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Diodes Incorporated P6SMAJ54ADF-13
- Part No.:
- P6SMAJ54ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ54ADF-13.pdf
- Description:
- TVS DIODE 54VWM 87.1VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:4,043
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Product details
Overview
P6SMAJ54ADF-13 from Diodes Incorporated is a 600W surface-mount transient voltage suppressor (TVS) diode designed for unidirectional overvoltage protection in DC power rails and signal lines. It features a reverse standoff voltage of 54.0 V, breakdown voltage range of 60.0–69.0 V at 1.0 mA test current, clamping voltage of 87.1 V at 6.9 A peak pulse current, and D-FLAT package for space-constrained PCB layouts - deployed in industrial power supply input stages.
For engineers reviewing the P6SMAJ54ADF-13 datasheet, P6SMAJ54ADF-13 pinout, P6SMAJ54ADF-13 application, or P6SMAJ54ADF-13 equivalent, key selection criteria include clamping voltage margin vs. protected IC's absolute maximum rating, peak pulse current capability under IEC 61000-4-5 surge conditions, thermal resistance to PCB copper pad layout, and RoHS/Green compliance for end-product certification.
Technical Context
This unidirectional TVS diode operates as a shunt-clamping device triggered by reverse-biased avalanche breakdown above its VRWM (54.0 V). Its glass-passivated die construction ensures stable leakage performance (<1.0 µA at VRWM) and repeatable clamping behavior across temperature (-55°C to +150°C).
The device delivers 600 W peak pulse power (10/1000 µs waveform), with fast response time (<1.0 ps), low junction-to-terminal thermal resistance (57 °C/W on optimized 0.4" × 0.5" FR-4 pad), and forward voltage of 3.5 V at 35 A surge - enabling robust protection without latch-up risk in 24/48 V industrial systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - sustains single 10/1000 µs surges per IEC 61000-4-5 Level 4 without degradation |
| Reverse Standoff Voltage (VRWM) | 54.0 V - maximum continuous DC voltage before significant leakage; sets upper limit for protected rail |
| Clamping Voltage (VC) | 87.1 V at 6.9 A - maximum voltage seen by downstream circuit during rated surge event |
| Breakdown Voltage (VBR) | 60.0–69.0 V at 1.0 mA - defines precise avalanche onset window for predictable triggering |
| Junction-to-Ambient RθJA | 92 °C/W - determines steady-state temperature rise on standard 0.4" × 0.5" 2 oz Cu pad |
| Package | D-FLAT - 2.25–2.95 mm width, 3.95–4.60 mm length, 0.90–1.10 mm height; enables <1.5 mm² board area usage |
Pinout & Package
Package: D-FLAT surface-mount package with cathode band marking; terminals are matte tin annealed over copper leadframe, solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Anode-referenced surge clamp node | Connected to protected line; conducts avalanche current to ground when voltage exceeds VRWM |
| 2 (Anode) | Reference/ground return path | Typically tied to system ground plane; completes current loop during transient suppression |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile D-FLAT packaging | Reduces PCB footprint to ≤1.5 mm² while maintaining 600 W surge rating - critical for dense industrial controllers |
| Glass-passivated die construction | Ensures <1.0 µA IR at VRWM and stable VBR over 1000-cycle surge life - eliminates field drift in harsh environments |
| Fast response time | <1.0 ps turn-on delay - clamps transients before sensitive logic or analog circuits experience overstress |
| RoHS-compliant & Halogen-free | Meets EU Directive 2011/65/EU and contains <900 ppm Br/Cl, <1000 ppm Sb - supports global environmental compliance |
Applications
| Industrial PLC I/O Modules | 48 V Telecom Power Inputs |
|---|---|
Use Scenario: Protection of digital input channels against induced surges from relay coil flyback or nearby motor switching. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between field-side signal line and local ground, upstream of optocoupler input. Use Value: Clamps 1 kV/0.5 A surge (IEC 61000-4-5) to ≤87.1 V, preserving optocoupler CTR and preventing MCU GPIO damage. |
Use Scenario: Input-stage surge suppression on -48 V DC telecom rectifier outputs feeding backplane distribution. IC Role / Device Role / Timing Role: Primary overvoltage clamp on bulk power rail, coordinated with upstream fuse and downstream POL converters. Use Value: Absorbs 600 W transient energy without thermal runaway, maintaining rail integrity during lightning-induced line surges. |
| Automotive Body Control Modules | Smart Meter Power Supplies |
Use Scenario: CAN bus power rail protection against load dump events (ISO 7637-2 Pulse 5a) in 12 V/24 V systems. IC Role / Device Role / Timing Role: Secondary clamp after primary TVS array, targeting residual overshoot beyond main suppressor threshold. Use Value: Limits voltage excursion to 87.1 V at 6.9 A, ensuring downstream LDOs and CAN transceivers remain within ABS-MAX ratings. |
Use Scenario: AC/DC adapter secondary-side output protection against capacitor discharge transients during hot-plug events. IC Role / Device Role / Timing Role: Final-stage TVS on regulated 5 V or 3.3 V meter SoC supply, placed immediately before voltage regulator input. Use Value: Prevents latch-up in metrology ADCs by clamping sub-100 ns spikes to <87.1 V, with <1.0 µA leakage preserving standby current budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ54A-Q | Same VRWM (54 V), but higher VC = 89.0 V at 6.8 A; AEC-Q200 qualified | Required for automotive ECUs needing qualification; not needed for industrial/commercial use | Select only if AEC-Q200 compliance is mandated; otherwise P6SMAJ54ADF-13 offers tighter VC and lower cost |
| 1.5SMC54A | Same electrical specs (VRWM = 54 V, VC = 87.1 V), but larger SMC package (7.1 × 6.2 mm vs. D-FLAT 4.6 × 2.6 mm) | Used where board space allows and thermal mass improves surge endurance | Choose for higher reliability in high-temperature ambient (>105°C); avoid if PCB real estate is constrained |
Compared with SMAJ54A-Q and 1.5SMC54A, P6SMAJ54ADF-13 delivers identical clamping performance in a 60% smaller footprint and lower leakage, making it optimal for space-limited industrial controls - while avoiding automotive qualification overhead or legacy package size penalties.
Availability
P6SMAJ54ADF-13 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, 48 V telecom power inputs, and smart meter power supplies requiring stable component supply, long-term lifecycle support, and full traceability.
Supply support for P6SMAJ54ADF-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 analog ICs, specializing in high-reliability protection, power management, and signal integrity solutions for industrial, computing, and communications markets.
P6SMAJ54ADF-13 belongs to the P6SMAJ series of 600 W surface-mount TVS diodes, engineered specifically for compact, high-efficiency overvoltage protection in space-constrained 24–75 V DC systems.
FAQ
What is the maximum operating temperature for P6SMAJ54ADF-13?
The P6SMAJ54ADF-13 has an operating junction temperature range of –55°C to +150°C. Its thermal resistance (RθJA = 92 °C/W on a 0.4" × 0.5" 2 oz Cu pad) means it can sustain continuous operation up to +125°C ambient in typical industrial PCB layouts with adequate copper area.
Is P6SMAJ54ADF-13 bidirectional or unidirectional?
P6SMAJ54ADF-13 is a unidirectional TVS diode, indicated by its single cathode band marking and schematic symbol showing anode/cathode polarity. It protects against positive-going transients on grounded-line configurations and must be oriented with cathode toward the protected line.
How does P6SMAJ54ADF-13 differ from the older P6SMAJ54A variant?
P6SMAJ54ADF-13 uses the same electrical specifications as P6SMAJ54A but adds halogen- and antimony-free "Green" compliance (Br/Cl <900 ppm, Sb <1000 ppm) and matte tin annealed terminations. The "-13" suffix denotes 10,000-piece tape-and-reel packaging per Diodes Inc. ordering conventions.
Can P6SMAJ54ADF-13 be used in parallel for higher surge current handling?
No - paralleling TVS diodes is not recommended due to mismatched breakdown voltages causing current imbalance and premature failure. For >6.9 A peak pulse current, select a higher-rated part (e.g., P6SMBJ54ADF-13, 1500 W) or implement staged protection with upstream fusing and coordinated clamping thresholds.
P6SMAJ54ADF-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):
- 54V
- Voltage - Breakdown (Min):
- 60V
- Voltage - Clamping (Max) @ Ipp:
- 87.1V
- Current - Peak Pulse (10/1000µs):
- 6.9A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D-Flat
P6SMAJ54ADF-13 FAQ
1.How can I place an order for P6SMAJ54ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ54ADF-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 P6SMAJ54ADF-13 reliable?
The price and inventory of P6SMAJ54ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ54ADF-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ54ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ54ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ54ADF-13?
P6SMAJ54ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ54ADF-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 P6SMAJ54ADF-13?
For technical support, including P6SMAJ54ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ54ADF-13 requirements.
6.How does Aetrix verify that P6SMAJ54ADF-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ54ADF-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 P6SMAJ54ADF-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ54ADF-13?
All P6SMAJ54ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ54ADF-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 P6SMAJ54ADF-13 part is unused and in its original packaging.
Return procedure for P6SMAJ54ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ54ADF-13 Tags
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