Part Details for SMAJ18A by Taiwan Semiconductor
Results Overview of SMAJ18A by Taiwan Semiconductor
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Automotive
SMAJ18A Information
SMAJ18A by Taiwan Semiconductor is a Transient Suppressor.
Transient Suppressors are under the broader part category of Diodes.
A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.
Price & Stock for SMAJ18A
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
83AH2901
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Newark | Tvs Diode, 400W, 18V, Unidir, Do-214Ac Rohs Compliant: Yes |Taiwan Semiconductor SMAJ18A RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Cut Tape | 7565 |
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$0.1280 / $0.4900 | Buy Now |
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DISTI #
1801-SMAJ18ATR-ND
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DigiKey | TVS DIODE 18VWM 29.2VC DO214AC Min Qty: 7500 Lead time: 16 Weeks Container: Tape & Reel (TR) | Temporarily Out of Stock |
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Buy Now | |
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DISTI #
SMAJ18A
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Avnet Americas | Diode TVS Single Uni-Directional 18V 400W 2-Pin DO-214AC T/R - Tape and Reel (Alt: SMAJ18A) RoHS: Not Compliant Min Qty: 7500 Package Multiple: 7500 Lead time: 12 Weeks, 0 Days Container: Reel | 0 |
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$0.0541 / $0.0552 | Buy Now |
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DISTI #
821-SMAJ18AM2G
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Mouser Electronics | ESD Protection Diodes / TVS Diodes 400W, 21.1V, 5%, Unidirectional, TVS RoHS: Compliant | 0 |
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$0.0550 / $0.4700 | Order Now |
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Future Electronics | RoHS: Compliant pbFree: Yes Min Qty: 7500 Package Multiple: 7500 Lead time: 12 Weeks | 0 |
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$0.0364 / $0.0387 | Buy Now |
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DISTI #
SMAJ18A-TSC
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TME | Diode: TVS, 0.4kW, 20V, 13.7A, unidirectional, ±5%, SMA, reel,tape Min Qty: 1 | 0 |
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$0.0720 / $0.5130 | RFQ |
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DISTI #
SMAJ18A
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EBV Elektronik | Diode TVS Single UniDirectional 18V 400W 2Pin DO214AC TR (Alt: SMAJ18A) RoHS: Compliant Min Qty: 7500 Package Multiple: 7500 Lead time: 14 Weeks, 0 Days | EBV - 0 |
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Buy Now |
Part Details for SMAJ18A
SMAJ18A CAD Models
SMAJ18A Part Data Attributes
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SMAJ18A
Taiwan Semiconductor
Buy Now
Datasheet
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Compare Parts:
SMAJ18A
Taiwan Semiconductor
Trans Voltage Suppressor Diode, 400W, 18V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, GREEN, PLASTIC, SMA, 2 PIN
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TAIWAN SEMICONDUCTOR CO LTD | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.50 | |
| Factory Lead Time | 12 Weeks | |
| Samacsys Manufacturer | Taiwan Semiconductor | |
| Additional Feature | EXCELLENT CLAMPING CAPABILITY | |
| Breakdown Voltage-Max | 22.1 V | |
| Breakdown Voltage-Min | 20 V | |
| Breakdown Voltage-Nom | 21.05 V | |
| Clamping Voltage-Max | 29.2 V | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | |
| JEDEC-95 Code | DO-214AC | |
| JESD-30 Code | R-PDSO-C2 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Non-rep Peak Rev Power Dis-Max | 400 W | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity | UNIDIRECTIONAL | |
| Power Dissipation-Max | 1 W | |
| Qualification Status | Not Qualified | |
| Reference Standard | UL RECOGNIZED | |
| Rep Pk Reverse Voltage-Max | 18 V | |
| Surface Mount | YES | |
| Technology | AVALANCHE | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | C BEND | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 |
Alternate Parts for SMAJ18A
This table gives cross-reference parts and alternative options found for SMAJ18A. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SMAJ18A, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SMAJ18A-7 | Diodes Incorporated | Check for Price | Trans Voltage Suppressor Diode, 400W, 18V V(RWM), Unidirectional, 1 Element, Silicon, PLASTIC, SMA, 2 PIN | SMAJ18A vs SMAJ18A-7 |
| SMAJ18 | Telefunken Microelectronics Gmbh | Check for Price | Transient Suppressor, | SMAJ18A vs SMAJ18 |
| SMAJ18AHE3/61 | Vishay Semiconductors | Check for Price | DIODE 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC, ROHS COMPLIANT, PLASTIC, SMA, 2 PIN, Transient Suppressor | SMAJ18A vs SMAJ18AHE3/61 |
| SMAJ18A | LRC Leshan Radio Co Ltd | Check for Price | Trans Voltage Suppressor Diode, 18V V(RWM), Unidirectional, | SMAJ18A vs SMAJ18A |
| SMAJ18A-E3/5A | Vishay Intertechnologies | Check for Price | Trans Voltage Suppressor Diode, 400W, 18V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, SMA, 2 PIN | SMAJ18A vs SMAJ18A-E3/5A |
| SMAJ18A | Galaxy Semi-Conductor Co Ltd | Check for Price | Trans Voltage Suppressor Diode, 18V V(RWM), Unidirectional, | SMAJ18A vs SMAJ18A |
| SMAJ18AHM3/I | Vishay Intertechnologies | Check for Price | Trans Voltage Suppressor Diode, | SMAJ18A vs SMAJ18AHM3/I |
| SMAJ18A | MDE Semiconductor Inc | Check for Price | Trans Voltage Suppressor Diode, 400W, 18V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, SMA, 2 PIN | SMAJ18A vs SMAJ18A |
SMAJ18A Frequently Asked Questions (FAQ)
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The recommended footprint for SMAJ18A is a standard SOD128 package with a pad size of 0.8mm x 0.8mm and a spacing of 0.5mm between pads.
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Yes, SMAJ18A is rated for operation up to 150°C, making it suitable for high-temperature applications. However, the device's performance may degrade at extreme temperatures, so it's essential to consult the datasheet and perform thorough testing.
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To ensure the reliability of SMAJ18A in humid environments, it's recommended to follow proper storage and handling procedures, such as storing the devices in a dry, clean environment and avoiding exposure to moisture during assembly and testing.
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Yes, SMAJ18A can be used in parallel to increase the current rating, but it's essential to ensure that the devices are properly matched and that the total current rating is not exceeded. Additionally, the devices should be connected in parallel with a common anode and cathode to avoid voltage imbalances.
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The recommended soldering profile for SMAJ18A is a peak temperature of 260°C for 10 seconds, with a ramp-up rate of 3°C/second and a ramp-down rate of 6°C/second. It's essential to follow the recommended soldering profile to avoid damaging the device.