Diodes Incorporated DM8W10A-13
- Part No.:
- DM8W10A-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-218AB
- Datasheet:
-
DM8W10A-13.pdf
- Description:
- TVS DIODE 10VWM 17VC DO218
- Quantity:
- Payment:

- Shipping:

Inventory:3,887
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Product details
Overview
DM8W10A-13 from Diodes Incorporated is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed for automotive load dump and ISO 7637-2 surge protection in high-reliability power line applications. It delivers 6600W peak pulse power (10/1000µs), clamps at ≤17.0V under 388A peak current, and operates with reverse standoff voltage of 10V, rated for TJ = –55°C to +175°C in DO-218 (Type E) package.
For engineers reviewing the DM8W10A-13 datasheet, DM8W10A-13 pinout, DM8W10A-13 application, or DM8W10A-13 equivalent, this part supports critical automotive power rail protection where high-temperature stability, ISO16750-2 Pulse A/B compliance, and robust 700A surge current capability are required.
Technical Context
This TVS diode employs an avalanche breakdown structure optimized for fast response (<1ns) to transient overvoltages on 12V/24V automotive battery rails. Its unidirectional polarity and heatsink-anode configuration enable direct mounting to thermal planes for efficient heat dissipation during load dump events.
It meets ISO 16750-2 (Pulse A, Pulse B) and ISO 7637-2 (Pulse 1, 2a, 3a, 3b) requirements without external circuitry. Thermal resistance RθJC is 0.9°C/W, supporting sustained 8W average power dissipation at TC = +25°C with derating above ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 6600W (10/1000µs waveform) - handles severe automotive load dump surges without failure |
| Reverse Standoff Voltage | 10V - sets minimum operating voltage threshold before clamping activates |
| Clamping Voltage | ≤17.0V @ 388A - limits downstream voltage stress during worst-case transients |
| Peak Surge Current | 700A (8.3ms half-sine) - withstands high-energy single-event surges per ISO16750-2 |
| Junction Temperature Range | –55°C to +175°C - enables placement near hot engine compartments or power modules |
| Thermal Resistance | 0.9°C/W (Junction-to-Case) - allows effective heat transfer to PCB copper or heatsink |
| Capacitance | ~1000pF @ 0V (1MHz) - low enough to avoid signal integrity impact on DC power lines |
Pinout & Package
Package: DO-218 (Type E), surface-mount molded plastic housing (UL 94V-0), with heatsink acting as anode terminal and cathode marked by bar symbol on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Heatsink) | Positive connection point / thermal path | Must be soldered to large copper pour or heatsink for thermal management and electrical return |
| Cathode (Bar-marked lead) | Transient current sink | Connected to protected line (e.g., battery rail); conducts surge current to ground/anode during clamping |
Key Features
| Feature | Design Value |
|---|---|
| Automotive-grade qualification | Qualified per AEC-Q standards for high-reliability operation in harsh environments |
| Lead-free & halogen-free construction | RoHS 3 compliant with <900ppm Br/Cl and <1000ppm Sb - meets global environmental mandates |
| High-temperature junction capability | +175°C max TJ - supports under-hood deployment without derating penalties |
| ISO-compliant surge immunity | Fully meets ISO 16750-2 Pulse A/B and ISO 7637-2 Pulse 1/2a/3a/3b test profiles |
| Low thermal impedance packaging | DO-218 (Type E) enables 0.9°C/W RθJC - critical for repeated surge endurance |
Applications
| Engine Control Unit (ECU) Power Input | Body Control Module (BCM) Battery Rail |
|---|---|
Use Scenario: Protects microcontroller and CAN transceiver power inputs from alternator load dump spikes during ignition-off transitions. IC Role / Device Role / Timing Role: Unidirectional TVS clamps 12V rail to ≤17V within nanoseconds, preventing latch-up or gate oxide damage. Use Value: Enables reliable operation across –40°C to +125°C ambient with no additional filtering components required. |
Use Scenario: Shields BCM logic supply against ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 3b (capacitive discharge) transients. IC Role / Device Role / Timing Role: Acts as primary overvoltage clamp on fused 12V input, absorbing up to 6600W for 1ms. Use Value: Eliminates need for secondary TVS stages or RC snubbers due to high single-pulse energy rating. |
| ADAS Camera Power Supply | Electric Power Steering (EPS) Motor Driver |
Use Scenario: Safeguards image sensor and ISP power rails from battery line noise during start-stop cycling and regenerative braking events. IC Role / Device Role / Timing Role: Provides fast-response clamping on 5V/3.3V LDO inputs fed from buck converter output. Use Value: Maintains <1000pF capacitance to avoid degrading power rail stability or causing LDO oscillation. |
Use Scenario: Protects H-bridge gate drivers and current sense amplifiers from inductive kickback during motor commutation faults. IC Role / Device Role / Timing Role: Mounted directly at motor driver IC VDD pin to limit transient overshoot below absolute maximum ratings. Use Value: Supports 700A IFSM surge handling - exceeds typical EPS short-circuit fault currents. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ10A | Lower PPK (400W), DO-214AC package, RθJC ~35°C/W | Limited to non-automotive or low-energy surge environments | Select only if system-level surge energy is <500W and thermal budget permits higher junction rise |
| SMCJ10A | PPK = 1500W, DO-214AB package, RθJC ~15°C/W, same VRWM | Suitable for industrial power supplies but lacks ISO16750-2 certification | Use where automotive qualification is not mandated and cost sensitivity outweighs surge margin |
Compared with SMAJ10A and SMCJ10A, DM8W10A-13 provides 4.4× and 4.4× higher peak power handling respectively, plus AEC-Q alignment and superior thermal performance - essential for modern automotive power domain resilience.
Availability
DM8W10A-13 is available at Aetrix Electronics and suitable for automotive ECU protection, body control module design, ADAS camera power conditioning, and electric power steering systems requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for DM8W10A-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 automotive, industrial, and computing markets.
DM8W10A-13 belongs to Diodes' automotive-qualified TVS diode family engineered specifically for ISO16750-2 and ISO7637-2 compliance in 12V/24V vehicle electrical architectures.
FAQ
What is the maximum clamping voltage of DM8W10A-13 at its rated peak pulse current?
The DM8W10A-13 clamps to a maximum of 17.0V when subjected to its specified peak pulse current of 388A (10/1000µs waveform). This value is guaranteed across the full operating temperature range and ensures downstream components remain within safe voltage limits during surge events.
Can DM8W10A-13 be used in bidirectional configurations?
No - DM8W10A-13 is a unidirectional TVS diode with anode tied to the heatsink and cathode marked by a bar. It conducts only during reverse-biased overvoltage conditions. Bidirectional protection requires two devices or a dedicated bidirectional TVS such as the DM8W10CA series.
Is thermal derating required when operating above +25°C case temperature?
Yes - the device's 8W average power dissipation is rated at TC = +25°C. Figure 1 in the datasheet shows linear derating to zero at +175°C, yielding ~4.5W usable power at TC = +100°C. Layout must include ≥200mm² of 2oz copper connected to the anode for effective heat spreading.
Does DM8W10A-13 meet AEC-Q200 stress testing requirements?
Yes - it is qualified to AEC-Q200 Rev D for passive components and referenced in Diodes' AEC-Q product definitions. This includes temperature cycling, humidity bias, mechanical shock, and surge testing aligned with automotive reliability expectations.
DM8W10A-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):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 388A
- Power - Peak Pulse:
- 6600W (6.6kW)
- 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
DM8W10A-13 FAQ
1.How can I place an order for DM8W10A-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DM8W10A-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 DM8W10A-13 reliable?
The price and inventory of DM8W10A-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DM8W10A-13 is usually 5 days.
3.What payment methods are accepted for DM8W10A-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DM8W10A-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DM8W10A-13?
DM8W10A-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DM8W10A-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 DM8W10A-13?
For technical support, including DM8W10A-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DM8W10A-13 requirements.
6.How does Aetrix verify that DM8W10A-13 is sourced from the original manufacturer or authorized distributors?
All DM8W10A-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 DM8W10A-13 meets industry standards.
7.What is the process for return or replacement of DM8W10A-13?
All DM8W10A-13 units undergo pre-shipment inspection (PSI). If there is an issue with DM8W10A-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 DM8W10A-13 part is unused and in its original packaging.
Return procedure for DM8W10A-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DM8W10A-13 Tags

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