HER251 - HER258
PRV : 50 - 1000 Volts
Io : 2.5 Amperes
FEATURES :
*High current capability
*High surge current capability
*High reliability
*Low reverse current
*Low forward voltage drop
*Fast switching for high efficiency
MECHANICAL DATA :
*Case : D2A Molded plastic
*Epoxy : UL94V-O rate flame retardant
*Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed
*Polarity : Color band denotes cathode end
*Mounting position : Any
*Weight : 0.645 gram
HIGH EFFICIENT RECTIFIER DIODES
D2A
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0.161 (4.1) |
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1.00 (25.4) |
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MIN. |
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0.154 (3.9) |
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0.284 (7.2) |
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0.268 (6.8) |
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1.00 (25.4) |
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0.040 (1.02) |
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MIN. |
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0.0385 (0.98) |
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Dimensions in inches and ( millimeters )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING |
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SYMBOL |
HER |
HER |
HER |
HER |
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HER |
HER |
HER |
HER |
UNIT |
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251 |
252 |
253 |
254 |
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255 |
256 |
257 |
258 |
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Maximum Recurrent Peak Reverse Voltage |
VRRM |
50 |
100 |
200 |
300 |
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400 |
600 |
800 |
1000 |
V |
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Maximum RMS Voltage |
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VRMS |
35 |
70 |
140 |
210 |
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280 |
420 |
560 |
700 |
V |
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Maximum DC Blocking Voltage |
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VDC |
50 |
100 |
200 |
300 |
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400 |
600 |
800 |
1000 |
V |
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Maximum Average Forward Current |
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IF(AV) |
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2.5 |
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A |
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0.375"(9.5mm) Lead Length |
Ta = 55 °C |
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Maximum Peak Forward Surge Current, |
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8.3ms Single half sine wave superimposed |
IFSM |
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100 |
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A |
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on rated load (JEDEC Method) |
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Maximum Peak Forward Voltage at IF = 2.5 A |
VF |
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1.1 |
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1.7 |
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V |
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Maximum DC Reverse Current |
Ta = 25 °C |
IR |
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10 |
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μA |
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at Rated DC Blocking Voltage |
Ta = 100 °C |
IR(H) |
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50 |
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μA |
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Maximum Reverse Recovery Time ( Note 1 ) |
Trr |
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50 |
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75 |
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ns |
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Typical Junction Capacitance ( Note 2 ) |
CJ |
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50 |
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pf |
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Junction Temperature Range |
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TJ |
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- 65 to + 150 |
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°C |
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Storage Temperature Range |
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TSTG |
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- 65 to + 150 |
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°C |
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Notes :
( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
Page 1 of 2 |
Rev. 01 : April 2, 2002 |