1N4944G-E [UNIOHM]

Rectifier Diode, 1 Element, 1A, 400V V(RRM), Silicon, DO-41,;


型号：	1N4944G-E
厂家：	UNIOHM CORPORATION
描述：	Rectifier Diode, 1 Element, 1A, 400V V(RRM), Silicon, DO-41, 整流二极管快速恢复二极管
文件：	总2页 (文件大小：67K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

1N4942 THRU 1N4948

1.0 AMP FAST RECOVERY RECTIFIERS

VOLTAGE RANGE

200 to 1000 Volts

CURRENT

1.0 Ampere

FEATURES

* Low forward voltage drop

* Low leakage current

* High reliability

DO-41

.107(2.7)

.080(2.0)

DIA.

* High current capability

1.0(25.4)

MIN.

MECHANICAL DATA

* Case: Molded plastic

.205(5.2)

.166(4.2)

* Epoxy: UL 94V-0 rate flame retardant

* Lead: Axial leads, solderable per MIL-STD-202,

method 208 guranteed

* Polarity: Color band denotes cathode end

* Mounting position: Any

1.0(25.4)

MIN.

.034(.9)

* Weight: 0.34 grams

.028(.7)

DIA.

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating 25 C ambient temperature uniess otherwies specified.

Single phase half wave, 60Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

UNITS

TYPE NUMBER

1N4942

1N4944

1N4946

1N4947

1N4948

Maximum Recurrent 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

.375"(9.5mm) Lead Length at Ta=75 C

1.0

Peak Forward Surge Current, 8.3 ms single half sine-wave

superimposed on rated load (JEDEC method)

Maximum Instantaneous Forward Voltage at 1.0A

1.3

5.0

Maximum DC Reverse Current

Ta=25 C

at Rated DC Blocking Voltage

Ta=100 C

100

Maximum Reverse Recovery Time (Note 1)

Typical Junction Capacitance (Note 2)

150

250

500

-65 +150

Operating and Storage Temperature Range TJ, TSTG

NOTES:

1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A

2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.

RATING AND CHARACTERISTIC CURVES (1N4942 THRU 1N4948)

FIG.1-TYPICAL FORWARD

FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE

CHARACTERISTICS

1.2

1.0

0.8

0.6

3.0

1.0

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

0.4

0.375"(9.5mm) Lead Length

0.2

100

120

140

160

180

200

Tj=25 C

AMBIENT TEMPERATURE,( C)

Pulse Width 300us

1% Duty Cycle

0.1

FIG.4-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

.01

.8 1.0 1.2 1.4 1.6 1.8 2.0

FORWARD VOLTAGE,(V)

FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTICS

8.3ms Single Half

Tj=25 C

Sine Wave

50W

10W

NONINDUCTIVE

JEDEC method

(

)

(+)

D.U.T.

25Vdc

PULSE

GENERATOR

(NOTE 2)

(approx.)

100

(

)

(+)

NUMBER OF CYCLES AT 60Hz

OSCILLISCOPE

(NOTE 1)

NON-

INDUCTIVE

NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.

2. Rise Time= 10ns max., Source Impedance= 50 ohms.

FIG.5-TYPICAL JUNCTION CAPACITANCE

trr

+0.5A

-0.25A

-1.0A

.01

.05

100

1cm

SET TIME BASE FOR

50 / 10ns / cm

REVERSE VOLTAGE,(V)