General Semiconductor SAC18, SAC22, SAC50, SAC6.0, SAC7.0 Datasheet

...

SAC5.0 THRU SAC50 SERIES

LOW CAPACITANCE TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR

Stand-off Voltage - 5.0 to 50 Volts Peak Pulse Power - 500 Watts

FEATURES

♦ Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

♦ Glass passivated junctions ♦ 500W peak pulse power capability with a 10/1000µs

waveform, repetition rate (duty cycle): 0.01%

♦ Excellent clamping

capability

♦ Low incremental surge resistance ♦ Fast response time: typically less

than 1.0ns from 0 Volts to V

(BR)

♦ Ideal for data line applications ♦ High temperature soldering guaranteed:

265°C/10 seconds, 0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension

MECHANICAL DATA

Case: JEDEC DO-204AC molded plastic over a passivated

junction Terminals: Solder plated axial leads, solderable per MILSTD-750, Method 2026

Polarity: Color band denotes positive end (cathode) Mounting Position: Any Weight: 0.015 ounce, 0.4 gram

MAXIMUM RATINGS AND CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOL VALUE UNITS

Peak pulse power dissipation with a 10/1000µs waveform

(NOTE 1 )

PPM

Minimum 500 Watts

Steady state power dissipation at T

=75°C with

lead lengths or 0.375" (9.5mm)

M(AV)

3.0 Watts

Peak pulse power surge current with a 10/1000µs waveform

(NOTE 1, FIG. 3)

PPM SEE TABLE 1

Amps

Operating junction and storage temperature range

, T

STG

-55 to +175 °C

NOTES:

(1) Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2

1/5/99

0.034 (0.86)

0.028 (0.71)

0.140 (3.6)

0.104 (2.6)

DIA.

1.0

MIN.

(25.4)

0.230 (5.8)

0.300 (7.6)

1.0

MIN.

(25.4)

Dimensions in inches

and

(millimeters)

DO-204AC

Schematic

Diode

Transient

Voltage

Suppressor

RATINGS AND CHARACTERISTIC CURVES SAC5.0 THRU SAC50 SERIES

TL, LEAD TEMPERATURE, °C

FIG. 3 - PULSE WAVEFORM

t, TIME, ms

PPM,

PEAK PULSE CURRENT, %

PERCENTAGE OF RATED POWER, (%)

PULSE WIDTH (td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% of I

tr=10µsec.

HALF VALUE - I

10/1000µsec. WAVEFORM AS DEFINED BY R.E.A.

PEAK VALUE I

PPM

FIG. 2 - POWER DERATING CURVE

FIG. 1 - PEAK PULSE POWER RATING CURVE

PPM

, PEAK PULSE POWER, kW

td, PULSE WIDTH, sec.

NON-REPETITIVE PULSE WAVEFORM SHOWN in FIG. 3 TA=25°C

IMPULSE

EXPONENTIAL

DECAY

HALF SINE

SQUARE

CURRENT WAVEFORMS

1.0

0.5 td

AVERAGE POWER

PEAK POWER (SINGLE PULSE)

Minimum Maximum Maximum Maximum Maximum Working Inverse Peak

Stand-off Breakdown Reverse Clamping Peak Pulse Junction Inverse Blocking Inverse

Voltage Voltage Leakage Voltage Current Capacitance Blocking Leakage Blocking

(NOTE 1)

at IT= 1.0mA at V

at IPP=5.0A per FIG. 3 at Voltage Current Voltage

Part V

(BR)

Vc l

0 VOLTS V

WIB

at V

WIB

PIB

Number (VOLTS) (VOLTS) (uA) (VOLTS) (AMPS) (pF) (VOLTS) IIB(mA) (VOLTS)

SAC5.0 5.0 7.60 300 10.0 44 50 75 1.0 100 SAC6.0 6.0 7.90 300 11.2 41 50 75 1.0 100 SAC7.0 7.0 8.33 300 12.6 38 50 75 1.0 100 SAC8.0 8.0 8.89 100 13.4 36 50 75 1.0 100 SAC8.5 8.5 9.44 50 14.0 34 50 75 1.0 100 SAC10 10 11.10 5.0 16.3 29 50 75 1.0 100 SAC12 12 13.30 5.0 19.0 25 50 75 1.0 100 SAC15 15 16.70 5.0 23.6 20 50 75 1.0 100 SAC18 18 20.00 5.0 28.8 15 50 75 1.0 100 SAC22 22 24.40 5.0 35.4 14 50 75 1.0 100 SAC26 26 28.90 5.0 42.3 11.1 50 75 1.0 100 SAC30 30 33.30 5.0 48.6 10.0 50 75 1.0 100 SAC36 36 40.00 5.0 60.0 8.6 50 75 1.0 100 SAC45 45 50.00 5.0 77.0 6.8 50 150 1.0 200 SAC50 50 55.50 5.0 88.0 5.8 50 150 1.0 200

ELECTRICAL CHARACTERISTICS at (TA=25°C unless otherwise noted) TABLE 1

FIG. 4 - AC LINE PROTECTION APPLICATION

APPLICATION NOTE: Device must be used with two units in parallel, opposite in

polarity as shown in circuit for AC signal line protection

LOW CAPACITANCE

TRANSIENT VOLTAGE

SUPPRESSOR

100

1.0

0.1

150

100

1.0

2.0

3.0

100

1.0ms

10ms

100

150

4.0