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onsemi SMBJ13A100
- Part No.:
- SMBJ13A100
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ13A100.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,515
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Product details
Overview
SMBJ13A from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for high-energy ESD and surge protection in power rails and signal lines. It features a 13 V working stand-off voltage (VWM), 14.4–15.9 V breakdown voltage (VBR), 29.0 A peak pulse current (IPP), 21.5 V maximum clamping voltage (VC), and 600 W peak pulse power (PPK) with <1.0 ps response time - deployed in automotive lighting control modules and industrial I/O interfaces.
For engineers reviewing the SMBJ13A datasheet, pinout, applications, or equivalent options, key selection criteria include clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, leakage current ≤1 µA at 13 V, unidirectional polarity marking, DO-214AA thermal resistance (RθJA = 55 °C/W), and compatibility with automated SMT placement per J-STD-002 solderability.
Technical Context
The SMBJ13A operates as a unidirectional avalanche diode, leveraging glass-passivated junction technology to achieve fast transient suppression (<1.0 ps response) and low leakage (<1 µA at VWM). Its clamping behavior follows the 10/1000 µs standard waveform, with VC = 21.5 V at IPP = 29.0 A - ensuring predictable overvoltage limiting during load dump or inductive switching events.
Thermally, it supports continuous operation up to TJ = 150 °C, with RθJC = 10 °C/W and RθJA = 55 °C/W, enabling reliable performance in compact PCB layouts without forced airflow. Polarity is marked by a cathode band, and moisture sensitivity is rated J-STD-020 Level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC/AC rail margin. |
| VBR @ IT = 1 mA | 14.4–15.9 V - Breakdown threshold range; ensures consistent avalanche initiation across production lots. |
| VC @ IPP = 29.0 A | 21.5 V - Clamped voltage during 10/1000 µs surge; determines protected circuit's maximum transient exposure. |
| PPK | 600 W - Peak pulse power handling; validates robustness against ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 2b (battery disconnect). |
| IPP | 29.0 A - Maximum non-repetitive surge current; sets minimum trace width and fuse coordination requirements. |
| ID @ VWM | ≤1 µA - Reverse leakage at 13 V; guarantees negligible standby power loss in battery-powered systems. |
| TJ max | 150 °C - Maximum junction temperature; enables use in under-hood automotive environments without derating. |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-die unidirectional configuration with cathode band marking. Case meets UL 94V-0 flammability rating; matte tin-plated leads comply with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or return path; forms current loop during clamping event. |
| Cathode | Protected line input | Connected to supply rail or signal line; voltage referenced to anode during surge conduction. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable VBR tolerance and long-term reliability under thermal cycling and humidity stress. |
| Response time < 1.0 ps | Ensures suppression of nanosecond-scale ESD transients before sensitive ICs experience overstress. |
| Meets ISO 7637-2 Pulse 1/2a/2b/3a/3b | Validates suitability for automotive 12 V system protection without external filtering or staging. |
| J-STD-020 Level 1 moisture sensitivity | Permits unlimited floor life and reflow without baking, simplifying SMT manufacturing flow. |
| RoHS & halogen-free (IEC 61249-2-21) | Supports compliance with EU environmental directives and end-of-life recycling requirements. |
Applications
| Automotive Lighting Control | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protecting LED driver ICs and microcontrollers from load dump surges during headlamp switching in 12 V vehicle systems. IC Role / Device Role / Timing Role: Unidirectional TVS placed between +12 V rail and ground, clamping transients before they reach downstream regulators and logic. Use Value: Limits peak voltage to 21.5 V during 29 A ISO 7637-2 Pulse 2b events, preventing latch-up or gate oxide damage in 3.3 V/5 V logic. | Use Scenario: Safeguarding 24 V digital input channels on programmable logic controllers exposed to field wiring inductive kickback. IC Role / Device Role / Timing Role: Front-end transient suppressor on each optocoupler input, absorbing energy from relay coil de-energization. Use Value: Withstands repetitive 600 W pulses while maintaining ≤1 µA leakage at 24 V nominal, preserving input threshold accuracy. |
| USB Port ESD Protection | DC Power Supply Input Stage |
Use Scenario: Secondary-level ESD protection on VBUS line of USB 2.0 ports in embedded host devices subjected to IEC 61000-4-2 ±15 kV contact discharge. IC Role / Device Role / Timing Role: Fast-response clamp parallel to bulk capacitance, shunting ESD current away from USB transceiver PHY. Use Value: Sub-1 ps response ensures clamping occurs before transceiver's internal protection triggers, reducing cumulative stress on silicon. | Use Scenario: Overvoltage protection on 12–48 V DC input of industrial power supplies subject to accidental AC mains coupling or lightning-induced surges. IC Role / Device Role / Timing Role: Primary surge limiter upstream of input rectifier and bulk capacitor, diverting energy before filter components saturate. Use Value: 600 W PPK rating allows absorption of multiple 10/1000 µs transients without degradation, extending supply MTBF. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A from Vishay (SMCJ13A) | Same DO-214AA package, identical VWM/VBR/VC specs, but higher IPP = 30.1 A and lower RθJA = 40 °C/W. | Marginally better thermal performance in high-density layouts; same ISO 7637-2 compliance. | Select when board space permits tighter thermal management or higher surge margin is required. |
| SMBJ13A from ON Semiconductor (1.5SMC13A) | DO-214AB (SMC) package - larger footprint (7.11 × 6.22 mm vs. 4.57 × 3.94 mm), same electrical specs, higher PPK = 1500 W. | Requires PCB layout change; suited for higher-energy applications where SMB footprint is insufficient. | Choose only if 600 W is inadequate and mechanical redesign is acceptable. |
Compared with SMBJ13A from Taiwan Semiconductor, the Vishay SMCJ13A offers identical form-factor and enhanced thermal dissipation, while the ON Semiconductor 1.5SMC13A delivers higher power rating at the cost of larger DO-214AB packaging - making Taiwan Semiconductor's SMBJ13A optimal for space-constrained, cost-sensitive automotive and industrial designs requiring proven 600 W DO-214AA performance.
Availability
SMBJ13A is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC digital inputs, USB port ESD protection, and DC power supply input stage applications requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for SMBJ13A 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, MOSFETs, and power management devices.
The SMBJ series was developed specifically for high-reliability, surface-mount transient suppression in automotive and industrial environments - emphasizing fast response, low leakage, and robust ISO 7637-2 compliance in compact DO-214AA packaging.
FAQ
What is the maximum clamping voltage of SMBJ13A at its rated peak pulse current?
The SMBJ13A has a maximum clamping voltage (VC) of 21.5 V when subjected to its rated peak pulse current (IPP) of 29.0 A under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream 3.3 V or 5 V logic circuits. The SMBJ13A maintains this clamping performance across its full operating temperature range (−55 °C to +150 °C).
Is SMBJ13A suitable for bidirectional transient protection?
No, SMBJ13A is a unidirectional TVS diode and must be used with correct polarity - cathode connected to the protected line, anode to ground. For bidirectional protection, the SMBJ13CA variant (with 'C' or 'CA' suffix) is specified, offering symmetrical breakdown in both directions. Using SMBJ13A in reverse-biased configuration will not provide effective clamping and may lead to device failure. Always verify polarity marking on the DO-214AA package before placement.
Does SMBJ13A meet automotive-grade reliability standards?
Yes, SMBJ13A meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements for 12 V automotive systems and is qualified per JESD201 Class 2 whisker testing. Its glass-passivated junction, J-STD-020 Level 1 moisture sensitivity, and −55 °C to +150 °C operating range align with AEC-Q101 stress test conditions. While not AEC-Q101 certified out-of-box, SMBJ13A is widely deployed in automotive lighting and body control modules where full qualification is supported by TSC's process controls and application validation data.
What is the forward voltage drop of SMBJ13A under surge conditions?
The SMBJ13A does not specify forward voltage (VF) in its datasheet because it is a unidirectional TVS diode intended for reverse-bias clamping only. However, per SMBJ series documentation, VF = 5.0 V applies to all SMBJ100–SMBJ170 unidirectional devices at IF = 50 A - meaning SMBJ13A exhibits ~5.0 V forward drop during extreme forward conduction (e.g., miswiring or fault). This value is not a design parameter but a safety limit; normal operation keeps the device reverse-biased.
Can SMBJ13A be used in parallel to increase surge current handling?
No - SMBJ13A should not be paralleled without active current-sharing circuitry. Due to VBR tolerance (14.4–15.9 V), mismatched devices will conduct unevenly during transients, causing one diode to absorb disproportionate energy and fail prematurely. For higher IPP, select a higher-rated part (e.g., SMBJ15A or SMBJ16A) or use a discrete TVS array. The SMBJ13A is optimized for single-device 29.0 A surge handling in DO-214AA footprint.
SMBJ13A100 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-214AA, SMB
- Series:
- SMBJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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):
- 27.9A
- 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:
- DO-214AA (SMB)
SMBJ13A100 FAQ
1.How can I place an order for SMBJ13A100 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ13A100 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 SMBJ13A100 reliable?
The price and inventory of SMBJ13A100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ13A100 is usually 5 days.
3.What payment methods are accepted for SMBJ13A100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ13A100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ13A100?
SMBJ13A100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ13A100 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 SMBJ13A100?
For technical support, including SMBJ13A100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ13A100 requirements.
6.How does Aetrix verify that SMBJ13A100 is sourced from the original manufacturer or authorized distributors?
All SMBJ13A100 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 SMBJ13A100 meets industry standards.
7.What is the process for return or replacement of SMBJ13A100?
All SMBJ13A100 units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ13A100, 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 SMBJ13A100 part is unused and in its original packaging.
Return procedure for SMBJ13A100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ13A100 Tags
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