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Diodes Incorporated DM6W13A-13
- Part No.:
- DM6W13A-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-218AB
- Datasheet:
-
DM6W13A-13.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO218
- Quantity:
- Payment:
- Shipping:
Inventory:8,798
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Product details
Overview
DM6W13A-13 from Diodes Incorporated is a surface-mount transient voltage suppressor (TVS) diode designed for automotive load dump and ISO 7637-2 surge protection in power line applications. It features a 13 V reverse standoff voltage (VRWM), 21.5 V maximum clamping voltage (VC) at 214 A peak pulse current, and 4600 W peak pulse power dissipation (10/1000 µs waveform), enabling robust protection of 12 V automotive ECUs and body control modules.
For engineers reviewing the DM6W13A-13 datasheet, DM6W13A-13 pinout, DM6W13A-13 application, or DM6W13A-13 equivalent, this device delivers verified high-current surge handling, low thermal resistance (1.0 °C/W), and AEC-Q–qualified reliability for under-hood electronics requiring stable overvoltage immunity across -55°C to +175°C operating range.
Technical Context
This unidirectional TVS diode operates with anode-connected heatsink polarity and is optimized for fast response to load dump transients (ISO 16750-2) and repetitive surges (ISO 7637-2 Pulse 1, 2a, 3a, 3b). Its DO-218 package provides low junction-to-case thermal resistance and high surge current capability up to 600 A (8.3 ms half-sine).
Electrical behavior is defined by tight breakdown voltage tolerance (14.4–15.9 V at 5 mA), low leakage (<10 µA at VRWM), and stable clamping performance up to +175°C junction temperature. The device maintains <150 µA leakage at VRWM even at maximum rated junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 13 V - Maximum continuous reverse operating voltage before clamping begins; matches nominal 12 V automotive system with margin. |
| VBR (min/max) | 14.4 / 15.9 V @ 5 mA - Confirmed breakdown threshold ensures predictable turn-on during transients without premature conduction. |
| VC @ IPP | 21.5 V @ 214 A (10/1000 µs) - Clamping voltage limits downstream IC stress to safe levels during worst-case surge events. |
| PPK | 4600 W - Peak pulse power rating enables single-device protection against severe load dump energy (up to 10 ms exponential waveform). |
| RθJC | 1.0 °C/W - Low thermal resistance allows efficient heat transfer to PCB copper or heatsink, sustaining repeated surge duty cycles. |
| TJ Range | -55°C to +175°C - Full automotive-grade temperature operation supports engine bay and transmission control unit placement. |
| IFSM | 600 A @ 8.3 ms - Surge current rating validates survivability against high-energy battery disconnection events. |
Pinout & Package
Package: DO-218 (Type E), surface-mount, molded plastic housing with UL 94V-0 flammability rating. Anode terminal is connected to the heatsink (case); cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Heatsink) | Current entry point during clamping | Electrically and thermally connected to case; must be soldered to large copper pour for thermal management and low-inductance path. |
| Cathode (Bar-marked lead) | Current exit point during clamping | Connected to protected line (e.g., battery rail); polarity-sensitive installation required to ensure correct surge shunting direction. |
Key Features
| Feature | Design Value |
|---|---|
| 4600 W peak pulse power | Enables single-device compliance with ISO 16750-2 Load Dump Class III (up to 120 V, 10 ms) without parallel staging. |
| Low RθJC (1.0 °C/W) | Reduces junction temperature rise by >50% vs. standard SMB packages, extending surge endurance and lifetime in high-ambient environments. |
| AEC-Q qualified reliability | Validated per JEDEC standards for automotive use-supports long-term deployment in safety-critical power distribution systems. |
| Halogen- and antimony-free "Green" construction | Meets RoHS 3 (2015/863/EU) and automotive environmental requirements without compromising surge robustness or thermal performance. |
Applications
| Engine Control Unit (ECU) Power Input | Body Control Module (BCM) Battery Rail |
|---|---|
Use Scenario: Protects microcontroller power supply against alternator load dump spikes during battery disconnect. IC Role / Device Role / Timing Role: Unidirectional TVS clamps transient overvoltage within 1 ns to limit rail excursion below 22 V. Use Value: Prevents latch-up or permanent damage to 3.3 V/5 V LDOs and CAN transceivers downstream of the input filter stage. |
Use Scenario: Shields BCM power domain from ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 3b (capacitive coupling) transients. IC Role / Device Role / Timing Role: Fast-response voltage clamp placed upstream of DC-DC converters and LIN transceivers. Use Value: Maintains functional integrity during repeated 100 V/50 ms surges without derating or thermal shutdown. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Camera Power |
Use Scenario: Installed on 12 V input of TCU power management IC to survive under-hood temperature cycling and load dump. IC Role / Device Role / Timing Role: Primary overvoltage suppression element with heatsink-integrated anode for direct thermal coupling. Use Value: Sustains 600 A surge current at +150°C ambient without parameter shift or failure, ensuring ASIL-B compliance. |
Use Scenario: Guards 12 V camera module input against ignition noise and jump-start transients in rear-view and surround-view systems. IC Role / Device Role / Timing Role: Low-capacitance (typ. 36 pF @ 0 V) TVS minimizes signal distortion on high-speed video lines sharing same power rail. Use Value: Clamps to 21.5 V while adding <0.5 pF parasitic capacitance-preserving image quality and EMI margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A | Lower PPK (400 W), DO-214AC package, RθJC ≈ 50 °C/W | Not suitable for load dump; limited to ISO 7637-2 Pulse 1/2 only | Select when cost sensitivity outweighs surge severity; requires thermal derating above +85°C ambient. |
| SMCJ13A | PPK = 1500 W, DO-214AB package, RθJC ≈ 10 °C/W | Marginally meets ISO 16750-2 Class II but fails Class III load dump | Acceptable for non-engine-bay modules where peak surge energy is capped below 2000 W. |
Compared with SMAJ13A and SMCJ13A, DM6W13A-13 uniquely delivers full ISO 16750-2 Class III load dump immunity in a thermally optimized DO-218 package-enabling single-device protection without external heatsinking or parallel devices.
Availability
DM6W13A-13 is available at Aetrix Electronics and suitable for automotive power distribution, engine control units, and ADAS camera modules requiring stable component supply with guaranteed long-term availability and AEC-Q traceability.
Supply support for DM6W13A-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 components for automotive, industrial, and computing markets.
The DM6WxxA series belongs to Diodes' automotive-qualified TVS portfolio, engineered specifically for ISO 16750-2 and ISO 7637-2 compliance in harsh-environment vehicle electronics.
FAQ
What is the maximum clamping voltage of DM6W13A-13 at rated peak current?
The maximum clamping voltage (VC) is 21.5 V at 214 A peak pulse current using the 10/1000 µs waveform. This value is measured under standardized test conditions per IEC 61000-4-5 and is guaranteed across the full -55°C to +175°C junction temperature range, ensuring consistent overvoltage limiting in under-hood applications.
Is DM6W13A-13 qualified for automotive use?
Yes-DM6W13A-13 is AEC-Q qualified per JEDEC standards referenced in the AEC-Q200 stress test plan. It undergoes temperature cycling, humidity bias, mechanical shock, and surge testing to validate reliability for automotive power systems, including engine control, transmission, and body electronics.
How does the DO-218 package improve thermal performance over standard SMB/SMA packages?
The DO-218 (Type E) package integrates the anode directly into a large metal heatsink tab, achieving a junction-to-case thermal resistance of 1.0 °C/W-over 40× lower than DO-214AC (SMA) and ~10× lower than DO-214AB (SMC). This enables sustained surge handling without thermal runaway, even at +150°C ambient.
Can DM6W13A-13 replace DM6W13AQ in automotive designs?
No-DM6W13AQ is the AEC-Q–certified variant with additional qualification documentation and lot-level traceability per automotive requirements. While electrically identical, DM6W13A-13 lacks the formal automotive qualification record and is intended for industrial or non-safety-critical applications unless re-qualified by the end customer.
DM6W13A-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-218AB
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 214A
- Power - Peak Pulse:
- 4600W (4.6kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-218
DM6W13A-13 FAQ
1.How can I place an order for DM6W13A-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DM6W13A-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 DM6W13A-13 reliable?
The price and inventory of DM6W13A-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DM6W13A-13 is usually 5 days.
3.What payment methods are accepted for DM6W13A-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DM6W13A-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DM6W13A-13?
DM6W13A-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DM6W13A-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 DM6W13A-13?
For technical support, including DM6W13A-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DM6W13A-13 requirements.
6.How does Aetrix verify that DM6W13A-13 is sourced from the original manufacturer or authorized distributors?
All DM6W13A-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 DM6W13A-13 meets industry standards.
7.What is the process for return or replacement of DM6W13A-13?
All DM6W13A-13 units undergo pre-shipment inspection (PSI). If there is an issue with DM6W13A-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 DM6W13A-13 part is unused and in its original packaging.
Return procedure for DM6W13A-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DM6W13A-13 Tags
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