HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER
VOLTAGE RANGE
50 to 1000 Volts
2.5 Ampere
HER251G THRU HER258G
CURRENT
FEATURES
R-3
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Glass passivated chip junction
Low power loss, high efficiency
Low leakage
High speed switching
High surge capacity
High temperature soldering guaranteed
260℃/10 seconds,0.375″(9.5mm) lead length
MECHANICAL DATA
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Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Dimensions in inches and (millimeters)
Weight: 0.020ounce, 0.56 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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Ratings at 25℃ 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 HER HER HER HER
251G 252G 253G 254G 255G 256G 257G 258G
SYMBOLS
UNIT
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
300
210
300
400
280
400
600
420
600
800
560
800
1000 Volts
700 Volts
Maximum DC Blocking Voltage
100
1000 Volts
Maximum Average Forward Rectified Current
at TA =50℃
I(AV)
2.5
Amps
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
IFSM
VF
IR
100
Amps
Volts
µA
Maximum Instantaneous Forward Voltage at 2.5A
1.0
1.3
5.0
250
1.5
1.7
35
TA = 25℃
Maximum DC Reverse Current at rated
DC Blocking Voltage at
TA = 125℃
Maximum Full Load Reverse Current, full cycle
average 0.375″(9.5mm) lead length at TL =55℃
Maximum Reverse Recovery Time
IR(AV)
trr
100
µA
50
75
nS
Test conditions IF =0.5A, IR =1.0A, IRR =0.25A,
Typical Junction Capacitance (NOTE 2)
Typical Thermal Resistance (NOTE 1)
Operating Junction Temperature Range
Storage Temperature Range
CJ
RθJA
TJ
30
pF
℃/W
℃
35
(-55 to +150)
(-55 to +150)
℃
TSTG
Notes:
1. Thermal Resistance from Junction to ambient with 0.375″(9.5mm) lead length, PCB mounted.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V
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