HER251G Megastar Electronics Inc., HER251G Datasheet
HER251G
Manufacturer Part Number
HER251G
Description
High Efficiency Glass Passivated Rectifier
Manufacturer
Megastar Electronics Inc.
Datasheet
1.HER251G.pdf
(2 pages)
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current,
At T
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage @ 2.5A
Maximum DC Reverse Current at Rated
DC Blocking Voltage per element
Maximum Full Load Reverse Current, Full Cycle average
0.375” (9.5mm) lead length
Maximum Reverse Recovery Time
Test conditions I
Typical Junction Capacitance
Typical Thermal Resistance (Note 1)
Operating Junction Temperature Range
Storage Temperature Range
(Measured at 1.0MHz and applied reverse voltage of 4.0V)
HER251G THRU HER258G
FEATURES
•
•
•
•
•
•
MECHANICAL DATA
•
•
•
•
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MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
•
•
•
Notes:
MEI
A
= 50
Glass passivated chip junction
Low power loss, high efficiency
Low Leakage
High speed switching
High Surge Capacity
High Temperature soldering guaranteed:
260
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: 0.020 ounce, 0.56 gram
Ratings at 25
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
1.
O
O
C
Thermal resistance from junction to ambient with 0.375” (9.5mm) lead length, PCB mounted
C / 10 second, 0.375” (9.5mm) lead length
F
=
0.5A, I
O
C ambient temperature unless otherwise specified
R
= 1.0A, I
at T
RoHS Compliant
L
= 55
Lead Free
RR
O
T
T
C
= 0.25A
A
A
HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER
= 25
= 125
O
C
O
C
SYMBOLS
V
I
V
T
I
I
R
V
R(AV)
(AV)
V
FSM
C
T
RRM
I
t
RMS
STG
θJA
DC
R
rr
F
J
J
251G
HER
50
35
50
252G
HER
100
100
1.0
70
253G
HER
200
140
200
VOLTAGE RANGE
CURRENT
50
30
(-55 to +150)
(-55 to +150)
254G
HER
300
210
300
150
250
100
2.5
1.3
5.0
35
255G
HER
400
280
400
256G
HER
600
420
600
1.5
257G
HER
R-3
800
560
800
50 to 1000 Volts
2.5 Ampere
1.7
70
35
258G
HER
1000 Volts
1000 Volts
700
Amps
Amps
O
Volts
Volts
UNIT
C/W
µA
µA
O
O
nS
pF
C
C
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HER251G Summary of contents
Page 1
... MEI Lead Free RoHS Compliant HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER HER251G THRU HER258G FEATURES Glass passivated chip junction • Low power loss, high efficiency • Low Leakage • High speed switching • High Surge Capacity • High Temperature soldering guaranteed: • ...
Page 2
... Lead Free RoHS Compliant RATINGS AND CHARACTERISTIC CURVES HER251G THRU HER258G ...