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Bourns SMBJ85A Transient Voltage Suppressor Diode

Bourns Transient Voltage Suppressor Diodes (SMB Series) are specifically engineered to provide robust surge and electrostatic discharge (ESD) protection in a compact SMB/DO-214AA package. These diodes are ideal for applications in portable communications, computing, and video equipment where space is limited. They offer a choice of working peak reverse voltage from 5V up to 495V and breakdown voltage up to 550V, ensuring reliable protection against voltage transients. The devices conform to JEDEC standards and are designed for easy handling with standard pick-and-place equipment, minimizing roll-away issues due to their flat configuration. The SMBJ85A, in particular, provides a working peak reverse voltage of 85V and is suitable for a variety of electronic circuits requiring transient voltage suppression.

Authorized Distributors
Source:Newark
Part No:SMBJ8.5A
Stock:10822
Inv Date:05-28-2026
Price: Unit price: $0.377
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Source:Newark
Part No:SMBJ85A
Stock:1930
Inv Date:05-28-2026
Price: Unit price: $0.343
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Source:Newark
Part No:SMBJ85A
Stock:47
Inv Date:05-28-2026
Price: Unit price: $0.494
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Part No:SMBJ85A
Stock:4945
Inv Date:05-29-2026
Price: Unit price: $0.49
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Source:DigiKey
Part No:SMBJ85A
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.81
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Source:DigiKey
Part No:SMBJ85A
Stock:6000
Inv Date:05-28-2026
Price: Unit price: $0.28
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Source:DigiKey
Part No:SMBJ85A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.06791
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Source:DigiKey
Part No:SMBJ85A
Stock:300
Inv Date:05-28-2026
Price: Unit price: $0.39
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Part No:SMBJ85A
Stock:0
Inv Date:05-29-2026
Price: Unit price: $0.51
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Authorized Distributors
Part No:SMBJ85A
Stock:2641
Inv Date:05-29-2026
Price: Unit price: $0.78
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Part No:SMBJ85A
Stock:239
Inv Date:05-29-2026
Price: Unit price: $0.48
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Part No:SMBJ85A
Stock:7517
Inv Date:05-29-2026
Price: Unit price: $0.56
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Source:DigiKey
Part No:SMBJ85A
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.18047
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Part No:SMBJ85A
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:SMBJ85A
Stock:0
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Part No:SMBJ85A
Stock:0
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Part No:SMBJ85A
Stock:0
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Part No:SMBJ85A
Stock:0
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Authorized Distributors
Source:DigiKey
Part No:SMBJ85A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.11043
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Source:DigiKey
Part No:SMBJ8-5A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.0884
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Source:DigiKey
Part No:SMBJ8.5A
Stock:6000
Inv Date:05-28-2026
Price: Unit price: $0.12934
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Source:DigiKey
Part No:SMBJ8.5A
Stock:3420
Inv Date:05-28-2026
Price: Unit price: $0.5
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Source:DigiKey
Part No:SMBJ8.5A
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.77
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Source:DigiKey
Part No:SMBJ8.5A
Stock:6000
Inv Date:05-28-2026
Price: Unit price: $0.28
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Source:DigiKey
Part No:SMBJ85A
Stock:5520
Inv Date:05-28-2026
Price: Unit price: $0.09205
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Source:DigiKey
Part No:SMBJ8.5A
Stock:21000
Inv Date:05-28-2026
Price: Unit price: $0.10018
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Source:DigiKey
Part No:SMBJ85A
Stock:1619
Inv Date:05-28-2026
Price: Unit price: $0.12934
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Authorized Distributors
Part No:SMBJ8.5A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.18
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Part No:SMBJ85A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.16
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Part No:SMBJ85A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.31
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Part No:SMBJ8.5A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.38
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Part No:SMBJ8.5A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.16
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Part No:SMBJ8.5A
Stock:9000
Inv Date:05-28-2026
Price: Unit price: $0.1224
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Part No:SMBJ85A
Stock:18000
Inv Date:05-28-2026
Price: Unit price: $0.0821
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Part No:SMBJ85A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.0795
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Part No:SMBJ8.5A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.1047
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Authorized Distributors
Part No:SMBJ85A
Stock:18000
Inv Date:05-28-2026
Price: Unit price: $0.0821
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Part No:SMBJ85A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.0795
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Part No:SMBJ8.5A
Stock:9000
Inv Date:05-28-2026
Price: Unit price: $0.1224
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Part No:SMBJ8.5A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.1047
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Source:Arrow EU
Part No:SMBJ85A
Stock:3000
Inv Date:05-29-2026
Price: N/A
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Part No:SMBJ8.5A
Stock:6000
Inv Date:05-29-2026
Price: N/A
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Part No:SMBJ8.5A
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.0622
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Part No:SMBJ85A
Stock:209
Inv Date:05-29-2026
Price: N/A
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Source:Arrow EU
Part No:SMBJ8.5A
Stock:12000
Inv Date:05-29-2026
Price: N/A
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Authorized Distributors
Part No:SMBJ85A
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.063
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Bourns SMBJ85A Transient Voltage Suppressor Diode Specifications:

  • Minimum Peak Pulse Power Dissipation (TP = 1 ms): 600 Watts
  • Peak Forward Surge Current (8.3 ms Single Half Sine Wave): 100 Amps
  • Steady State Power Dissipation @ TL = 75 °C: 5.0 Watts
  • Maximum Instantaneous Forward Voltage @ IPP= 50 A: 3.5-5.0 Volts
  • Operating Temperature Range: -55 to +150 °C
  • Storage Temperature Range: -55 to +150 °C
  • Breakdown Voltage Min: 6.40 Volts
  • Breakdown Voltage Max: 7.00 Volts
  • Maximum Reverse Leakage @ VRWM: 800 μA
  • Maximum Clamping Voltage @ Ipp (10/1000µs): 9.2 Volts
  • Maximum Peak Pulse Current (10/1000 µs): 65.3 Amps

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Frequently Asked Questions

Where can I buy Bourns SMBJ85A?

You can click on the BUY or RFQ button to purchase SMBJ85A from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SMBJ85A?

You can download the SMBJ85A datasheet or visit the Bourns website for support.

Who is the manufacturer of SMBJ85A?

Bourns

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