Datasheets
1SMB5942BT3 by:
onsemi
Freescale Semiconductor
Motorola Mobility LLC
Motorola Semiconductor Products
onsemi
Won-Top Electronics Co Ltd
Not Found

51V, 0.55W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214AA, PLASTIC, CASE 403A-03, SMB, 2 PIN

Part Details for 1SMB5942BT3 by onsemi

Results Overview of 1SMB5942BT3 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.

1SMB5942BT3 Information

1SMB5942BT3 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 1SMB5942BT3

Part # Distributor Description Stock Price Buy
DISTI # 1SMB5942BT3
Avnet Americas ZENER SGL 51V 5% 550MW 2PIN SMB - Tape and Reel (Alt: 1SMB5942BT3) RoHS: Not Compliant Min Qty: 2500 Package Multiple: 2500 Container: Reel 0
RFQ
Bristol Electronics   2376
RFQ
Quest Components ZENER DIODE,SINGLE, TWO TERMINAL,51V V(Z),5%,DO-214 1964
  • 1 $0.7920
  • 127 $0.3960
  • 506 $0.3168
$0.3168 / $0.7920 Buy Now
Quest Components ZENER DIODE,SINGLE, TWO TERMINAL,51V V(Z),5%,DO-214 145
  • 1 $0.4752
  • 12 $0.3960
  • 52 $0.3168
$0.3168 / $0.4752 Buy Now
ComSIT USA Electronic Component RoHS: Not Compliant Stock DE - 0
Stock ES - 2966
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ

Part Details for 1SMB5942BT3

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1SMB5942BT3 Part Data Attributes

1SMB5942BT3 onsemi
Buy Now Datasheet
Compare Parts:
1SMB5942BT3 onsemi 51V, 0.55W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214AA, PLASTIC, CASE 403A-03, SMB, 2 PIN
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Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code DO-214
Package Description PLASTIC, CASE 403A-03, SMB, 2 PIN
Pin Count 2
Manufacturer Package Code CASE 403A-03
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Samacsys Manufacturer onsemi
Configuration SINGLE
Diode Element Material SILICON
Diode Type ZENER DIODE
Dynamic Impedance-Max 70 Ω
JEDEC-95 Code DO-214AA
JESD-30 Code R-PDSO-C2
JESD-609 Code e0
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 2
Operating Temperature-Max 175 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 235
Polarity UNIDIRECTIONAL
Power Dissipation-Max 3 W
Qualification Status Not Qualified
Reference Voltage-Nom 51 V
Surface Mount YES
Technology ZENER
Terminal Finish TIN LEAD
Terminal Form C BEND
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tol-Max 5%
Working Test Current 7.3 mA

Alternate Parts for 1SMB5942BT3

This table gives cross-reference parts and alternative options found for 1SMB5942BT3. 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 1SMB5942BT3, 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
HSMBJ5942BE3 Microsemi Corporation Check for Price Zener Diode, 51V V(Z), 5%, 1.56W, Silicon, Unidirectional, DO-214AA, ROHS COMPLIANT, PLASTIC PACKAGE-2 1SMB5942BT3 vs HSMBJ5942BE3
HSMBJ5942BTRE3 Microsemi Corporation Check for Price Zener Diode, 51V V(Z), 5%, 3W, 1SMB5942BT3 vs HSMBJ5942BTRE3
HSMBJ5942BE3TR Microsemi Corporation Check for Price Zener Diode, 51V V(Z), 5%, 1.56W, Silicon, Unidirectional, DO-214AA, ROHS COMPLIANT, PLASTIC PACKAGE-2 1SMB5942BT3 vs HSMBJ5942BE3TR
Part Number Manufacturer Composite Price Description Compare
PSMA5942B/T3 NXP Semiconductors Check for Price DIODE 51 V, 1.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214AC, PLASTIC, DO-214AC, 2 PIN, Voltage Regulator Diode 1SMB5942BT3 vs PSMA5942B/T3
MVSMBG5942BE3 Microsemi Corporation Check for Price Zener Diode, 51V V(Z), 5%, 1.25W, Silicon, Unidirectional, DO-215AA, ROHS COMPLIANT, PLASTIC, SMBG, 2 PIN 1SMB5942BT3 vs MVSMBG5942BE3
MLL5942B-1E3 Microsemi Corporation Check for Price Zener Diode, 51V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-213AA, SURFACE MOUNT PACKAGE-2 1SMB5942BT3 vs MLL5942B-1E3
MLL5942B-1 Microsemi Corporation Check for Price Zener Diode, 51V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-213AA, SURFACE MOUNT PACKAGE-2 1SMB5942BT3 vs MLL5942B-1
SMZJ3806A General Instrument Corp Check for Price Zener Diode, 51V V(Z), 10%, 1.5W, Silicon, Unidirectional, DO-214AA, 1SMB5942BT3 vs SMZJ3806A
SMZJ3806A-E3/52 Vishay Intertechnologies Check for Price Zener Diode, 51V V(Z), 10%, 1.5W, Silicon, Unidirectional, DO-214AA, ROHS COMPLIANT, SMBJ, 2 PIN 1SMB5942BT3 vs SMZJ3806A-E3/52
1SMB5942B Rectron Semiconductor Check for Price Zener Diode 1SMB5942BT3 vs 1SMB5942B
DL5942B Micro Commercial Components Check for Price Zener Diode, 51V V(Z), 5%, 1.5W, Silicon, Unidirectional, GLASS, MELF-2 1SMB5942BT3 vs DL5942B
1SMB5942B Motorola Mobility LLC Check for Price 51V, 0.83W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, CASE 403A-03, SMB, 2 PIN 1SMB5942BT3 vs 1SMB5942B
SMZJ3806B General Instrument Corp Check for Price Zener Diode, 51V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-214AA, 1SMB5942BT3 vs SMZJ3806B

1SMB5942BT3 Related Parts

1SMB5942BT3 Frequently Asked Questions (FAQ)

  • A good PCB layout for the 1SMB5942BT3 should minimize lead inductance and ensure good thermal dissipation. Keep the leads short, use a solid ground plane, and consider using a thermal pad or heat sink to improve thermal performance.

  • The 1SMB5942BT3 is a zener diode, so it requires a minimum current to maintain its voltage regulation. Ensure that the current through the diode is within the recommended range (typically 5-20mA) and that the voltage across the diode is within the specified range (24V for the 1SMB5942BT3).

  • The maximum power dissipation of the 1SMB5942BT3 is 500mW. Exceeding this limit can cause the device to overheat and potentially fail. Ensure that the device is properly heat-sinked and that the power dissipation is within the recommended range.

  • Yes, the 1SMB5942BT3 can be used in a switching power supply, but it's essential to ensure that the device is properly snubbed to prevent high-frequency ringing and voltage spikes. A snubber circuit can help to reduce electromagnetic interference (EMI) and ensure reliable operation.

  • To protect the 1SMB5942BT3 from EOS, ensure that the device is operated within its recommended voltage and current ratings. Use a voltage limiter or surge protector to prevent voltage spikes, and consider adding a fuse or current limiter to prevent excessive current.