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START405TR, START420, START420ETR

START405TR, START420, START420ETR Selling Leads, Datasheet

MFG:STMicroelectronics  Category:Discrete Semiconductor Products  Package Cooled:SOT343  D/C:07+PB

START405TR Picture

START405TR, START420, START420ETR Datasheet download

Five Points

Part Number: START405TR

Category: Discrete Semiconductor Products

MFG: STMicroelectronics

Package Cooled: SOT343

D/C: 07+PB

Description: TRANS RF NPN SILICON SOT-343

 

 
 
 
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  • STA001

  • Vendor: ST Pack: QFP D/C: 07+& Qty: 25000  Adddate: 2026-04-17
  • Inquire Now
  • Jet Electronics Co., Ltd   China
    Contact: Mr.Jet Chan   MSN:jetlielec@hotmail.com
    Tel: 86-754-84445458
    Fax: 86-754-84445458
    (27)

  • STA001

  • Vendor: ST Pack: QFP D/C: 07+& Qty: 22066 Note: New&Original,stock on hand  Adddate: 2026-04-17
  • Inquire Now
  • Topchip Electronic Asia Limited   China
    Contact: Ms.lilyxie   MSN:coco2399@hotmail.com
    Tel: 86-0755-82565558
    Fax: 86-0755-83741117
    (248)

  • STA003T

  • Vendor: ST Pack: SO D/C: 01+& Qty: 23 Note: IN STOCK  Adddate: 2026-04-17
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  • Trustful International Co.,Ltd   China
    Contact: Ms.MiggieLo   MSN:sale@hktrustful.com
    Tel: 86-755-3306-2583
    Fax: 86-755-3306-2583
    (0)

  • STA003T

  • Vendor: ST Pack: SOP D/C: 08+& Qty: 2400 Note: hot offer,special price  Adddate: 2026-04-17
  • Inquire Now
  • Easywin electronics enterprise Ltd.   China
    Contact: Mr.Leonlu   MSN:fieleon@hotmail.com
    Tel: 0086-0755-82544219
    Fax: 0086-0755-82544202
    (0)

  • STA013

  • Vendor: ST D/C: 00+& Qty: 100  Adddate: 2026-04-17
  • Inquire Now
  • extra technology limited   China
    Contact: Mr.BecksBao   MSN:baoyaming221@hotmail.com
    Tel: 86-010-62670478
    Fax: 86-010-62670458
    (0)

  • STA013

  • Vendor: ST Pack: SOP D/C: 03+& Qty: 250  Adddate: 2026-04-17
  • Inquire Now
  • YOUWEI ELECTRONICS CO., Ltd   China
    Contact: Mr.JACKHU   MSN:youweidz@hotmail.com
    Tel: 86-0755-33062827
    Fax: 86-0755-33062897
    (1)

  • STA013

  • Vendor: ST Pack: SO D/C: 02+& Qty: 490 Note: IN STOCK  Adddate: 2026-04-17
  • Inquire Now
  • Trustful International Co.,Ltd   China
    Contact: Ms.MiggieLo   MSN:sale@hktrustful.com
    Tel: 86-755-3306-2583
    Fax: 86-755-3306-2583
    (0)

  • STA013

  • Vendor: ST D/C: 01+& Qty: SOP  Adddate: 2026-04-17
  • Inquire Now
  • V-2 International Co.,Ltd   China
    Contact: Ms.VinniaXia   MSN:vinniaxia@hotmail.com
    Tel: 852-852-27592923
    Fax: 86-0755-83370588
    (0)

About START405TR

PDF/DataSheet Download

Datasheet: START405TR

File Size: 72304 KB

Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Download : Click here to Download

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START420 Suppliers

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  • STA001

  • Vendor: ST Pack: QFP D/C: 07+& Qty: 25000  Adddate: 2026-04-17
  • Inquire Now
  • Jet Electronics Co., Ltd   China
    Contact: Mr.Jet Chan   MSN:jetlielec@hotmail.com
    Tel: 86-754-84445458
    Fax: 86-754-84445458
    (27)

  • STA001

  • Vendor: ST Pack: QFP D/C: 07+& Qty: 22066 Note: New&Original,stock on hand  Adddate: 2026-04-17
  • Inquire Now
  • Topchip Electronic Asia Limited   China
    Contact: Ms.lilyxie   MSN:coco2399@hotmail.com
    Tel: 86-0755-82565558
    Fax: 86-0755-83741117
    (248)

  • STA003T

  • Vendor: ST Pack: SO D/C: 01+& Qty: 23 Note: IN STOCK  Adddate: 2026-04-17
  • Inquire Now
  • Trustful International Co.,Ltd   China
    Contact: Ms.MiggieLo   MSN:sale@hktrustful.com
    Tel: 86-755-3306-2583
    Fax: 86-755-3306-2583
    (0)

  • STA003T

  • Vendor: ST Pack: SOP D/C: 08+& Qty: 2400 Note: hot offer,special price  Adddate: 2026-04-17
  • Inquire Now
  • Easywin electronics enterprise Ltd.   China
    Contact: Mr.Leonlu   MSN:fieleon@hotmail.com
    Tel: 0086-0755-82544219
    Fax: 0086-0755-82544202
    (0)

  • STA013

  • Vendor: ST D/C: 00+& Qty: 100  Adddate: 2026-04-17
  • Inquire Now
  • extra technology limited   China
    Contact: Mr.BecksBao   MSN:baoyaming221@hotmail.com
    Tel: 86-010-62670478
    Fax: 86-010-62670458
    (0)

  • STA013

  • Vendor: ST Pack: SOP D/C: 03+& Qty: 250  Adddate: 2026-04-17
  • Inquire Now
  • YOUWEI ELECTRONICS CO., Ltd   China
    Contact: Mr.JACKHU   MSN:youweidz@hotmail.com
    Tel: 86-0755-33062827
    Fax: 86-0755-33062897
    (1)

  • STA013

  • Vendor: ST Pack: SO D/C: 02+& Qty: 490 Note: IN STOCK  Adddate: 2026-04-17
  • Inquire Now
  • Trustful International Co.,Ltd   China
    Contact: Ms.MiggieLo   MSN:sale@hktrustful.com
    Tel: 86-755-3306-2583
    Fax: 86-755-3306-2583
    (0)

  • STA013

  • Vendor: ST D/C: 01+& Qty: SOP  Adddate: 2026-04-17
  • Inquire Now
  • V-2 International Co.,Ltd   China
    Contact: Ms.VinniaXia   MSN:vinniaxia@hotmail.com
    Tel: 852-852-27592923
    Fax: 86-0755-83370588
    (0)

About START420

PDF/DataSheet Download

Datasheet: START420

File Size: 63623 KB

Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Download : Click here to Download

Related PDF Download

Related Part Number

START420ETR Suppliers

More START420ETR Suppliers

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  • STA001

  • Vendor: ST Pack: QFP D/C: 07+& Qty: 25000  Adddate: 2026-04-17
  • Inquire Now
  • Jet Electronics Co., Ltd   China
    Contact: Mr.Jet Chan   MSN:jetlielec@hotmail.com
    Tel: 86-754-84445458
    Fax: 86-754-84445458
    (27)

  • STA001

  • Vendor: ST Pack: QFP D/C: 07+& Qty: 22066 Note: New&Original,stock on hand  Adddate: 2026-04-17
  • Inquire Now
  • Topchip Electronic Asia Limited   China
    Contact: Ms.lilyxie   MSN:coco2399@hotmail.com
    Tel: 86-0755-82565558
    Fax: 86-0755-83741117
    (248)

  • STA003T

  • Vendor: ST Pack: SO D/C: 01+& Qty: 23 Note: IN STOCK  Adddate: 2026-04-17
  • Inquire Now
  • Trustful International Co.,Ltd   China
    Contact: Ms.MiggieLo   MSN:sale@hktrustful.com
    Tel: 86-755-3306-2583
    Fax: 86-755-3306-2583
    (0)

  • STA003T

  • Vendor: ST Pack: SOP D/C: 08+& Qty: 2400 Note: hot offer,special price  Adddate: 2026-04-17
  • Inquire Now
  • Easywin electronics enterprise Ltd.   China
    Contact: Mr.Leonlu   MSN:fieleon@hotmail.com
    Tel: 0086-0755-82544219
    Fax: 0086-0755-82544202
    (0)

  • STA013

  • Vendor: ST D/C: 00+& Qty: 100  Adddate: 2026-04-17
  • Inquire Now
  • extra technology limited   China
    Contact: Mr.BecksBao   MSN:baoyaming221@hotmail.com
    Tel: 86-010-62670478
    Fax: 86-010-62670458
    (0)

  • STA013

  • Vendor: ST Pack: SOP D/C: 03+& Qty: 250  Adddate: 2026-04-17
  • Inquire Now
  • YOUWEI ELECTRONICS CO., Ltd   China
    Contact: Mr.JACKHU   MSN:youweidz@hotmail.com
    Tel: 86-0755-33062827
    Fax: 86-0755-33062897
    (1)

  • STA013

  • Vendor: ST Pack: SO D/C: 02+& Qty: 490 Note: IN STOCK  Adddate: 2026-04-17
  • Inquire Now
  • Trustful International Co.,Ltd   China
    Contact: Ms.MiggieLo   MSN:sale@hktrustful.com
    Tel: 86-755-3306-2583
    Fax: 86-755-3306-2583
    (0)

  • STA013

  • Vendor: ST D/C: 01+& Qty: SOP  Adddate: 2026-04-17
  • Inquire Now
  • V-2 International Co.,Ltd   China
    Contact: Ms.VinniaXia   MSN:vinniaxia@hotmail.com
    Tel: 852-852-27592923
    Fax: 86-0755-83370588
    (0)

About STA001

PDF/DataSheet Download

Datasheet: STA001

File Size: 237395 KB

Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Download : Click here to Download

Related PDF Download

Related Part Number

START405TR Parameters

Technical/Catalog InformationSTART405TR
VendorSTMicroelectronics
CategoryDiscrete Semiconductor Products
Frequency - Transition-
Noise Figure (dB Typ @ f)1.1dB @ 1.8GHz
Current - Collector (Ic) (Max)10mA
DC Current Gain (hFE) (Min) @ Ic, Vce160 @ 5mA, 4V
Transistor TypeNPN
Voltage - Collector Emitter Breakdown (Max)4.5V
Gain17.4dB
Power - Max45mW
Compression Point (P1dB)5dBm
Package / CaseSC-70-4, SC-82AB, SOT-323-4, SOT-343
PackagingTape & Reel (TR)
Drawing Number*
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names START405TR
START405TR

START420 General Description

The START420 is a member of the START family that provide market with the state of the art of RF silicon process. Manufacturated in the third generation of ST proprietary bipolar process, it offers the best mix of gain and NF for given breakdown voltage(BVceo).

It reaches performance level only achieved with GaAs products before.

START420 Maximum Ratings

Symbol
 Characteristic
Ratings
Unit
Vceo Collector-Emitter voltage
4.5
V
Vcbo Collector-Base Voltage
15
V
Vebo Emitter-Base Voltage
1.5
V
Ic Collector Current
40
mA
Ib Base current
4
mA
Ptot Total dissipation, Ts = 101
180
mW
Tstg Storage temperature -65 to 150
Tj Max. operating junction temperature
150
Rthjs Thermal Resistance Junction soldering point
270
/W

START420 Features

• LOW NOISE FIGURE: NFmin = 1.05dB @ 1.8GHz, 5mA, 2V
• COMPRESSION P1dB = 12.5dBm @ 1.8GHz, 20mA, 2V
• ULTRA MINIATURE SOT343 PACKAGE

START420 Typical Application

• LNA FOR GSM/DCS, DECT, PDC, PCS, PCN
• PREDRIVER FOR DECT
• GENERAL PURPOSE 500MHz-5GHz

START420 Connection Diagram

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