Name: 2N2857UB
Brand: Microsemi Corporation
SKU: 2N2857UB
Availability: InStock
Rating: 5 (125 reviews)

2N2857UB

For Reference Only

Part Number	2N2857UB
Manufacturer	Microsemi Corporation
Description	TRANS NPN 15V 0.04A
Datasheet	2N2857UB Specifications
Package	3-SMD, No Lead
ECAD
In Stock	3,936 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 27 - Jun 1 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 2N2857UB (Transistors - Bipolar (BJT) - RF) is manufactured by Microsemi Corporation and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 2N2857UB specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 2N2857UB with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 2N2857UB.

2N2857UB Specifications

Manufacturer	Microsemi Corporation
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - RF
Package	3-SMD, No Lead
ECAD
Series	-
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	15V
Frequency - Transition	-
Noise Figure (dB Typ @ f)	4.5dB @ 450MHz
Gain	21dB
Power - Max	200mW
DC Current Gain (hFE) (Min) @ Ic, Vce	30 @ 3mA, 1V
Current - Collector (Ic) (Max)	40mA
Operating Temperature	-65°C ~ 200°C (TJ)
Mounting Type	Surface Mount
Package / Case	3-SMD, No Lead
Supplier Device Package	UB

2N2857UB Reviews

Mari*****avsar

April 6, 2023

★ ★ ★ ★ ★

It fit exactly in the same location as the original. Works great and no problem. Good purchase.

Anto*****char

March 24, 2023

★ ★ ★ ★ ★

Great price. Worked well for my needs.

Avi*****lis

March 14, 2023

★ ★ ★ ★ ★

Fast shipping, work as designed. Made some circuitry with these components and they work well.

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2N2857UB Packaging

2N2857UB FAQ

1. How to order 2N2857UB on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that 2N2857UB is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 2N2857UB. All suppliers must pass our qualification reviews before they can publish their products including 2N2857UB on Heisener; we pay more attention to the channels and quality of 2N2857UB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 2N2857UB price and inventory displayed accurate?

The price and inventory of 2N2857UB fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of 2N2857UB?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 2N2857UB we delivered, we will accept the replacement or return of the 2N2857UB only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 2N2857UB.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as 2N2857UB pin diagram, 2N2857UB datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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2N2857UB Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
2N2857UB D# VN5:3623_17118126	Microsemi Corporation	Trans RF BJT NPN 15V 0.04A 200mW 4-Pin Case UB RoHS: Not Compliant	0
JANTXV2N2857UB D# V37:1799_07076835	Semicoa Semiconductors	Trans RF BJT NPN 15V 0.04A 200mW 4-Pin CSOT-23 RoHS: Not Compliant	0
JANTX2N2857UB D# VN6:3635_17118384	Microsemi Corporation	Trans RF BJT NPN 15V 0.04A 200mW 4-Pin Case UB RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
JANSF2N2857UB D# JANSF2N2857UB	Semicoa Semiconductors	Low Power High Frequency300 Krad(Si) - Waffle Pack (Alt: JANSF2N2857UB)	0
JANTX2N2857UB D# JANTX2N2857UB	Semicoa Semiconductors	Low Power High Frequency - Waffle Pack (Alt: JANTX2N2857UB)	0
JANS2N2857UB D# JANS2N2857UB	Semicoa Semiconductors	Transistor GP BJT NPN 15V 0.04A 4-Pin - Waffle Pack (Alt: JANS2N2857UB)	0
2N2857UBJAN/TR D# JAN2N2857UB/TR	Microchip Technology Inc	Trans RF BJT NPN 15V 0.04A 3-Pin CSOT-23 T/R - Tape and Reel (Alt: JAN2N2857UB/TR) RoHS: Compliant	0
JANTXV2N2857UB D# JANTXV2N2857UB/TR	Microchip Technology Inc	Trans GP BJT NPN 15V 0.04A - Tape and Reel (Alt: JANTXV2N2857UB/TR) RoHS: Not Compliant	0
VARDATADISK/JANS2N2857UB D# VARDATADISK/JANS2N2857UB	Semicoa Semiconductors	RF Low Power Transistor 15V 40mA 3-Pin Case UB Surface Mount - Virtual or Non-Physical Inventory (Software & Literature) (Alt: VARDATADISK/JANS2N2857UB) RoHS: Not Compliant	0
JANSR2N2857UB D# JANSR2N2857UB	Semicoa Semiconductors	Low Power High Frequency100 Krad(Si) - Waffle Pack (Alt: JANSR2N2857UB) RoHS: Not Compliant	0
JAN2N2857UB D# JAN2N2857UB	Microchip Technology Inc	Trans RF BJT NPN 15V 0.04A 3-Pin - Waffle Pack (Alt: JAN2N2857UB) RoHS: Compliant	0
2N2857UBJVJANTXV D# JANTXV2N2857UB	Semicoa Semiconductors	Low Power High Frequency - Waffle Pack (Alt: JANTXV2N2857UB) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

JANS2N2857UB

Microsemi Corporation

2N2857UBJSF

SEMICOA SEMICONDUCTORS

Part Number	Manufacturer	Description	Stock
JANTX2N2857UB D# 1086-20740-ND	Microsemi Corporation	RF TRANS NPN 15V 0.04A UB	0
2N2857UB D# 1086-20738-ND	Microsemi Corporation	RF TRANS NPN 15V 0.04A UB	0
JANTXV2N2857UB D# 1086-20741-ND	Microsemi Corporation	RF TRANS NPN 15V 0.04A UB	0
JAN2N2857UB D# 1086-20739-ND	Microsemi Corporation	RF TRANS NPN 15V 0.04A UB	0
JANS2N2857UB-LC D# JANS2N2857UB-LC-ND	Microsemi Corporation	RF TRANS NPN 15V UB	0

Part Number	Manufacturer	Description	Stock
2N2857UBJV	Semicoa	OEM/CM QUOTES ONLY \| NO BROKERS	4174
2N2857UBJSFUP	Semicoa	OEM/CM QUOTES ONLY \| NO BROKERS	6
2N2857UBJX	Semicoa	OEM/CM QUOTES ONLY \| NO BROKERS	4084
JANS2N2857UB	MS	OEM/CM QUOTES ONLY \| NO BROKERS	211
JANTX2N2857UB	Vishay Intertechnologies	OEM/CM QUOTES ONLY \| NO BROKERS	6
2N2857UB	SEMICOA	OEM/CM QUOTES ONLY \| NO BROKERS	34
2N2857UBJS	Semicoa	OEM/CM QUOTES ONLY \| NO BROKERS	104
JANTXV2N2857UB	N/L	OEM/CM QUOTES ONLY \| NO BROKERS	29
2N2857UBJSR	Semicoa	OEM/CM QUOTES ONLY \| NO BROKERS	523
2N2857UBJSF	Semicoa	OEM/CM QUOTES ONLY \| NO BROKERS	851

Part Number	Manufacturer	Description	Stock
2N2857UBJS	--		3
JANTX2N2857UB	SC	RF SMALL SIGNAL BIPOLAR TRANSISTOR, 0.04A I(C), 1-ELEMENT, ULTRA HIGH FREQUENCY BAND, SILICON, NPN	4
2N2857UBJSF	SEMICOA SEMI		2

Part Number	Manufacturer	Description	Stock
2N2857UBJV	Semicoa Semiconductors	OEM/CM ONLY	3724
2N2857UBJX	Semicoa Semiconductors	OEM/CM ONLY	3630
2N2857UBJS	Semicoa Semiconductors	OEM/CM ONLY	112
2N2857UBJSR	Semicoa Semiconductors	OEM/CM ONLY	479
2N2857UBJSF	Semicoa Semiconductors	OEM/CM ONLY	772

Part Number

Manufacturer

Description

Stock

JANTX2N2857UB

D# 35312025

Microsemi Corporation

Trans RF BJT NPN 15V 0.04A 200mW 4-Pin Case UB

RoHS: Compliant

2N2857UB

D# 35312428

Microsemi Corporation

Trans RF BJT NPN 15V 0.04A 200mW 4-Pin Case UB

RoHS: Not Compliant

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2N2857UB

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