1N4944GP [VISHAY]

GLASS PASSIVATED JUNCTION FAST SWITCHING PLASTIC RECTIFIER; 玻璃钝化结快速开关塑封整流


型号：	1N4944GP
厂家：	VISHAY
描述：	GLASS PASSIVATED JUNCTION FAST SWITCHING PLASTIC RECTIFIER 玻璃钝化结快速开关塑封整流二极管开关
文件：	总2页 (文件大小：63K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

1N4942GP THRU 1N4948GP

GLASS PASSIVATED JUNCTION FAST

SWITCHING PLASTIC RECTIFIER

Reverse Voltage - 200 to 1000 Volts

Forward Current - 1.0 Ampere

DO-204AL

FEATURES

♦ Plastic package has

Underwriters Laboratory

Flammability Classification 94V-0

1.0 (25.4)

MIN.

♦ High temperature metallurgically bonded construction

♦ For use in high frequency rectifier circuits

♦ Fast switching for high efficiency

♦ Glass passivated cavity-free junction

♦ Capable of meeting environmental standards of

MIL-S-19500

0.107 (2.7)

0.080 (2.0)

DIA.

0.205 (5.2)

0.160 (4.1)

♦ 1.0 Ampere operation at T =55°C with no thermal

runaway

1.0 (25.4)

MIN.

♦ High temperature soldering guaranteed:

350°C/10 seconds, 0.375" (9.5mm) lead length,

5 lbs. (2.3kg) tension

0.034 (0.86)

0.028 (0.71)

DIA.

0.026 (0.66)

0.023 (0.58)

NOTE: Lead diameter is

for suffix "E" part numbers

MECHANICAL DATA

Case: JEDEC DO-204AL molded plastic over glass body

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

Method 2026

Dimensions in inches and (millimeters)

*Glass-plastic encapsulation technique is covered by

Patent No. 3,996,602 and brazed-lead assembly by Patent No,3,930,306

Polarity: Color band denotes cathode end

Mounting Position: Any

Weight: 0.012 ounce, 0.3 gram

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOLS

V_RRM

V_RMS

V_DC

4942GP

4944GP

4946GP

4947GP

4948GP

UNITS

Volts

* Maximum repetitive peak reverse voltage

* Maximum RMS voltage

200

140

200

400

280

400

600

420

600

800

560

800

1000

700

* Maximum DC blocking voltage

1000

* Maximum average forward rectified current

0.375" (9.5mm) lead length at T_A=55°C

I_(AV)

1.0

Amp

* Peak forward surge current

8.3ms single half sine-wave superimposed

on rated load (JEDEC Method)

I_FSM

25.0

1.3

Amps

* Maximum instantaneous forward voltage at 1.0A

V_F

I_R

Volts

* Maximum DC reverse current

at rated DC blocking voltage

T_A= 25°C

T_A=150°C

1.0

200.0

µA

* Maximum reverse recovery time _{(NOTE 1)}

Typical junction capacitance _{(NOTE 2)}

t_rr

C_J

150

250

500

15.0

55.0

Typical thermal resistance _{(NOTE 3)}

R_ΘJA

T_J,T_STG

°C/W

°C

* Operating junction and storage temperature range

-65 to +175

NOTES:

(1) Reverse recovery test conditions: I_F=0.5A, I_R=1.0A, I_rr=0.25A

(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts

(3) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, P.C.B. mounted

* JEDEC registered values

4/98

RATINGS AND CHARACTERISTIC CURVES 1N4942GP THRU 1N4948GP

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK

FIG. 1 - FORWARD CURRENT DERATING CURVE

FORWARD SURGE CURRENT

1.0

0.75

0.5

RESISTIVE OR

INDUCTIVE LOAD

T =T max.

8.3ms SINGLE HALF SINE-WAVE

(JEDEC Method)

0.25

0.375" (9.5mm) LEAD LENGTH

75 100 125 150 175

5.0

100

AMBIENT TEMPERATURE, °C

NUMBER OF CYCLES AT 60 H_Z

FIG. 4 - TYPICAL REVERSE

CHARACTERISTICS

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS

T =125°C

T =25°C

PULSE WIDTH = 300µs

1% DUTY CYCLE

0.1

T =75°C

0.1

0.01

0.4 0.6 0.8 1.0 1.2 1.4 1.6

T =25°C

INSTANTANEOUS FORWARD VOLTAGE,

VOLTS

100

PERCENT OF RATED PEAK REVERSE

VOLTAGE, %

FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

100

T =25°C

f=1.0 MH

Vsig=50mVp-p

0.1

0.01

0.1

100

t, PULSE DURATION, sec

REVERSE VOLTAGE, VOLTS

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