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Product Detailed Parameters
- Description：TRANS 2NPN 40V 20MA TO-78-6
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Transistor Type：2 NPN (Dual)
- Current - Collector (Ic) (Max)：20mA
- Voltage - Collector Emitter Breakdown (Max)：40V
- Vce Saturation (Max) @ Ib, Ic：100mV @ 100µA, 1mA
- Current - Collector Cutoff (Max)：200pA
- DC Current Gain (hFE) (Min) @ Ic, Vce：500 @ 1mA, 40V
- Power - Max：500mW
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-78-6 Metal Can
- Supplier Device Package：TO-78-6
- Grade：-
- Qualification：-
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Overview
The MAT02BH is a low-noise, matched dual monolithic NPN transistor manufactured by Analog Devices Inc. It utilizes the Precision Monolithics Silicon Nitride Triple Passivation process to stabilize critical device parameters across wide temperature and time ranges. Key electrical specifications include a maximum offset voltage of 50 µV, a minimum DC current gain (hFE) of 500 at IC = 1 mA, and a maximum offset voltage drift of 0.1 µV/°C. The component features an excellent log conformance with rBE approximately equal to 0.3 Ω.
Feature Summary
- Optimized for very low noise performance and minimal thermal drift
- High current gain maintained over a wide range of collector currents
- Stabilized device parameters ensured by exclusive silicon nitride triple passivation technology
Applications
- Precision instrumentation amplifier inputs
- Low-noise audio preamplifier stages
- High-accuracy differential signal processing circuits
Procurement Notes
Verify the specific suffix BH against official Analog Devices documentation to confirm binning or tolerance grades. Ensure compatibility with TO-78-6 through-hole mounting requirements during integration. Cross-reference datasheet revisions to confirm parameter stability and manufacturing origin details before finalizing supply chain agreements.
Selection Notes
Select this component when ultra-low input offset voltage and high matching accuracy are required in dual transistor configurations. Consider the TO-78 package constraints for board layout. Evaluate the 500 hFE minimum requirement against circuit biasing needs to ensure sufficient gain without excessive base current draw in precision analog applications.
Part Context
The MAT02 series belongs to Analog Devices' Precision Monolithics line, designed specifically for high-performance analog signal conditioning. It serves as an improved direct replacement for legacy LM194/LM394 devices. The MAT02BH variant shares the core low-noise architecture but may feature specific gain or offset voltage binning defined by the manufacturer's quality control standards.
Replacement Considerations
Officially documented as an improved direct replacement for LM194 and LM394 equivalents. Verify pinout compatibility and package dimensions before substituting into existing designs to ensure mechanical fit and electrical interface alignment.
