Name: BUL44
Brand: ON Semiconductor
SKU: BUL44
Availability: InStock
Rating: 5 (159 reviews)

BUL44

For Reference Only

Part Number	BUL44
Manufacturer	ON Semiconductor
Description	TRANS NPN 400V 2A TO-220AB
Datasheet	BUL44 Specifications
Package	TO-220-3
ECAD
In Stock	3,488 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BUL44 (Transistors - Bipolar (BJT) - Single) is manufactured by 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 BUL44 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BUL44 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BUL44.

BUL44 Specifications

Manufacturer	ON Semiconductor
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-220-3
ECAD
Series	SWITCHMODE?
Transistor Type	NPN
Current - Collector (Ic) (Max)	2A
Voltage - Collector Emitter Breakdown (Max)	400V
Vce Saturation (Max) @ Ib, Ic	600mV @ 200mA, 1A
Current - Collector Cutoff (Max)	100µA
DC Current Gain (hFE) (Min) @ Ic, Vce	14 @ 200mA, 5V
Power - Max	50W
Frequency - Transition	13MHz
Operating Temperature	-65°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220AB

BUL44 Reviews

Ama***** Nava

April 7, 2023

★ ★ ★ ★ ★

Well packed, good item, capacitors both within 2.5% tolerance!

Adel*****orris

March 27, 2023

★ ★ ★ ★ ★

I have used 2 of the 10 units so far and they work fine.

Chan*****iggins

March 16, 2023

★ ★ ★ ★ ★

I tested some and all look good.

Kon***** Nath

March 15, 2023

★ ★ ★ ★ ★

Great product at a good price. No complaints.

Mart*****halla

March 9, 2023

★ ★ ★ ★ ★

Every time I order, I always get faster than promised. For a small-time operator like me, you guys are the best!

Alin*****shmukh

March 5, 2023

★ ★ ★ ★ ★

Replaced a diode in my distortion pedal. Sounds different (lower growl) but in a good way...LOL!

Josia*****venson

February 27, 2023

★ ★ ★ ★ ★

Good！ quick and convenient delivery. product tracking with good advice.

Lin*****Kim

February 26, 2023

★ ★ ★ ★ ★

Arrived promptly, carefully packaged, as described, many thanks

Colet*****nilla

February 22, 2023

★ ★ ★ ★ ★

Superb pricing and super fast delivery.

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BUL44 Packaging

BUL44 FAQ

1. How to order BUL44 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 BUL44 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BUL44. All suppliers must pass our qualification reviews before they can publish their products including BUL44 on Heisener; we pay more attention to the channels and quality of BUL44 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BUL44 price and inventory displayed accurate?

The price and inventory of BUL44 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 BUL44?

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 BUL44 we delivered, we will accept the replacement or return of the BUL44 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 BUL44.

(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 BUL44 pin diagram, BUL44 datasheet?

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

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BUL44 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

BUL44D2

D# BUL44D2

NXP Semiconductors

- Bulk (Alt: BUL44D2)

RoHS: Not Compliant

BUL44G

D# BUL44G

ON Semiconductor

TRANS GP BJT NPN 400V 2A 3PIN TO-220 - Bulk (Alt: BUL44G)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

BUL44G

ON Semiconductor

N/A 2 A, 400 V, NPN, Si, POWER TRANSISTOR, TO-220AB ROHS COMPLIANT, CASE 221A-09, 3 PIN

14776

BUL44

ON Semiconductor

N/A 2 A, 400 V, NPN, Si, POWER TRANSISTOR, TO-220AB CASE 221A-06, 3 PIN

609

Part Number

Manufacturer

Description

Stock

BUL44G

ON Semiconductor

Power Bipolar Transistor, 2A I(C), 400V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
BUL44D2 D# 2156-BUL44D2-ND	Rochester Electronics LLC	POWER BIPOLAR TRANSISTOR	3210
BUL44 D# BUL44-ND	ON Semiconductor	TRANS NPN 400V 2A TO-220AB	0
BUL44G D# 2156-BUL44G-ON-ND	Rochester Electronics LLC	TRANS NPN 400V 2A TO220AB	8976

Part Number

Manufacturer

Description

Stock

BUL44F

Motorola Semiconductor Products

In stock shipping within 2days

350

Part Number	Manufacturer	Description	Stock
BUL44G	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	11472
BUL445		OEM/CM QUOTES ONLY \| NO BROKERS	20
BUL44	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	2668
BUL44D2		OEM/CM QUOTES ONLY \| NO BROKERS	5750

Part Number

Manufacturer

Description

Stock

BUL44F

Motorola Semiconductor Products

OEM/CM Immediate delivery

250

BUL44G

ON Semiconductor

OEM/CM Immediate delivery

Part Number	Manufacturer	Description	Stock
BUL44 D# NS-BUL44	ON Semiconductor	OEM/CM ONLY	7981
BUL44G D# NS-BUL44G	ON Semiconductor	OEM/CM ONLY	6262
BUL44D2-D D# NS-BUL44D2-D	ON Semiconductor	OEM/CM ONLY	1584
BUL44-D D# NS-BUL44-D	ON Semiconductor	OEM/CM ONLY	2221

Part Number

Manufacturer

Description

Stock

BUL44D2

Motorola Mobility LLC

Power Bipolar Transistor, 2A, 400V, NPN, TO-220AB, 3 Pin

RoHS: Not Compliant

3210

BUL44G

ON Semiconductor

Power Bipolar Transistor, 2A, 400V, NPN, TO-220AB, 3 Pin

RoHS: Compliant

8976

Part Number	Manufacturer	Description	Stock
BUL44D2	Motorola Semiconductor Products	OEM/CM ONLY	1316
BUL44	ON Semiconductor	OEM/CM ONLY	2476
BUL44G	ON Semiconductor	OEM/CM ONLY	4366

Part Number

Manufacturer

Description

Stock

BUL44G

ON Semiconductor

IN stock Immediate delivery

BUL44F

Motorola Semiconductor Products

IN stock Immediate delivery

245

Part Number	Manufacturer	Description	Stock
BUL44G	ON Semiconductor	shipping today	36
BUL44	Motorola Mobility LLC	shipping today	296
BUL44F	Motorola Mobility LLC	shipping today	1496

Part Number	Manufacturer	Description	Stock
BUL44D2	Motorola Semiconductor Products	RFQ	8323
BUL44	MOTOLORA	RFQ	14673
BUL44F	Motorola Semiconductor Products	RFQ	12740

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BUL44

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