Name: 291EX
Brand: Hammond Manufacturing
SKU: 291EX
Availability: InStock
Rating: 5 (154 reviews)

291EX

For Reference Only

Part Number	291EX
Manufacturer	Hammond Manufacturing
Description	XFRMR LAMINATED CHAS MOUNT
Datasheet	291EX Datasheet 291EX Specifications
Package	-
ECAD
In Stock	2,124 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 15 - May 20 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 291EX (Power Transformers) is manufactured by Hammond Manufacturing 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 291EX specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 291EX with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 291EX.

291EX Specifications

Manufacturer	Hammond Manufacturing
Category	Transformers - Power Transformers
Package	-
ECAD
Series	291
Type	Laminated Core
Voltage - Primary	120V
Voltage - Secondary (Full Load)	660V, 6.5V
Current - Output (Max)	276mA, 3.15A
Primary Winding(s)	Single
Secondary Winding(s)	Dual
Center Tap	Yes
Power - Max	-
Mounting Type	Chassis Mount
Termination Style	Wire Leads
Size / Dimension	-
Height - Seated (Max)	-
Voltage - Isolation	-
Weight	7.7 lbs (3.5kg)

291EX Datasheet

291EX Reviews

Bryl*****haffer

April 7, 2023

★ ★ ★ ★ ★

I'm so sure that you're beating your competitor on delivery!

Harv*****ardin

April 1, 2023

★ ★ ★ ★ ★

Absolutely the best source for wire, connectors, terminal strips, panel lights, etc. for model railroaders. Web site is the best in the business.

Dill*****oreno

March 25, 2023

★ ★ ★ ★ ★

It works fine and does what it has designed for. No regrets.

Larr*****idhar

March 7, 2023

★ ★ ★ ★ ★

The order process is easy and user friendly, very helpful customer service, always fast shipping.

Brun*****rkins

February 24, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Write a Review

★★★★★

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291EX Packaging

291EX FAQ

1. How to order 291EX 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 291EX is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 291EX. All suppliers must pass our qualification reviews before they can publish their products including 291EX on Heisener; we pay more attention to the channels and quality of 291EX products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 291EX price and inventory displayed accurate?

The price and inventory of 291EX 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 291EX?

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 291EX we delivered, we will accept the replacement or return of the 291EX 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 291EX.

(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 291EX pin diagram, 291EX datasheet?

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

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291EX 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

291EX

D# 70317238

Hammond Manufacturing

transformer - tube guitar amp - power

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

TLE4291EXUMA2

D# V72:2272_06378836

Infineon Technologies AG

LDO Regulator Pos 5V 0.45A Automotive 14-Pin SSOP T/R

RoHS: Compliant

291EX

D# V99:2348_19782677

Hammond Manufacturing

Power Transformer 1:5.74 8 Terminal Screw Terminal/Wire Lead Flange Mount

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
MAX4291EXK+ D# MAX4291EXK+	Maxim Integrated Products	OP Amp Single GP R-R I/O ±2.75V/5.5V 5-Pin SC-70 - Rail/Tube (Alt: MAX4291EXK+)	0
TLE4291EXUMA2 D# TLE4291EXUMA2	Infineon Technologies AG	LDO Regulator Pos 5V 0.45A 14-Pin SSOP EP T/R - Bulk (Alt: TLE4291EXUMA2) RoHS: Compliant	0
MAX4291EXK-T D# MAX4291EXK-T	Maxim Integrated Products	OP Amp Single GP R-R I/O ±2.75V/5.5V 5-Pin SC-70 T/R - Bulk (Alt: MAX4291EXK-T) RoHS: Not Compliant	0
MAX4291EXK+T D# MAX4291EXK+T	Maxim Integrated Products	OP Amp Single GP R-R I/O ±2.75V/5.5V 5-Pin SC-70 T/R - Tape and Reel (Alt: MAX4291EXK+T)	0

Part Number

Manufacturer

Description

Stock

TLE4291EXUMA2

D# SP001191330

Infineon Technologies AG

LDO Regulator Pos 5V 0.45A 14-Pin SSOP EP T/R (Alt: SP001191330)

MAX4291EXK+T

D# MAX4291EXK+T

Maxim Integrated Products

OP Amp Single GP R-R I/O ±2.75V/5.5V 5-Pin SC-70 T/R (Alt: MAX4291EXK+T)

Part Number	Manufacturer	Description	Stock
MAX4291EXK-T	Maxim Integrated Products	OP AMP SGL GP R-R I/O 2.75V/5.5V 5PIN SC-70 - Tape and Reel	0
291EX	Maxim Integrated Products	OP AMP SGL GP R-R I/O 2.75V/5.5V 5PIN SC-70 - Tape and Reel	0
MAX4291EXK+T	Maxim Integrated Products	OP AMP SGL GP R-R I/O 2.75V/5.5V 5PIN SC-70 - Tape and Reel	0

Part Number

Manufacturer

Description

Stock

TLE4291EXUMA2

D# C1S322000261804

Infineon Technologies AG

LED Drivers

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Cut Tape

850

Part Number	Manufacturer	Description	Stock
TLE4291EXUMA2 D# TLE4291EXUMA2TR-ND	Infineon Technologies AG	IC REG LINEAR 5V 450MA SSOP-14-2	0
MAX4291EXK D# 2156-MAX4291EXK-ND	Rochester Electronics LLC	RAIL-RAIL OPERATIONAL AMPLIFIER	5973
TLE4291EXUMA1 D# TLE4291EXUMA1TR-ND	Infineon Technologies AG	IC REG LINEAR 5V 450MA SSOP-14-1	0
MAX4291EXK-T D# 2156-MAX4291EXK-T-ND	Rochester Electronics LLC	IC GP OPAMP 1 CIRCUIT SC70-5	32500
291EX D# HM5064-ND	Hammond Manufacturing	PWR XFMR LAMINATED CHAS MT	4
MAX4291EXK+T D# MAX4291EXK+TCT-ND	Maxim Integrated Products	IC OPAMP GP 1 CIRCUIT SC70-5	1550

Part Number

Manufacturer

Description

Stock

MAX4291EXK+T

Maxim Integrated Products

In stock shipping within 2days

4752

MAX4291EXK-T

Maxim Integrated Products

In stock shipping within 2days

3401

Part Number

Manufacturer

Description

Stock

TLE4291EXUMA2

D# 2710066RL

Infineon Technologies AG

LDO, FIXED, AEC-Q100, 5V, 0.45A, SSOP-14

RoHS: Compliant

Min Qty: 1

Container: Reel

MAX4291EXK+T

D# 2511035

Maxim Integrated Products

OP AMP, 500KHZ, 0.2V/US, SC70-5

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1537

Part Number	Manufacturer	Description	Stock
291EX	HAMMOND	OEM/CM QUOTES ONLY \| NO BROKERS	5
MAX4291EXK		OEM/CM QUOTES ONLY \| NO BROKERS	17105
MAX4291EXKT	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	37700
MAX4291EXKTG069	Maxim Integrated Products	OEM/CM QUOTES ONLY \| NO BROKERS	14477

Part Number	Manufacturer	Description	Stock
MAX4291EXKTG069	Maxim Integrated Products	OEM/CM ONLY	4490
MAX4291EXK	Maxim Integrated Products	OEM/CM ONLY	4487
MAX4291EXKTTR	Maxim Integrated Products	OEM/CM ONLY	4491
MAX4291EXKTCT	Maxim Integrated Products	OEM/CM ONLY	4489
MAX4291EXKT	Maxim Integrated Products	OEM/CM ONLY	190

Part Number	Manufacturer	Description	Stock
MAX4291EXK-T	Maxim Integrated Products	OEM/CM Immediate delivery	2500
MAX4291EXK+T	Maxim Integrated Products	OEM/CM Immediate delivery	4581
MAX4291EXK+TG069	Maxim Integrated Products	OEM/CM Immediate delivery	12480

Part Number	Manufacturer	Description	Stock
TLE4291EXUMA2 D# 726-TLE4291EXUMA2	Infineon Technologies AG	LDO Voltage Regulators OPTIREG LINEAR RoHS: Compliant	2000
TLE4291E D# 726-TLE4291E	Infineon Technologies AG	LDO Voltage Regulators LINEAR VOLTAGE REGULATOR RoHS: Compliant	460
MAX4291EXK+T D# 700-MAX4291EXKT	Maxim Integrated Products	Operational Amplifiers - Op Amps Ultra-Small, +1.8V, uPower, Rail-to-Rail I/O Op Amps RoHS: Compliant	399

Part Number	Manufacturer	Description	Stock
TLE4291EXUMA2 D# 13AC0832	Infineon Technologies AG	LDO, FIXED, AEC-Q100, 5V, 0.45A, SSOP-14, Output Type:Fixed, Input Voltage Min:5.25V, Input Voltage Max:42V, Fixed Output Voltage Nom.:-, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:450mA, DropoutRoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Cut Tape	0
291EX D# 51R4287	Hammond Manufacturing	transformer - tube guitar amp - power RoHS: Not Compliant Min Qty: 1 Container: Bulk	4
MAX4291EXK+T D# 73Y4028	Maxim Integrated Products	OP AMP, 500KHZ, 0.2V/US, SC70-5, No. of Amplifiers:1 Amplifier, Bandwidth:500kHz, Slew Rate:0.2V/µs, Supply Voltage Range:± 0.9V to ± 2.75V, 1.8V to 5.5V, Amplifier Case Style:SC-70, No. of Pins:5Pins, Operating Temperature Min:-40°CRoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Cut Tape	1537

Part Number	Manufacturer	Description	Stock
MAX4291EXK+T D# NS-MAX4291EXK+T	Maxim Integrated Products	OEM/CM ONLY	5420
MAX4291EXK-T D# NS-MAX4291EXK-T	Maxim Integrated Products	OEM/CM ONLY	4699
291EX D# NS-291EX	Hammond Manufacturing	OEM/CM ONLY	6193

Part Number

Manufacturer

Description

Stock

291EX

Hammond Manufacturing

transformer - tube guitar amp -

Part Number	Manufacturer	Description	Stock
MAX4291EXK	Maxim Integrated Products	MAX4291 Ultra-Small, 1.8V, Micropower, Rail-To-Rail I/O Operational Amplifier RoHS: Not Compliant	5973
MAX4291EXK-T	Maxim Integrated Products	MAX4291 Ultra-Small, 1.8V, Micropower, Rail-To-Rail I/O Operational Amplifier RoHS: Not Compliant	32500
TLE4291EXUMA2	Infineon Technologies AG	TLE4291 - Linear Voltage Regulator RoHS: Compliant	2484

Part Number	Manufacturer	Description	Stock
MAX4291EXK+T	Maxim Integrated Products	OEM/CM ONLY	25016
TLE4291EXUMA2	Infineon Technologies AG	OEM/CM ONLY	2579
MAX4291EXK	Maxim Integrated Products	OEM/CM ONLY	14762
MAX4291EXK+TG069	Maxim Integrated Products	OEM/CM ONLY	12491

Part Number	Manufacturer	Description	Stock
MAX4291EXK-T	Maxim Integrated Products	IN stock Immediate delivery	2515
MAX4291EXK+T	Maxim Integrated Products	IN stock Immediate delivery	4596
MAX4291EXK+TG069	Maxim Integrated Products	IN stock Immediate delivery	12495

Part Number

Manufacturer

Description

Stock

MAX4291EXK+T

Maxim Integrated Products

shipping today

2496

Part Number

Manufacturer

Description

Stock

TLE4291EXUMA2

D# 32746259

Infineon Technologies AG

LDO Regulator Pos 5V 0.45A Automotive 14-Pin SSOP T/R

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
MAX4291EXK+TCT	Maxim Integrated Products	RFQ	5152
MAX4291EXK+TTR	Maxim Integrated Products	RFQ	3402
MAX4291EXK-T	Maxim Integrated Products	RFQ	10382
MAX4291EXK+T	Maxim Integrated Products	RFQ	14627

Part Number

Manufacturer

Description

Stock

MAX4291EXK-T

Maxim Integrated Products

IC OPAMP GP 500KHZ RRO SC70-5

3453

Part Number

Manufacturer

Description

Stock

TLE4291EXUMA2

D# 2710066

Infineon Technologies AG

LDO, FIXED, AEC-Q100, 5V, 0.45A, SSOP-14

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

Quick Inquiry

291EX

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