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BC857CLT1G

Name: BC857CLT1G
Rating: 4.7 (12 reviews)

TRANS PNP 45V 0.1A SOT23-3

製造商
製造商。部分 #BC857CLT1G
包 TO-236-3, SC-59, SOT-23-3
資料表 BC857CLT1G DataSheet
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規格

Supplier	onsemi
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
TransistorType	PNP
Current-Collector(Ic)(Max)	100 mA
Voltage-CollectorEmitterBreakdown(Max)	45 V
VceSaturation(Max)@IbIc	650mV @ 5mA, 100mA
Current-CollectorCutoff(Max)	15nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce	420 @ 2mA, 5V
Power-Max	300 mW
Frequency-Transition	100MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

BC857CLT1G is a small-signal PNP transistor in the BC857 family, used for general-purpose amplification and switching in low-power circuits. The CLT1G suffix identifies a specific RoHS-compliant SMD variant/packaging code (typically SOT-23) from the manufacturer.
Key points:
- Type: PNP transistor (complement of BC847/BC807)
- Package: SMD (SOT-23), RoHS-compliant variant
- Voltage/current ratings: typically Vceo up to ~45 V, Ic up to ~100 mA
- Power: around a few hundred milliwatts per device
- Gain: hFE depends on grade (A/B/C) and collector current; broad range (roughly 100–800)
- E-B breakdown: Vebo ≈ 5 V
- Applications: small-signal amplification, switching, level shifting, sensor interfacing
Note: For exact parameters (especially related to the CLT1G code), consult the specific manufacturer's datasheet.

Features

BC857CLT1G features:
- PNP general-purpose transistor in SOT-23
- Vceo: 45 V; Ic max: 100 mA
- Gain group C (high gain): hFE roughly 420–800 (at typical test conditions)
- Packaging: Tape & Reel (T1G), RoHS-compliant/lead-free
- Temperature range: -55°C to +150°C
- Complementary to BC847; suitable for small-signal switching and amplification in audio, sensor, and general circuits.

Package

The BC857CLT1G is a surface-mount PNP transistor in a SOT-23 (TO-236AA) 3-lead package.

Pinout

BC857CLT1G is a 3‑pin PNP small‑signal transistor in a SOT‑23 (TO‑236AB) package. Pinout (looking at the flat face, pins down, left→right):
- Pin 1: Emitter
- Pin 2: Base
- Pin 3: Collector
Function: general‑purpose PNP transistor for switching and amplification. (Always verify the exact pin mapping in the manufacturer’s datasheet for your part lot.)

Manufacturer

- Manufacturer: Nexperia.
- What kind of company: A global semiconductor company that designs and manufactures discrete semiconductors (e.g., transistors like BC857), diodes, MOSFETs, and related components.

Application

BC857CLT1G is a general‑purpose PNP small‑signal transistor. Common uses include switching and amplification in compact circuits: high‑side switching, level shifting, bias/pull‑up networks, and emitter‑follower or common‑emitter stages. Suitable for small‑signal audio, sensor interfaces, instrumentation, and portable/consumer electronics.

Equivalent

BC857CLT1G is a SOT-23 PNP general‑purpose transistor (BC857C). Equivalents:
- BC857A, BC857B (same BC857 family, different gain ranges)
- Cross-substitutes in SOT-23: MMBT3906, PMBT3906 (PNP, ~40–45V, ~100–200 mA)
- Other BC8xx family options: BC856 (PNP, similar ratings; use if gain variations ok)
Note: LT,1G designator means lead-free, tape-and-reel packaging.