P4KA8.2中文资料

P4KA6.8 THRU P4KA43A

AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR

Breakdown Voltage - 6.8 to 43 Volts Peak Pulse Power - 400 Watts

FEATURES

?Plastic package has Underwriters Laboratory Flammability

Classification 94V-0

? Designed for under the hood applications ?Exclusive patented PAR?

oxide passivated chip construction

?400W 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 1.0ps from 0 Volts to V (BR)

? For devices with V (BR)≥

10V, I D are typically less than 1.0μA

?High temperature soldering guaranteed:

300°C/10 seconds, 0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension

MECHANICAL DATA

Case:JEDEC DO-204AL molded plastic body over passivated junction

Terminals:Plated axial leads, solderable per MIL-STD-750,Method 2026

Polarity:Color band denotes positive end (cathode)Mounting Position:Any

Weight:0.012 ounce, 0.3 gram

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOL VALUE UNITS

Peak pulse power dissipation with a 10/1000μs waveform (NOTE 1, FIG. 1)

P PPM Minimum 400

Watts Peak pulse current with a 10/1000μs waveform

(NOTE 1, FIG. 3)

I PPM SEE TABLE 1

Amps Steady state power dissipation at T L =75°C lead lengths 0.375" (9.5mm) (NOTE 2)

P M(AV) 1.0Watts Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load I FSM 40.0Amps (JEDEC Method) (NOTE 3)

Maximum instantaneous forward voltage at 25A V F 3.5Volts Operating junction and storage temperature range

T J , T STG

-65 to +185

°C

NOTES:

(1) Non-repetitive current pulse, per Fig. 3 and derated above T A =25°C per Fig. 2(2) Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5

8/6/98

DO-204AL

Available in unidirectional only

P A T E

N

T E

D *Dimensions in inches and (millimeters)

Patent #’s 4,980,315

5,166,7695,278,094

*

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

ELECTRICAL CHARACTERISTICS at (T A=25°C unless otherwise noted) TABLE 1 (Cont’d)

NOTES:

(1) V(BR)measured after I T applied for 300μs, I T=square wave pulse or equivalent

(2) Surge current waveform per Fig. 3 and derated per Fig. 2

(3) All terms and symbols are consistent with ANSI/IEEE C62.35