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MMBT3906LT1

Name: MMBT3906LT1
Rating: 4.7 (12 reviews)

TRANS PNP 40V 200MA SOT23

제조업체
Mfr.부분 #MMBT3906LT1
패키지 TO-236-3, SC-59, SOT-23-3
데이터시트 MMBT3906LT1 DataSheet
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사양

Supplier	Rochester Electronics, LLC
Package	Bulk
ProductStatus	Obsolete
TransistorType	PNP
Current-Collector(Ic)(Max)	200 mA
Voltage-CollectorEmitterBreakdown(Max)	40 V
VceSaturation(Max)@IbIc	400mV @ 5mA, 50mA
DCCurrentGain(hFE)(Min)@IcVce	100 @ 10mA, 1V
Power-Max	225 mW
Frequency-Transition	250MHz
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

개요

Description

MMBT3906LT1 is a general‑purpose PNP bipolar transistor in the SOT‑23 (MMBT) package. It’s the SMD counterpart of the 2N3906 and is used for low‑power switching and small‑signal amplification.
Key points
- Type: PNP transistor; emitter must be more positive than the base.
- Package: SOT‑23; pinout (flat face toward you) typically Pin1 = Emitter, Pin2 = Base, Pin3 = Collector.
- Ratings (typical): Vceo ≈ 40 V; Ic up to ~200 mA; gain (hFE) ~100–300.
- Complement: MMBT3904 (NPN).
- Applications: high‑side switching, level shifting, small‑signal amplification, sensor interfaces.
- Use note: drive the base through a resistor; the device fills a few hundred milliwatts of dissipation and should be selected with the exact datasheet for precise ratings.
If you need exact electrical specs for your trace, check the specific datasheet variant, as there are several manufacturers with similar part numbers.

Features

MMBT3906LT1 is a PNP, general‑purpose transistor in a SOT‑23 package. Key features:
- PNP small-signal transistor, complementary to MMBT3904
- VCEO = -40 V; IC = -200 mA (continuous)
- High DC gain: hFE typically 100–300
- Suitable for switching and amplification of small signals
- Pb‑free, RoHS compliant; available in tape‑and‑reel
- Temperature range: -55°C to +150°C
- Low noise and low saturation voltage in switching applications
用途 تشمل general-purpose switching/amplification in compact, surface-mount designs.

Package

The MMBT3906LT1 is supplied in a 3-pin SOT-23 surface-mount package (TO-236AB).

Pinout

- Pin count: 3 (SOT-23 package).
- Function: PNP small‑signal bipolar junction transistor used for general‑purpose switching and amplification.
- Pinout (SOT‑23, looking at flat face with leads down): Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector.

Manufacturer

- Manufacturer: ON Semiconductor (ON Semiconductor, Inc.).
- What kind of company: An American multinational semiconductor company that designs and manufactures silicon-based devices, including discrete transistors, diodes, ICs, and power management solutions.

Application

MMBT3906LT1 is a general-purpose PNP transistor (SOT-23) used for small-signal amplification and switching. Typical applications:
- High-side switching and level shifting
- Signal amplification in audio, driver, and RF front-ends
- Complement to NPN MMBT3904 in push-pull or biased stages
- Biasing networks, regulators, and constant-current sources
- Switching and pulse circuits (fast turn-on/off in low-power applications)

Equivalent

Direct equivalents (PNP small-signal transistor) include:
- 2N3906 (TO-92)
- MMBT3906 (SOT-23)
- PMBT3906 / PMBT3906LT1 (SOT-23)
- FMMT3906 (SOT-23)
- BC856 / BC856A (SMD PNP general-purpose)
Note: check pinout and ratings per manufacturer, as package and gains can vary.