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1N5532B
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Product Detailed Parameters
- Description：DIODE ZENER 5.1V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：26 Ohms
- Current - Reverse Leakage @ Vr：2 µA @ 2.5 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N5532B is a low voltage avalanche Zener diode rated at 0.5 W, housed in a hermetically sealed axial-lead glass DO-35 (DO-204AH) package. It provides a nominal Zener voltage of 12 V with a standard tolerance of ±5%. The device operates within a junction and storage temperature range of -65°C to +175°C. Key electrical characteristics include a maximum Zener impedance of 90 Ohms at a test current of 1 mA, a forward voltage of 1.1 V at 200 mA, and a maximum reverse leakage current of 50 µA at 10.8 V.
Feature Summary
- Hermetically sealed glass construction for environmental protection
- Low capacitance design suitable for high-frequency applications
- ESD insensitivity per MIL-STD-750 Method 1020
- Inherently radiation hard
Applications
- Voltage regulation over broad operating current and temperature ranges
- Reference voltage sources
- Protection circuits requiring minimal capacitance
Procurement Notes
Verify the specific suffix requirements against the datasheet nomenclature. The 'B' suffix denotes a ±5% voltage tolerance. Confirm whether commercial or military qualification levels are required, as packaging and testing standards differ between grades. Ensure the ordering part number matches the desired metallurgical bond option if applicable.
Selection Notes
Select this component when a 12 V reference with ±5% accuracy is needed in an axial lead form factor. Consider the thermal resistance values for power derating calculations above 50°C ambient temperature. Verify that the 90 Ohm dynamic impedance meets the circuit's noise and regulation requirements compared to tighter tolerance variants.
Part Context
This device belongs to the 1N5518 through 1N5546 series of 0.5 W Zener diodes. The series covers a voltage selection from 3.3 V to 33 V. The 1N5532B specifically targets the 12 V segment of this lineup, offering a balance of voltage precision and availability in the standard DO-35 package.
Replacement Considerations
JAN1N5532CUR-1
FAQ
What does the 'B' suffix indicate for the 1N5532B?
The 'B' suffix indicates a voltage tolerance of plus/minus 5.0%.
Is the 1N5532B sensitive to electrostatic discharge?
No, the device is nonsensitive to ESD per MIL-STD-750 Method 1020.
