BA157 Просмотр технического описания (PDF) - Leshan Radio Company

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BA157

Fast Switching Plastic Rectifiers

Leshan Radio Company 

LESHAN RADIO COMPANY, LTD.

4.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )

Fig. 1 – Forward Current Derating Curve

Fig. 2 – Maximum Non-repetitive Peak

Forward Surge Current

60 Hz

TJ = TJ max

Resistive or

8.3ms Single Half Sine-wave

1.0

Inductive Load

30

(JEDEC Method)

0.5

0.375" (9.5mm) Lead Length

0

0 25 50 75 100 125 150 175

Ambient Temperature, °C

Fig 3. – Typical Instantaneous Forward

10

Characteristics

1.0

0.1

0.01

TJ = 25°C

Pulse width = 300µs

1% Duty Cycle

0.001

0.6 0.8 1.0 1.2 1.4 1.6

Instantaneous Forward Voltage (V)

Fig 5. –typical transient thermal

impedance

100

10

1.0

15

0

1

10

100

Number of Cycles at 60Hz

Fig 4. – Typical Reverse Characteristics

100

Tj=100℃

10

1.0

0.1

Tj=25℃

0.01

0

20 40

60 80 100

Percent of Rated Peak Reverse Voltage (%)

Fig 6. – Typical Junction Capacitance

20

10

TJ = 25°C

f = 1.0 MHz

Vsig = 50mVp-p

0.1

0.01 0.1

1.0

10

100

t,Pulse duration,sec

1.0

0.1

1

10

Reverse Voltage (V)

100

2/3

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