July 1, 2008

DATATRONIC:

28151 Highway 74, Romoland, CA 92585 Tel 951-928-7700, Toll free 888-889-5391, FAX 951-928-7701

Email: ddisales@datatronics.com

499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290

All specifications are subject to change without notice.

1.32

.052

SM77121

DATE CODE

SUGGESTED PAD

LAYOUT

6.40

.252

5.08

.200

1.27

.050

1.78

.070

6

8.36

.329

6.35

.250

6.86

.270

1

3

4

5

2.54

.100

2.54

.100

2.40 MAX

.094

1

3

6

5

4

SCHEMATIC

GATE DRIVE TRANSFORMER SM77121

ELECTRICAL SPECIFICATIONS AT 25

°C:

TURN RATIO (1-3) : (6-5-4)

1 : 2CT +/-2 %

OCL (1-3) @100kHz, 0.1V

2.0 mH

±30%

Leakage L (1-3) @ 500kHz, 0.1V, SHORT (6-4)

4.0

μH ±20%

DCR (1-3)

1.00

Ω MAX

DCR (6-5)

1.00

Ω MAX

DCR (5-4)

1.00

Ω MAX

POLARITY

1, 6 & 5 SAME PHASE

HIPOT (1-3) TO (4-5-6)

1500 VDC

HIPOT (1,3,4,5,6) TO CORE

750 VDC

OPERATING VOLTAGE

8.5 V MAX

OPERATING FREQUENCY

200 kHz

ET

4 Vµsec Nominal

OPERATING TEMPERATURE

-40

°C TO +130°C

MECHANICAL OUTLINE:

NOTES:

1.

Dimensions are shown in millimeters/inches

2.

Unless otherwise specified, tolerance: ±0,25/0.010

3.

Coplanarity: 0.102/0.004

4.

For non-RoHS parts replace SM prefix with 42- (e.g. SM77121 becomes 42-77121)

5.

Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C