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Diodes / Transient Suppressors / SMA4F8.5AY
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SMA4F8.5AY by: STMicroelectronics

Trans Voltage Suppressor Diode, 400W, 8.5V V(RWM), Unidirectional, 1 Element, Silicon, DO-221AC

Part Details for SMA4F8.5AY by STMicroelectronics

Results Overview of SMA4F8.5AY by STMicroelectronics

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SMA4F8.5AY Information

SMA4F8.5AY by STMicroelectronics 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 SMA4F8.5AY

Part # Distributor Description Stock Price Buy
DISTI # 497-18436-1-ND
DigiKey TVS DIODE 8.5VWM 14.4VC SMAFLAT Min Qty: 1 Lead time: 45 Weeks Container: Cut Tape (CT), Tape & Reel (TR) 693
In Stock
  • 1 $0.6600
  • 10 $0.4100
  • 100 $0.2626
  • 500 $0.1991
  • 10,000 $0.1311
  • 20,000 $0.1214
  • 30,000 $0.1164
  • 50,000 $0.1128
$0.1128 / $0.6600 Buy Now
DISTI # V72:2272_23061458
Arrow Electronics Diode TVS Single Uni-Dir 8.5V 400W Automotive AEC-Q101 2-Pin SMA flat T/R COO: Morocco RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 99 Weeks Date Code: 1912 Container: Cut Strips Americas - 5678
  • 1 $0.1096
  • 10 $0.1080
  • 25 $0.1063
  • 50 $0.1047
  • 100 $0.1030
  • 250 $0.1014
  • 500 $0.0998
  • 1,000 $0.0981
  • 3,000 $0.0965
$0.0965 / $0.1096 Buy Now
STMicroelectronics Automotive 400 W, 8.5 V TVS in SMA Flat COO: Morocco RoHS: Compliant Min Qty: 1 9593
  • 1 $0.3300
  • 10 $0.2200
  • 100 $0.1600
  • 500 $0.1300
$0.1300 / $0.3300 Buy Now
DISTI # 32634404
Verical Diode TVS Single Uni-Dir 8.5V 400W Automotive AEC-Q101 2-Pin SMA flat T/R RoHS: Exempt Min Qty: 61 Package Multiple: 1 Date Code: 1912 Americas - 5678
  • 61 $0.1047
  • 100 $0.1030
  • 250 $0.1014
  • 500 $0.0998
  • 1,000 $0.0981
  • 3,000 $0.0965
$0.0965 / $0.1047 Buy Now
DISTI # V72:2272_23061458
Arrow Electronics Diode TVS Single Uni-Dir 8.5V 400W Automotive AEC-Q101 2-Pin SMA flat T/R COO: Morocco RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 99 Weeks Date Code: 1912 Container: Cut Strips Americas - 5678
  • 1 $0.1096
  • 10 $0.1080
  • 25 $0.1063
  • 50 $0.1047
  • 100 $0.1030
  • 250 $0.1014
  • 500 $0.0998
  • 1,000 $0.0981
  • 3,000 $0.0965
$0.0965 / $0.1096 Buy Now
DISTI # 32634404
Verical Diode TVS Single Uni-Dir 8.5V 400W Automotive AEC-Q101 2-Pin SMA flat T/R COO: Morocco RoHS: Exempt Min Qty: 61 Package Multiple: 1 Date Code: 1912 Americas - 5678
  • 61 $0.1047
  • 100 $0.1030
  • 250 $0.1014
  • 500 $0.0998
  • 1,000 $0.0981
  • 3,000 $0.0965
$0.0965 / $0.1047 Buy Now
DISTI # V72:2272_23061458
Arrow Electronics Diode TVS Single Uni-Dir 8.5V 400W Automotive AEC-Q101 2-Pin SMA flat T/R COO: Morocco RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 99 Weeks Date Code: 1912 Container: Cut Strips Americas - 5678
  • 1 $0.1096
  • 10 $0.1080
  • 25 $0.1063
  • 50 $0.1047
  • 100 $0.1030
  • 250 $0.1014
  • 500 $0.0998
  • 1,000 $0.0981
  • 3,000 $0.0965
$0.0965 / $0.1096 Buy Now
DISTI # 32634404
Verical Diode TVS Single Uni-Dir 8.5V 400W Automotive AEC-Q101 2-Pin SMA flat T/R COO: Morocco RoHS: Exempt Min Qty: 61 Package Multiple: 1 Date Code: 1912 Americas - 5678
  • 61 $0.1047
  • 100 $0.1030
  • 250 $0.1014
  • 500 $0.0998
  • 1,000 $0.0981
  • 3,000 $0.0965
$0.0965 / $0.1047 Buy Now

US Tariff Estimator: SMA4F8.5AY by STMicroelectronics

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

SMA4F8.5AY
STMicroelectronics
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Estimator Results:
Tariff Percentage Tariff Calculation
Import Value
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Total Duty
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Total Estimate
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Based on tariff data from

Part Details for SMA4F8.5AY

SMA4F8.5AY CAD Models

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  • Footprint

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  • 3D Model

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SMA4F8.5AY Part Data Attributes

Parametric Data
SMA4F8.5AY STMicroelectronics
Buy Now Datasheet
Compare Parts:
SMA4F8.5AY STMicroelectronics Trans Voltage Suppressor Diode, 400W, 8.5V V(RWM), Unidirectional, 1 Element, Silicon, DO-221AC
Rohs Code Yes
Part Life Cycle Code Obsolete
Package Description Sma, 2 Pin
Reach Compliance Code Compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Factory Lead Time 111 Weeks
Additional Feature Iso 7637-2, Iso 10605
Breakdown Voltage-Max 10.4 V
Breakdown Voltage-Min 9.4 V
Breakdown Voltage-Nom 9.9 V
Clamping Voltage-Max 14.4 V
Configuration Single
Diode Element Material Silicon
Diode Type Trans Voltage Suppressor Diode
JEDEC-95 Code DO-221AC
JESD-30 Code R-PDSO-F2
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 175 °C
Operating Temperature-Min -55 °C
Package Body Material Plastic/Epoxy
Package Shape Rectangular
Package Style Small Outline
Peak Reflow Temperature (Cel) 245
Polarity Unidirectional
Reference Standard Aec-Q101; Iec-61000-4-2, 4-4; Mil-Std-750
Rep Pk Reverse Voltage-Max 8.5 V
Reverse Current-Max 20 µA
Reverse Test Voltage 8.5 V
Surface Mount Yes
Technology Avalanche
Terminal Finish Matte Tin
Terminal Form Flat
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) 60
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