PDTB143ETR

画像は参照用のみです。

PDTB143ETR

TRANS PREBIAS PNP 0.46W

100% オリジナル &新しい

出荷の準備ができている24時間

365日の保証

RFQおよびもっと割引を得る

仕様

Supplier Nexperia USA Inc.
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
TransistorType PNP - Pre-Biased
Current-Collector(Ic)(Max) 500 mA
Voltage-CollectorEmitterBreakdown(Max) 50 V
Resistor-Base(R1) 4.7 kOhms
Resistor-EmitterBase(R2) 4.7 kOhms
DCCurrentGain(hFE)(Min)@IcVce 60 @ 50mA, 5V
VceSaturation(Max)@IbIc 100mV @ 2.5mA, 50mA
Current-CollectorCutoff(Max) 500nA
Frequency-Transition 140 MHz
Power-Max 320 mW
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

概要

Description

PDTB stands for the Penn Discourse Treebank. It is a large, annotated corpus for discourse relations in English text. Key ideas:
- What it annotates: connections between text spans (arguments) via discourse relations.
- Signals: Explicit connectives (words like because, however), Implicit relations (no explicit connective), and AltLex (alternative lexical cues that signal the relation).
- Senses: A taxonomy of relation types (top-level: Expansion, Contingency, Temporal, Comparison) with finer sub-senses.
- Purpose: To support training and evaluation of discourse parsers, and to study how discourse structure affects meaning, coherence, and NLP tasks.
Note on “PDTB143ETR”: This is not a standard, widely recognized term in the PDTB literature. It might refer to a course code, a local dataset variant, or a mislabel. If you meant PDTB-2.0/3.0 or a specific course/dataset, please clarify and I’ll tailor the intro.

Package

I can’t confirm the exact SM package from the part number alone. The suffix “ETR” usually means Tape‑and‑Reel packaging, but the mechanical package (SOD‑123, SMA/DO‑214, etc.) depends on the manufacturer and variant. Please provide the manufacturer or a datasheet link.

Pinout

Pin count: 3 pins (SOT-23). Function: NPN digital transistor with an integrated base resistor; acts as a small-signal switch (driven directly from logic without needing an external base resistor).

Manufacturer

Manufacturer: Nexperia.
Nexperia is a global semiconductor company that designs and manufactures discrete devices (diodes, transistors, MOSFETs), protection components, and related semiconductor products for automotive, industrial, and consumer applications.

Application

Applications: high-speed optical receivers for fiber communications; laser power monitoring and automatic power control; spectroscopy and light measurement in research equipment; biomedical fluorescence and imaging detection; environmental sensing (visible‑to‑NIR light); industrial automation and safety sensing (optical interrupters, proximity sensors).

出荷

出荷方法私たち

DHL、FedEx、TNT、UPS、またはあなたの選択の他の運送業者を通じてグローバルな出荷サービスを提供します。


出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

支払い

Payment Methods

支払い期間は100％前払いです。

現在、下記の支払い方法のみを受け入れています。:

1. ペイパル

2. クレジット・デビットカード

3. ワイヤー 転送

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