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1N4944 Scheda tecnica(PDF) 1 Page - Microdiode Electronics (Jiangsu) Co.,Ltd.

Il numero della parte 1N4944
Spiegazioni elettronici  FAST RECOVERY RECTIFIERS
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Produttore elettronici  CHENDA [Microdiode Electronics (Jiangsu) Co.,Ltd.]
Homepage  http://www.microdiode.com/en
Logo CHENDA - Microdiode Electronics (Jiangsu) Co.,Ltd.

1N4944 Scheda tecnica(HTML) 1 Page - Microdiode Electronics (Jiangsu) Co.,Ltd.

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1N4942 THRU 1N4948
FAST RECOVERY RECTIFIERS
Reverse Voltage - 200 to 1000 Volts
Forward Current - 1.0 Ampere
Case: JEDEC DO-41 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.012 ounce, 0.33 grams
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Fast switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375(9.5mm) lead length,
5 lbs. (2.3kg) tension
FEATURES
MECHANICAL DATA
Dimensions in inches and (millimeters)
DO-41
0.107(2.7)
0.080(2.0)
DIA.
0.034(0.86)
0.028(0.70)
DIA.
1.0 (25.4)
MIN.
0.205(5.2)
0.166(4.2)
1.0 (25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
1000
VOLTS
VOLTS
VOLTS
SYMBOLS
UNITS
Amp
Amps
Volts
VRRM
VRMS
VDC
I(AV)
IFSM
VF
1.0
30.0
1.3
Operating junction and storage temperature range
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375
” (9.5mm) lead length at TA =75 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
TA=25 C
at rated DC blocking voltage
TA=100 C
IR
5.0
50.0
R
θJA
CJ
TJ,TSTG
50.0
15.0
-65 to +150
pF
C
A
µ
Typical thermal resistance (NOTE 3)
C/W
Typical junction capacitance (NOTE 2)
Maximum reverse recovery time
(NOTE 1)
trr
150
250
500
ns
1N
4942
1N
4944
1N
4947
1N
4948
1N
4946
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375
”(9.5mm)lead length,P.C.B. mounted
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number


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