Name: BF494
Brand: Fairchild/ON Semiconductor
SKU: BF494
Availability: InStock
Rating: 5 (164 reviews)

BF494

For Reference Only

Part Number	BF494
Manufacturer	Fairchild/ON Semiconductor
Description	TRANSISTOR RF NPN 20V TO-92
Datasheet	BF494 Datasheet BF494 Specifications
Package	TO-226-3, TO-92-3 (TO-226AA)
ECAD
In Stock	6,703,236 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BF494 (Transistors - Bipolar (BJT) - RF) is manufactured by Fairchild/ON Semiconductor 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 BF494 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BF494 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BF494.

BF494 Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - RF
Package	TO-226-3, TO-92-3 (TO-226AA)
ECAD
Series	-
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	20V
Frequency - Transition	-
Noise Figure (dB Typ @ f)	-
Gain	-
Power - Max	350mW
DC Current Gain (hFE) (Min) @ Ic, Vce	67 @ 1mA, 10V
Current - Collector (Ic) (Max)	30mA
Operating Temperature	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package	TO-92-3

BF494 Datasheet

BF494 Reviews

Kali*****lins

April 7, 2023

★ ★ ★ ★ ★

Fantastic transaction, very fast delivery. Highly recommended. Thank you.

Jac*****Clark

April 1, 2023

★ ★ ★ ★ ★

Resonators were genuine Murata components and arrived in 3 days from Hongkong

Gera*****unlap

March 6, 2023

★ ★ ★ ★ ★

What I like was it was shipped fast and no damage.

Chris*****r Memon

March 5, 2023

★ ★ ★ ★ ★

Every little component you can always find in here, and good suggestion for relative times too.

Zari*****Bean

March 3, 2023

★ ★ ★ ★ ★

Well packaged and good condition with the parts, arrived on time, good customer service.

Write a Review

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BF494 Packaging

BF494 FAQ

1. How to order BF494 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 BF494 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BF494. All suppliers must pass our qualification reviews before they can publish their products including BF494 on Heisener; we pay more attention to the channels and quality of BF494 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BF494 price and inventory displayed accurate?

The price and inventory of BF494 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 BF494?

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 BF494 we delivered, we will accept the replacement or return of the BF494 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 BF494.

(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 BF494 pin diagram, BF494 datasheet?

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

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BF494 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
AX7MBF4-945.0000T D# AX7MBF4-945.0000T	Abracon Corporation	- Tape and Reel (Alt: AX7MBF4-945.0000T) RoHS: Compliant	0
AX7MBF4-945.0000 D# AX7MBF4-945.0000	Abracon Corporation	Crystal Oscillator CML 945MHz 2.5V 8-Pin Surface Mount Bulk - Bulk (Alt: AX7MBF4-945.0000) RoHS: Compliant	0
AX7PBF4-945.0000T D# AX7PBF4-945.0000T	Abracon Corporation	- Tape and Reel (Alt: AX7PBF4-945.0000T) RoHS: Compliant	0
AX7DBF4-945.0000 D# AX7DBF4-945.0000	Abracon Corporation	Crystal Oscillator LVDS 945MHz 2.5V 8-Pin Surface Mount Bulk - Bulk (Alt: AX7DBF4-945.0000) RoHS: Compliant	0
AX7DBF4-945.0000T D# AX7DBF4-945.0000T	Abracon Corporation	- Tape and Reel (Alt: AX7DBF4-945.0000T) RoHS: Compliant	0
AX7PBF4-945.0000 D# AX7PBF4-945.0000	Abracon Corporation	Crystal Oscillator LVPECL 945MHz 2.5V 8-Pin Surface Mount Bulk - Bulk (Alt: AX7PBF4-945.0000) RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
AX7DBF4-945.0000 D# AX7DBF4-945.0000	Abracon Corporation	Crystal Oscillator LVDS 945MHz 2.5V 8-Pin Surface Mount Bulk (Alt: AX7DBF4-945.0000)	0
AX7PBF4-945.0000 D# AX7PBF4-945.0000	Abracon Corporation	Crystal Oscillator LVPECL 945MHz 2.5V 8-Pin Surface Mount Bulk (Alt: AX7PBF4-945.0000)	0
AX7PBF4-945.0000T D# AX7PBF4-945.0000T	Abracon Corporation	- Tape and Reel (Alt: AX7PBF4-945.0000T)	0
AX7DBF4-945.0000T D# AX7DBF4-945.0000T	Abracon Corporation	- Tape and Reel (Alt: AX7DBF4-945.0000T)	0
AX7MBF4-945.0000 D# AX7MBF4-945.0000	Abracon Corporation	Crystal Oscillator CML 945MHz 2.5V 8-Pin Surface Mount Bulk (Alt: AX7MBF4-945.0000)	0
AX7MBF4-945.0000T D# AX7MBF4-945.0000T	Abracon Corporation	- Tape and Reel (Alt: AX7MBF4-945.0000T)	0

Part Number	Manufacturer	Description	Stock
BF494_D27Z	Fairchild Semiconductor Corporation	TRANSISTOR RF NPN 20V TO-92	0
BF494	NXP Semiconductors	TRAN Date Code: 9639	750
BF494_D74Z	Fairchild Semiconductor Corporation	TRANSISTOR RF NPN 20V TO-92	0

Part Number	Manufacturer	Description	Stock
BF494_D27Z D# BF494_D27Z-ND	ON Semiconductor	RF TRANS NPN 20V TO92-3	0
AX7PBF4-945.0000T D# AX7PBF4-945.0000T-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ LVPECL	0
AX7PBF4-945.0000 D# AX7PBF4-945.0000-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ LVPECL	0
AX7DBF4-945.0000T D# AX7DBF4-945.0000T-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ LVDS SMD	0
AX7PBF4-945.0000C D# AX7PBF4-945.0000C-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ LVPECL	0
AX5DBF4-945.0000C D# AX5DBF4-945.0000C-ND	Abracon Corporation	OSC XO 945MHZ 2.5V LVDS	0
BF494 D# 2156-BF494-FS-ND	Rochester Electronics LLC	SMALL SIGNAL BIPOLAR TRANSISTOR	0
AX7MBF4-945.0000C D# AX7MBF4-945.0000C-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ CML SMD	0
AX5DBF4-945.0000T D# AX5DBF4-945.0000T-ND	Abracon Corporation	OSC XO 945MHZ 2.5V LVDS	0
AX7MBF4-945.0000T D# AX7MBF4-945.0000T-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ CML SMD	0
AX7MBF4-945.0000 D# AX7MBF4-945.0000-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ CML SMD	0
AX7DBF4-945.0000C D# AX7DBF4-945.0000C-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ LVDS SMD	0
BF494_D74Z D# BF494_D74Z-ND	ON Semiconductor	RF TRANS NPN 20V TO92-3	0
AX7DBF4-945.0000 D# AX7DBF4-945.0000-ND	Abracon Corporation	XTAL OSC XO 945.0000MHZ LVDS SMD	0

Part Number	Manufacturer	Description	Stock
BF494327PF	Diverse	OEM/CM QUOTES ONLY \| NO BROKERS	215
BF494B	Philips Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	12233
TBF494	Philips Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	24157
BF494310PF	Diverse	OEM/CM QUOTES ONLY \| NO BROKERS	201
BF494322PF	Diverse	OEM/CM QUOTES ONLY \| NO BROKERS	78
BF494	.	OEM/CM QUOTES ONLY \| NO BROKERS	31495
BF4943100PF	Diverse	OEM/CM QUOTES ONLY \| NO BROKERS	230
BF494333PF	Diverse	OEM/CM QUOTES ONLY \| NO BROKERS	147

Part Number	Manufacturer	Description	Stock
BF494112	NXP Semiconductors	OEM/CM ONLY	489
BF494PRFMD	NXP Semiconductors	OEM/CM ONLY	383
BF494PHILIPS	NXP Semiconductors	OEM/CM ONLY	397
BF494B	NXP Semiconductors	OEM/CM ONLY	864

Part Number

Manufacturer

Description

Stock

BF494

National Semiconductor Corporation

2000

Part Number

Manufacturer

Description

Stock

BF494B

Philips Semiconductors

in stock - can ship the same day

2366

Part Number	Manufacturer	Description	Stock
AX7PBF4-945.0000T	Abracon Corporation	RoHS: Compliant	0
AX7DBF4-945.0000T	Abracon Corporation	RoHS: Compliant	0
AX7MBF4-945.0000T	Abracon Corporation	RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

BF494

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

19022

Part Number	Manufacturer	Description	Stock
AX7DBF4-945.0000T	Abracon Corporation	RoHS: Compliant	0
AX7MBF4-945.0000T	Abracon Corporation	RoHS: Compliant	0
AX7PBF4-945.0000T	Abracon Corporation	RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
AX7DBF4-945.0000 D# 000000000006001436	Abracon Corporation	Standard Clock Oscillators 0.13ps XO LVDS 5x7mm	0
AX7PBF4-945.0000 D# 000000000006004058	Abracon Corporation	Standard Clock Oscillators 0.13ps XO LVPECL 5x7mm	0
AX7PBF4-945.0000T D# 000000000005828067	Abracon Corporation	Standard Clock Oscillators XTAL OSC XO 945.0000MHZ LVPECL	0
AX7PBF4-945.0000C D# 000000000005828066	Abracon Corporation	Standard Clock Oscillators 945MHz 0.13ps 2.5V LVPECL	0
AX7DBF4-945.0000T D# 000000000005822832	Abracon Corporation	Standard Clock Oscillators XTAL OSC XO 945.0000MHZ LVDS SMD	0
AX7MBF4-945.0000C D# 000000000005825288	Abracon Corporation	Standard Clock Oscillators 945MHz 0.13ps 2.5V CML	0
AX7MBF4-945.0000 D# 000000000006002669	Abracon Corporation	Standard Clock Oscillators 0.13ps XO CML 5x7mm	0
AX7MBF4-945.0000T D# 000000000005825289	Abracon Corporation	Standard Clock Oscillators XTAL OSC XO 945.0000MHZ CML SMD	0
AX7DBF4-945.0000C D# 000000000005822831	Abracon Corporation	Standard Clock Oscillators 945MHz 0.13ps 2.5V LVDS	0

Part Number	Manufacturer	Description	Stock
BF494B	Philips Semiconductors	OEM/CM ONLY	19878
BF49.4310PF	Diverse Electronics	OEM/CM ONLY	191
BF49.4333PF	Diverse Electronics	OEM/CM ONLY	144
TBF494	Philips Semiconductors	OEM/CM ONLY	20316
BF49.43100PF	Diverse Electronics	OEM/CM ONLY	216
BF49.4322PF	Diverse Electronics	OEM/CM ONLY	84
BF49.4327PF	Diverse Electronics	OEM/CM ONLY	203
BF494	Philips Semiconductors	OEM/CM ONLY	56274

Part Number

Manufacturer

Description

Stock

BF494

Fairchild Semiconductor Corporation

IN stock Immediate delivery

19007

Part Number

Manufacturer

Description

Stock

BF494-PHILIPS

Philips Semiconductors

RFQ

10563

Part Number

Manufacturer

Description

Stock

BF494

Fairchild Semiconductor Corporation

TRANSISTOR RF NPN 20V TO-92

1064400

Quick Inquiry

BF494

Certified Quality

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