Datasheets
RLZTE-1118B by: ROHM Semiconductor

Zener Diode, 18V V(Z), 2.5%, 0.4W, Silicon, Unidirectional

Part Details for RLZTE-1118B by ROHM Semiconductor

Results Overview of RLZTE-1118B by ROHM Semiconductor

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Applications Consumer Electronics Energy and Power Systems Electronic Manufacturing Renewable Energy Automotive

RLZTE-1118B Information

RLZTE-1118B by ROHM Semiconductor 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 RLZTE-1118B

Part # Distributor Description Stock Price Buy
Quest Components 18V, 0.4W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE 36042
  • 1 $0.1000
  • 4,445 $0.0325
  • 24,616 $0.0300
$0.0300 / $0.1000 Buy Now

Part Details for RLZTE-1118B

RLZTE-1118B CAD Models

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RLZTE-1118B Part Data Attributes

RLZTE-1118B ROHM Semiconductor
Buy Now Datasheet
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RLZTE-1118B ROHM Semiconductor Zener Diode, 18V V(Z), 2.5%, 0.4W, Silicon, Unidirectional
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ROHM CO LTD
Reach Compliance Code unknown
ECCN Code EAR99
HTS Code 8541.10.00.50
Additional Feature HIGH RELIABILITY
Case Connection ISOLATED
Configuration SINGLE
Diode Element Material SILICON
Diode Type ZENER DIODE
Dynamic Impedance-Max 23 Ω
JESD-30 Code O-LELF-R2
Knee Impedance-Max 150 Ω
Number of Elements 1
Number of Terminals 2
Operating Temperature-Max 175 °C
Package Body Material GLASS
Package Shape ROUND
Package Style LONG FORM
Peak Reflow Temperature (Cel) NOT SPECIFIED
Polarity UNIDIRECTIONAL
Power Dissipation-Max 0.4 W
Qualification Status Not Qualified
Reference Voltage-Nom 18 V
Reverse Current-Max 0.2 µA
Surface Mount YES
Technology ZENER
Terminal Form WRAP AROUND
Terminal Position END
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Voltage Tol-Max 2.5%
Working Test Current 10 mA

Alternate Parts for RLZTE-1118B

This table gives cross-reference parts and alternative options found for RLZTE-1118B. 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 RLZTE-1118B, 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
BZT52C5V6-E3-08 Vishay Intertechnologies $0.0635 Zener Diode, 5.6V V(Z), 7.14%, 0.5W, Silicon, Unidirectional, ROHS COMPLIANT, PLASTIC PACKAGE-2 RLZTE-1118B vs BZT52C5V6-E3-08
TZMC5V6 Vishay Intertechnologies Check for Price Zener Diode, 5.6V V(Z), 5%, 0.5W, Silicon, Unidirectional, ROHS COMPLIANT, GLASS, MINIMELF-2 RLZTE-1118B vs TZMC5V6
RLZTE-125238B ROHM Semiconductor Check for Price Zener Diode, 0.4W, Silicon, Unidirectional RLZTE-1118B vs RLZTE-125238B
RLZTE-116.8B ROHM Semiconductor Check for Price Zener Diode, 6.8V V(Z), 2.6%, 0.4W, Silicon, Unidirectional, RLZTE-1118B vs RLZTE-116.8B
RLZTE-1216B ROHM Semiconductor Check for Price Zener Diode, 16V V(Z), 0.4W, Silicon, Unidirectional RLZTE-1118B vs RLZTE-1216B
RLZTE-127.5B ROHM Semiconductor Check for Price Zener Diode, 7.5V V(Z), 0.4W, Silicon, Unidirectional RLZTE-1118B vs RLZTE-127.5B
RLZTE-115.1B ROHM Semiconductor Check for Price Zener Diode, 5.1V V(Z), 2.6%, 0.4W, Silicon, Unidirectional, RLZTE-1118B vs RLZTE-115.1B
RLZTE-115249B ROHM Semiconductor Check for Price Zener Diode, 0.5W, Silicon, Unidirectional RLZTE-1118B vs RLZTE-115249B
RLZTE-115244B ROHM Semiconductor Check for Price Zener Diode, 0.5W, Silicon, Unidirectional RLZTE-1118B vs RLZTE-115244B
RLZTE-123.3B ROHM Semiconductor Check for Price Zener Diode, 3.3V V(Z), 0.4W, Silicon, Unidirectional RLZTE-1118B vs RLZTE-123.3B

RLZTE-1118B Related Parts

RLZTE-1118B Frequently Asked Questions (FAQ)

  • A thermal pad on the bottom of the package should be connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.

  • Use a high-quality output capacitor with low ESR (Equivalent Series Resistance) and a minimum capacitance of 10uF. Additionally, ensure the input capacitor is rated for the input voltage and has a low ESR.

  • The input voltage ripple should be kept below 1% of the nominal input voltage to ensure stable operation. Excessive ripple can cause output voltage fluctuations.

  • While the device is rated for operation up to 125°C, it's essential to consider the derating curves and thermal management to ensure reliable operation in high-temperature environments.

  • Implement overcurrent protection (OCP) and short-circuit protection (SCP) using external components, such as fuses or current-sensing resistors, to prevent damage to the device.

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