Tena tirohia te putanga Ingarihi hei putanga mana.

Europeropi: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia / Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India me Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

Amerika ki te Tonga / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

Te Tai Tokerau: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Hua Hua Rawehake Utu Transistors - Pipuri (BJT) - RF~~2N2857UB~~

Ko te ahua pea he kanohi.
Tirohia nga Whakariterite mo nga Taipitopito Hua.

~~Makau~~

KōWHIRINGA EXPRESS

Tikanga utu

2N2857UB - Microsemi Corporation

Kaihanga Tau Wae: 2N2857UB

Kaihanga: Microsemi

Allelco Tau Wae: 98D-2N2857UB

Te tiwhikete: 1 tau Allelco Raarangi - Rapua etahi atu

Nga waahanga Whakaahuatanga: RF TRANS NPN 15V 0.04A UB

Paera: UB

Pepa Raraunga: 1.2N2857UB.pdf ...

Nga korero taiao
Microchip CA Prop65.pdf Microchip REACH.pdf Microchip RoHS.pdf

PCN ObsenSencence / Eol
2N2857/UB OBS 18/May/2018.pdf

~~Whakatairite~~

Ta matou Tiwhikete

I roto i te taonga: 4806

KōWHIRINGA EXPRESS

Tikanga utu

Ta matou Tiwhikete

Ngā whakaaturanga

2N2857UB Whakaritenga Hangarau
Nga Hangarau Hangarau Microsemi Corporation - 2N2857UB, nga tohu, nga taatai me nga waahanga me nga taapiri rite ki Microsemi Corporation - 2N2857UB

Huanga hua	Uara huanga
Kaihanga	Microsemi
Ngaohihi - Te Whakatere Emitter Break (Max)	15V
Momo Pukapuka	NPN
Pūrere Pūrere Whakarato	UB
Raupapa	-
Mana - Max	200mW
Paa / Case	3-SMD, No Lead
Pūhera	Bulk

Huanga hua	Uara huanga
Tae Mahi	-65°C ~ 200°C (TJ)
Noise Whakaatu (dB Typ @ f)	4.5dB @ 450MHz
Momo Tae	Surface Mount
Hua	21dB
Tuhinga - Te whakawhiti	-
DC Ripa o Naianei (hFE) (Min) @ Ic, Vce	30 @ 3mA, 1V
I teie nei - Kohikohi (Ic) (Max)	40mA

Te Tauira Taiao me te Kaweake

TOHU	WHAKAAHUATANGA
RoHs Tūnga	RoHS kore he ture
Taumata Maha Kore (MSL)	1 (Unlimited)
Tutuki te mana	REACH Unaffected
ECCN	EAR99

Waahanga me nga whakaritenga rite

Ko nga waahanga e toru kei te taha matau he rite nga whakaritenga ki Microsemi Corporation 2N2857UB.

Huanga hua
Tau Wae	2N2857UB	2N2857 PBFREE	2N2857	2N2879
Kaihanga	Microsemi Corporation	Central Semiconductor Corp	Microsemi Corporation	Microchip Technology
Mana - Max	200mW	200mW	200mW	30 W
Noise Whakaatu (dB Typ @ f)	4.5dB @ 450MHz	4.5dB @ 450MHz	4.5dB @ 450MHz	-
I teie nei - Kohikohi (Ic) (Max)	40mA	40mA	40mA	5 A
Tae Mahi	-65°C ~ 200°C (TJ)	-65°C ~ 200°C (TJ)	-65°C ~ 200°C (TJ)	-65°C ~ 200°C (TJ)
Pūhera	Bulk	Bulk	Bulk	Bulk
Hua	21dB	-	12.5dB ~ 21dB @ 450MHz	-
Momo Pukapuka	NPN	NPN	NPN	NPN
Tuhinga - Te whakawhiti	-	1.9GHz	500MHz	-
Paa / Case	3-SMD, No Lead	TO-206AF, TO-72-4 Metal Can	TO-206AF, TO-72-4 Metal Can	TO-111-4, Stud
Ngaohihi - Te Whakatere Emitter Break (Max)	15V	15V	15V	80 V
DC Ripa o Naianei (hFE) (Min) @ Ic, Vce	30 @ 3mA, 1V	30 @ 3mA, 1V	30 @ 3mA, 1V	-
Pūrere Pūrere Whakarato	UB	TO-72	TO-72	TO-111
Raupapa	-	-	-	-
Momo Tae	Surface Mount	Through Hole	Through Hole	Stud Mount

2N2857UB Datasheet PDF

Tangohia a 2N2857UB PDF Datasheets me Microsemi Corporation tuhinga mo 2N2857UB - Microsemi Corporation.

Nga korero taiao: Microchip CA Prop65.pdf Microchip REACH.pdf Microchip RoHS.pdf
PCN ObsenSencence / Eol: 2N2857/UB OBS 18/May/2018.pdf

Kei te hiahia ano hoki nga kaihoko

Nga Hua Taunakitia

Arotake Kaihoko

Mātai pūmanawa: 10 tuhinga

Jess***Jones

2026/04/17

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

2026/04/17

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

2026/04/3

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

2026/04/3

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

2026/03/23

Very good. No issue after long time testing.
Kevi***.

2026/03/17

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

2024/06/16

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

2024/06/19

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

2024/06/19

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

2024/06/19

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

Tuhia he arotake

Kaore e whakaputaina to wahitau imeera.

Tuhinga

Te wa tuku

Ka taea te tuku i nga taonga-a-roto i roto i nga haora 24.Ko etahi waahanga ka whakaritea mo te tuku i roto i nga ra 1-2 mai i te ra i tae mai nga taonga katoa ki ta maatau whare putunga.Me nga kaipuke a Allelco i te ra kotahi i te 17:00, haunga te Rātapu.Ina tukuna nga taonga, ko te wa tuku e kiia ana ko te tikanga tuku me te haerenga tuku.Ko te ripanga i raro nei e whakaatu ana ko te waa arorau mo etahi whenua noa.

Nga utu tuku

Whakamahia to putea Express mo te tuku mehemea kei a koe tetahi.
Whakamahia ta maatau putea mo te tuku.Tirohia te tepu i raro nei mo nga utu tata.

(He rereke nga waahi / whenua / rahi te rahi o te rahi.)

Tikanga tuku

Te tuku noa a te Ao mo te DHL / UPS / FedEx / TNT / EMS / SF e tautoko ana matou.
Ko etahi atu ka piki haere, Tena koa hono atu ki to Kaiwhakahaere Kaihoko.

Nga whenua o nga whenua e tohu ana i te waa
Takiwā	Whenua	Te wa arorau (ra)
Amerika	United States	5
Amerika	Brazil	7
Europeropi	Tāpā	5
	United Kingdom	4
	Itari	5
Moana o Oceania	Ahitereria	6
Moana o Oceania	Aotearoa	5
Āhia	Kirinuku	4
Āhia	Japan	4
Rawhiti Rawhiti	Ia Iharaira	6

DHL & FedEx kaipuke tuku utu
Nga utu kaipuke (kg)	Tohutoro DHL (USD $)
0.00KG-1.00KG	USD $ 30.00 - USD $ 60.00
1.00KG-2.00KG	USD $ 40.00 - USD $ 80.00
2.00kg-3.00KG	USD $ 50.00 - USD $ 100.00

Panui:: Ko te tepu i runga ake nei mo te tohutoro anake.Kei kona ano etahi o nga raraunga mo nga mea kaore e taea te whakahaere.
Whakapaa mai ki te mea kei a koe etahi patai.

Tautoko utu

Ka taea te whiriwhiri i te tikanga utu mai i nga tikanga e whakaatuhia ana i raro nei: Whakawhiti waea (T / T, Whakawhiti Bank), Western Union, Kaari nama, PayPal.

Ko to hoa mahi tinihanga pono -

Te whakahaere tika
Hoko utu utu
Te Whakaputa Tere me te Tukunga

Whakapaa mai ki te mea kei a koe etahi patai.

Waea
+00852 9146 4856
Aiea
info@allelco.com

Tiwhikete me nga Mema

Tirohia atu

2N2857UB

Microsemi Corporation
98D-2N2857UB

Kei te hiahia koe he utu pai ake? Tāpiri ki te kaata me Tukuna RFQ inaianei, whakapā atu ki a koe.

Nga Blogs Nga waahanga wera Hurihia te reo Pitopito kōrero Mahere Pae

Whakapā mai

Wāhitau Tumuaki:
Ruma c 13 / f Harvard Hangarau Hangarau
105-111 Thomson Road Wan Chai
Hongkong

Ratonga Ratonga: + 852-91464856
Imeera ratonga: info@allelco.com

Whaia mai

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Urupare

Ko o mea urupare!I Allelco, ka aro nui matou ki te wheako kaiwhakamahi me te ngana ki te whakapai ake i nga wa katoa.
Tena koa tohatoha atu ki a maatau korero ma te maatau urupare, a ka whakautu wawe matou.
Mauruuru koe mo te whiriwhiri Allelco.

Tena tirohia te putanga Ingarihi hei putanga mana.Whakahoki

2N2857UB - Microsemi Corporation

Ngā whakaaturanga

Te Tauira Taiao me te Kaweake

Waahanga me nga whakaritenga rite

2N2857UB Datasheet PDF

Kei te hiahia ano hoki nga kaihoko

Nga Hua Taunakitia

Arotake Kaihoko

Mātai pūmanawa: 10 tuhinga

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Very good. No issue after long time testing.

Fast switching and stable output. Very satisfied with this IC

I had a great experience purchasing items from Allelcoelec, I recommend

Good comunication,Transpnt regarding the process and price.

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

Morrey was very helpful and right on top of things!He replied quickly to my RFQ. He was very courteous and professional.