General Semiconductor BY228 Datasheet

BY228 SERIES

0.250 (6.3)

0.170 (4.3)

0.052 (1.32)

0.048 (1.22)

DIA.

1.0 (25.4) MIN

MAX.

0.300 (7.6)

1.0 (25.4) MIN

CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER

Reverse Voltage - 1500 Volts Forward Current - 2.5 Amperes

Case Style G3

♦ High temperature metallurgically bonded construction ♦ Glass passivated cavity-free junction ♦ 2.5 ampere operation

at TA=50°C with no

PATENTED*

thermal runaway

♦ Typical IRless than 0.1µA ♦ Hermetically sealed package ♦ Capable of meeting environmental standards of

MIL-S-19500

♦ High temperature soldering guaranteed:

350°C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension

Case: Solid glass body Terminals: Solder plated axial leads, solderable per

MIL-STD-750, Method 2026

Dimensions in inches and (millimeters)

Polarity: Color band denotes cathode end Mounting Position: Any

Brazed-lead assembly is covered by Patent No. 3,930,306

Weight: 0.04 ounce, 1.1 grams

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Maximum non repetitive peak reverse voltage V Maximum repetitive peak reverse voltage V Maximum RMS voltage V Maximum DC blocking voltage V Maximum average forward rectified current

0.375” (9.5mm) lead length at T Peak forward surge current 10ms single half sine-wave

superimposed on rated load Maximum instantaneous forward voltage at 2.5A V Working peak forward current at T Peak repetitive forward surge current at T Maximum peak reverse current T

at rated peak reverse voltage T Maximum reverse recovery time Maximum forward recovery time Typical junction capacitance Typical thermal resistance Operating junction temperature range T Storage temperature range T

NOTES:

(1) Measured with I (2) Measured with I (3) Measured at 1.0 MH (4) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length,

P.C.B. mounted

=1.0A, IR=50mA, di/dt=50mA/µs

=5.0A with tr=0.1µs

and applied reverse voltage of 4.0 Volts

(NOTE 2)

(NOTE 4)

= 50°C

=75°C I

=25°C 5.0

=140°C

J (NOTE 1) (NOTE 2)

FEATURES

MECHANICAL DATA

SYMBOLS BY228 UNITS

RSM RRM RMS

(AV)

FSM

FWM

FRM

I t

ΘJA

STG

rr fr

1650 Volts 1500 Volts 1050 Volts 1500 Volts

2.5 Amps

50.0 Amps

1.6 Volts

5.0 Amps

10.0 Amps

200

µA

20.0 µs

1.0 µs

40.0 pF

20.0 °C/W

-65 to +150 °C

-65 to +200 °C

4/98

0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

0.01

0.1

3.0

2.0

1.0

25 50

100 125 150

175

200

100

110100

100

110100

0 20406080100

0.1

0.01

RATINGS AND CHARACTERISTIC CURVES BY228 SERIES

FIG. 1 - FORWARD CURRENT DERATING CURVE

CURRENT,AMPERES

AVERAGE FORWARD RECTIFIED

50 to 60 Hz RESISTIVE OR INDUCTIVE LOAD

0.375" (9.5mm) LEAD LENGTH

AMBIENT TEMPERATURE,°C

FIG. 3 -MAXIMUM PEAK REPETITIVE

FORWARD SURGE CURRENT

TA=75°C

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK

AMPERES

PEAK FORWARD SURGE CURRENT,

RATED LOAD

NUMBER OF CYCLES AT 50 Hz

FIG. 4 - TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

AMPERES

FORWARD SURGE CURRENT

TJ=TJmax. 10ms SINGLE SINE WAVE

NO LOAD

TJ=25°C PULSE WIDTH=300µs 1% DUTY CYCLE

FORWARD CURRENT, ApK

MAXIMUM PEAK REPETITIVE

DUTY CYCLE, PERCENT, %

FIG. 5 - TYPICAL REVERSE CHARACTERISTICS

TJ=125°C

MICROAMPERES

INSTANTANEOUS REVERSE CURRENT,

PERCENT OF RATED PEAK REVERSE VOLTAGE, %

TJ=25°C

INSTANTANEOUS FORWARD CURRENT,

INSTANTANEOUS FORWARD VOLTAGE, VOLTS

FIG. 6 - TYPICAL JUNCTION CAPACITANCE

JUNCTION CAPACITANCE, pF

REVERSE VOLTAGE, VOLTS

TJ=25°C f=1.0 MHz