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1N5388BE3/TR12
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Product Detailed Parameters
- Description：DIODE ZENER 200V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：200 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：480 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 144 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：T-18, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
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Overview
The Microsemi Corporation 1N5388BE3/TR12 is a silicon 5.0-watt Zener diode with a nominal voltage of 200V and ±5% tolerance. It features a T-18 axial leaded plastic package, operates from -65°C to +150°C, and has a maximum dynamic impedance of 480 ohms at 5.0 mA test current. The device includes RoHS compliance (e3 suffix) and tape-and-reel packaging (TR12 suffix).
Feature Summary
- JEDEC registered 5.0 watt power dissipation capability.
- RoHS compliant construction with matte-tin plating.
- Level 1 moisture classification requiring no dry pack.
- ESD nonsensitive per MIL-STD-750 Method 1020.
Applications
- Voltage regulation over broad operating currents.
- High surge stress environments.
- General purpose DC power supply circuits.
Procurement Notes
Verify the specific ordering suffixes against official documentation to confirm RoHS compliance and tape-and-reel configuration. Confirm that the e3 designation matches the required terminal finish specifications for your assembly process. Ensure the TR12 suffix aligns with standard EIA-296 reel dimensions before procurement.
Selection Notes
Select this component when a 200V breakdown voltage with tight ±5% tolerance is required in a high-power 5W axial package. Consider thermal derating curves if ambient temperatures exceed 25°C or if mounting on FR4 PCBs without adequate copper pads. Verify compatibility with existing circuit designs requiring low leakage current at high reverse voltages.
Part Context
This part belongs to the 1N5333B through 1N5388B series of JEDEC registered silicon Zener diodes manufactured by Microsemi's Scottsdale Division. The series covers a wide voltage range from 3.3V to 200V, utilizing a standardized T-18 plastic encapsulated case for robust mechanical performance and reliable long-term operation in demanding electronic applications.
Replacement Considerations
Equivalent parts within the same series include 1N5388B, 1N5388A, and 1N5388C depending on required tolerance levels. Surface mount alternatives are available as SMBJ5388B or SMBG5388B. Military screening options exist with MQ, MX, or MV prefixes.
FAQ
What is the maximum surge current rating for this device?
The maximum surge current (IZSM) is specified as 1850 amps for a non-recurrent half-sine wave of 8.3 ms duration.
How is polarity indicated on the component?
Polarity is indicated by a band on the cathode end. The diode must be operated with the banded end positive with respect to the opposite end.
