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Product Detailed Parameters
- Description：DIODE ZENER 8.4V 500MW DO7
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：8.4 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：15 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 5.5 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AA, DO-7, Axial
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The Microchip Technology 1N3154A/TR is an 8.4 V temperature compensated Zener reference diode in a DO-7 (DO-204AA) package. It operates at a test current of 10 mA with a maximum impedance of 15 Ohms and reverse current of 10 uA. The device provides a voltage range of 8.00 to 8.80 V, a temperature coefficient of 0.01 %/°C, and supports operating temperatures from -65°C to +175°C.
Feature Summary
- Provides minimal voltage changes over a broad temperature range for stable reference applications
- Features internal metallurgical bonds within a hermetically sealed glass case
- Offers flexible axial-lead mounting terminals compatible with standard through-hole processes
Applications
- Instrumentation requiring stable voltage references
- Circuit designs demanding minimal voltage change with temperature
- Temperature compensated Zener reference circuits
Procurement Notes
Verify the specific suffix requirements for tape and reel packaging against official documentation before ordering. Confirm that the RoHS compliant e3 designation aligns with project environmental standards. Ensure the selected part number matches the required military or commercial qualification levels if applicable to the design specifications.
Selection Notes
Select this component when a nominal 8.4 V reference with low temperature drift is required. The 1N3154A variant offers a 0.01 %/°C temperature coefficient suitable for general instrumentation. Consider tighter tolerance suffixes if stricter voltage accuracy is needed. Verify power dissipation limits relative to the operating current to maintain optimal stability.
Part Context
This device belongs to the 1N3154 thru 1N3157A series of Zero-TC Reference Diodes manufactured by Microsemi, now part of Microchip Technology. The series provides various temperature coefficients ranging from 0.01%/°C to 0.001%/°C. These diodes are JEDEC registered and available in military qualifications such as JAN, JANTX, and JANTXV.
Replacement Considerations
Direct replacements include other members of the 1N3154-1N3157A series with matching voltage and temperature coefficient requirements. Cross-reference with RH-prefix radiation-hardened variants if space-grade performance is necessary.
