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Product Detailed Parameters
- Description：BIASED BJT SOT-23 NPN 2200OHM
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- 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)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：33 @ 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 MMBTRC118SS 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. Key electrical parameters include a maximum output voltage of 50 V and a continuous output current of 100 mA. The device supports a power dissipation of 200 mW at 25°C ambient temperature and operates within a junction temperature range of -55°C to +150°C. The built-in resistor combination consists of R1 = 2.2 kΩ and R2 = 10 kΩ. DC current gain (GI) is specified with a minimum value of 33 at VO = 5 V and IO = 10 mA.
Feature Summary
- Integrates bias resistor combinations to reduce component count and save space
- Compliant with RoHS directives without exemptions and REACH regulations
- Supports standard surface mount assembly conditions
Applications
- Digital controls
- Switching applications
- Signal processing
Procurement Notes
Verify the specific suffix when ordering. The base model MMBTRC118SS represents the commercial grade version. If automotive qualification is required, confirm whether the -Q or -AQ suffix is necessary for AEC-Q101 compliance or qualification respectively. Ensure the final part number matches the exact reliability grade needed for the target application environment.
Selection Notes
Select this component for circuits requiring a single NPN digital transistor with a 2.2 kΩ input resistor and a 10 kΩ emitter-base resistor. Verify that the 50 V collector-emitter voltage and 100 mA current ratings meet the load requirements. Consider the transition frequency of 250 MHz for high-speed switching needs. Confirm thermal management capabilities for the 200 mW power dissipation limit under operating conditions.
Part Context
This component belongs to the MMBTRC series of SMD digital NPN transistors manufactured by Diotec Semiconductor. The series includes various resistor combinations ranging from MMBTRC116SS to MMBTRC121SS. All variants share the same SOT-23 package and core electrical characteristics, differing primarily in their internal bias resistor values to suit different logic interface requirements.
Replacement Considerations
Check for direct equivalents from other manufacturers offering NPN digital transistors in SOT-23 packages with similar 2.2 kΩ/10 kΩ resistor ratios. Verify pinout compatibility and ensure replacement parts meet the 50 V / 100 mA specifications.
