Overview
The 1N5388B/TR12 is a 5-watt Zener diode produced by Microsemi Corporation. This component is part of the JEDEC registered 1N5333B-1N5388B series, designed to provide voltage regulation across a wide range of voltages. The 1N5388B/TR12 specifically offers a nominal Zener voltage of 200 volts, making it suitable for high-voltage applications. It is packaged in a T-18 axial lead configuration, which is RoHS compliant and lead-free.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Microsemi Corporation |
| Voltage - Zener (Nom) (Vz) | 200 V |
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 1 A |
| Tolerance | ±10% |
| Package / Case | T-18, Axial |
| Power - Max | 5 W |
| Operating Temperature | -65°C to +150°C |
| Mounting Type | Through Hole |
| Impedance (Max) (Zzt) | 480 Ohms |
| Current - Reverse Leakage @ Vr | 500 nA @ 144 V |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | Lead free / RoHS Compliant |
Key Features
- High power dissipation of 5 watts at 25°C, with derating for higher temperatures.
- Wide operating temperature range from -65°C to +150°C.
- Nonsensitive to ESD per MIL-STD-750 Method 1020.
- Withstands high surge stresses.
- Minimal changes in voltage versus current, ensuring stable voltage regulation.
- High specified maximum current (IZM) when adequately heat sunk.
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B, with no dry pack required.
- Flexible axial-lead mounting terminals.
Applications
The 1N5388B/TR12 Zener diode is suitable for various high-voltage applications, including:
- Voltage regulation in power supplies and voltage stabilizers.
- Surge protection and overvoltage protection circuits.
- Audio and RF signal processing where stable voltage references are required.
- Industrial and automotive electronics where high reliability and robustness are necessary.
Q & A
- What is the nominal Zener voltage of the 1N5388B/TR12?
The nominal Zener voltage is 200 volts.
- What is the maximum power dissipation of the 1N5388B/TR12?
The maximum power dissipation is 5 watts at 25°C.
- What is the operating temperature range of the 1N5388B/TR12?
The operating temperature range is from -65°C to +150°C.
- Is the 1N5388B/TR12 RoHS compliant?
- What is the maximum reverse leakage current at the specified voltage?
The maximum reverse leakage current is 500 nA at 144 V.
- What is the moisture sensitivity level (MSL) of the 1N5388B/TR12?
The MSL is Level 1 (Unlimited).
- Can the 1N5388B/TR12 withstand high surge stresses?
- What is the maximum dynamic impedance (Zzt) of the 1N5388B/TR12?
The maximum dynamic impedance (Zzt) is 480 Ohms.
- Is the 1N5388B/TR12 sensitive to ESD?
- What type of packaging is available for the 1N5388B/TR12?
The 1N5388B/TR12 is available in T-18 axial lead packaging and also in tape and reel (TR) format.
