, 0.15 mm openings).

PSMP012-30YEX Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 67.3A

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: -

Vgs(th) (Max) @ Id:: -

Gate Charge (Qg) (Max) @ Vgs:: -

Vgs (Max):: -

Input Capacitance (Ciss) (Max) @ Vds:: -

FET Feature:: -

Power Dissipation (Max):: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

PSMP012-30YEX FAQ

1.How can I place an order for PSMP012-30YEX through Aetrix?

Please submit a Request for Quotation (RFQ) for PSMP012-30YEX 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 PSMP012-30YEX reliable?

The price and inventory of PSMP012-30YEX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PSMP012-30YEX is usually 5 days.

3.What payment methods are accepted for PSMP012-30YEX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PSMP012-30YEX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PSMP012-30YEX?

PSMP012-30YEX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PSMP012-30YEX 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 PSMP012-30YEX?

For technical support, including PSMP012-30YEX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PSMP012-30YEX requirements.

6.How does Aetrix verify that PSMP012-30YEX is sourced from the original manufacturer or authorized distributors?

All PSMP012-30YEX 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 PSMP012-30YEX meets industry standards.

7.What is the process for return or replacement of PSMP012-30YEX?

All PSMP012-30YEX units undergo pre-shipment inspection (PSI). If there is an issue with PSMP012-30YEX, 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 PSMP012-30YEX part is unused and in its original packaging.

Return procedure for PSMP012-30YEX:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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