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1N4739A,133
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Product Detailed Parameters
- Description：DIODE ZENER 9.1V 1W DO41
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Cut Tape (CT),Tape & Box (TB)
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：5 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 7 V
- Operating Temperature：-65°C ~ 200°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Nexperia 1N4739A,133 is a low voltage regulator diode housed in a hermetically sealed SOD66 (DO-41) glass package. It provides a nominal Zener voltage of 9.1 V with a tolerance of ±5%. The device supports a maximum power dissipation of 1 W and operates within a junction temperature range of -65 °C to +200 °C. Key electrical characteristics include a forward voltage of 1.2 V at 200 mA, a reverse leakage current of 10 µA at 7 V, and a Zener impedance of 5 Ω at the test current of 28 mA.
Feature Summary
- Hermetically sealed small glass package for environmental protection
- Low voltage regulation capability with defined tolerance series
- High thermal stability suitable for demanding operating conditions
Applications
- Low voltage stabilizers
Procurement Notes
Verify component authenticity through official Nexperia channels or authorized distributors. Confirm the specific ordering suffix matches the required packaging configuration. Check for any Product Change Notifications (PCN) regarding manufacturing site or material updates. Ensure compliance with relevant RoHS directives before integration into final assemblies.
Selection Notes
Select this component when a stable 9.1 V reference is required in axial leaded form factors. Consider the 1 W power rating and wide temperature range for industrial environments. Evaluate the 5 Ω impedance for noise sensitivity requirements. Compare against other voltages in the 1N4728A to 1N4749A series if different regulation levels are needed.
Part Context
This part belongs to the 1N4728A to 1N4749A series of voltage regulator diodes manufactured by Nexperia. The series offers nominal working voltages ranging from 3.3 V to 24 V. All variants share the same SOD66 (DO-41) hermetically sealed glass package and general structural specifications, differing primarily in their specific Zener voltage ratings.
Replacement Considerations
Direct substitutes include the 1N4739A from onsemi. Verify pinout compatibility and ensure equivalent electrical parameters such as voltage tolerance and power dissipation are met before substitution.
