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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT-363
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：21 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 14 V
- Operating Temperature：-65°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-363
- Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA
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Overview
The MMBZ5248BTS-7-F is a triple surface mount Zener diode array manufactured by Diodes Incorporated. It integrates three isolated Zener diodes within an SOT363 package, designed for automated assembly processes. The device features a nominal Zener voltage of 18 V with a tolerance range of 17.10 V to 18.90 V at a test current (IZT) of 7.0 mA. Maximum power dissipation is rated at 200 mW, and the maximum reverse leakage current is 0.1 µA at VR = 14 V. The component operates within a temperature range of -65°C to +150°C.
Feature Summary
- Integrates three electrically isolated Zener diodes in a single ultra-small surface mount package.
- Qualified to AEC-Q101 standards for high reliability applications.
- Manufactured using planar die construction with lead-free plating and halogen-free materials.
Applications
- Automated assembly processes requiring compact multi-channel voltage regulation.
- General-purpose medium current circuit protection.
- High reliability electronic systems meeting automotive qualification standards.
Procurement Notes
Verify the specific ordering suffix matches the required packaging configuration. Confirm that the component meets RoHS and REACH directives if environmental compliance is mandatory for the target market. Ensure the supplier provides traceability documentation consistent with the manufacturer's quality definitions for lead-free and green devices.
Selection Notes
Select this component when space constraints require multiple independent voltage references in a single footprint. Verify that the total power dissipation requirements across all three channels do not exceed the 200 mW limit under worst-case thermal conditions. Check that the 18 V nominal voltage aligns with the specific circuit design requirements.
Part Context
This part belongs to the MMBZ5221BTS through MMBZ5259BTS series, which offers various Zener voltage options from 2.4 V to 39 V. All variants share the same SOT363 mechanical outline and electrical characteristics structure, differing primarily in their nominal breakdown voltage and associated marking codes.
Replacement Considerations
Direct substitutes include other MMBZ5248BTS variants from Diodes Incorporated with different packaging suffixes. Cross-manufacturer replacements must match the SOT363 package dimensions, 18 V nominal voltage, and triple isolation configuration.
FAQ
What is the marking code for the MMBZ5248BTS?
The product type marking code for the MMBZ5248BTS is KR6.
How are the three Zeners configured internally?
The device contains three isolated Zener diodes, meaning each channel operates independently without internal electrical connection between them.
What is the maximum Zener impedance at the test current?
The maximum Zener impedance (ZZ) at IZT = 7.0 mA is 21 Ohms.
