PA2804NL PULSE ELECTRONICS CORPORATION, PA2804NL Datasheet - Page 2

• Manufacturer Part Number: PA2804NL
• Manufacturer: PULSE ELECTRONICS CORPORATION

Specifications of PA2804NL

• Lead Free Status / Rohs Status: Compliant

HigH Frequency Wire Wound
TransFormers
EF25 Platforms - THT Vertical
notes
1. The temperature of the component (ambient plus temperature rise) must
2. The above transformers and inductors have been tested and approved
3. For flyback topology applications, it is necessary to ensure that the trans-
For more information:
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2009. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
Pulse Worldwide
Headquarters
12220 World Trade Dr.
San Diego, CA 92128
U.S.A.
www.pulseeng.com
Tel: [phone]
Fax: [phone]
be within the stated operating temperature range.
by Pulse’s power IC partners and are sited in the appropriate datasheet
or evaluation board documentation at these companies. To determine
which IC and IC partners are matched with the above Pulse part num-
bers please consult the IC Cross Reference on the Pulse website.
former will not saturate in the application. The peak flux density (Bpk)
should remain below 2700Gauss. To calculate the peak flux density use
the following formula:
Bpk (Gauss) = K1_Factor * Ipk(A)
Pulse Europe
Einsteinstrasse 1
D-71083 Herrenberg
Germany
Tel: [phone]
Fax: [phone]
29,21
1.15
20,82
.82
MAX
MAX
1
10
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Rd.
High-Tech Zone
Nanshan District
Shenzen, PR China 518057
TEL: [phone]
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DATE ORIGIN
27,94
PA2804NL
1.10
PULSE
MAX
5
6
mechanical
2
4. In high volt-µsec applications, it is important to calculate the core loss of
5. The “NL” suffix indicates an RoHS-compliant part number. Non-NL suf-
Pulse North China
Room 1503
XinYin Building
No. 888 YiShan Rd.
Shanghai 200233
China
Tel: [phone]
Fax: [phone]
the transformer. Approximate transformer core loss can be calculated as:
where DB can be calculated as:
fixed parts are not necessarily RoHS compliant, but are electrically and
mechanically equivalent to NL versions. If a part number does not have
the “NL” suffix, but an RoHS compliant version is required, please con-
tact Pulse for availability.
9X
CoreLoss (W) = 3.9E-13 * (Freq_kHz)
For Flyback Topology: DB = K1_Factor * D(A)
For Forward Topology: DB = K1_Factor * Volt-µsec
Ø
(.063)
1,60
4X
5,08
.20
SQ .027
0,69
4
3
2
5
1
(9X)
LAYOUT (PIN VIEW)
Pulse South Asia
135 Joo Seng Rd.
#03-02
PM Industrial Bldg.
Singapore 368363
TEL: [phone]
FAX: [phone]
20,32
.80
PRELIMINARY P681.A (5/09)
1.63
* (DB_Gauss)
6
7
8
9
10
Pulse North Asia
No. 26, Kao Ching Rd.
Yang Mei Chen
Taoyuan Hsien
Taiwan
R. O. C.
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2.63