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Diodes Incorporated DM5W36A-13
- Part No.:
- DM5W36A-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-218AB
- Datasheet:
-
DM5W36A-13.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO218
- Quantity:
- Payment:
- Shipping:
Inventory:4,309
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Product details
Overview
DM5W36A-13 from Diodes Incorporated is a surface-mount transient voltage suppressor (TVS) diode designed for automotive load dump and ISO7637-2 surge protection. It features 3600W peak pulse power (10/1000µs), 36V reverse standoff voltage (VRWM), 40.0–44.2V breakdown voltage (VBR), 58.1V clamping voltage at 62A IPP, and DO-218 package with anode-heatsink polarity. It is deployed in 12V/24V automotive power rails to protect ECUs, body control modules, and infotainment systems.
For engineers reviewing the DM5W36A-13 datasheet, DM5W36A-13 pinout, DM5W36A-13 application, or DM5W36A-13 equivalent, this page delivers verified electrical parameters, thermal resistance (RθJC = 1.1°C/W), ISO16750-2 compliance status, junction temperature range (–55°C to +175°C), and DO-218 mechanical layout details - all critical for high-reliability automotive circuit design.
Technical Context
This unidirectional TVS diode operates as a clamping device in parallel with sensitive electronics, activating above its 40.0V minimum breakdown threshold to divert surge current away from downstream components. Its low RθJC (1.1°C/W) enables efficient heat transfer to the heatsink-anode structure during 10ms exponential load dump events.
The device meets AEC-Q200 stress test requirements and is rated for 500A non-repetitive forward surge (IFSM) and 5W steady-state power dissipation at TC = +25°C. Its 150µA max reverse leakage at VRWM and 250µA at TJ = +175°C ensure minimal standby power loss in battery-connected systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 3600W (10/1000µs waveform); sustains ISO7637-2 Pulse 5a load dump surges without failure |
| Reverse Standoff Voltage | 36V; sets maximum continuous operating voltage before clamping initiates in 12V/24V automotive systems |
| Breakdown Voltage | 40.0–44.2V @ 5mA; ensures reliable turn-on margin above system nominal voltage |
| Clamping Voltage | 58.1V @ 62A IPP; limits transient voltage seen by protected ICs to safe levels during surge events |
| Thermal Resistance | 1.1°C/W (Junction-to-Case); enables direct mounting to heatsink for stable operation under repeated surges |
| Operating Temperature | –55°C to +175°C; supports under-hood deployment in engine control units and transmission controllers |
| Surge Current Rating | 500A (8.3ms half-sine); withstands high-energy transients per ISO16750-2 Category III/IV |
Pinout & Package
Package: DO-218 (Type E), surface-mount, molded plastic (UL 94V-0), anode connected to heatsink tab, cathode marked with bar.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Heatsink Tab) | Current return path and thermal interface | Must be soldered to copper pour or heatsink for effective thermal management; electrically connects to system ground or low-side reference |
| Cathode (Lead) | Transient voltage sensing and clamping node | Connected to protected line (e.g., battery rail); conducts surge current to anode when VAK exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| 3600W Peak Pulse Power | Enables single-device protection against severe load dump events without cascaded TVS stacking |
| Low Thermal Resistance (1.1°C/W) | Reduces junction temperature rise during repetitive surges, extending device lifetime in cyclic automotive environments |
| Automotive Qualification | AEC-Q200 qualified; validated for vibration, temperature cycling, and humidity exposure per automotive reliability standards |
| Green Construction | Halogen- and antimony-free (<900ppm Br/Cl, <1000ppm Sb); compliant with RoHS 3 and automotive environmental directives |
Applications
| Engine Control Unit (ECU) Power Input | Body Control Module (BCM) CAN Bus Supply |
|---|---|
Use Scenario: Protects 12V input rail of gasoline/diesel engine ECUs from alternator load dump spikes during battery disconnection. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between battery feed and DC-DC converter input. Use Value: Limits transient voltage to ≤58.1V, preventing damage to 40V-rated input capacitors and LDO regulators. |
Use Scenario: Shields 12V supply feeding isolated CAN transceivers and microcontrollers in BCMs. IC Role / Device Role / Timing Role: Parallel surge suppression on VCC rail upstream of CAN bus power conditioning stage. Use Value: Maintains CAN signal integrity by preventing rail collapse or latch-up during ISO7637-2 Pulse 1/2a transients. |
| Infotainment Head Unit Power Rail | ADAS Camera Module Power Input |
Use Scenario: Guards main 12V input of multimedia head units exposed to vehicle-level surges during jump-start or alternator regulation faults. IC Role / Device Role / Timing Role: Primary overvoltage clamp on fused battery feed prior to buck converter and PMIC. Use Value: Withstands 500A IFSM surges while maintaining <150µA leakage at 36V, minimizing standby current drain. |
Use Scenario: Safeguards 12V input of rear-view or surround-view camera modules mounted near chassis ground paths. IC Role / Device Role / Timing Role: High-reliability TVS on camera module PCB edge connector input, thermally anchored to internal ground plane. Use Value: Operates continuously from –40°C to +105°C ambient with full 3600W surge capability, meeting ASIL-B functional safety support needs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A | Lower PPK (400W), SMA package, RθJC ≈ 50°C/W, no heatsink tab | Limited to low-energy surges (ISO7637-2 Pulse 1/2a only); unsuitable for load dump | Select only for cost-sensitive non-automotive industrial applications with <100A surge exposure |
| SMCJ36A | PPK = 1500W, SMC package, RθJC ≈ 12°C/W, heatsink-compatible but lower energy rating | Meets ISO7637-2 Pulse 5a only up to 24V systems; insufficient for 36V clamping margin in 24V+ load dump | Acceptable for mid-tier automotive subsystems where full 3600W is not mandated by OEM spec |
Compared with SMAJ36A and SMCJ36A, DM5W36A-13 provides 2.4× higher surge energy handling and 11× better thermal performance - enabling single-device compliance with ISO16750-2 Category IV load dump in 24V commercial vehicles without derating or parallel devices.
Availability
DM5W36A-13 is available at Aetrix Electronics and suitable for automotive ECU protection, body control module hardening, infotainment power rail stabilization, and ADAS camera module surge resilience requiring stable component supply across extended production lifecycles.
Supply support for DM5W36A-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.
DM5W36A-13 belongs to Diodes' automotive-grade TVS portfolio engineered specifically for ISO16750-2 and ISO7637-2 compliance in harsh under-hood environments - emphasizing thermal robustness, surge endurance, and long-term parametric stability.
FAQ
What is the maximum clamping voltage of DM5W36A-13 at rated peak pulse current?
The DM5W36A-13 clamps to 58.1V at 62A peak pulse current (IPP) under 10/1000µs waveform conditions. This value is measured per JEDEC-standard test methodology and guarantees voltage limiting within automotive semiconductor absolute maximum ratings, ensuring downstream 60V-rated MOSFETs and regulators remain undamaged during surge events.
Is DM5W36A-13 qualified for automotive use per AEC-Q200?
Yes, DM5W36A-13 is AEC-Q200 qualified and explicitly referenced in Diodes' product definitions for high-reliability automotive applications. It passes temperature cycling, mechanical shock, vibration, and humidity testing per AEC-Q200 Rev D, and is documented in the DS40426 datasheet as meeting ISO16750-2 and ISO7637-2 surge standards required for Tier 1 automotive supply.
How does the DO-218 package improve thermal performance over SMA or SMC packages?
The DO-218 (Type E) package integrates a large metal heatsink tab directly connected to the anode, achieving RθJC = 1.1°C/W - over 10× lower than SMAJ36A (≈12°C/W) and ~11× lower than SMCJ36A (≈12°C/W). This allows >3× higher sustained power dissipation and eliminates thermal derating below +125°C case temperature in real-world under-hood layouts.
Can DM5W36A-13 replace DM5W36AQ in automotive production designs?
No - DM5W36AQ is the AEC-Q200-qualified automotive variant with additional process controls and lot-level traceability; DM5W36A-13 is the industrial-grade version. While electrically identical, DM5W36AQ undergoes extended reliability testing and has different qualification documentation. For production automotive programs, DM5W36AQ must be used to meet OEM PPAP and audit requirements.
DM5W36A-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):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 61A
- Power - Peak Pulse:
- 3600W (3.6kW)
- 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
DM5W36A-13 FAQ
1.How can I place an order for DM5W36A-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DM5W36A-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 DM5W36A-13 reliable?
The price and inventory of DM5W36A-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DM5W36A-13 is usually 5 days.
3.What payment methods are accepted for DM5W36A-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DM5W36A-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DM5W36A-13?
DM5W36A-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DM5W36A-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 DM5W36A-13?
For technical support, including DM5W36A-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DM5W36A-13 requirements.
6.How does Aetrix verify that DM5W36A-13 is sourced from the original manufacturer or authorized distributors?
All DM5W36A-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 DM5W36A-13 meets industry standards.
7.What is the process for return or replacement of DM5W36A-13?
All DM5W36A-13 units undergo pre-shipment inspection (PSI). If there is an issue with DM5W36A-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 DM5W36A-13 part is unused and in its original packaging.
Return procedure for DM5W36A-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DM5W36A-13 Tags
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