Name: BF421-AP
Brand: STMicroelectronics
SKU: BF421-AP
Availability: InStock
Rating: 5 (134 reviews)

BF421-AP

For Reference Only

Part Number	BF421-AP
Manufacturer	STMicroelectronics
Description	TRANS PNP 300V 0.5A TO-92
Datasheet	BF421-AP Datasheet BF421-AP Specifications
Package	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
ECAD
In Stock	4,368 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BF421-AP (Transistors - Bipolar (BJT) - Single) is manufactured by STMicroelectronics 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 BF421-AP specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BF421-AP with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BF421-AP.

BF421-AP Specifications

Manufacturer	STMicroelectronics
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
ECAD
Series	-
Transistor Type	PNP
Current - Collector (Ic) (Max)	500mA
Voltage - Collector Emitter Breakdown (Max)	300V
Vce Saturation (Max) @ Ib, Ic	600mV @ 5mA, 30mA
Current - Collector Cutoff (Max)	10nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 25mA, 20V
Power - Max	830mW
Frequency - Transition	60MHz
Operating Temperature	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package	TO-92-3

BF421-AP Datasheet

BF421-AP Reviews

Ori*****Horne

April 9, 2023

★ ★ ★ ★ ★

All of the components worked, and are still working. So even though the price is amazingly low, the diodes really do work!

Frank*****lasquez

March 18, 2023

★ ★ ★ ★ ★

2nd time buying these - quite good. Very fast shipping

Damie*****rrero

March 10, 2023

★ ★ ★ ★ ★

I can find what I want, and also trust I'm getting what I paid for. Many times I had to send things back or eat the cost dealing shady sellers, either way it cost me.

Isma*****uerta

March 4, 2023

★ ★ ★ ★ ★

Sure appreciate your quality, expertise and professional service. Thank you so much!!!

Jime*****eaver

February 20, 2023

★ ★ ★ ★ ★

I love your products are well organized. You make it easy to spend $$$! Lol. Keep up the good work folks!

Jad*****arson

February 19, 2023

★ ★ ★ ★ ★

You get the most update products online. You always give me the best choice.

Write a Review

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BF421-AP Packaging

BF421-AP FAQ

1. How to order BF421-AP 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 BF421-AP is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BF421-AP. All suppliers must pass our qualification reviews before they can publish their products including BF421-AP on Heisener; we pay more attention to the channels and quality of BF421-AP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BF421-AP price and inventory displayed accurate?

The price and inventory of BF421-AP 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 BF421-AP?

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 BF421-AP we delivered, we will accept the replacement or return of the BF421-AP 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 BF421-AP.

(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 BF421-AP pin diagram, BF421-AP datasheet?

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

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BF421-AP 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

BF421-AP

STMicroelectronics

TRANS PNP 300V 0.5A TO-92

Part Number

Manufacturer

Description

Stock

BF421-AP

D# 497-5718-3-ND

STMicroelectronics

TRANS PNP 300V 0.5A TO-92

Part Number

Manufacturer

Description

Stock

BF421-AP

Micro Commercial Components

PNP SILICON EPITAXIAL TRANSISTOR

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

BF421AP

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

2300

Part Number

Manufacturer

Description

Stock

BF421-AP

D# NS-BF421-AP

STMicroelectronics

OEM/CM ONLY

2428

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BF421-AP

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