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1N4736UR-1
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Product Detailed Parameters
- Description：DIODE ZENER 6.8V 1W DO213AB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：3.5 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 4 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Surface Mount
- Package / Case：DO-213AB, MELF (Glass)
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4736UR-1 is a surface-mount Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 6.8 V with a tolerance of +/- 10%. The device operates within a power dissipation rating of 1 W and utilizes the DO-213AA-2 package. Electrical characteristics include a maximum reverse leakage current of 10 uA, a Zener impedance of 3.5 Ohms, and a forward voltage of 1.2 V. The component supports an operating temperature range from -65 C to +175 C.
Feature Summary
- Surface-mount construction in a compact DO-213AA-2 package
- High thermal stability with operation up to +175 C
- Internal metallurgical bonding for enhanced reliability
Applications
- Voltage reference circuits
- Over-voltage protection
- Clamping applications
Procurement Notes
Verify the specific suffix UR-1 against official Microchip documentation to confirm the exact electrical tolerances and screening levels. Ensure the DO-213AA-2 footprint matches the design layout. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration before finalizing procurement specifications.
Selection Notes
Select this component when a 1 W surface-mount Zener regulator is required. The 6.8 V nominal voltage and 10% tolerance suit standard regulation needs. Consider the wide temperature range for harsh environments. Verify that the DO-213AA-2 package dimensions fit the available board space compared to through-hole alternatives.
Part Context
This part belongs to the 1N47xx series of Zener diodes manufactured by Microchip Technology. The UR-1 suffix indicates a surface-mount variant, distinct from the axial leaded versions like the 1N4736A. These devices are commonly used in industrial and commercial electronics requiring reliable voltage stabilization in compact form factors.
Replacement Considerations
Direct replacements include other 1N4736 variants such as 1N4736A (through-hole) or 1N4736Pe3/TR8 (reel). Ensure the replacement maintains the 6.8 V Zener voltage, 1 W power rating, and compatible package type.
