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Taiwan Semiconductor Corporation SMB10J16AH
- Part No.:
- SMB10J16AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J16AH.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,951
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Product details
Overview
SMB10J16AH from Taiwan Semiconductor is a unidirectional 1000W surface-mount transient voltage suppressor (TVS) diode with a 16V standoff voltage (VWM), 17.8–19.7V breakdown range (VBR), and 26.0V clamping voltage (VC) at 38.5A peak pulse current; designed for automotive-grade ESD and load-dump protection in power supply rails and signal lines.
For engineers reviewing the SMB10J16AH datasheet, SMB10J16AH pinout, SMB10J16AH application, or SMB10J16AH equivalent, key selection criteria include its AEC-Q101 qualification, DO-214AA (SMB) package compatibility, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, 1.0ps response time, and junction temperature rating up to +175°C.
Technical Context
This unidirectional TVS diode operates as a voltage-clamped shunt protector: it remains high-impedance below VWM = 16V, triggers avalanche conduction at VBR ≥ 17.8V, and limits transient energy by clamping to VC ≤ 26.0V during 10/1000μs pulses. Its glass-passivated junction ensures stable leakage and long-term reliability under repetitive surge stress.
Thermally, it features RθJL = 20°C/W and RθJA = 100°C/W, enabling 5W steady-state dissipation and 1000W non-repetitive peak pulse handling per JEDEC-standard 1ms pulse. Polarity is marked by cathode band; lead finish is matte tin per J-STD-002.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 17.8 / 19.7 V - Breakdown initiates within this range at 1 mA test current |
| VC @ IPPM | 26.0 V - Clamped voltage at 38.5 A peak pulse current (10/1000 μs waveform) |
| PPK | 1000 W - Peak pulse power handling capability per single non-repetitive event |
| TJ max | +175 °C - Maximum junction temperature for reliable operation in under-hood automotive environments |
| Response time | <1.0 ps - Enables suppression of ultrafast ESD and EFT transients before IC damage occurs |
| Standards | AEC-Q101 qualified; ISO 7637-2 Pulse 1/2a/2b/3a/3b compliant |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, low-profile, moisture sensitivity level 1 (J-STD-020), UL 94V-0 molding compound, matte tin-plated leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to lower-potential side (e.g., ground or return path) in unidirectional clamp configuration |
| Cathode (marked) | Current exit terminal in forward bias; clamping node in reverse bias | Connected to protected line (e.g., 12V rail); conducts when transient exceeds VWM, shunting energy to anode |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics use including engine control, body modules, and infotainment systems |
| Glass-passivated junction | Ensures stable VBR tolerance, low leakage (<1 µA at VWM), and resistance to humidity-induced degradation |
| ISO 7637-2 compliance | Withstands standardized automotive transients: load dump (Pulse 5a), inductive switch-off (Pulse 2b), and EFT bursts (Pulse 3b) |
| Low-profile SMB package | Enables automated SMT placement and fits space-constrained PCB layouts without compromising thermal performance |
| Junction-to-lead thermal resistance | RθJL = 20°C/W supports efficient heat transfer to copper pour or thermal pad, critical for sustained surge duty cycles |
Applications
| Automotive Power Rail Protection | LED Lighting Driver Protection |
|---|---|
Use Scenario: Suppressing load-dump transients (up to 40V, 100ms) on 12V battery-fed ECUs and ADAS sensors. IC Role / Device Role: Unidirectional shunt TVS placed between power rail and ground to clamp overvoltage before it reaches downstream regulators and microcontrollers. Use Value: Prevents latch-up or permanent damage to 3.3V/5V logic ICs by limiting rail voltage to ≤26.0V during ISO 7637-2 Pulse 5a events. | Use Scenario: Protecting constant-current LED drivers from ESD and switching spikes generated by MOSFET gate drive circuits. IC Role / Device Role: Transient suppressor across driver output terminals to absorb inductive kickback and human-body-model (HBM) ESD events. Use Value: Maintains LED system uptime by preventing driver IC failure during factory handling or field-level electrostatic discharge. |
| Industrial Sensor Interface Protection | Automotive CAN Bus Node Protection |
Use Scenario: Shielding analog sensor inputs (e.g., pressure, temperature) connected to vehicle chassis ground against coupled transients from nearby solenoids or motors. IC Role / Device Role: Low-leakage (≤1 µA) TVS placed at sensor front-end to avoid signal distortion while providing fast clamping. Use Value: Preserves measurement accuracy and avoids false triggering in safety-critical sensor subsystems operating at ambient temperatures up to +125°C. | Use Scenario: Guarding CAN transceiver I/O pins against EFT and burst noise induced by alternator ripple or relay switching in vehicle networks. IC Role / Device Role: Secondary-level protection device placed upstream of CAN bus termination resistors to absorb residual transients after primary filtering. Use Value: Extends CAN node lifetime by reducing bit errors and physical layer faults caused by repetitive sub-microsecond voltage excursions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16A (ON Semiconductor) | Same DO-214AA package, VWM = 16V, VC = 26.0V, but rated at 600W PPK and not AEC-Q101 qualified | Limited to industrial or consumer applications lacking automotive qualification requirements | Select SMBJ16A only if AEC-Q101 compliance is not required and peak surge energy is ≤600W |
| P6SMB16A (Littelfuse) | Identical electrical specs (VWM = 16V, VC = 26.0V, PPK = 1000W), AEC-Q101 qualified, same DO-214AA footprint | Direct functional replacement with identical mounting and thermal behavior | Choose P6SMB16A when dual-sourcing or second-source validation is needed for production continuity |
Compared with SMBJ16A and P6SMB16A, SMB10J16AH delivers full automotive qualification and matching 1000W surge capability-making it suitable for Tier-1 automotive designs where P6SMB16A serves as a validated alternate, while SMBJ16A is restricted to non-automotive use cases.
Availability
SMB10J16AH is available at Aetrix Electronics and suitable for automotive electronics, LED lighting systems, and industrial sensor interfaces requiring stable component supply, AEC-Q101 compliance, and consistent 1000W transient suppression performance.
Supply support for SMB10J16AH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for automotive, industrial, and consumer markets.
The SMB10JxxAH series was developed specifically to meet stringent automotive transient immunity standards-including AEC-Q101 and ISO 7637-2-while delivering high-power clamping in compact SMB packages for space-constrained ECUs and lighting modules.
FAQ
What is the maximum clamping voltage of SMB10J16AH at its rated peak pulse current?
The SMB10J16AH has a maximum clamping voltage (VC) of 26.0 V when subjected to its rated peak pulse current of 38.5 A under the standard 10/1000 μs waveform. This value is measured per JEDEC test conditions and ensures protected circuitry remains below critical overvoltage thresholds during transient events. The SMB10J16AH maintains this clamping performance across its full operating temperature range from −55°C to +175°C.
Is SMB10J16AH suitable for bidirectional transient protection?
No, SMB10J16AH is a unidirectional TVS diode intended for DC-biased applications such as 12V or 24V power rails. For bidirectional protection (e.g., AC lines or data buses), the SMB10J16CAH variant must be used. The "AH" suffix denotes unidirectional configuration with cathode marking; using SMB10J16AH in bidirectional scenarios may result in forward conduction and failure. Always verify polarity alignment during PCB layout for SMB10J16AH.
Does SMB10J16AH comply with automotive reliability standards?
Yes, SMB10J16AH is AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b transient immunity requirements. It also passes JESD201 Class 2 whisker testing and carries moisture sensitivity level 1 per J-STD-020-making it suitable for reflow-soldered automotive modules. These qualifications are verified per Taiwan Semiconductor's A2102 specification revision and apply directly to the SMB10J16AH part number.
What is the thermal resistance from junction to ambient for SMB10J16AH?
The SMB10J16AH has a junction-to-ambient thermal resistance (RθJA) of 100°C/W under standard JEDEC test conditions (single device on 1-inch² FR-4 board with 2 oz copper). This value assumes no additional thermal relief or copper pour; actual board-level RθJA improves significantly with thermal vias and ground-plane coupling. For thermal design, use RθJL = 20°C/W when calculating junction temperature rise above lead temperature.
How is SMB10J16AH marked on the package?
SMB10J16AH is marked with the code "1LP" on the cathode band side of the DO-214AA (SMB) package. The marking includes the device's voltage grade identifier and follows Taiwan Semiconductor's standard coding scheme for the SMB10JxxAH family. The cathode band itself indicates polarity-critical for correct orientation during automated placement. No date code or factory code is included in the base marking for this variant unless specified in custom ordering.
SMB10J16AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- SMB10J
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- Power - Peak Pulse:
- 1000W (1kW)
- 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-214AA (SMB)
SMB10J16AH FAQ
1.How can I place an order for SMB10J16AH through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J16AH 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 SMB10J16AH reliable?
The price and inventory of SMB10J16AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J16AH is usually 5 days.
3.What payment methods are accepted for SMB10J16AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J16AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J16AH?
SMB10J16AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J16AH 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 SMB10J16AH?
For technical support, including SMB10J16AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J16AH requirements.
6.How does Aetrix verify that SMB10J16AH is sourced from the original manufacturer or authorized distributors?
All SMB10J16AH 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 SMB10J16AH meets industry standards.
7.What is the process for return or replacement of SMB10J16AH?
All SMB10J16AH units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J16AH, 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 SMB10J16AH part is unused and in its original packaging.
Return procedure for SMB10J16AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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