BA60951CS – Flyback Transformer

Features

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Isolated flyback transformer

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Designed for isolated power supplies operating at 120 kHz

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Working voltage: 800 V

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Basic insulation

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2.25 watts of output power

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RoHS compliant*

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AEC-Q200 compliant

Electrical Specifications @ 25 °C

Bourns

Part Number

Primary Inductance

@ 250 kHz / 0.1 V

±10 % (µH)

Leakage Inductance

@ 250 kHz / 0.1 V

(All Sec. Pins

Shorted) max. (µH)

Turns Ratio

DCR (W) max.

Isat (A)

L (1-2)

Lk (1-3)

P(1-2) : A(3-4) P(1-2) : S(8-6)

Pri (1-2)

Aux (3-4)

Sec (8-6)

L (1-2)

BA60951CS

25

0.6

1.27

0.77

0.55

0.55

0.66

1.4

Product Dimensions

Primary Input Voltage..................... 7-24 V

Auxiliary Voltage.................... 9 V, 20 mA

Secondary Voltage ............ 15 V, 150 mA

Primary Rated Current.....................1.4 A

Frequency...................................120 kHz

Hi-Pot Prim/Sec..............2500 Vac / 60 s

Operating Temperature

................................ -40 °C to +155 °C

Max. Ambient Temperature...........125 °C

Storage Temperature

................................ -40 °C to +155 °C

Compliant to ...........................IEC 61558

Creepage/Clearance Distance

of Primary to Secondary..............8 mm

Level of Insulation

... Basic for a working voltage of 800 V

Material Group III Pollution degree 2

Moisture Sensitivity Level......................1

General Specifications

Core.............................................. Ferrite

Wire .... Enameled/triple-insulated copper

Terminal Finish ................................... Sn

Packaging........ 550 pcs. per 13-inch reel

Materials

13.6

(.535)

MAX.

COPLANARITY

8 PINS

TAPE 2TS

PIN 1

10.5

(.413)

MAX.

5.97

(.235)

0.127

(.005)

15.0 ± 0.5

(.591 ± .020)

16.9 ± 0.5

(.665 ± .020)

0.6 ± 0.15

(.024 ± .006)

2.0 ± 0.3

(.079 ± .012)

MAX.

8 PLCS.

Recommended Layout

14.1

(.555)

18

(.709)

1.2

(.047)

2

(.079)

8 PLCS.

Electrical Schematic

PRIMARY

7-24 Vdc, 120 kHz

SECONDARY

15 Vdc, 0.15 A

AUX

9 Vdc, 20 mA

1

6

8

2

3

4

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are

subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

DIMENSIONS:

MM

(INCHES)

DIMENSIONS:

MM

(INCHES)

Additional Information

Click these links for more information:

PRODUCT TECHNICAL

LIBRARY

INVENTORY SAMPLES CONTACT

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

AUTOMOTIVE

GRADE