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MMBT3904LP-7

TRANS NPN 40V 0.2A 3DFN

제조업체다이오즈(주)
제조업체 부품 #MMBT3904LP-7
데이터시트 MMBT3904LP-7 DataSheet
패키지 DFN-3
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사양

속성	가치
Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q101
ProductStatus	Active
TransistorType	NPN
Current-Collector(Ic)(Max)	200 mA
Voltage-CollectorEmitterBreakdown(Max)	40 V
VceSaturation(Max)@IbIc	300mV @ 5mA, 50mA
DCCurrentGain(hFE)(Min)@IcVce	100 @ 10mA, 1V
Power-Max	250 mW
Frequency-Transition	300MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	3-UFDFN

개요

Description

The MMBT3904LP-7 is a general-purpose NPN bipolar junction transistor (BJT) in a compact SOT-23 package, optimized for low-power applications. Key features include:
- Voltage/Current Ratings: 40V collector-emitter voltage (V_CEO), 200mA continuous collector current (I_C).
- Low Power: Designed for energy-efficient circuits.
- High Gain: DC current gain (h_FE) typically 100–300 at 10mA.
- Fast Switching: Suitable for amplification and switching tasks.
Common uses include signal amplification, load switching, and digital logic interfaces. The "LP" suffix indicates low-power optimization, while "-7" denotes tape-and-reel packaging for automated assembly.
Alternatives: MMBT3904 (standard version), BC847.
For detailed specs, refer to the datasheet from Diodes Incorporated or other manufacturers.

Equivalent

Equivalent products to the MMBT3904LP-7 (NPN transistor, SOT-23 package) include:
- BC847B (Nexperia/ON Semi)
- 2N3904 (TO-92, but functionally similar)
- MMBT3904 (standard version, same specs)
- PMBT3904 (Nexperia, higher performance)
- KST3904 (Fairchild/ON Semi)
Check datasheets for exact parameter matches in your application.

Features

The MMBT3904LP-7 is a general-purpose NPN bipolar junction transistor (BJT) with the following key features:
- Voltage Rating: 40V collector-emitter (V_CEO), 60V collector-base (V_CBO).
- Current Rating: 200mA continuous collector current (I_C).
- Power Dissipation: 225mW (at 25°C).
- Gain (h_FE): 100–300 at 10mA collector current.
- Low Saturation Voltage: V_CE(sat) ~0.2V (I_C=10mA, I_B=1mA).
- High Speed: Transition frequency (f_T) of 300MHz.
- Package: SOT-23 (small surface-mount).
- Applications: Switching, amplification, and signal processing in low-power circuits.
It is a compact, cost-effective transistor suitable for consumer electronics, embedded systems, and portable devices.

Pinout

The MMBT3904LP-7 is a SOT-23 packaged NPN bipolar junction transistor (BJT) with 3 pins (Emitter, Base, Collector).
Key Functions:
- General-purpose amplification/switching (max 200mA collector current, 40V collector-emitter voltage).
- Low power, high-speed switching applications.
- Pinout (SOT-23):
1. Emitter (E)
2. Base (B)
3. Collector (C)
Commonly used in signal amplification, driver circuits, and digital logic.

Application

The MMBT3904LP-7 is a general-purpose NPN transistor commonly used in:
1. Switching Circuits – Fast switching for relays, LEDs, and small loads.
2. Amplification – Small-signal amplification in audio, RF, and sensor circuits.
3. Logic Inverters – Digital logic level shifting.
4. Consumer Electronics – Found in TVs, radios, and portable devices.
5. Automotive & Industrial – Low-power control applications.
Its low VCE(sat) and high current gain make it suitable for efficient, compact designs.

Package

The MMBT3904LP-7 is a SOT-23-3 (TO-236AB) surface-mount package. It is a small, three-lead plastic package commonly used for general-purpose transistors. The "LP" suffix indicates a lead-free and halogen-free version. Compact and suitable for automated assembly, it's ideal for space-constrained applications.