HIGH FREQUENCY PLANAR

TRANSFORMERS

Spyglass Series (up to 140W)

1. The above transformers have been tested and approved by Pulse's IC

partners and are cited in the appropriate datasheet or evaluation board

documentation at these companies. To determine which IC and IC

companies are matched with the above transformers, please refer to

the IC cross reference on the Pulse web page. See the Spyglass

transfomer matrix on the next page for other winding configurations

that can be made available.

2. The listed transformers are designed to meet basic insulation (1.4mm

creepage and clearance with 1500Vdc isolation). Lower cost

transformers with operational insulation (1500Vdc isolation with no

creepage and clearance spacings) are available. Please contact Pulse

Power Applications Engineering for details.

3. To determine if the transformer is suitable for your application,

it is necessary to ensure that the temperature rise of the

component (ambieint plus temperature rise) does not exceed

its operating temperature. To determine the approximate temperature

rise of the transformer, refer to the graphs below.

4. Add suffix “T” to part number for Tape & Reel package (i.e. PA0168T).

5. RoHS compliant parts are being introduced. Please contact Pulse for

RoHS compliant part availability. If available, order part by adding the

suffix "NL" to the part number (i.e. PA0168 becomes PA0168NL and

PA0168T becomes PA0168NLT).

Notes from Tables

Temperature Rise vs. Power (W) Dissipation

0

20

40

60

80

100

120

01

2

3

4

5

6

7

Total Power (W) Dissipation

Core Loss vs. Flux Density

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0

500

1000

1500

2000

2500

100kHz

200kHz

300kHz

400kHz

500kHz

600kHz

700kHz

DB = 179211.46 * Vin_min * Dutycycle_max / (Freq_kHz * Pri_Turns)

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P576.A (5/06)

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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.

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