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Product Detailed Parameters
- Description：DIODE ZENER 75V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：75 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：175 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 56 V
- Operating Temperature：-55°C ~ 175°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 Microchip Technology 1N3041B-1/TR is a 75 V, 1 W unidirectional voltage regulator diode housed in a glass DO-41 package. It features a nominal Zener voltage of 75 V with a 5% tolerance (suffix B). The device operates within a junction temperature range of -55°C to +175°C and provides a maximum reverse leakage current of 10 µA at 75 V. It exhibits a dynamic impedance of 175 Ω at the test current of 3.3 mA and a temperature coefficient of 0.105 %/°C.
Feature Summary
- Hermetically sealed glass DO-41 package with metallurgic bonding for high-reliability applications
- Qualified per MIL-PRF-19500/115 standards including JAN, JANTX, and JANTXV levels
- Inherently radiation hard design suitable for harsh environments
- Low reverse leakage currents across broad operating temperature ranges
Applications
- Voltage regulation over broad operating current and temperature ranges
- High-reliability aerospace and defense electronic circuits
- Radiation-hardened system protection components
Procurement Notes
Verify that the specific ordering suffix matches the required military qualification level (JAN, JANTX, or JANTXV) and RoHS compliance status. Confirm tape and reel packaging specifications against EIA-296 standards if automated assembly is required. Ensure the component version aligns with the manufacturer's latest datasheet revision T4-LDS-0285.
Selection Notes
Select this component when a hermetically sealed, high-power 1 W Zener diode is required for critical systems. The 75 V nominal rating and 5% tolerance suit precise reference applications. Consider the wide thermal operating range and radiation hardness for environments exceeding standard commercial limits.
Part Context
This part belongs to the established 1N3016B-1 through 1N3045B-1 series of 1 Watt Glass Case Zener Diodes. The series covers a voltage range from 6.8 to 110 volts and is JEDEC registered. It serves as a robust alternative to lower-voltage series like 1N3821 through 1N3828 for higher breakdown requirements.
Replacement Considerations
Direct substitutes include other manufacturers' 1N3041 equivalents meeting MIL-PRF-19500/115 specifications. Verify pinout compatibility and thermal resistance characteristics before substitution.
FAQ
What is the maximum DC power dissipation rating?
The maximum DC power dissipation is rated at 1.0 W.
How is polarity indicated on the device?
Polarity is indicated by a band on the body of the glass package marking the cathode end.
