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Diodes / Zener Diodes / 1SMB5921BT3G
Datasheets
1SMB5921BT3G by: onsemi

3.0 W Zener Diode Voltage Regulator 6.8 V, SMB, 2500-REEL

Part Details for 1SMB5921BT3G by onsemi

Results Overview of 1SMB5921BT3G by onsemi

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 Consumer Electronics Energy and Power Systems Renewable Energy

1SMB5921BT3G Information

1SMB5921BT3G by onsemi is a Zener Diode.
Zener Diodes 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 1SMB5921BT3G

Part # Distributor Description Stock Price Buy
DISTI # 96AC5329
Newark Zen Smb Reg 3W 6.8V Tr Rohs Compliant: Yes |Onsemi 1SMB5921BT3G RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Reel 7500
  • 1 $0.0670
$0.0670 Buy Now
DISTI # 88H5166
Newark Zener Diode, 3W, 6.8V, Smb, Zener Voltage Nom:6.8V, Power Dissipation:3W, Diode Case Style:Do-214Aa (Smb), No. Of Pins:2Pins, Operating Temperature Max:150°C, Diode Mounting:Surface Mount, Product Range:1Smb59Xxbt3G Series Rohs Compliant: Yes |Onsemi 1SMB5921BT3G RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 5013
  • 1 $0.1010
  • 10 $0.1010
  • 25 $0.1010
  • 50 $0.1010
  • 100 $0.0920
$0.0920 / $0.1010 Buy Now
DISTI # 29X6285
Newark Diode, Zener, 6.8V, 3W, Do-214Aa, Zener Voltage Nom:6.8V, Power Dissipation:3W, Diode Case Style:Do-214Aa (Smb), No. Of Pins:2Pins, Operating Temperature Max:150°C, Diode Mounting:Surface Mount, Product Range:1Smb59Xxbt3G Series Rohs Compliant: Yes |Onsemi 1SMB5921BT3G RoHS: Compliant Min Qty: 5000 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 3,000 $0.1100
  • 6,000 $0.0960
  • 12,000 $0.0850
  • 18,000 $0.0790
  • 30,000 $0.0720
$0.0720 / $0.1100 Buy Now
DISTI # 1SMB5921BT3G
Avnet Americas Diode Zener Single 6.8V 5% 550mW 2-Pin SMB T/R - Tape and Reel (Alt: 1SMB5921BT3G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 11 Weeks, 0 Days Container: Reel 7500
  • 2,500 $0.0668
  • 5,000 $0.0622
  • 10,000 $0.0611
  • 15,000 $0.0601
  • 20,000 $0.0590
$0.0590 / $0.0668 Buy Now
DISTI # 88H5166
Avnet Americas Diode Zener Single 6.8V 5% 550mW 2-Pin SMB T/R - Product that comes on tape, but is not reeled (Alt: 88H5166) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 51 Weeks, 1 Days Container: Ammo Pack 5013 Partner Stock
  • 1 $0.3540
  • 10 $0.2370
  • 25 $0.2110
  • 50 $0.1850
  • 100 $0.1590
$0.1590 / $0.3540 Buy Now
DISTI # 70100295
RS Diode, Zener, Vr 6.8V, If 200mA, Pkg SMB, Vf 1.5V, Tj +150degc, Pd 3W, Ir 55.1mA | ON Semiconductor 1SMB5921BT3G RoHS: Not Compliant Min Qty: 10 Package Multiple: 1 Container: Bulk 0
  • 10 $0.2170
  • 100 $0.2060
  • 500 $0.1950
  • 1,000 $0.1840
$0.1840 / $0.2170 RFQ
Bristol Electronics   451
RFQ
DISTI # 1SMB5921BT3G
TME Diode: Zener, 3W, 6.8V, 55.1mA, SMD, reel,tape, SMB, single diode Min Qty: 1 5590
  • 1 $0.3000
  • 10 $0.2030
  • 50 $0.1730
  • 100 $0.1370
  • 500 $0.1060
  • 1,000 $0.0960
  • 2,500 $0.0860
  • 5,000 $0.0850
$0.0850 / $0.3000 Buy Now
Ameya Holding Limited 1SMB5921B Series 550 mW 200 mA 6.8 V SMT Zener Voltage Regulator 9883
RFQ
NexGen Digital   40
RFQ
DISTI # SMC-1SMB5921BT3G
Sensible Micro Corporation Diode Zener 6.8V 3W Smb / Zener Diode Single 6.8V 5% 2.5Ohm 3000Mw Automotive 2-Pin Smb T/R RoHS: Compliant Min Qty: 25 Lead time: 0 Weeks, 1 Days Container: Tape & Reel 122
  • 100 $0.7117
  • 500 $0.6935
  • 1,000 $0.6570
$0.6570 / $0.7117 RFQ
DISTI # 1SMB5921BT3G
Avnet Asia Diode Zener Single 6.8V 5% 550mW 2-Pin SMB T/R (Alt: 1SMB5921BT3G) RoHS: Compliant Min Qty: 10000 Package Multiple: 2500 Lead time: 11 Weeks, 0 Days 0
  • 10,000 $0.0703
  • 20,000 $0.0693
  • 30,000 $0.0685
  • 50,000 $0.0676
  • 100,000 $0.0659
  • 250,000 $0.0643
  • 500,000 $0.0628
$0.0628 / $0.0703 Buy Now
DISTI # 1SMB5921BT3G
Avnet Silica Diode Zener Single 6.8V 5% 550mW 2-Pin SMB T/R (Alt: 1SMB5921BT3G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks, 0 Days Silica - 15000
Buy Now
DISTI # C1S541900485589
Chip1Stop Diode Zener Single 6.8V 5% 550mW Automotive 2-Pin SMB T/R RoHS: Compliant Container: Cut Tape 2500
  • 5 $0.3160
  • 50 $0.1860
  • 100 $0.1060
  • 200 $0.0969
  • 500 $0.0830
  • 1,000 $0.0787
  • 2,000 $0.0735
$0.0735 / $0.3160 Buy Now
CHIPMALL.COM LIMITED Independent Type 6.46V~7.14V 3W 6.8V SMBDO-214AA Zener Diodes ROHS 6942
  • 50 $0.1670
  • 100 $0.1114
  • 1,250 $0.1013
  • 2,500 $0.0937
$0.0937 / $0.1670 Buy Now
DISTI # 1SMB5921BT3G
EBV Elektronik Diode Zener Single 6.8V 5% 550mW 2-Pin SMB T/R (Alt: 1SMB5921BT3G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 13 Weeks, 0 Days EBV - 2500
Buy Now
Flip Electronics Stock, ship today 5000
RFQ
LCSC Independent Type 6.46V7.14V 3W 6.8V SMB(DO-214AA) Zener Diodes ROHS 1537
  • 5 $0.1590
  • 50 $0.1272
  • 150 $0.1135
  • 500 $0.0965
  • 2,500 $0.0889
  • 5,000 $0.0843
$0.0843 / $0.1590 Buy Now
New Advantage Corporation SMB 2/3 WATT SMB ZENER VOLTAGE REGULATORS 6.8 V RoHS: Compliant Min Qty: 1 Package Multiple: 2500 5000
  • 2,500 $0.1134
  • 5,000 $0.1050
$0.1050 / $0.1134 Buy Now
Win Source Electronics DIODE ZENER 6.8V 3W SMB / Zener Diode Single 6.8V 5% 2.5Ohm 3000mW Automotive 2-Pin SMB T/R 210000
  • 500 $0.1000
  • 1,220 $0.0821
  • 1,890 $0.0795
  • 2,600 $0.0770
  • 3,365 $0.0744
  • 4,500 $0.0667
$0.0667 / $0.1000 Buy Now

Part Details for 1SMB5921BT3G

1SMB5921BT3G CAD Models

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1SMB5921BT3G Part Data Attributes

Parametric Data
1SMB5921BT3G onsemi
Buy Now Datasheet
Compare Parts:
1SMB5921BT3G onsemi 3.0 W Zener Diode Voltage Regulator 6.8 V, SMB, 2500-REEL
Pbfree Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ONSEMI
Part Package Code SMB
Package Description LEAD FREE, PLASTIC, CASE 403A-03, SMB, 2 PIN
Pin Count 2
Manufacturer Package Code 403A-03
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Factory Lead Time 51 Weeks, 1 Day
Samacsys Manufacturer onsemi
Configuration SINGLE
Diode Element Material SILICON
Diode Type ZENER DIODE
Dynamic Impedance-Max 2.5 Ω
JEDEC-95 Code DO-214AA
JESD-30 Code R-PDSO-L2
JESD-609 Code e3
Moisture Sensitivity Level 1
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 0.55 W
Qualification Status Not Qualified
Reference Voltage-Nom 6.8 V
Surface Mount YES
Technology ZENER
Terminal Finish MATTE TIN
Terminal Form L BEND
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tol-Max 5%
Working Test Current 55.1 mA

Alternate Parts for 1SMB5921BT3G

This table gives cross-reference parts and alternative options found for 1SMB5921BT3G. 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 1SMB5921BT3G, 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
SMBJ5921B-TP Micro Commercial Components Check for Price Zener Diode, 6.8V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-214AA, SMB, 2 PIN 1SMB5921BT3G vs SMBJ5921B-TP
SMBJ5921BE3/TR13 Microchip Technology Inc $0.9250 Zener Diode, 6.8V V(Z), 5%, 1.25W, Silicon, Unidirectional, DO-214AA 1SMB5921BT3G vs SMBJ5921BE3/TR13
SMBJ5921B Jinan Gude Electronic Device Co Ltd Check for Price Zener Diode, 6.8V V(Z), 5%, 1.5W, 1SMB5921BT3G vs SMBJ5921B
Part Number Manufacturer Composite Price Description Compare
SMBJ5921BE3 Microsemi Corporation Check for Price Zener Diode, 6.8V V(Z), 5%, 1.25W, Silicon, Unidirectional, DO-214AA, ROHS COMPLIANT, PLASTIC, SMBJ, 2 PIN 1SMB5921BT3G vs SMBJ5921BE3
SMBJ5921B-TP-HF Micro Commercial Components Check for Price Zener Diode, 6.8V V(Z), 5%, 1.5W, 1SMB5921BT3G vs SMBJ5921B-TP-HF
HSMBJ5921BTR Microsemi Corporation Check for Price Zener Diode, 6.8V V(Z), 5%, 1.56W, Silicon, Unidirectional, DO-214AA, PLASTIC PACKAGE-2 1SMB5921BT3G vs HSMBJ5921BTR
SMBJ5921BTR Microsemi Corporation Check for Price Zener Diode, 6.8V V(Z), 5%, 1.25W, Silicon, Unidirectional, DO-214AA, PLASTIC, SMBJ, 2 PIN 1SMB5921BT3G vs SMBJ5921BTR
SMBJ5921B JGD Semiconductors Co Ltd Check for Price Zener Diode, 6.8V V(Z), 5%, 1.5W, 1SMB5921BT3G vs SMBJ5921B
HSMBJ5921BE3TR Microsemi Corporation Check for Price Zener Diode, 6.8V V(Z), 5%, 1.56W, Silicon, Unidirectional, DO-214AA, ROHS COMPLIANT, PLASTIC PACKAGE-2 1SMB5921BT3G vs HSMBJ5921BE3TR
HSMBJ5921B Microsemi Corporation Check for Price Zener Diode, 6.8V V(Z), 5%, 1.56W, Silicon, Unidirectional, DO-214AA, PLASTIC PACKAGE-2 1SMB5921BT3G vs HSMBJ5921B
1SMB5921B Motorola Mobility LLC Check for Price 6.8V, 0.83W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, CASE 403A-03, SMB, 2 PIN 1SMB5921BT3G vs 1SMB5921B
Z2SMB68 Diotec Semiconductor AG $0.1083 Zener Diode, 68V V(Z), 5%, 2W, Silicon, Unidirectional, DO-214AA, ROHS COMPLIANT, PLASTIC, SMB, 2 PIN 1SMB5921BT3G vs Z2SMB68
Z2SMB68 SEMIKRON Check for Price Zener Diode, 68V V(Z), 5%, 2W, Silicon, Unidirectional, DO-214AA, PLASTIC, SMB, 2 PIN 1SMB5921BT3G vs Z2SMB68

1SMB5921BT3G Related Parts

1SMB5921BT3G Frequently Asked Questions (FAQ)

  • A good PCB layout for the 1SMB5921BT3G involves keeping the leads as short as possible, using a solid ground plane, and placing a 10uF ceramic capacitor between the cathode and anode pins to reduce noise and ringing.

  • To ensure proper biasing, connect the anode to a voltage source through a current-limiting resistor, and connect the cathode to ground through a low-impedance path. The recommended bias voltage is between 5V and 24V.

  • The 1SMB5921BT3G has a maximum surge current rating of 3000A, making it suitable for protecting against high-energy surges and spikes.

  • Yes, the 1SMB5921BT3G is rated for operation up to 150°C, making it suitable for use in high-temperature environments. However, the device's performance may degrade at elevated temperatures.

  • Select the correct variant based on the required breakdown voltage, which ranges from 5.8V to 6.2V for the 1SMB5921BT3G. Ensure the selected variant meets the specific requirements of your application.

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