P3311 [ETAL]

LOW DISTORTION LINE MATCHING TRANSFORMER; 低失真线路匹配变压器


型号：	P3311
厂家：	ETAL Group
描述：	LOW DISTORTION LINE MATCHING TRANSFORMER 低失真线路匹配变压器变压器配套器件
文件：	总5页 (文件大小：165K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

PRODUCT DATA SHEET

LOW DISTORTION

LINE MATCHING TRANSFORMER

P3311

Features

Applications

∗ Lead-free (Pb-free)

∗ RoHS compliant

∗ V.90 and V.92 Modems

∗ V.34 Modems

∗ Low Distortion

∗ 12.6mm (0.5”) Seated Height

∗ Industry Standard Pinout

∗ IEC 60950 and UL 60950 Certified

∗ UL Recognized Component

∗ Environmentally tested to IEC 68

∗ CERT reliability tested

∗ Excellent Frequency Response

∗ High Thermal Stability

∗ Directly replaces 2811B and ATS-273

DESCRIPTION

P3311 is intended for V.90 and V.92 (56kbps)

modems and other high-speed applications where

ultra-low distortion at moderate power levels and

very low voiceband frequencies is required at a

most competitive price.

P3311 is certified to, IEC 60950 and UL 60950.

P3311 is a UL Recognized Component and is

supported by an IEC CB Test Certificate. The

part is completely lead-free, compliant with RoHS

Directive 2002/95/EC, and suitable for lead-free

and conventional processing.

P3311 is offered as a direct replacement for 2811B

and ATS-273 in existing circuits without changes to

matching components.

P3311 has been subjected to relevant

environmental testing according to IEC 68 and

Combined Environmental Reliability Testing

(CERT) beyond normal operational levels and

passed all tests, remaining fully functional.

P3311 uses patented design and construction

methods to achieve excellent signal performance

and safety isolation to international standards.

FOR NEW DESIGNS

Patented

P3356 IS RECOMMENDED

ETALDOC 751/6

Page 1 of 5

April 2005

P3311

SPECIFICATIONS

Electrical

At T = 25ºC and as reference circuit Fig. 2 unless otherwise stated.

Parameter

Conditions

Min

Typ

Max

2.0

Units

Insertion Loss

f = 2kHz, R_L= 600Ω

Frequency Response

LF -3dB cutoff

HF -3dB cutoff

100Hz – 4kHz

kHz

±0.1

Return Loss

200Hz – 4kHz

Third Harmonic

Distortion⁽¹⁾

150Hz -3dBm in line

-78

dBm

Voltage Isolation⁽²⁾

50Hz

2.12

3.0

kVrms

Operating Range:

Functional

Storage

-40

+70

+85

ºC

Lumped equivalent circuit parameters as Fig. 1

DC resistance⁽³⁾, R_DC

Sum of windings

227

4.3

270

7.2

Leakage inductance, ΔL

Shunt inductance⁽⁴⁾, Lp

Shunt loss⁽⁴⁾, Rp

200Hz 10mV

kΩ

Notes:

Equivalent Circuit

Fig . 1

1. Third harmonic typically exceeds other

harmonics by 10dB.

2. Components are 100% tested at 3.25kVDC.

3. Caution: do not pass DC through windings.

Telephone line current must be diverted using

semiconductor line hold circuit or choke.

4. At signal levels greater than 100mV, Lp will

increase and Rp will decrease slightly but the

effect is usually favourable to the return loss

characteristic.

IDEAL

1:1

½R

Patented

ETALDOC 751/6

Page 2 of 5

April 2005

P3311

600 Reference Circuit

Fig . 2

600

22μF

360

TXA1

TXA2

LINE

CONSTRUCTION

Dimensions

Connections

Dimensions shown are in millimetres (inches).

Geometric centres of outline and pin grid coincide within a tolerance circle of 0.6mmØ.

Windings may be used interchangeably as primary or secondary.

Total weight typically 7g.

Patented

ETALDOC 751/6

Page 3 of 5

April 2005

P3311

ENVIRONMENTAL TESTING

Reliability testing to IEC 68

Tested to clauses of IEC 68 and compliant with all functional and safety requirements following exposure as follows:

Test description IEC 68 reference

Test details

Result

Robustness of 68-2-21 Test Ua₁

Tensile 5N pull

Thrust 1N push

No impairment

No pin detachment or distortion

terminations

Solderability

68-2-21 Test Ua₂

68-2-20 Test Ta Method 1 Solder bath 235ºC 2s

No impairment

Finish smooth, bright and even

Resistance to

soldering heat

68-2-20 Test Tb Method 1A Solder bath 260ºC 10s

68-2-20 Test Tb Method 2 Soldering iron 350ºC 5s

Vibration

68-2-6 Test Fc

Sweep 10-55-10Hz in 1 minute

Amplitude 1.5mm pk-pk

Duration 2h per axis, 3 axes

No impairment

Shock

68-2-27 Test Ea

Peak acceleration 1000m/s²

Duration of pulse 6ms

3 shocks each direction on 3 axes

Cold

68-2-1 Test Ab

68-2-2 Test Bb

68-2-3 Test Ca

68-2-14 Test Na

-25ºC 16h

Recovery to ambient 1-2h

No impairment

Dry heat

Damp heat

125ºC 16h

Recovery to ambient 1-2h

40ºC 4 days, RH 93%

Recovery to ambient 1-2h

Change of

T_A–25ºC

temperature

T_B+85ºC

t₁30 min

2 min ≤t₂≤3 min

Recovery to ambient 1-2h

5 cycles

Combined Environmental Reliability Testing (CERT)

Components step stressed at increasing levels of severity using combined stresses to detect potential

weaknesses.

Results are shown for highest levels of stress tested. Compliant with all functional and safety tests following

exposure as follows:

Test description

Test details

Duration

Result

Storage Test

Thermal cycling -30ºC to +100ºC at

11ºC/min

20 mins per

plane

No impairment

6mm pk 2-9Hz at 1 octave/min

20m/s²9-200Hz

Transportation Test Thermal cycling -65ºC to +80ºC

Random vibration 10-200Hz and

2 hours per

plane

No impairment

200-2000Hz at 57m/s²RMS

ETALDOC 751/6

Page 4 of 5

April 2005

P3311

SAFETY

ABSOLUTE MAXIMUM RATINGS

(Ratings of components independent of circuit).

Constructed in accordance with IEC 60950-1,

EN 60950-1 and UL 60950-1, supplementary

insulation, 250Vrms maximum working voltage,

flammability class V-0.

Short term isolation voltage (1s)

2.12kVrms,

3.0 kVDC

100μA

-40ºC to

+85ºC

DC current

Storage temperature

There are no special installation requirements

(beyond attending to usual PCB track separations)

since the integral cover provides supplementary

insulation from its external faces to internal core

and windings.

Lead temperature, 10s

260ºC

CERTIFICATION

INTELLECTUAL PROPERTY RIGHTS

Certified under the IEC CB scheme (Certificate

DK-8570) to IEC 60950-1-2001, sub-clauses 1.5,

1.5.1, 1.5.2, 1.7.1, 2.9, 2.9.1, 2.9.2, 2.9.3, 2.10, 2.10.1,

2.10.2, 2.10.3, 2.10.3.1, 2.10.3.3, 2.10.4, 2.10.5,

2.10.5.1, 2.10.5.2, 2.10.5.4, 4.7, 4.7.1 (classV-1), 4.7.3,

4.7.3.1, 4.7.3.4, 5.2, 5.2.1, 5.2.2, 6.1.2.1 (Finland,

Norway, Sweden national deviations) for a maximum

working voltage of 250Vrms, nominal mains supply

voltage not exceeding 300Vrms and a maximum

operating temperature of 70ºC in Pollution Degree

2 environments.

ETAL and P3311 are Trade Marks of Profec

Technologies Ltd.

The Trade Mark ETAL is registered at the UK

Trade Marks Registry.

Profec Technologies Ltd. is the owner of the

design right under the Copyright Designs and

Patents Act 1988 and no rights or licences are

hereby granted or implied to any third party.

P3311 design and construction are protected by

patents and registered design.

British Patent No. 2333646.

USA Patent Nos. 6, 344, 787; 6,690,254

European Patent No. 1082734

Recognized under the Component Recognition

Program of Underwriters Laboratories Inc. to US and

Canadian

requirements

CAN/CSA

C22.2

China Patent No. ZL 99806739.3

No. 60950-1-03/UL60950-1, First Edition, based on

IEC 60950-1, First Edition, maximum working voltage

180Vrms (creepage), 420V peak (clearance), Pollution

Degree 2, supplementary insulation.

UK Registered Design No. 2077360.

French Registered Design No. 991512.

United States Registered Design 426, 815.

Mexico Registered Design 12143

Other patents and registered designs pending.

UL File number E203175.

Reproduction prohibited

Additionally, Profec Technologies certifies all

transformers as providing voltage isolation of

2.12kVrms, 3kV DC minimum. All shipments are

supported by a certificate of conformity to current

applicable safety standards.

E203175

ISO 9001

FM 25326

ETAL Group Oy, Kuormatie 14, FIN-03101, Nummela

Telephone: +358 (0)20 7500 330

Fax: +358 (0)20 7500 333

Website: www.etalgroup.com

Email: etalgroup@egruppen.com

ETALDOC 751/6

Page 5 of 5

April 2005

P3311 [ETAL]

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