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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SMINI3
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：2.2 kOhms
- Resistor - Emitter Base (R2)：2.2 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：6 @ 6mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 1.5mA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：150 MHz
- Power - Max：150 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SMini3-G1
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Overview
The UNR521V00L is a Silicon NPN epitaxial planar transistor with built-in bias resistors, designed for digital circuits. It features an S-Mini3-G1 (SC-70) package with three terminals: Base, Emitter, and Collector. The device has a maximum collector-emitter voltage of 50 V and a collector current rating of 100 mA. Internal resistance values are R1 = 2.2 kΩ and R2 = 2.2 kΩ, resulting in a ratio of 1.0. Forward current transfer ratio (hFE) ranges from 6 to 20 at IC = 5 mA. Total power dissipation is 150 mW.
Feature Summary
- Integrates two bias resistors within a single compact package to reduce component count and equipment size.
- Utilizes an S-Mini type package compatible with automatic insertion via tape or magazine packing.
Applications
- Digital logic circuits
- Switching applications
- General electronic equipment
Procurement Notes
Verify the specific suffix 'V' against official Panasonic documentation to confirm the internal resistor configuration matches the required design specifications. Check the manufacturer's website for the latest lifecycle status, as this series may be subject to maintenance or discontinuation plans.
Selection Notes
Select this component when a low-profile NPN transistor with integrated base and pull-down/pull-up resistors is needed. Ensure the 2.2 kΩ / 2.2 kΩ resistor ratio aligns with the circuit's drive requirements. Confirm that the SC-70 package dimensions fit the available PCB space.
Part Context
This part belongs to the UNR521x Series, which includes various combinations of NPN transistors with different built-in resistor ratios. The 'V' suffix specifically denotes the 2.2 kΩ / 2.2 kΩ configuration. Other variants in the series offer different resistance values such as 10 kΩ or 47 kΩ to suit diverse digital interface needs.
Replacement Considerations
Direct substitutes include other UNR521V parts from different manufacturers if pin-compatible. Verify that any replacement maintains the same 2.2 kΩ / 2.2 kΩ resistor ratio and SC-70 package footprint to ensure mechanical and electrical compatibility.
