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1N4944 Datasheet(PDF) 1 Page - Shenzhen Ping Sheng Electronics Co., Ltd.

Part # 1N4944
Description  FAST RECOVER RECTIFIER
Download  2 Pages
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Manufacturer  PFS [Shenzhen Ping Sheng Electronics Co., Ltd.]
Direct Link  http://ps-pfs.en.alibaba.com/
Logo PFS - Shenzhen Ping Sheng Electronics Co., Ltd.

1N4944 Datasheet(HTML) 1 Page - Shenzhen Ping Sheng Electronics Co., Ltd.

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FAST RECOVER RECTIFIER
VOLTAGE RANGE
200 to 1000 Volts
1N4942 THRU 1N4948
CURRENT
1.0 Ampere
FEATURES
Low coat construction
Fast switching for high efficency.
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension
MECHANICAL DATA
Case: Transfer molded plastic
Epoxy: UL94V-O rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.012 ounce, 0.33 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
OC ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
1N
4942
1N
4944
1N
4946
1N
4947
1N
4948
UNITS
Maximum Repetitive Peak Reverse Voltage
VRRM
200
400
600
800
1000
Volts
Maximum RMS Voltage
VRMS
140
280
420
560
700
Volts
Maximum DC Blocking Voltage
VDC
200
400
600
800
1000
Volts
Maximum Average Forward Rectified Current
0.375”(9.5mm) lead length at TA= 75℃
I(AV)
1.0
Amp
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
IFSM
30
Amps
Maximum Instantaneous Forward Voltage @ 1.0A
VF
1.3
Volts
TA = 25℃
5.0
Maximum DC Reverse Current at Rated
DC Blocking Voltage
TA = 100℃
IR
100
µA
Maximum Reverse Recovery Time (Note 3) TJ=25℃
trr
150
250
500
ns
Typical Junction Capacitance (Note 1)
CJ
15
pF
Typical Thermal Resistance (Note 2)
RθJA
50
/W
Operating Junction Temperature Range
TJ
(-55 to +150)
Storage Temperature Range
TSTG
(-55 to +150)
Notes:
1.Measured at 1.0MHz and Applied Reverse Voltage of 4.0Volits.
2 Thermal Resistance from junction to Ambient at .375”(9.5mm)lead length, P.C.board mounted.
3.Reverse Recovery Test Conditions:If=0.5A,Ir=1.0A,Irr=0.25A
Dimensions in inches and (millimeters)
DIA.
.034(0.9)
.028(0.7)
DIA.
.107(2.7)
.080(2.0)
.205(5.2)
.160(4.2)
1.0(25.4)
MIN.
1.0(25.4)
MIN.
DO-41
Web Site: WWW.PS-PFS.COM


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