My Inquiry
My Account
Diodes Incorporated P6SMAJ58ADFQ-13
- Part No.:
- P6SMAJ58ADFQ-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ58ADFQ-13.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR D-F
- Quantity:
- Payment:
- Shipping:
Inventory:6,235
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMAJ58ADFQ-13 from Diodes Incorporated is an AEC-Q101 qualified 600W surface-mount transient voltage suppressor (TVS) diode in the D-FLAT package, designed for automotive power line and signal line surge protection. It features a 58V reverse standoff voltage, 64.4–74.6V breakdown range at 1mA, 93.6V clamping voltage at 6.4A peak pulse current, and fast response time for ESD and lightning-induced transients.
For engineers reviewing the P6SMAJ58ADFQ-13 datasheet, P6SMAJ58ADFQ-13 pinout, P6SMAJ58ADFQ-13 application, or P6SMAJ58ADFQ-13 equivalent, key selection criteria include clamping voltage margin relative to system rail, peak pulse power handling under 10/1000µs waveform, thermal resistance on FR-4 PCB layouts, and AEC-Q101 qualification status for automotive deployment.
Technical Context
This unidirectional TVS diode operates as a shunt-clamping device, conducting when reverse voltage exceeds its breakdown threshold to divert surge energy away from protected circuitry. Its glass-passivated junction ensures stable VBR and low leakage (<1µA at 58V), while the D-FLAT package enables high-current capability with minimal board footprint.
The device is characterized using a 10×1000µs standard surge waveform per IEC 61000-4-5, delivering 600W non-repetitive peak pulse power. Thermal performance is specified for two PCB pad configurations: RθJA = 92°C/W (0.4" × 0.5" copper pad) and 115°C/W (1" × 1" pad), enabling accurate junction temperature estimation during transient events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - Sustains single 10/1000µs surges up to this level without failure |
| Reverse Standoff Voltage (VRWM) | 58.0 V - Maximum continuous DC or RMS voltage before significant leakage |
| Breakdown Voltage (VBR) | 64.4–74.6 V @ 1mA - Confirmed conduction onset range for reliable clamping trigger |
| Clamping Voltage (VC) | 93.6 V @ 6.4A - Maximum voltage seen by protected circuit during rated surge |
| Peak Pulse Current (IPP) | 6.4 A - Peak current handled at VC, defining surge energy absorption capacity |
| Package | D-FLAT - Low-profile (1.1mm max height), 2-terminal SMT package with cathode band marking |
| AEC-Q101 Qualified | Yes - Validated for automotive applications including engine control, body electronics, and infotainment power rails |
Pinout & Package
The P6SMAJ58ADFQ-13 uses a 2-terminal D-FLAT surface-mount package with cathode indicated by a band on the top surface. Terminals are matte tin annealed over copper lead-frame, solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Surge current sink terminal | Connected to protected line; conducts during overvoltage to shunt current to ground |
| 2 (Anode) | Reference/ground return terminal | Typically tied to system ground or low-impedance return path for effective clamping |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Ensures stable VBR and <1µA leakage at VRWM, critical for low-power automotive sensors |
| 600W peak pulse power rating | Supports IEC 61000-4-5 Level 4 (4kV) surge immunity on 12V/24V power nets |
| AEC-Q101 qualification & IATF16949 manufacturing | Validates reliability for automotive under-hood and cabin environments (-55°C to +150°C) |
| Low-profile D-FLAT package | Enables placement near connectors or IC inputs with minimal PCB area (4.65mm × 2.80mm footprint) |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12V/24V supply lines in engine control units (ECUs) against load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Shunt-clamping TVS diode placed between power rail and chassis ground. Use Value: Limits transient voltage to ≤93.6V, preventing damage to downstream PMICs and microcontrollers rated for 65V absolute maximum. | Use Scenario: Safeguarding analog sensor inputs (e.g., pressure, temperature) in factory automation systems exposed to ESD and inductive switching noise. IC Role / Device Role / Timing Role: Unidirectional transient suppressor connected between signal line and local ground. Use Value: Clamps sub-100ns ESD events to <93.6V while adding only 0.5pF capacitance at 0V bias, preserving signal integrity up to 1MHz. |
| Automotive Infotainment USB Port Protection | DC-DC Converter Input Stage Protection |
Use Scenario: Guarding USB 2.0 data lines and VBUS in vehicle head units against hot-plug transients and cable discharge events. IC Role / Device Role / Timing Role: Discrete TVS array element (used per-line) with cathode tied to VBUS or signal ground. Use Value: Responds in <1ns to 8kV HBM ESD, limiting voltage to safe levels for USB transceivers without affecting 480Mbps data eye. | Use Scenario: Protecting input stage of buck converters powering ADAS cameras or radar modules from battery line surges. IC Role / Device Role / Timing Role: Primary clamping device upstream of input capacitor and controller IC. Use Value: Absorbs 600W surge energy without degradation, maintaining converter uptime during cold-crank or jump-start conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ58A-Q | Same 58V VRWM, but not AEC-Q101 qualified; RθJA = 115°C/W (larger pad required) | Targeted at industrial/commercial designs without automotive qualification mandates | Select when AEC-Q101 is not required and cost sensitivity outweighs qualification needs |
| TPSMAJ58A | Identical electrical specs and AEC-Q101 qualification, but manufactured by STMicroelectronics with different thermal pad layout recommendations | Drop-in replacement in most automotive PCBs, though layout review recommended for thermal relief | Choose for dual-sourcing flexibility in Tier-1 automotive BOMs requiring second-source validation |
Compared with SMAJ58A-Q and TPSMAJ58A, the P6SMAJ58ADFQ-13 offers identical clamping performance and automotive qualification but delivers lower RθJA (92°C/W) on compact pads-enabling smaller heatsinking and higher reliability in space-constrained ECUs.
Availability
P6SMAJ58ADFQ-13 is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and DC-DC converter input stage surge suppression requiring stable component supply across extended production lifecycles.
Supply support for P6SMAJ58ADFQ-13 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-reliability components for automotive, industrial, and consumer markets.
The P6SMAJxxADFQ series belongs to Diodes' AEC-Q101-qualified TVS portfolio, engineered specifically for robust transient suppression in harsh automotive environments-including under-hood and battery-connected systems.
FAQ
What is the maximum operating temperature for P6SMAJ58ADFQ-13?
The device supports continuous operation from –55°C to +150°C junction temperature. Its thermal resistance values (RθJA = 92°C/W on 0.4" × 0.5" pad) allow direct calculation of allowable ambient temperature based on power dissipation. At 1.0W steady-state, junction rise is ~92°C above ambient, so max ambient is +58°C for full-rated operation.
Is P6SMAJ58ADFQ-13 bidirectional or unidirectional?
P6SMAJ58ADFQ-13 is a unidirectional TVS diode, configured for reverse-biased operation with cathode connected to the protected line. It does not conduct under positive surges beyond forward voltage (~3.5V at 35A), making it suitable for DC power rails where polarity is fixed.
How does the D-FLAT package compare to SMA in surge handling?
The D-FLAT package provides lower thermal resistance than standard SMA (RθJA ≈ 92°C/W vs. ~130°C/W), enabling higher sustained surge energy absorption. Its flat geometry also improves mechanical stability during reflow and reduces risk of tombstoning on fine-pitch boards.
Can P6SMAJ58ADFQ-13 be used in parallel for higher current handling?
Parallel use is not recommended due to VBR mismatch (±10% tolerance) causing uneven current sharing. For >6.4A peak pulse requirements, select a higher-rated part like P6SMAJ64ADFQ-13 or implement staged protection with upstream fusing and downstream TVS devices.
P6SMAJ58ADFQ-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 2-SMD, Flat Leads
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 93.6V
- Current - Peak Pulse (10/1000µs):
- 6.4A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D-Flat
P6SMAJ58ADFQ-13 FAQ
1.How can I place an order for P6SMAJ58ADFQ-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ58ADFQ-13 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 P6SMAJ58ADFQ-13 reliable?
The price and inventory of P6SMAJ58ADFQ-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ58ADFQ-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ58ADFQ-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ58ADFQ-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ58ADFQ-13?
P6SMAJ58ADFQ-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ58ADFQ-13 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 P6SMAJ58ADFQ-13?
For technical support, including P6SMAJ58ADFQ-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ58ADFQ-13 requirements.
6.How does Aetrix verify that P6SMAJ58ADFQ-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ58ADFQ-13 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 P6SMAJ58ADFQ-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ58ADFQ-13?
All P6SMAJ58ADFQ-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ58ADFQ-13, 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 P6SMAJ58ADFQ-13 part is unused and in its original packaging.
Return procedure for P6SMAJ58ADFQ-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ58ADFQ-13 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
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…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
