P2781 查看數據表（PDF） - ETAL Group
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P2781 Datasheet PDF : 6 Pages
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P2781
CONSTRUCTION
Dimensions
Fig 8
2.54 2.54
(0.1) (0.1)
Conne c tions
Fig 9
e3
13.0 max
(0.51)
9.0 max
(0.36)
1
6
2
5
3
4
7.0 max
(0.28)
1.5
(0.06)
1.32
(0.052)
1.77
(0.07)
NOTE: Dimensions shown are in millimetres (inches)
Tolerance ± 0.3mm
Terminals electroplated pure tin (Sn) 5µm minimum.
JESD97 Category = e3.
Terminal size : 1.5 (0.06) long, 1.32 (0.05) wide
Dimensions shown are in millimetres (inches).
Geometric centres of outline and pad grid coincide within a tolerance circle of 0.3mmØ.
Windings may be used interchangeably as primary or secondary.
SAFETY
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.
CERTIFICATION
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.
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.
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.
ETALDOC 240/14
Page 5 of 5
October 2007
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