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Taiwan Semiconductor Corporation SMBJ160C
- Part No.:
- SMBJ160C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ160C.pdf
- Description:
- 600W, 198V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:7,789
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Product details
Overview
SMBJ160C from Taiwan Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode designed for high-energy surge protection in DC power lines and signal interfaces. It features a 160 V working stand-off voltage (VWM), 287 V maximum clamping voltage (VC@IPP) at 2.2 A peak impulse current, and 600 W peak pulse power rating with <1.0 ps response time - deployed in automotive infotainment power rails and industrial I/O modules.
For engineers reviewing the SMBJ160C datasheet, SMBJ160C pinout, SMBJ160C application, or SMBJ160C equivalent, key selection criteria include unidirectional vs. bidirectional configuration (C suffix = bidirectional), clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, junction temperature derating above 25°C, and DO-214AA (SMB) package compatibility with automated SMT placement.
Technical Context
The SMBJ160C operates as a silicon avalanche diode with glass-passivated junction, enabling fast transient suppression without degradation under repetitive surges. Its bidirectional configuration supports symmetrical clamping in AC-coupled or floating systems, and it meets ISO 7637-2 immunity requirements for automotive electronics.
Thermal performance is defined by RθJC = 10°C/W and RθJA = 55°C/W, supporting operation from –55°C to +150°C junction temperature. The device uses a single-die DO-214AA (SMB) package with matte tin-plated leads compliant with J-STD-002 solderability and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 160 V - Maximum continuous DC or RMS voltage the device blocks without conduction |
| VBR (min/max) | 178 V / 218 V @ 1 mA - Breakdown voltage range defining reliable avalanche initiation threshold |
| VC@IPP | 287 V @ 2.2 A (10/1000 µs) - Clamped voltage during worst-case surge, limiting downstream stress |
| PPK | 600 W - Peak non-repetitive surge power handling capability per IEC 61000-4-5 and ISO 7637-2 |
| ID@VWM | ≤1 µA - Leakage current at rated stand-off, ensuring minimal standby power loss in high-impedance circuits |
| TJ max | +150°C - Maximum junction temperature enabling use in under-hood automotive or enclosed industrial enclosures |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, bi-directional symmetric construction with cathode band omitted (no polarity marking required).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals function identically - no directional biasing; clamps voltage excursions above ±287 V in either polarity |
Key Features
| Feature | Design Value |
|---|---|
| Fast response time | <1.0 ps - Enables suppression before sensitive ICs experience overvoltage damage during ESD or EFT events |
| Glass passivated junction | Enhanced reliability and moisture resistance per J-STD-020 Level 1 - eliminates need for conformal coating in humid environments |
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (EFT) - suitable for 12 V/24 V automotive ECUs |
| Halogen-free & RoHS | Complies with IEC 61249-2-21 and EU RoHS Directive - supports green manufacturing and end-of-life recycling requirements |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller power inputs against load dump and jump-start surges in body control modules. IC Role / Device Role / Timing Role: Bidirectional TVS clamping element placed upstream of LDO regulators and CAN/LIN PHYs. Use Value: Limits transient voltage to ≤287 V during ISO 7637-2 Pulse 1 (−120 V, 50 ms), preventing latch-up or gate oxide rupture in 3.3 V/5 V logic. |
Use Scenario: Safeguarding 4–20 mA current loop receivers and analog front-ends in PLC analog input modules exposed to field wiring transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp on signal and supply lines interfacing with industrial sensors. Use Value: Withstands ≥2.2 A peak impulse (10/1000 µs) while maintaining low leakage (<1 µA), preserving measurement accuracy in precision current sensing. |
| LED Driver Input Protection | USB Port ESD Suppression |
Use Scenario: Front-end surge protection for constant-current LED drivers in streetlight controllers subjected to lightning-induced surges on AC mains input. IC Role / Device Role / Timing Role: Secondary-level TVS after MOVs, absorbing residual energy and limiting let-through voltage to downstream bridge rectifiers and PFC controllers. Use Value: 600 W peak power rating handles high-energy transients without thermal runaway; DO-214AA footprint enables compact layout near AC input terminals. |
Use Scenario: Bidirectional ESD protection on USB 2.0 D+/D− lines in embedded host devices operating in noisy factory environments. IC Role / Device Role / Timing Role: Low-capacitance TVS (typ. <100 pF at 0 V) placed directly at USB connector to shunt HBM ±15 kV discharges. Use Value: Sub-1 ps response ensures clamping occurs before transceiver ICs sustain damage; symmetric structure avoids signal polarity concerns on differential pairs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ160CA | Same DO-214AC (SMA) package; slightly higher VC@IPP = 292 V; RθJA = 60°C/W vs. 55°C/W | Lower power density due to larger thermal resistance; less suitable for high-ambient-density PCBs | Select when existing SMA footprint is fixed and minor clamping voltage increase is acceptable |
| ON Semiconductor 1.5SMC160CA | DO-214AB (SMC) package; 1.5 kW rating; VC@IPP = 287 V; higher IPP = 5.2 A | Physically larger (7.11 × 6.22 mm vs. 4.57 × 3.94 mm); requires board rework for space-constrained designs | Choose for higher surge margin where board area permits and 1.5 kW rating is required per IEC 61000-4-5 Level 4 |
Compared with SMAJ160CA and 1.5SMC160CA, the SMBJ160C offers optimal balance of compact DO-214AA footprint, 600 W surge rating, and 287 V clamping - making it preferred for space-constrained automotive and industrial modules where thermal management is tightly controlled.
Availability
SMBJ160C is available at Aetrix Electronics and suitable for automotive ECU power rail protection, industrial I/O module surge hardening, and LED driver input stage protection requiring stable component supply across multi-year production cycles.
Supply support for SMBJ160C 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs since 1979.
The SMBJ series was developed specifically for robust, high-reliability transient suppression in automotive and industrial environments - emphasizing ISO 7637-2 compliance, tight parameter tolerances, and automated assembly readiness.
FAQ
What does the 'C' suffix in SMBJ160C indicate?
The 'C' suffix in SMBJ160C denotes bidirectional configuration - meaning the device provides symmetrical clamping for both positive and negative voltage transients. Unlike unidirectional variants (e.g., SMBJ160A), SMBJ160C has no cathode marking and functions identically across both terminals, making it ideal for AC-coupled or floating signal lines where polarity is undefined.
Does SMBJ160C meet automotive surge immunity standards?
Yes, SMBJ160C is explicitly validated to meet ISO 7637-2 test pulses including Pulse 1 (inductive load dump), Pulse 2a/2b (supply interruption and switching transients), and Pulse 3a/3b (electrical fast transients). Its 600 W peak power rating and 287 V clamping voltage ensure compliance when used with appropriate series impedance in 12 V and 24 V vehicle electrical systems.
What is the maximum junction temperature and thermal resistance of SMBJ160C?
SMBJ160C has a maximum junction temperature (TJ) of +150°C and thermal resistances of RθJC = 10°C/W (junction-to-case) and RθJA = 55°C/W (junction-to-ambient). These values enable reliable operation in under-hood automotive locations and sealed industrial enclosures when mounted on 1-in² 2-oz copper with two thermal vias.
How does SMBJ160C differ from SMBJ160A?
SMBJ160C is bidirectional with symmetrical clamping, while SMBJ160A is unidirectional and requires correct anode/cathode orientation. SMBJ160C has identical VWM (160 V), VBR (178–218 V), and VC@IPP (287 V) but omits the cathode band marking. Its leakage current ID@VWM remains ≤1 µA in both directions, unlike SMBJ160A which only specifies leakage in reverse bias.
Is SMBJ160C halogen-free and RoHS compliant?
Yes, SMBJ160C is certified halogen-free per IEC 61249-2-21 and fully RoHS compliant. The molding compound is UL 94V-0 rated, and the matte tin-plated leads meet J-STD-002 solderability requirements - confirming suitability for lead-free reflow processes and environmentally regulated markets including EU and China RoHS.
SMBJ160C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- SMBJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 160V
- Voltage - Breakdown (Min):
- 178V
- Voltage - Clamping (Max) @ Ipp:
- 287V
- Current - Peak Pulse (10/1000µs):
- 2.2A
- 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)
SMBJ160C FAQ
1.How can I place an order for SMBJ160C through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ160C 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 SMBJ160C reliable?
The price and inventory of SMBJ160C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ160C is usually 5 days.
3.What payment methods are accepted for SMBJ160C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ160C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ160C?
SMBJ160C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ160C 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 SMBJ160C?
For technical support, including SMBJ160C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ160C requirements.
6.How does Aetrix verify that SMBJ160C is sourced from the original manufacturer or authorized distributors?
All SMBJ160C 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 SMBJ160C meets industry standards.
7.What is the process for return or replacement of SMBJ160C?
All SMBJ160C units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ160C, 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 SMBJ160C part is unused and in its original packaging.
Return procedure for SMBJ160C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ160C Tags
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