Datasheets
ZY9.1 by:

Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional, DO-204AL, ROHS COMPLIANT, PLASTIC, DO-41, 2 PIN

Part Details for ZY9.1 by Diotec Semiconductor AG

Results Overview of ZY9.1 by Diotec Semiconductor AG

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Applications Space Technology Aerospace and Defense Energy and Power Systems

ZY9.1 Information

ZY9.1 by Diotec Semiconductor AG 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 ZY9.1

Part # Distributor Description Stock Price Buy
DISTI # 4878-ZY9.1CT-ND
DigiKey DIODE ZENER 9.1V 2W DO204AC Min Qty: 1 Lead time: 8 Weeks Container: Cut Tape (CT), Bulk 4929
In Stock
  • 1 $0.3600
  • 10 $0.1860
  • 100 $0.1160
  • 500 $0.0984
  • 1,000 $0.0740
  • 5,000 $0.0696
  • 10,000 $0.0600
  • 15,000 $0.0582
  • 25,000 $0.0568
  • 35,000 $0.0544
  • 50,000 $0.0519
$0.0519 / $0.3600 Buy Now
DISTI # 637-ZY9.1
Mouser Electronics Zener Diodes Zener, DO-41, 9.1V, 2W, 5% RoHS: Compliant 4734
  • 1 $0.3600
  • 10 $0.1860
  • 100 $0.1160
  • 500 $0.0990
  • 1,000 $0.0740
  • 5,000 $0.0610
  • 10,000 $0.0540
  • 25,000 $0.0520
  • 50,000 $0.0490
$0.0490 / $0.3600 Buy Now
Onlinecomponents.com Zener Diode - DO-41 - 9.1V - 2W - 5% RoHS: Compliant 10000 Factory Stock
  • 5,000 $0.0496
  • 10,000 $0.0474
  • 25,000 $0.0461
  • 50,000 $0.0426
  • 100,000 $0.0409
  • 150,000 $0.0403
  • 250,000 $0.0397
$0.0397 / $0.0496 Buy Now
DISTI # 87334943
Verical Diode Zener Single 9.05V 6% 2000mW 2-Pin DO-41 Ammo Min Qty: 828 Package Multiple: 1 Americas - 1210
  • 828 $0.0846
  • 1,000 $0.0781
  • 5,000 $0.0694
$0.0694 / $0.0846 Buy Now
DISTI # ZY9.1-DIO
TME Diode: Zener, 2W, 9.1V, 208mA, Ammo Pack, DO41, single diode, ZY Min Qty: 10 1400
  • 10 $0.0816
  • 50 $0.0704
  • 250 $0.0566
  • 1,000 $0.0508
  • 5,000 $0.0474
$0.0474 / $0.0816 Buy Now
Master Electronics Zener Diode - DO-41 - 9.1V - 2W - 5% RoHS: Compliant 10000 Factory Stock
  • 5,000 $0.0496
  • 10,000 $0.0474
  • 25,000 $0.0461
  • 50,000 $0.0426
  • 100,000 $0.0409
  • 150,000 $0.0403
  • 250,000 $0.0397
$0.0397 / $0.0496 Buy Now

Part Details for ZY9.1

ZY9.1 CAD Models

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ZY9.1 Part Data Attributes

ZY9.1 Diotec Semiconductor AG
Buy Now Datasheet
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ZY9.1 Diotec Semiconductor AG Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional, DO-204AL, ROHS COMPLIANT, PLASTIC, DO-41, 2 PIN
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer DIOTEC SEMICONDUCTOR AG
Part Package Code DO-41
Package Description DO-41, 2 PIN
Pin Count 2
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.10.00.50
Case Connection ISOLATED
Configuration SINGLE
Diode Element Material SILICON
Diode Type ZENER DIODE
Dynamic Impedance-Max 4 Ω
JEDEC-95 Code DO-204AL
JESD-30 Code O-PALF-W2
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 2
Operating Temperature-Max 150 °C
Operating Temperature-Min -50 °C
Package Body Material PLASTIC/EPOXY
Package Shape ROUND
Package Style LONG FORM
Peak Reflow Temperature (Cel) 260
Polarity UNIDIRECTIONAL
Power Dissipation-Max 2 W
Qualification Status Not Qualified
Reference Voltage-Nom 9.1 V
Surface Mount NO
Technology ZENER
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form WIRE
Terminal Position AXIAL
Voltage Tol-Max 5%
Working Test Current 50 mA

Alternate Parts for ZY9.1

This table gives cross-reference parts and alternative options found for ZY9.1. 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 ZY9.1, 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
ZY9.1 Promax-Johnton Electronic Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional, PLASTIC PACKAGE-2 ZY9.1 vs ZY9.1
ZY9.1 TDK Micronas GmbH Check for Price Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional ZY9.1 vs ZY9.1
ZY9.1 Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 6%, 2W, Silicon, Unidirectional, DO-41, ZY9.1 vs ZY9.1
ZY9.1 SEMIKRON Check for Price Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs ZY9.1
Part Number Manufacturer Composite Price Description Compare
ZY9.1 Micro Commercial Components Check for Price Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional, DO-41, PLASTIC PACKAGE-2 ZY9.1 vs ZY9.1
MSP2EZ9.1D5 Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 1.19W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs MSP2EZ9.1D5
ZY9.1P Micro Commercial Components Check for Price Zener Diode, 9.1V V(Z), 5%, 2W, Silicon, Unidirectional, DO-41, PLASTIC PACKAGE-2 ZY9.1 vs ZY9.1P
2EZ9.1D5 Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 1.19W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs 2EZ9.1D5
MQ2EZ9.1D5/TR Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 1.19W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs MQ2EZ9.1D5/TR
MSP2EZ9.1D5E3TR Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 1.19W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs MSP2EZ9.1D5E3TR
MSP2EZ9.1D5TR Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 1.19W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs MSP2EZ9.1D5TR
2EZ9.1D5E3/TR Microsemi Corporation Check for Price Zener Diode, 9.1V V(Z), 5%, 1.19W, Silicon, Unidirectional, DO-204AL, ROHS COMPLIANT, PLASTIC, DO-41, 2 PIN ZY9.1 vs 2EZ9.1D5E3/TR
2EZ9.1D5 Micro Commercial Components Check for Price Zener Diode, 9.1V V(Z), 5%, Silicon, Unidirectional, DO-41, PLASTIC PACKAGE-2 ZY9.1 vs 2EZ9.1D5
2EZ9.1D5E3TR Microsemi Corporation Check for Price 10V, 3W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AL, PLASTIC, DO-41, 2 PIN ZY9.1 vs 2EZ9.1D5E3TR

ZY9.1 Related Parts

ZY9.1 Frequently Asked Questions (FAQ)

  • Diotec recommends a PCB layout with a large copper area connected to the tab of the ZY9.1 to ensure good heat dissipation. A minimum of 1 oz copper thickness is recommended, and the use of thermal vias is also suggested.

  • Diotec recommends using a soldering profile with a peak temperature of 260°C (500°F) and a dwell time of 10-30 seconds. The use of a solder with a high melting point (e.g., SAC305) is also recommended to ensure reliable connections.

  • The maximum allowed voltage drop across the ZY9.1 is 1.5V. Exceeding this voltage drop may lead to reduced performance, increased power consumption, or even damage to the device.

  • Yes, the ZY9.1 is suitable for high-frequency switching applications up to 100 kHz. However, it's essential to ensure that the PCB layout and component selection are optimized for high-frequency operation to minimize losses and electromagnetic interference (EMI).

  • Diotec recommends using a suitable overvoltage protection (OVP) circuit and overcurrent protection (OCP) circuit to prevent damage to the ZY9.1. The OVP circuit should be designed to clamp the voltage to a maximum of 1.5V above the nominal input voltage, and the OCP circuit should be designed to limit the current to a maximum of 1.5A.

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