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Toshiba Semiconductor RN1108,LXHF(CT — Memory (DRAM / SRAM / Flash / EEPROM)
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Toshiba Semiconductor / Memory (DRAM / SRAM / Flash / EEPROM)

RN1108,LXHF(CT NPN Pre-Biased Transistor, AEC-Q101

MPN RN1108,LXHF(CT
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Toshiba RN1108,LXHF(CT NPN pre-biased transistor, 50V Vce, 100mA Ic, 250MHz ft, R1=22kΩ R2=47kΩ, AEC-Q101, SC-75 SMD.

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[SPEC] Essential Parameters Snapshot Full Specifications (15)
Package / Case SC-75, SOT-416

Full Technical Specifications

15 Parameters
RN1108,LXHF(CT specifications
Parameter / AttributeSpecification / Value
MountingSurface Mount
FET typeNPN - Pre-Biased
Voltage - collector emitter breakdown50 V
Current - collector (Ic)100 mA
Current - collector cutoff500nA
DC current gain (hFE) (Min) @ ic, vce80 @ 10mA, 5V
Power - max100 mW
Frequency - transition250 MHz
GradeAutomotive
PackageTape & Reel (TR); Cut Tape (CT)
QualificationAEC-Q101
CaseSC-75, SOT-416
Resistor - base (R1)22 kOhms
Resistor - emitter base (R2)47 kOhms
Vce saturation (Max) @ ib, ic300mV @ 250µA, 5mA
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Technical Details & Description

Automotive-grade pre-biased NPN in a tiny SC-75 package

The bias network is built in: a 22 kΩ base resistor (R1) and a 47 kΩ emitter-base resistor (R2) set the turn-on threshold and leakage control, saving two external resistors on the board. It carries AEC-Q101 qualification, so it is qualified for automotive under-hood and chassis-domain environments where reliability screening matters. The SC-75 (SOT-416) surface-mount package fits high-density PCB layouts in engine control units, body controllers, and sensor interface modules.

Active production — no last-time-buy risk

For dual-sourcing or supply resilience, the RN1417(TE85L,F) is a functional peer — same NPN pre-biased topology, same 50 V / 100 mA rating and 250 MHz ft, but with a 10 kΩ base resistor and 4.7 kΩ emitter-base resistor, so the bias point shifts. The RN1108's 22 kΩ / 47 kΩ divider gives a higher turn-on threshold and lower base drive, which matters if your design targets a specific Ic/Ib ratio.

The Cut Tape (CT) option suits small-quantity prototyping or repair runs without committing to a full reel.

Frequently asked questions

Is the RN1108,LXHF(CT AEC-Q101 qualified for automotive use?

Yes, the RN1108,LXHF(CT carries AEC-Q101 qualification, making it suitable for automotive applications that require device-level reliability screening.

What are the base resistor (R1) and emitter-base resistor (R2) values for the RN1108?

The built-in bias resistors are 22 kΩ for the base resistor (R1) and 47 kΩ for the emitter-base resistor (R2). These values set the turn-on threshold and leakage control without external components.

What is the closest functional second-source for the RN1108?

The RN1417(TE85L,F) is a functional peer with the same NPN pre-biased topology, 50 V / 100 mA rating, and 250 MHz ft. The key difference is its bias resistors: 10 kΩ base and 4.7 kΩ emitter-base, which shift the turn-on threshold and base drive compared to the RN1108's 22 kΩ / 47 kΩ network.

What package is the RN1108 available in?

The RN1108,LXHF(CT is supplied in an SC-75 (SOT-416) surface-mount package, with the supplier device package designated SSM.

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