ETAL P3191

PRODUCT DATA SHEET
MICROPROFILE SMD
LINE MATCHING TRANSFORMER
Features
Applications
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Surface Mount
Lead-free (Pb-free)
RoHS compliant
7mm seated height
Vacuum encapsulated
IEC 60950 and UL 60950 certified
UL Recognized Component
Simple 600Ω match
P3191
Telecommunications
V.34 modems
Portable computers
Fax/Modems
DESCRIPTION
P3191 is a low distortion microprofile transformer
for applications where high performance and safety
isolation to international standards are required in an
extremely small case size.
Designed specifically as a surface mount device, the
P3191 features a 7mm seated height and is offered
in the same package as the now familiar P2781.
The part is compliant with RoHS Directive
2002/95/EC, and suitable for lead-free and
conventional placement and reflow.
When used with 600Ω lines no external
compensation components are required.
At moderate transmit power levels (e.g. -10dBm)
performance to 33,600 bits/second may be
achieved.
P3191 is certified to IEC 60950 and UL 60950.
P3191 is a UL Recognized Component, and is
supported an IEC CB Test Certificate.
Despite the subminiature size, the performance is
superior to that of much larger components. The
P3191 offers reinforced insulation, is ideal for data
communications at high data rates, and can be
matched to both 600Ω and complex impedance
telephone lines.
ETALDOC 590/10
Page 1 of 4
October 2007
P3191
SPECIFICATIONS
Electrical
At T = 25°C and as circuit Fig. 2 unless otherwise stated.
Parameter
Conditions
Min
Typ
Max
Units
Insertion Loss
f = 2kHz
-
-
4.5
dB
Frequency response
-3dB LF cutoff
-3dB HF cutoff
200Hz - 4kHz
-
50
35
-
±0.2
Hz
kHz
dB
Return Loss
200Hz - 4kHz
16
-
-
dB
Third Harmonic
Distortion (1)
600Hz -10dBm in line
-
-93
-
dBm
Balance
DC - 5kHz
Method TG25
80
-
-
dB
Saturation
Excitation 50Hz
250Vrms.
Output voltage
across line
-
-
10
65
Vrms
Vpeak
3.88
5.5
-
-
kVrms
kV
-25
–40
-
-
+85
+125
95
°C
°C
%R.H.
270
-
340
Ω
-
5.6
-
mH
10mv 200Hz
2.4
-
-
H
10mV 200Hz
7
-
-
kΩ
Voltage
isolation(2)
50Hz
DC
Operating range:
Functional
Storage(5)
Humidity
Ambient temperature
Lumped equivalent circuit parameters as Fig. 1
DC resistance, RDC(3)
Sum of windings
Leakage
inductance ΔL
Shunt
inductance Lp(4)
(4)
Shunt loss Rp
Notes
1. Third harmonic typically exceeds other
harmonics by 20dB.
2. Components are 100% tested at 6.5 kVDC.
3. Caution: do not pass DC through windings.
Telephone line current, etc. must be diverted
using choke or semiconductor line hold circuit.
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.
5. Excludes shipping materials.
Components
are dry-packed and sealed as shipped.
Handle in accordance with IPC/JEDEC
J-STD-033
procedure
for
components
classified as IPC/JEDEC J-STD-020 Moisture
Sensitivity Level 5a.
ETALDOC 590/10
Page 2 of 4
Equivalent Circuit
Fig. 1
½ L ½R
½R
½ L
IDEAL
1:1
October 2007
P3191
MATCHING RECOMMENDATIONS
600Ω MATCH
EUROPEAN CTR21 COMPLEX MATCH
Recommended Circ uit
Recommended Circ uit
Fig 2
Fig 3
600
6.8μF
150nF
270
LINE
430
2.2μF
100n
750
15n
910
LINE
In practice, the 910Ω load resistor will connect to a low output impedance TX driver. The 100nF capacitor
should appear in parallel with the 910Ω load resistor (rather than in parallel with transformer winding) to
obtain optimum TX flatness to line.
CONSTRUCTION
Dimensions
2.54 2.54
Fig 3
(0.1) (0.1)
Connections
Fig 4
13.0 max
(0.51)
e3
9.0 max
(0.36)
7.0 max
(0.28)
1.5
(0.06)
NOTE:
1
6
2
5
3
4
1.77
(0.07)
1.32
(0.052)
Tolerance ± 0.3mm
Terminals electroplated pure tin (Sn) 5µm minimum.
JESD97 c ategory = e3.
Terminal size : 1.5 (0.06) long, 1.32 (0.05) wide
Dimensions shown are in millimetres (inches)
Dimensions shown are in millimetres (inches).
Geometric centres of outline and pad grid coincide within a tolerance circle of 0.3mm∅.
Windings may be used interchangeably as primary or secondary.
ETALDOC 590/10
Page 3 of 4
October 2007
P3191
SAFETY
CERTIFICATION
Manufactured from materials conforming to
flammability requirements of UL94V-0.
Distance through reinforced insulation 0.4mm
minimum.
Creepage and clearances in circuit are 7mm
minimum where PCB pads do not exceed 3mmØ.
Construction
complies
with
IEC 60950-1,
EN 60950-1
and
UL 60950-1,
reinforced
insulation, 250Vrms maximum working voltage.
Certified by BSI to IEC 60950 Third Edition
(1999) (IEC CB Test Certificate No. GB592W)
sub-clauses 1.5, 1.5.1, 1.5.2, 2.9, 2.9.1, 2.9.2,
2.9.3, 2.9.4, 2.9.5, 2.10, 2.10.1, 2.10.2, 2.10.3,
2.10.3.1, 2.10.3.2, 2.10.4, 2.10.5, 2.10.5.1,
2.10.7, 2.10.8, 4.7, 4.7.3, 4.7.3.1, 4.7.3.4,
(Flammability Class V-0) ,5.2, 5.2.1, and 5.2.2 for
a maximum working voltage of 250Vrms, nominal
mains supply voltage not exceeding 250Vrms
and a maximum operating temperature of +85°C
in Pollution Degree 2 environment, reinforced
insulation.
ABSOLUTE MAXIMUM RATINGS
(Ratings of components independent of circuit).
Short term isolation voltage (2s)
DC current
Storage temperature
4.6 kVrms,
6.5kVDC
100μA
-40°C to
+125°C
Recognized under the Component Recognition
Program of Underwriters Laboratories Inc. to US and
Canadian
requirements
CAN/CSA
C22.2
No. 60950-1-03/UL60950-1, First Edition, based on
IEC 60950-1, First Edition, maximum working
voltage 250Vrms, Pollution Degree 2, reinforced
insulation.
UL File number E203175.
Soldering temperature
Profile peak
260°C 10s
Recommended peak body temperature 245°C in
accordance with IPC/JEDEC J-STD-033.
Additionally, Profec Technologies certifies all
transformers as providing voltage isolation of
3.88kVrms, 5.5kV DC minimum. All shipments
are supported by a Certificate of Conformity to
current applicable safety standards.
ORDERING CODE
COPYRIGHT
ETAL, P3191 and P2781 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.
P3191
TR = Tape and Reel
(Blank) = Bulk in tubes.
Carrier tape width 24mm,
500 parts per 13” reel.
British Patent No. 2283195
US Patent No. 5879598
European Patent No. 0725719
© 1998 - 2005 Profec Technologies Ltd.
Reproduction prohibited.
E203175
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 590/10
Page 4 of 4
ISO 9001
FM 25326
October 2007