SURFACE MOUNT HIGH EFFICIENCY RECTIFIER
US1A THRU US1M
FEATURES
•
•
•
•
•
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
1.0 Ampere
DO-214AC(SMA)
Plastic package has underwrites laboratory flammability
Classification 94V-0
Built-in strain relief, ideal for automated placement
Glass passivated chip junction
Fast switching for high efficiency
High temperature soldering
260℃/10 second
MECHANICAL DATA
•
•
•
•
•
Case: JEDED DO-214AC molded plastic over
glass passivated chip
Terminals: Solder plated, solderable per
MIL-STD-750, method 2026
Polarity: Color band denotes cathode end
Weight: 0.002ounce, 0.064 gram
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 US1A US1B
Maximum Repetitive Peak Reverse Voltage
V
RRM
50
100
Maximum RMS Voltage
V
RMS
35
70
Maximum DC Blocking Voltage
V
DC
50
100
Maximum Average Forward Rectified Current
At T
A
=55℃
Peak Forward Surge Current
8.3ms single half sine wave superimposed on
rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage per at 1.0A
Maximum DC Reverse Current at rated T
A
= 25℃
DC Blocking Voltage
T
A
= 125℃
Typical Reverse Recovery Time Test conditions
I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
Typical Junction Capacitance
(Measured at 1.0MHz and applied reverse voltage of 4.0V)
Typical Thermal Resistance (Note 1)
Operating Junction Temperature
Storage Temperature Range
•
•
•
US1D
200
140
200
US1G
400
280
400
1.0
30
US1J
600
420
600
US1K
800
560
800
US1M
1000
700
1000
UNIT
Volts
Volts
Volts
Amps
Amps
I
(AV)
I
FSM
V
F
I
R
t
rr
C
J
R
θJA
R
θJL
T
J
T
STG
50
20
1.0
1.30
5.0
100
1.70
Volts
µA
100
15
88
28
(-55 to +150)
(-55 to +150)
nS
pF
℃
/W
℃
℃
Notes:
1. Thermal resistance from Junction to ambient and from junction to lead mounted on
P.C.B. with 0.2×0.2″(5.0
×
5.0mm) copper pad areas.
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SURFACE MOUNT HIGH EFFICIENCY RECTIFIER
US1A THRU US1M
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
1.0 Ampere
RATING AND CHRACTERISTIC CURVES US1A THRU US1M
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,
1.2
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
1.0
30
0.8
CURRENT, (A)
8.3ms Single H alf Sine-W ave
(JEDEC M ethod) T= T
jm ax
20
(A)
0.6
0.4
Single Phase
Half W ave 60 Hz
Resistive or
Inductive Lo ad
0.37 5″(9.5m m) Lead Length
10
0.2
0
0
25
50 55
75
100
125
150
175
0
1
1 C ycle
2
4
6
8
40
60
100
10
20
AMBIENT TEMPERATURE, (° C)
FIG .3-TYPICAL INSTANTANEO US
FO RWARD CHARACTERISTICS
100
NUMBER OF CYCLES AT 60 Hz
FIG .4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
100
INSTANTANEOUS FORWARD CURRENT,
10
/1 0
0/ 2
00
0- 4
V
00
V
50
0V
60
-1
0
0V
30
10
0V
1.0
(μA)
(A)
80
T
J
=100° C
1.0
0.1
T
J
=25℃
T
J
=25° C
Pulse W idth=300us
1% D uty C ycle
0.01
0 .4
0.6
0.8
1.0
1.2
1.4
1 .6
1.8
0.1
0
20
40
60
80
100
120
140
INSTANTANEO US FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
1000
PERCENT O F RATED PEAK
REVERSE VO LTAGE,(%)
JUNCTION CAPACITANCE,(pF)
F1G .6-TES T CIRCUIT DIAG RAM A ND
RE VE RSE RECO VE RY TIME CHARA CTERISTIC
T rr
US
US
1A
50Ω
10Ω
NON IND U CTIVE N O NIN DU C TIVE
+0.5A
(-)
-U S
1G
(+)
25 Vdc
(approx.)
(-)
D .U .T.
100
1 J-
US
1M
PULSE
G EN ER ATIOR
(N OTE 2)
(+)
OSCILLO S CO PE
(N O TE 1)
0
-0.25A
T
J
=25° C
f=1M Hz
Vsig=50m Vp-p
1Ω
NO N
IN D UC TIVE
-1.0A
1cm
10
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
NOTES : 1.Rise Time=7ns mas. Input Impedance=
1 magohm. 22pF
2.Rise time=10ns max. Source Impedance=
50 ohms
SE T TIM E B AS E FOR
50/100ns/cm
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
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