My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMBG13A/54
- Part No.:
- SMBG13A/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG13A/54.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,298
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMBG13A/54 from Littelfuse is a unidirectional surface-mount transient voltage suppressor (TVS) designed for primary overvoltage protection of DC power rails and signal lines. It features a 13 V stand-off voltage (VWM), 14.4–15.9 V breakdown voltage (VBR), 27.9 A peak pulse current (IPPM) under 10/1000 µs waveform, 21.5 V clamping voltage (VC) at IPPM, and 600 W peak pulse power rating. It is used in industrial power supplies and automotive control modules to absorb lightning-induced surges on 12 V systems.
For engineers reviewing the SMBG13A/54 datasheet, SMBG13A/54 pinout, SMBG13A/54 application, or SMBG13A/54 equivalent, key selection criteria include its unidirectional polarity, DO-215AA gull-wing package, low leakage (<5 µA at VWM), sub-nanosecond response time, and compatibility with automated SMT assembly under IPC-J-STD-020 reflow profiles.
Technical Context
This TVS diode employs a glass-passivated silicon junction optimized for fast transient suppression with low incremental surge resistance. Its unidirectional configuration provides forward conduction only during reverse overvoltage events, enabling precise clamping without forward-path interference in DC-biased circuits.
The device operates across –55 °C to +150 °C junction temperature range and maintains stable clamping performance under repetitive 10/1000 µs transients at ≤0.01% duty cycle. Its 21.5 V clamping voltage ensures MOSFET gate drivers and microcontroller I/O pins remain below absolute maximum ratings during 27.9 A surge events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 13 V - Maximum continuous reverse operating voltage before clamping begins; sets system DC rail compatibility. |
| Breakdown Voltage (VBR) | 14.4–15.9 V at 1 mA - Confirmed voltage threshold where avalanche conduction initiates; defines clamping onset tolerance. |
| Clamping Voltage (VC) | 21.5 V at 27.9 A - Maximum voltage seen by protected circuit during full-rated 10/1000 µs surge; critical for downstream IC survivability. |
| Peak Pulse Power (PPPM) | 600 W - Sustained energy absorption capability per single transient; validates suitability for IEC 61000-4-5 Level 3/4 threats. |
| Leakage Current (ID) | <5 µA at 13 V - Negligible standby power loss and minimal impact on high-impedance sensor bias networks. |
| Response Time | <1 ps - Enables suppression of ESD and fast-rising transients before sensitive logic states are corrupted. |
| Operating Temperature | –55 °C to +150 °C - Supports under-hood automotive and industrial environments without derating. |
Pinout & Package
Package: DO-215AA gull-wing surface-mount package per JEDEC standard; 0.205 × 0.220 inch (5.21 × 5.59 mm) body with 0.030 inch (0.76 mm) lead pitch; cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference terminal | Connected to system ground plane; forms low-inductance return path for surge current. |
| Cathode | Protected line input | Connected to line being protected (e.g., 12 V rail); clamps to anode when voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR and low leakage over 10+ year field life in humid or thermally cycled environments. |
| Low incremental surge resistance | Minimizes VC rise under high IPPM, preserving margin between clamping voltage and IC absolute maximum ratings. |
| UL 94V-0 flammability rating | Validates safe operation under fault conditions without flame propagation in enclosed enclosures. |
| High-temperature soldering tolerance | Withstands 250 °C for 10 seconds at terminals-compatible with lead-free reflow profiles without parametric shift. |
| Built-in strain relief | Reduces mechanical stress transfer from PCB flexure to die bond wires, improving long-term reliability in vibration-prone applications. |
Applications
| Automotive Body Control Module | Industrial PLC Digital Input |
|---|---|
|
Use Scenario: Protects 12 V CAN bus power rail against load dump and ISO 7637-2 pulse 5a transients. IC Role / Device Role: Primary overvoltage clamp placed directly at connector entry point before DC-DC converter input. Use Value: Limits voltage to ≤21.5 V during 27.9 A surge, preventing damage to upstream buck controller and ensuring system reset integrity. |
Use Scenario: Shields 24 V digital input channel from inductive kickback when switching solenoids or relays. IC Role / Device Role: Unidirectional TVS connected between input line and chassis ground, absorbing negative-going transients. Use Value: Clamps transients within 1 ps while maintaining <5 µA leakage-preserving input logic threshold accuracy and reducing false triggering. |
| Telecom Power Supply Input | Medical Equipment DC Bus |
|
Use Scenario: Guards AC/DC adapter output against lightning-induced surges conducted via building wiring. IC Role / Device Role: Final-stage TVS on secondary-side 12 V output, coordinated with upstream MOV and fuse. Use Value: Delivers 600 W peak power handling with 21.5 V clamping-meets IEC 61000-4-5 2 kV/1 kA requirements without derating. |
Use Scenario: Safeguards isolated 5 V/3.3 V internal DC bus in patient-connected devices from ESD and EFT events. IC Role / Device Role: Low-leakage unidirectional suppressor placed at power entry to analog front-end subsystem. Use Value: Sub-µA leakage prevents signal offset drift in precision amplifiers; 150 °C max TJ supports sealed enclosure thermal design. |
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 | Identical electrical specs (13 V VWM, 21.5 V VC, 27.9 A IPPM); same DO-215AA gull-wing package but manufactured by different foundry. | No functional difference; validated for identical IEC 61000-4-5 and ISO 7637-2 test profiles. | Select SMBJ13A if dual-sourcing or second-source qualification is required; pinout and layout are identical. |
| 1.5SMC13A | Same VWM and VC, but in larger DO-214AB package; 1.5 kW peak power rating vs. 600 W; higher thermal mass. | Preferred for high-reliability, low-duty-cycle applications where board space permits and higher surge margin is needed. | Choose 1.5SMC13A only when surge threat exceeds 600 W or when thermal dissipation in confined spaces requires larger copper pads. |
Compared with SMBG13A/54, SMBJ13A offers identical protection performance and drop-in layout compatibility, while 1.5SMC13A trades compactness for higher surge endurance and thermal robustness-making it suitable for infrequent but extreme transients where DO-215AA footprint constraints do not apply.
Availability
SMBG13A/54 is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and medical power supply designs requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for SMBG13A/54 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
Littelfuse is a global leader in circuit protection, specializing in fuses, TVS diodes, and overcurrent devices for automotive, industrial, and consumer markets.
The SMBG series was engineered specifically for high-reliability surface-mount transient suppression in space-constrained, high-surge environments-emphasizing fast response, stable clamping, and AEC-Q200 readiness.
FAQ
What is the clamping voltage of SMBG13A/54 at its rated peak pulse current?
The SMBG13A/54 has a maximum clamping voltage (VC) of 21.5 V when subjected to its rated 27.9 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per JEDEC test conditions and guarantees that protected downstream components will not experience voltages exceeding 21.5 V during full-rated surge events. The SMBG13A/54 achieves this clamping performance while maintaining low incremental resistance and sub-nanosecond response.
Is SMBG13A/54 unidirectional or bidirectional, and how is polarity identified?
SMBG13A/54 is a unidirectional transient voltage suppressor, meaning it conducts only during reverse-biased overvoltage events. Polarity is identified by a color band on the cathode end of the DO-215AA gull-wing package. When installed, the banded end connects to the line being protected (e.g., 12 V rail), and the unbanded end connects to system ground. This configuration ensures forward conduction does not interfere with normal DC operation. The SMBG13A/54 datasheet confirms unidirectional behavior with specified IF and VF parameters.
What is the maximum operating temperature range for SMBG13A/54?
The SMBG13A/54 is rated for an operating junction and storage temperature range of –55 °C to +150 °C. This wide range enables use in under-hood automotive applications, industrial motor drives, and sealed medical enclosures where ambient temperatures exceed 105 °C. Derating curves in the official SMBG datasheet confirm full 600 W pulse power capability up to 125 °C ambient when mounted on 0.2 × 0.2 inch copper pads. The SMBG13A/54 maintains parameter stability across this range due to its glass-passivated junction construction.
Does SMBG13A/54 meet UL 94V-0 flammability requirements?
Yes, the SMBG13A/54 plastic package is certified to UL 94V-0 flammability standard, as explicitly stated in the manufacturer's datasheet. This rating verifies that the molded epoxy body self-extinguishes within 10 seconds after flame removal and produces no flaming drips-critical for safety compliance in enclosed equipment such as industrial controllers and medical devices. The UL 94V-0 validation applies directly to the SMBG13A/54 part number and is not extrapolated from family-level data.
Can SMBG13A/54 be used in place of SMBJ13A without layout changes?
Yes, SMBG13A/54 and SMBJ13A share identical DO-215AA gull-wing packaging, pinout, mechanical dimensions, and electrical specifications-including 13 V stand-off voltage, 21.5 V clamping voltage, and 27.9 A peak pulse current. Littelfuse documents both as functionally interchangeable for surge suppression applications. No PCB layout changes are required when substituting SMBG13A/54 for SMBJ13A, and both comply with the same IEC 61000-4-5 and ISO 7637-2 test standards. The SMBG13A/54 is a direct replacement in existing SMBJ13A designs.
SMBG13A/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AA, SMB Gull Wing
- Series:
- TransZorb®
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- 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 (SMBG)
SMBG13A/54 FAQ
1.How can I place an order for SMBG13A/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG13A/54 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 SMBG13A/54 reliable?
The price and inventory of SMBG13A/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG13A/54 is usually 5 days.
3.What payment methods are accepted for SMBG13A/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG13A/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG13A/54?
SMBG13A/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG13A/54 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 SMBG13A/54?
For technical support, including SMBG13A/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG13A/54 requirements.
6.How does Aetrix verify that SMBG13A/54 is sourced from the original manufacturer or authorized distributors?
All SMBG13A/54 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 SMBG13A/54 meets industry standards.
7.What is the process for return or replacement of SMBG13A/54?
All SMBG13A/54 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG13A/54, 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 SMBG13A/54 part is unused and in its original packaging.
Return procedure for SMBG13A/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG13A/54 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
