Datasheets
MMSZ5255B by:
onsemi

500 mW, 28 V ±5% Zener Diode Voltage Regulator, 3000-REEL

Part Details for MMSZ5255B by onsemi

Results Overview of MMSZ5255B by onsemi

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MMSZ5255B Information

MMSZ5255B 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 MMSZ5255B

Part # Distributor Description Stock Price Buy
Flip Electronics Stock, Ship Today 5556
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US Tariff Estimator: MMSZ5255B by onsemi

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Part Details for MMSZ5255B

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MMSZ5255B Part Data Attributes

MMSZ5255B onsemi
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MMSZ5255B onsemi 500 mW, 28 V ±5% Zener Diode Voltage Regulator, 3000-REEL
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Package Description Sod-123, 2 Pin
Manufacturer Package Code 425-04
Reach Compliance Code Compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Factory Lead Time 4 Weeks
Configuration Single
Diode Element Material Silicon
Diode Type Zener Diode
Dynamic Impedance-Max 44 Ω
JESD-30 Code R-PDSO-G2
JESD-609 Code e3
Knee Impedance-Max 600 Ω
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 2
Operating Temperature-Max 150 °C
Package Body Material Plastic/Epoxy
Package Shape Rectangular
Package Style Small Outline
Peak Reflow Temperature (Cel) 260
Polarity Unidirectional
Power Dissipation-Max 0.5 W
Qualification Status Not Qualified
Reference Voltage-Nom 28 V
Reverse Current-Max 0.1 µA
Reverse Test Voltage 21 V
Surface Mount Yes
Technology Zener
Terminal Finish Matte Tin (Sn) - Annealed
Terminal Form Gull Wing
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tol-Max 5%
Working Test Current 4.5 Ma

Alternate Parts for MMSZ5255B

This table gives cross-reference parts and alternative options found for MMSZ5255B. 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 MMSZ5255B, 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
MMSZ5255B_R1_00001 PanJit Semiconductor Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, MMSZ5255B vs MMSZ5255B_R1_00001
MMSZ5255BT1 Motorola Mobility LLC Check for Price 28V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, PLASTIC, CASE 425, 2 PIN MMSZ5255B vs MMSZ5255BT1
MMSZ5255BT3G onsemi Check for Price 28V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, LEAD FREE, PLASTIC, CASE 425-04, 2 PIN MMSZ5255B vs MMSZ5255BT3G
MMSZ5255B-TP-HF Micro Commercial Components Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, MMSZ5255B vs MMSZ5255B-TP-HF
MMSZ5255B Promax-Johnton Electronic Corporation Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, PLASTIC PACKAGE-2 MMSZ5255B vs MMSZ5255B
MMSZ5255B-T3 Won-Top Electronics Co Ltd Check for Price Zener Diode, 28V V(Z), 5%, 0.5W MMSZ5255B vs MMSZ5255B-T3
MMSZ5255B-T1-LF Won-Top Electronics Co Ltd Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, ROHS COMPLIANT, PLASTIC PACKAGE-2 MMSZ5255B vs MMSZ5255B-T1-LF
MMSZ5255B-GT1 Sangdest Microelectronics (Nanjing) Co Ltd Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, PLASTIC PACKAGE-2 MMSZ5255B vs MMSZ5255B-GT1
MMSZ5255BD87Z Fairchild Semiconductor Corporation Check for Price Zener Diode, 28V V(Z), 0.5W, Silicon, Unidirectional MMSZ5255B vs MMSZ5255BD87Z
MMSZ5255B-HE3-18 Vishay Intertechnologies Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, ROHS COMPLIANT, PLASTIC PACKAGE-2 MMSZ5255B vs MMSZ5255B-HE3-18
Part Number Manufacturer Composite Price Description Compare
MSP1N5255DUR-1E3TR Microsemi Corporation (now Microchip) Check for Price Zener Diode, 28V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-213AA, HERMETIC SEALED, GLASS, MLL34, MELF-2 MMSZ5255B vs MSP1N5255DUR-1E3TR
1N5255D7 Microsemi Corporation (now Microchip) Check for Price Zener Diode, 28V V(Z), 20%, 0.5W, Silicon, Unidirectional MMSZ5255B vs 1N5255D7
MV1N5255CUR-1E3 Microsemi Corporation (now Microchip) Check for Price Zener Diode, 28V V(Z), 2%, 0.5W, Silicon, Unidirectional, DO-213AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, MLL34, MELF-2 MMSZ5255B vs MV1N5255CUR-1E3
MV1N5255BE3TR-1 Microsemi Corporation (now Microchip) Check for Price Zener Diode, 28V V(Z), 5%, 0.48W, Silicon, Unidirectional, DO-204AH, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-35, 2 PIN MMSZ5255B vs MV1N5255BE3TR-1
1N5255CURTRE3 Microchip Technology Inc Check for Price Zener Diode, 28V V(Z), 2%, 0.5W, Unidirectional, DO-213AA, SOD-80, MELF-2 MMSZ5255B vs 1N5255CURTRE3
MV1N5255A-1 Microchip Technology Inc Check for Price Zener Diode, 28V V(Z), 10%, 0.48W, Silicon, Unidirectional, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN MMSZ5255B vs MV1N5255A-1
MLL5255B-1E3 Microsemi Corporation (now Microchip) Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-213AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, MLL34, MELF-2 MMSZ5255B vs MLL5255B-1E3
1N5255B Surge Components Inc Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, DO-35, 2 PIN MMSZ5255B vs 1N5255B
LL5255B Microsemi Corporation (now Microchip) Check for Price Zener Diode, 28V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-213AA MMSZ5255B vs LL5255B
MMSZ5255B-FL-H Formosa Microsemi Co Ltd Check for Price Zener Diode MMSZ5255B vs MMSZ5255B-FL-H
equivalents icon

MMSZ5255B Related Parts

MMSZ5255B Frequently Asked Questions (FAQ)

  • A recommended PCB layout for the MMSZ5255B would be to keep the leads as short as possible, use a ground plane, and avoid routing high-frequency signals near the zener diode. Additionally, it's recommended to use a via to connect the cathode to the ground plane to reduce inductance.

  • To ensure stable operation, the MMSZ5255B should be biased with a minimum current of 1mA and a maximum current of 50mA. The voltage across the zener diode should be within the specified range of 5.1V to 5.6V. Additionally, the device should be operated within the recommended temperature range of -65°C to 150°C.

  • The MMSZ5255B's voltage regulation is affected by temperature. The zener voltage will decrease by approximately -2.5mV/°C as the temperature increases. This means that the voltage regulation will be less accurate at higher temperatures. It's essential to consider this temperature coefficient when designing the circuit.

  • No, the MMSZ5255B is not suitable for high-current applications. It's designed for low-current applications up to 50mA. Using it for high-current applications may lead to overheating, reduced reliability, and potentially even damage to the device.

  • To protect the MMSZ5255B from EOS and ESD, it's recommended to use a voltage limiter or a transient voltage suppressor (TVS) in series with the zener diode. Additionally, handling the device with anti-static wrist straps, mats, and bags can prevent ESD damage.

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