BA157 THRU BA159

Features

Mechanical Data

· Plastic package has Underwrites Laboratory Flammability

Classification 94V-0

· Fast switching speed

· Diffused junction

· High current capability

· High temperature soldering guaranteed : 250℃/10 seconds,

0.375"(9.5mm) lead length, 5 lbs.(2.3kg) tension.

Maximum Ratings And Electrical Characteristics

· Case : JEDEC DO-41 molded plastic body

· Terminals : Plated axial lead solderable per MIL-STD-750,

method 2026

· Polarity : Color band denotes cathode end

· Mounting Position : Any

· Weight : 0.012 ounce, 0.34 gram

(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive

load. For capacitive load, derate by 20%)

CURRENT 1.0 Ampere

VOLTAGE 400 to 1000 Volts

Notes:

(2) Measured at 1MHz and applied reverse voltage of 4.0 Volts.

Maximum recurrent peak reverse voltage

Maximum RMS voltage

Maximum DC blocking voltage

Volts

Peak forward surge current 10ms single half

sine-wave superimposed on rated load at

Maximum average forward rectified current

Maximum instantaneous forward voltage

at 1.0A

Volts

Symbols

Units

1.3

1.0

Amps

35.0

-65 to +150

℃

Volts

Amp

Maximum DC reverse current at rated DC

Maximum reverse recovery time (Note 1)

Typical junction capacitance (Note 2)

Operating junction and storage

temperature range

5.0

Volts

μA

ns

pF

Trr

6.0

400

BA157

280

400

600

BA158

420

600

1000

BA159

700

1000

Max. thermal resistance

250

60

150

℃/W

Dimensions in inches and (millimeters)

DO-41

1.0(25.4)

MIN.

1.0(25.4)

MIN.

0.205(5.2)

0.166(4.2)

0.034(0.9)

0.028(0.7)

DIA.

0.107(2.7)

0.080(2.0)

DIA.