300BX datasheet, PDF - EEWORLD Datasheet

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300BX: DescriptionPower Transformers Universal Primary 280VA/800V CT @288mA; CategoryPower management transformer; File Size198KB，3 Pages; ManufacturerHammond; Websitehttp://www.hammondmfg.com; Environmental Compliance

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300BX Overview

Power Transformers Universal Primary 280VA/800V CT @288mA

300BX Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Hammond
Reach Compliance Code	compliant
ECCN code	EAR99
Transformer type	POWER TRANSFORMER
Base Number Matches	1

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5/6/2018

High Voltage (Plate) & Filament (300 Series) - Hammond Mfg.

Quality Products. Service Excellence.

High Voltage (Plate) & Filament

300 Series

Universal Primary & 50/60 Hz Operation

Features

Primary: Universal - 100, 110, 120, 200, 220,230, 240 VAC 50/60 Hz.

NOTE: units are designed to operate with BOTH primary windings engaged.

See primary wiring information under resources.

Bias Tap: 50 VAC tap from high voltage secondary C.T. (except part number

379WX

-

uses a separate 60VAC 0.2 Amp winding).

Highpot tested: 2,000 VAC

Faraday Copper Primary Shield: Our electrostatic shield reduces the capacitive coupling

from the primary - greatly attenuating higher frequency current coupling to the

secondaries (shield is internally grounded to the end bell).

Windings: Concentric wound for low stray field and low noise.

Models: This series is an upgrade from our entire

200 Series

range of units PLUS 2

models designed specifically for 300B tubes (Part Number

300BX)

and 2A3 tubes (Part

Number

302AX).

Finish: Black powder paint to match our 1650 series of output transformers Units can be

run full wave bridge or full wave C.T.

Conservative designs - CSA certified (209651).

For a more economical, open frame, universal primary - check out our

260 Series.

For that "high end" look & feel check out our potted versions - the

300P Series.

Gallery

A.C.

High Voltage

Secondary

Part No. VA

363AX

369AX

369BX

32

40

39

R.M.S.

200V C.T. @ 115ma.

250V C.T. @ 115ma.

300V C.T. @ 86ma.

Bias Tap on High

Voltage secondary

with C.T Grounded

(VAC)

50

Filament #1

(VAC)

5V C.T. @ 2A

6.3V C.T. @ 2A

Filament #2

(VAC)

-

Filament #3

(VAC)

-

Filament #4

(VAC)

-

Dimension

Reference

X6

https://www.hammfg.com/electronics/transformers/classic/300

1/3

300BX Related Products

	300BX	378X	370KX	370DAZ	371X	370LX
Description	Power Transformers Universal Primary 280VA/800V CT @288mA	Power Transformers Universal Primary 237VA/800V CT @230mA	Power Transformers Universal Primary 229VA/500V CT @322mA	Power Transformers Universal Primary 76VA, 520V CT @104mA	Power Transformers Universal Primary 63VA, 560V CT @69mA	Power Transformers Universal Primary 340VA/550V CT @460mA
Product Attribute	-	-	Attribute Value	Attribute Value	Attribute Value	Attribute Value
Manufacturer	-	-	Hammond	Hammond	Hammond	Hammond
Product Category	-	-	Power Transformers	Power Transformers	Power Transformers	Power Transformers
RoHS	-	-	Details	Details	Details	Details
Primary Voltage Rating	-	-	100 VAC to 240 VAC	100 VAC to 240 VAC	100 VAC to 240 VAC	100 VAC to 240 VAC
Secondary Voltage Rating	-	-	500 VAC CT	520 VAC CT	560 VAC CT	550 VAC CT
Power Rating	-	-	229 VA	76 VA	63 VA	340 VA
Secondary Current Rating	-	-	322 mA	104 mA	69 mA	460 mA
Mounting Style	-	-	Chassis	Chassis	Chassis	Chassis
Primary Winding	-	-	Dual Primary Winding	Dual Primary Winding	Dual Primary Winding	Dual Primary Winding
Secondary Winding	-	-	Triple Secondary Winding	Dual Secondary Winding	Triple Secondary Winding	Triple Secondary Winding
Length	-	-	106.42 mm	71.37 mm	76.2 mm	123.19 mm
Width	-	-	95.25 mm	57.15 mm	63.5 mm	111.25 mm
Height	-	-	115.82 mm	88.9 mm	77.72 mm	134.62 mm
Operating Frequency	-	-	50 Hz, 60 Hz	50 Hz, 60 Hz	50 Hz, 60 Hz	50 Hz, 60 Hz
Operating Temperature Range	-	-	0 C to + 105 C	0 C to + 105 C	0 C to + 105 C	0 C to + 105 C
Termination Style	-	-	Wire Leads	Wire Leads	Wire Leads	Wire Leads
Type	-	-	Plate and Filament Power Transformers	Plate and Filament Power Transformers	Plate and Filament Power Transformers	Plate and Filament Power Transformers
Factory Pack Quantity	-	-	1	1	1	1
Unit Weight	-	-	2.300 lbs	2.700 lbs	2.500 lbs	2.300 lbs

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