PBYR45CT - Dual, Low Leakage, Platinum Barrier Diode

Overview

The PBYR45CT is a high-performance, dual, low leakage diode featuring a platinum barrier construction. Designed for precision applications, this component offers exceptional reverse leakage characteristics and fast switching performance. Its dual-diode configuration makes it suitable for circuits requiring matched diode pairs or redundant diode paths.

With its platinum barrier technology, the PBYR45CT provides superior reliability and stable electrical characteristics across a wide temperature range. The device is particularly well-suited for sensitive analog circuits, precision rectification, and high-impedance applications where minimal leakage current is critical.

Features

• Dual diode configuration in single package
• Ultra-low reverse leakage current
• Platinum barrier construction for enhanced reliability
• Fast switching characteristics
• Matched pair performance (for dual diodes)
• Excellent temperature stability
• Low forward voltage drop
• High surge current capability

Applications

The PBYR45CT is designed for use in demanding electronic applications where precision and reliability are paramount:

• Precision analog circuits
• Sample-and-hold circuits
• High-impedance sensor interfaces
• Medical instrumentation
• Test and measurement equipment
• Signal conditioning circuits
• Protection circuits
• Battery management systems
• High-reliability military/aerospace systems

Electrical Characteristics

All specifications are measured at 25°C unless otherwise noted.

Absolute Maximum Ratings

• Maximum repetitive reverse voltage: 45V
• Maximum RMS voltage: 32V
• Maximum average forward current: 200mA per diode
• Peak forward surge current: 1A (non-repetitive)
• Operating junction temperature range: -55°C to +150°C
• Storage temperature range: -55°C to +150°C

Typical Electrical Characteristics

• Forward voltage drop (IF = 10mA): 0.72V typical
• Reverse leakage current (VR = 45V): 5nA maximum at 25°C
• Reverse leakage current (VR = 45V): 1μA maximum at 150°C
• Junction capacitance (VR = 0V, f = 1MHz): 4pF typical
• Reverse recovery time (IF = 10mA, IR = 10mA): 4ns typical
• Thermal resistance, junction to ambient: 150°C/W

Package Information

The PBYR45CT is available in a compact SOT-23 surface-mount package, offering excellent thermal and electrical performance in minimal board space.

Package Dimensions (SOT-23)

• Package type: SOT-23 (TO-236AB)
• Total height: 1.0mm maximum
• Body width: 1.3mm typical
• Body length: 2.9mm typical
• Lead pitch: 0.95mm
• Termination: Matte tin-plated leads
• Moisture sensitivity level (MSL): MSL1 (unlimited floor life)

Marking Information

The device is marked with a unique identification code on the top surface of the package:

• First line: Manufacturer logo
• Second line: "45C" device code
• Third line: Date/lot code

Reliability and Qualification

The PBYR45CT meets or exceeds the following reliability standards:

• JEDEC JESD22-A104 (Temperature Cycling)
• JEDEC JESD22-A101 (Steady-State Temperature Humidity Bias Life Test)
• JEDEC JESD22-A110 (Highly Accelerated Temperature and Humidity Stress Test)
• MIL-STD-883 Method 3015 (Salt Atmosphere)

Handling and Storage

For optimal performance and reliability, observe the following handling precautions:

• Store in dry, non-corrosive environment
• Use appropriate ESD precautions during handling
• Follow recommended reflow profile for surface mount assembly
• Avoid mechanical stress on package during assembly

Design Considerations

When designing with the PBYR45CT, consider the following:

• For high-frequency applications, minimize parasitic inductance in layout
• In precision circuits, maintain clean power supplies to prevent noise coupling
• For high-temperature operation, consider thermal management techniques
• In matched pair applications, ensure symmetrical layout for both diodes

Ordering Information

The PBYR45CT is available in several packaging options:

• PBYR45CT: Tape and reel, 3000 units per reel
• PBYR45CT-7: Cut tape, 100 units per segment
• PBYR45CTD: Sample pack, 25 units

Environmental Compliance

The PBYR45CT complies with the following environmental standards:

• RoHS 3 (2015/863/EU) compliant
• REACH SVHC compliant
• Halogen-free

Revision History

Document revision 1.0: Initial release with complete specifications and characteristics.