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Product Detailed Parameters
- Description：BIASED BJT SOT23 NPN 4.7KOHM
- Series：-
- Mfr：Diotec Semiconductor
- 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)：4.7 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3 (TO-236)
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Overview
The MMBTRC119SS is a surface-mount digital NPN transistor from Diotec Semiconductor, housed in an SOT-23 (TO-236) package. It integrates bias resistors to simplify circuit design and reduce component count. Key electrical ratings include a maximum output voltage of 50 V, a continuous output current of 100 mA, and a power dissipation of 200 mW. The device operates within a junction temperature range of -55°C to +150°C. Electrical characteristics specify a minimum DC current gain (GI) of 30 at VO = 5 V and IO = 10 mA. The integrated resistor combination consists of R1 = 4.7 kΩ and R2 = 10 kΩ.
Feature Summary
- Integrates bias resistor combinations for cost and space savings
- Compliant with RoHS (without exemption), REACH, and Conflict Minerals regulations
Applications
- Digital controls
- Switching applications
- Signal processing
Procurement Notes
Verify the specific suffix when ordering. The base part number MMBTRC119SS denotes the standard commercial grade version. Suffixes such as -Q indicate AEC-Q101 compliance, while -AQ indicates AEC-Q101 qualification. Confirm the required automotive or commercial grade matches the project specifications before procurement.
Selection Notes
Select this component for NPN switching tasks requiring integrated base biasing. Ensure the input voltage limits (-7 V to +20 V) are respected for the specific variant. Verify that the 100 mA collector current and 200 mW power dissipation meet the load requirements. Check if the standard commercial grade suffices or if AEC-Q101 qualified versions are necessary for automotive environments.
Part Context
This component belongs to the MMBTRC116SS through MMBTRC121SS series of SMD digital NPN transistors. All members share identical mechanical dimensions, maximum ratings, and package type (SOT-23). They differ primarily in their internal resistor ratios (R1/R2) and resulting input characteristics, allowing designers to choose the optimal bias configuration without changing the footprint.
Replacement Considerations
Other parts within the MMBTRC116SS...MMBTRC121SS series can replace this unit if the resistor ratio differs but fits the circuit needs. Cross-manufacturer equivalents must be verified against the 50 V rating, 100 mA current limit, and SOT-23 package constraints.
