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Diodes / Transient Suppressors / SMAJ12A
Datasheets
SMAJ12A by:

Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, HALOGEN FREE AND ROHS COMPLIANT, SURFACE MOUNT PACKAGE-2

Part Details for SMAJ12A by Littelfuse Inc

Results Overview of SMAJ12A by Littelfuse Inc

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.

SMAJ12A Information

SMAJ12A by Littelfuse Inc 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 SMAJ12A

Part # Distributor Description Stock Price Buy
DISTI # 71J1937
Newark Tvs Diode, 400W, 12V, Do-214Ac, Product Range:Smaj Series, Tvs Polarity:Unidirectional, Reverse Standoff Voltage:12V, Clamping Voltage Max:19.9V, Diode Case Style:Do-214Ac (Sma), No. Of Pins:2Pins, Minimum Breakdown Voltage:13.3V Rohs Compliant: Yes |Littelfuse SMAJ12A RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 1724
  • 1 $0.1490
  • 25 $0.1490
  • 100 $0.1260
  • 250 $0.1260
  • 500 $0.1170
$0.1170 / $0.1490 Buy Now
DISTI # 06R1843
Newark Tvs Diode, 400W, 12V, Do-214Ac, Full Reel, Product Range:Smaj Series, Tvs Polarity:Unidirectional, Reverse Standoff Voltage:12V, Clamping Voltage Max:19.9V, Diode Case Style:Do-214Ac (Sma), No. Of Pins:2Pins, Qualification:- Rohs Compliant: Yes |Littelfuse SMAJ12A RoHS: Compliant Min Qty: 5000 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 5,000 $0.1080
  • 10,000 $0.1010
  • 20,000 $0.0960
  • 30,000 $0.0930
  • 50,000 $0.0920
$0.0920 / $0.1080 Buy Now
DISTI # 70519471
RS Diode TVS Uni-Dir 12V 400W DO214AC | Littelfuse SMAJ12A RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk 271
  • 1 $0.2840
  • 5 $0.2610
  • 10 $0.2410
  • 100 $0.2220
  • 250 $0.1990
$0.1990 / $0.2840 Buy Now
Bristol Electronics   35000
RFQ
Bristol Electronics   4917
RFQ
Bristol Electronics   Min Qty: 12 4060
  • 12 $0.4500
  • 35 $0.2250
  • 224 $0.1350
  • 1,113 $0.0900
  • 3,890 $0.0675
$0.0675 / $0.4500 Buy Now
Bristol Electronics   3954
RFQ
DISTI # SMAJ12A-LF
TME Diode: TVS, 400W, 14V, 20.1A, unidirectional, ±5%, DO214AC, SMAJ Min Qty: 1 3096
  • 1 $0.2631
  • 10 $0.1783
  • 100 $0.1196
  • 500 $0.0922
  • 1,000 $0.0830
  • 2,000 $0.0752
  • 5,000 $0.0680
  • 10,000 $0.0590
$0.0590 / $0.2631 Buy Now
ComSIT USA Transient Suppression Diode Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC RoHS: Compliant Stock DE - 12500
Stock ES - 1800
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
DISTI # SMC-SMAJ12A
Sensible Micro Corporation AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days 11617
RFQ
DISTI # C1S425200089857
Chip One Stop Diode TVS Single Uni-Dir 12V 400W 2-Pin SMA T/R RoHS: Compliant pbFree: No Container: Cut Tape 2892
  • 5 $0.1020
  • 50 $0.0903
  • 100 $0.0829
$0.0829 / $0.1020 Buy Now
LCSC 20.1A 400W 19.9V 13.3V Unidirectional 12V SMA(DO-214AC) ESD and Surge Protection (TVS/ESD) ROHS 10195
  • 5 $0.0885
  • 50 $0.0693
  • 150 $0.0597
  • 500 $0.0525
  • 2,500 $0.0467
  • 5,000 $0.0438
$0.0438 / $0.0885 Buy Now
New Advantage Corporation SMAJ Series 19.9 V 0.4 kW Surface Mount Uni-Directional TVS Diode - DO-214AC RoHS: Compliant Min Qty: 1 Package Multiple: 5000 35000
  • 5,000 $0.0720
  • 35,000 $0.0672
$0.0672 / $0.0720 Buy Now
Win Source Electronics TVS DIODE 12VWM 19.9VC SMA 106000
  • 810 $0.0620
  • 1,725 $0.0580
  • 2,680 $0.0560
  • 3,850 $0.0520
  • 5,000 $0.0500
  • 6,250 $0.0480
$0.0480 / $0.0620 Buy Now

Part Details for SMAJ12A

SMAJ12A CAD Models

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SMAJ12A Part Data Attributes

Parametric Data
SMAJ12A Littelfuse Inc
Buy Now Datasheet
Compare Parts:
SMAJ12A Littelfuse Inc Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, HALOGEN FREE AND ROHS COMPLIANT, SURFACE MOUNT PACKAGE-2
Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer LITTELFUSE INC
Part Package Code DO-214AC
Pin Count 2
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Samacsys Manufacturer LITTELFUSE
Additional Feature EXCELLENT CLAMPING CAPABILITY, LOW INDUCTANCE
Breakdown Voltage-Max 14.7 V
Breakdown Voltage-Min 13.3 V
Breakdown Voltage-Nom 14 V
Clamping Voltage-Max 19.9 V
Configuration SINGLE
Diode Element Material SILICON
Diode Type TRANS VOLTAGE SUPPRESSOR DIODE
Forward Voltage-Max (VF) 3.5 V
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 -65 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity UNIDIRECTIONAL
Power Dissipation-Max 3.3 W
Qualification Status Not Qualified
Rep Pk Reverse Voltage-Max 12 V
Reverse Current-Max 1 µA
Surface Mount YES
Technology AVALANCHE
Terminal Finish Matte Tin (Sn)
Terminal Form C BEND
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 40

Alternate Parts for SMAJ12A

This table gives cross-reference parts and alternative options found for SMAJ12A. 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 SMAJ12A, 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
SMAJ12A Telefunken Microelectronics Gmbh Check for Price Transient Suppressor, SMAJ12A vs SMAJ12A
SMAJ12 Littelfuse Inc Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, HALOGEN FREE AND ROHS COMPLIANT, PLASTIC, SMA, 2 PIN SMAJ12A vs SMAJ12
SMAJ12A-M3/5A Vishay Semiconductors Check for Price DIODE UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC, HALOGEN FREE AND ROHS COMPLIANT, SMA, PLASTIC PACKAGE-2, Transient Suppressor SMAJ12A vs SMAJ12A-M3/5A
SMAJ12A Sensitron Semiconductors Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, PLASTIC, SMA, 2 PIN SMAJ12A vs SMAJ12A
SMAJ12A LRC Leshan Radio Co Ltd Check for Price Trans Voltage Suppressor Diode, 12V V(RWM), Unidirectional, SMAJ12A vs SMAJ12A
SMAJ12A-E3/61 Vishay Semiconductors Check for Price DIODE 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC, ROHS COMPLIANT, PLASTIC, SMA, 2 PIN, Transient Suppressor SMAJ12A vs SMAJ12A-E3/61
SMAJ12A-13-F Diodes Incorporated $0.1350 Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, GREEN, PLASTIC, SMA, 2 PIN SMAJ12A vs SMAJ12A-13-F
Part Number Manufacturer Composite Price Description Compare
SMAJ12A MDE Semiconductor Inc Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, SMA, 2 PIN SMAJ12A vs SMAJ12A
SMAJ12A STMicroelectronics Check for Price 400W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC SMAJ12A vs SMAJ12A
SMAJ12 Vishay Intertechnologies Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, DO-214AC, SMA, 2 PIN SMAJ12A vs SMAJ12
SMAJ12AE3/TR13 Microchip Technology Inc $0.1945 Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC SMAJ12A vs SMAJ12AE3/TR13
SMAJ12AHM3/I Vishay Intertechnologies Check for Price Trans Voltage Suppressor Diode, SMAJ12A vs SMAJ12AHM3/I
SMAJ12A-M3/5A Vishay Intertechnologies Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, SMA, 2 PIN SMAJ12A vs SMAJ12A-M3/5A
SMAJ12A BrightKing Inc Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, SMA, 2 PIN SMAJ12A vs SMAJ12A
SMAJ12A Bourns Inc $0.1176 Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, ROHS COMPLIANT, PLASTIC PACKAGE-2 SMAJ12A vs SMAJ12A
SMAJ12A General Instrument Corp Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, SMAJ12A vs SMAJ12A
SMAJ12A Vishay Semiconductors Check for Price Trans Voltage Suppressor Diode, 400W, 12V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, PLASTIC, SMA, 2 PIN SMAJ12A vs SMAJ12A

SMAJ12A Related Parts

SMAJ12A Frequently Asked Questions (FAQ)

  • The recommended footprint and land pattern for SMAJ12A can be found in the Littelfuse application note AN9313, which provides guidelines for surface mount assembly of TVS diodes.

  • To select the correct TVS diode, consider the following factors: voltage rating, peak pulse current, clamping voltage, and response time. The SMAJ12A has a voltage rating of 12V, a peak pulse current of 3000A, and a clamping voltage of 24.4V.

  • TVS diodes, like SMAJ12A, are designed to protect against high-energy surges and transients, while Zener diodes are used for voltage regulation and have a lower power rating. TVS diodes have a faster response time and can handle higher peak currents than Zener diodes.

  • Yes, SMAJ12A can be used for ESD protection. It has a response time of <1ns and can handle ESD pulses up to 30kV. However, it's essential to consider the specific ESD protection requirements of your application and ensure the TVS diode meets those requirements.

  • To ensure the reliability of SMAJ12A, follow proper PCB design and assembly guidelines, including using a recommended footprint and land pattern, and ensuring adequate thermal management. Additionally, consider the operating conditions, such as temperature and humidity, and ensure the TVS diode is operated within its specified ratings.

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