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1N4741A TR TIN/LEAD
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Product Detailed Parameters
- Description：11V 1W TH DIODE-ZENER SINGLE: ST
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：11 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：8 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 8.4 V
- Operating Temperature：-65°C ~ 200°C (TJ)
- 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 1N4741A TR TIN/LEAD is a silicon Zener diode manufactured by Central Semiconductor Corp, designed for through-hole mounting in the DO-41 axial package. It features a nominal Zener voltage of 11 V with a tolerance of ±5% and a maximum power dissipation of 1 W. The device exhibits a maximum dynamic impedance of 8 Ω and a maximum reverse leakage current of 5 µA at the test current of 4 mA. It operates within a junction temperature range of -65 °C to +200 °C and complies with RoHS standards.
Feature Summary
- Provides stable voltage regulation via Zener breakdown characteristics in the reverse bias region.
- Constructed from silicon material ensuring reliable performance under specified thermal conditions.
- Features an isolated case connection suitable for standard through-hole circuit board assembly.
Applications
- Voltage reference circuits requiring precise potential levels.
- Overvoltage protection stages in electronic systems.
- General-purpose clipping and clamping applications.
Procurement Notes
Verify that the specific ordering suffix corresponds to the tin/lead terminal finish and tape-and-reel packaging format required for your assembly line. Confirm RoHS compliance status as leaded variants may differ from restricted substance directives. Ensure the manufacturer designation matches Central Semiconductor Corp to guarantee parameter consistency and quality assurance protocols defined in the official datasheet.
Selection Notes
Select this component when a 11 V regulation point is needed with high thermal stability up to 200 °C. The DO-41 package supports robust mechanical handling compared to surface-mount alternatives. Consider the 8 Ω dynamic impedance for noise-sensitive designs where tighter regulation might require alternative series parts.
Part Context
This part belongs to the 1N47xxA series of general-purpose Zener diodes widely used in industrial and commercial electronics. The 1N4741A variant specifically targets the 11 V segment of the EIAJE standard voltage ratings. Central Semiconductor produces this component to meet legacy military and commercial specifications while maintaining modern manufacturing capabilities.
Replacement Considerations
Cross-reference with other manufacturers' 1N4741A parts such as those from Vishay or Microsemi. Verify pinout compatibility and ensure the replacement maintains the same DO-41 footprint and electrical parameters including the 1 W power rating and 11 V nominal voltage.
