HER251G Datasheet, PDF (1/2 Pages) MIC GROUP RECTIFIERS – HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER

HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER
HER251G THRU HER258G
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
2.5 Ampere
FEATURES
• 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
• 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
• Weight: 0.020ounce, 0.56 gram
R-3
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
• Ratings at 25℃ ambient temperature unless otherwise specified
• Single Phase, half wave, 60Hz, resistive or inductive load
• For capacitive load derate current by 20%
SYMBOLS
HER
251G
HER
252G
HER
253G
HER
254G
HER
255G
HER
256G
Maximum Repetitive Peak Reverse Voltage
V_RRM 50 100 200 300 400 600
Maximum RMS Voltage
V_RMS 35 70 140 210 280 420
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at TA =50℃
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
V_DC
50 100 200 300 400 600
I_(AV)
2.5
I_FSM
100
Maximum Instantaneous Forward Voltage at 2.5A
V_F
1.0
1.3
1.5
Maximum DC Reverse Current at rated ^TA ^{= 25℃}
DC Blocking Voltage at
TA = 125℃
I_R
5.0
250
Maximum Full Load Reverse Current, full cycle
average 0.375″(9.5mm) lead length at TL =55℃
Maximum Reverse Recovery Time
Test conditions IF =0.5A, I_R =1.0A, I_RR =0.25A,
Typical Junction Capacitance (NOTE 2)
I_R(AV)
t_rr
C_J
100
50
30
Typical Thermal Resistance (NOTE 1)
R_θJA
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 0.375″(9.5mm) lead length, PCB mounted.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V
HER
257G
800
560
800
HER
258G
1000
700
1000
1.7
75
35
UNIT
Volts
Volts
Volts
Amps
Amps
Volts
µA
µA
nS
pF
℃/W
℃
℃
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