MMBT3906LT1

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MMBT3906LT1

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TRANS PNP 40V 200MA SOT23

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Especificações

Atributo Valor
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

Visão Geral

Description

MMBT3906LT1 is a small-signal PNP transistor in an SOT-23 (MMBT) package. It serves as a general-purpose switch and low‑power amplifier, complementary to the MMBT3904 NPN.
Key specs (typical, vary by vendor):
- Vceo: about -40 V
- Ic: up to ~200 mA
- Power dissipation: ~200 mW
- Gain (hFE): roughly 100–300 over operating currents
Pinout (SOT-23, flat face toward you): Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector (E–B–C in order). Always verify with the specific datasheet, as pinouts can vary by manufacturer.
How it’s used:
- Emitter must be at higher potential than the base by ~0.6–0.7 V to forward-bias the E–B junction.
- Commonly used for high-side switching or small-signal amplification in low-power circuits.
Applications include general-purpose switching, signal amplification, and protection circuits. Note: consult the exact datasheet for your lot to confirm ratings and pin configuration.

Equivalent

Equivalent parts to MMBT3906LT1 (PNP, SOT-23) include:
- MMBT3906 / MMBT3906LT1G (On Semiconductor)
- PMBT3906 (NXP)
- BC856 / BC856A / BC856B (PNP in SOT-23)
- 2N3906 (through-hole)
Note: pinouts vary by package/vendor; verify datasheets before substitution.

Features

Here are the key features of MMBT3906LT1 (PNP transistor, SOT-23):
- PNP silicon transistor in an SOT-23 package (MMBT series)
- Vceo: -40 V; Ic: -200 mA (continuous)
- Vcbo: -60 V; Vebo: -5 V (breakdown voltages)
- DC current gain (hFE): typically 100–300 (depends on Ic)
- Vce(sat): ~0.2–0.4 V at Ic ≈ 10 mA with appropriate base drive
- Suitable for general-purpose switching and amplification
- Complementary to MMBT3904 (NPN)
Note: values are typical and can vary by lot and operating conditions.

Pinout

Pin count: 3 (SOT-23 package). Function: MMBT3906LT1 is a PNP small-signal transistor used for switching and amplification. Pinout (looking at the flat face): Pin 1 Emitter, Pin 2 Base, Pin 3 Collector.

Manufacturer

- Manufacturer: ON Semiconductor (ON Semiconductor Corporation).
- What kind of company: A global American semiconductor company that designs and manufactures energy-efficient discrete devices (like transistors and diodes) and integrated circuits for automotive, industrial, communications, and consumer electronics.

Application

MMBT3906LT1 is a general‑purpose, small‑signal PNP transistor (SOT‑23). Common uses:
- Low‑power switching and amplification in analog/digital circuits
- High‑side switching and pull‑ups in TTL/CMOS interfaces
- Level shifting and buffering for sensors and microcontrollers
- Input/output stages in small signal detectors and audio preamps
- Driving small loads (LEDs, tiny relays) and as part of complementary pairs with NPN transistors
Typical ratings (approx.): Vce up to ~40 V, Ic up to ~200 mA; suitable for many standard signal‑level applications.

Package

SOT-23 3-pin surface-mount package (Pb-free/RoHS-compliant).

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