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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.1A MINI3
- 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)：47 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 300µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：150 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：Mini3-G1
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Overview
The Panasonic UNR221D00L is a Silicon NPN epitaxial planar transistor with built-in bias resistors, designed for digital circuits. It features a Mini3-G1 (SC-59) package with three terminals: Base (Pin 1), Emitter (Pin 2), and Collector (Pin 3). The device has a maximum collector-emitter voltage of 50 V and a maximum collector current of 100 mA. Internal resistance values are R1 = 47 kΩ and R2 = 10 kΩ. Key electrical characteristics include a minimum forward current transfer ratio (hFE) of 30 at IC = 10 mA, VCE = 10 V, and a transition frequency (fT) of 150 MHz.
Feature Summary
- Integrates an NPN transistor with two internal bias resistors to reduce component count and board space.
- Utilizes a compact SC-59 surface-mount package suitable for automated assembly processes.
Applications
- Digital logic interface circuits
- Switching applications in general electronic equipment
- Signal level translation
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to confirm exact resistance ratios and hFE rankings. Confirm RoHS compliance status and lifecycle stage, as maintenance or discontinuation notices may apply. Ensure ordering specifications match the required electrical parameters for the target application.
Selection Notes
Select this component when a single NPN transistor with fixed bias resistors is required for digital switching. Verify that the internal resistor values (47 kΩ and 10 kΩ) align with the circuit design requirements. Check the hFE ranking and transition frequency if high-speed performance is critical for the application.
Part Context
This component belongs to the UNR221x Series, which includes various combinations of NPN transistors and built-in resistors. The series is manufactured by Panasonic Electronic Components and is intended for standard digital circuit applications. Other variants in the series differ primarily in internal resistance values and hFE gain rankings.
Replacement Considerations
Consult the manufacturer's datasheet for direct cross-references within the UNR221x series. Verify compatibility with alternative composite devices from other manufacturers by matching absolute maximum ratings, pin configurations, and internal resistance values.
FAQ
What are the internal resistance values for the UNR221D?
The UNR221D contains a base resistor (R1) of 47 kΩ and an emitter resistor (R2) of 10 kΩ.
What is the maximum power dissipation of the UNR221D?
The total power dissipation (PT) is rated at 200 mW at an ambient temperature of 25°C.
What is the transition frequency (fT) of this device?
The transition frequency is specified as 150 MHz under conditions of VCB = 10 V and IE = -2 mA.
