HER251 Datasheet, PDF (1/2 Pages) EIC discrete Semiconductors – HIGH EFFICIENT RECTIFIER DIODES

HIGH EFFICIENCY RECTIFIER
HER251 THRU HER257
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
2.5Ampere
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: 0.020ounce, 0.56 grams
1.0(25.4)
MIN.
.160(4.1)
.138(3.5)
1.0(25.4)
MIN.
.042(1.1)
.038(0.96)
DIA.
R-3
.160(4.1) _DIA.
.138(3.5)
Dimensions in inches and ^{(millimeters)}
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%
HER HER HER HER
SYMBOLS _{251 252 253 254}
HER
255
Maximum Repetitive Peak Reverse Voltage
V_RRM
50 100 200 300 400
Maximum RMS Voltage
V_RMS
35
70 140 210 280
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
0.375”(9.5mm) lead length at TA= 50℃
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
V_DC
50 100 200 300 400
I_(AV)
2.5
I_FSM
100
Maximum Instantaneous Forward Voltage @ 2.5A
V_F
1.0
1.3
Maximum DC Reverse Current at Rated
DC Blocking Voltage
TA = 25℃
TA = 125℃
I_R
5.0
250
Maximum Full Load Recovery Current,full cycle
average 0.375”(9.5mm)lead length at TL=55℃
IR_(AV)
100
Maximum Reverse Recovery Time
Test conditions IF=0.5A,IR=1.0A,IRR=0.25A
trr
50
Typical Thermal Resistance (NOTE 2)
Typical Thermal Resistance(NOTE 1)
C_J
R_θJA
30
35
Operating Junction Temperature Range
T_J
(-55 to +150)
Storage Temperature Range
T_STG
(-55 to +150)
Notes:
1 Thermal resistance from junction to ambient with .375”(9.5mm)lead length, PCB. mounted. .
2. Measured at 1.0 MHz and applied reverse of 4.0 V
HER
256
600
420
600
1.5
HER
257
800
560
800
HER
258
1000
700
1000
UNITS
Volts
Volts
Volts
Amp
Amps
1.7
Volts
µA
µA
75
ns
35
PF
℃/W
℃
℃
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