1N4947 [VISHAY]
GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER; 玻璃钝化结快速开关整流器
| 型号： | 1N4947 |
| 厂家： | 
VISHAY |
| 描述： | GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER |
| 文件： | 总2页 (文件大小：54K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1N4942 THRU 1N4948
GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
Reverse Voltage - 200 to 1000 Volts
Forward Current - 1. 0 Ampere
FEATURES
♦ High temperature metallurgically bonded construction
♦ Hermetically sealed package
♦ Glass passivated cavity-free junction
♦ 1.0 Ampere operation
DO-204AP
0.034 (0.86)
0.028 (0.71)
1.0 (25.4)
DIA.
MIN.
at TA=55°C with no
thermal runaway
♦ Typical I less than 0.1µA
R
♦ Capable of meeting environmental standards of
MIL-S-19500
0.240 (6.1)
MAX.
♦ Fast switching for high efficiency
♦ High temperature soldering guaranteed:
350°C/10 seconds, 0.375” (9.5mm) lead length,
5 lbs. (2.3kg) tension
0.150 (3.8)
0.100 (2.5)
DIA.
1.0 (25.4)
MIN.
MECHANICAL DATA
Case: JEDEC DO-204AP solid glass body
Terminals: Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Dimensions in inches and (millimeters)
*Brazed-lead assembly is covered by Patent No. 3,930,306
Polarity: Color band denotes cathode end
Weight: 0.02 ounce, 0.56 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
VRRM
VRMS
VDC
1N4942
200
1N4944
400
1N4946
600
1N4947
800
1N4948
1000
700
UNITS
Volts
Volts
Volts
Volts
* Maximum recurrent peak reverse voltage
Maximum RMS voltage
140
280
420
560
* Maximum DC blocking voltage
200
400
600
800
1000
1100
* Minimum reverse breakdown voltage at 50µA
V(BR)
220
440
660
880
* Maximum average forward rectified current
0.375” (9.5mm) lead length at TA=55°C
l(AV)
1.0
Amp
* Peak forward surge current
8.3ms single halt sine-wave superimposed
on rated load (JEDEC Method)
IFSM
25.0
Amps
* Maximum instantaneous forward voltage at: 1.0A
1.3
2.5
VF
IR
Volts
at 2.0A, TA=-40°C
TA=25°C
TA=175°C
* Maximum DC reverse current
at Rated DC blocking voltage
1.0
500.0
µA
* Maximum reverse recovery time (NOTE 1)
Typical junction capacitance (NOTE 2)
trr
CJ
150
250
500
ns
pF
15.0
55.0
Typical thermal resistance (NOTE 3)
RΘJA
TJ, TSTG
°C/W
°C
* Operating junction and storage temperature range
-65 to +175
NOTES:
(1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=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 1N4942 THRU 1N4948
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG. 1 - FORWARD CURRENT DERATING CURVE
30
20
1.0
0.75
0.5
T =T max.
J
J
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm)
LEAD LENGTH
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
10
0
0.25
0
25
50
75
100 125 150
175
1
10
100
AMBIENT TEMPERATURE, °C
NUMBER OF CYCLES AT 60 Hz
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
20
10
10
T =25°C
J
1
T =25°C
J
1
PULSE WIDTH=300µs
1% DUTY CYCLE
T =75°C
J
0.1
0.1
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
T =25°C
J
0.01
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
30
10
T
=25°C
J
f=1.0 MHz
Vsig=50mVp-p
1
1
10
100
REVERSE VOLTAGE, VOLTS
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