HER253 MIC [MIC GROUP RECTIFIERS], HER253 Datasheet
HER253
Manufacturer Part Number
HER253
Description
HIGH EFFICIENCY RECTIFIER
Manufacturer
MIC [MIC GROUP RECTIFIERS]
Datasheet
1.HER253.pdf
(2 pages)
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
0.375”(9.5mm) lead length 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
Maximum Full Load Recovery Current,full cycle
average 0.375”(9.5mm)lead length at TL=55℃
Maximum Reverse Recovery Time
Test conditions IF=0.5A,IR=1.0A,IRR=0.25A
Typical Thermal Resistance (NOTE 2)
Typical Thermal Resistance(NOTE 1)
Operating Junction Temperature Range
Storage Temperature Range
HER251 THRU HER258
FEATURES
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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
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
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
Ratings at 25
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
O
C ambient temperature unless otherwise specified
A
= 50℃
E-mail:
T
T
A
A
sales@cnmic.com
= 25℃
= 125℃
HIGH EFFICIENCY RECTIFIER
SYMBOLS
IR
V
V
T
I
I
R
V
(AV)
V
FSM
trr
C
I
T
RRM
RMS
STG
(AV)
θJA
DC
R
F
J
J
HER
251
50
35
50
Web Site: www.cnmic.com
HER
252
100
100
1.0
70
HER
253
200
140
200
50
30
VOLTAGE RANGE
CURRENT
HER
Dimensions in inches and (millimeters)
254
300
210
300
(-55 to +150)
(-55 to +150)
1.0(25.4)
.160(4.1)
.138(3.5)
1.0(25.4)
MIN.
MIN.
1.3
250
100
2.5
100
5.0
35
400
280
400
HER
255
.038(0.96)
.042(1.1)
.160(4.1)
.138(3.5)
HER
256
600
420
600
1.5
2.5Ampere
DIA.
50 to 1000 Volts
DIA.
HER
257
800
560
800
75
35
1.7
R-3
1000
HER
1000
258
700
UNITS
Amps
Volts
Volts
Volts
Volts
Amp
℃
µA
µA
ns
PF
℃
℃
/W
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HER253 Summary of contents
Page 1
HER251 THRU HER258 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 ...
Page 2
HER251 THRU HER258 RATING AND CHRACTERISTIC CURVES HER251 THRU HER258 FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 3.0 2.0 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm)Lead Length 0 100 125 AMBIENT TEMPERATURE, (° C) ...