MICROSEMI UPS840

580 Pleasant St.
Watertown, MA 02472
PH: (617) 926-0404
FAX: (617) 924-1235
UPS840
PRELIMINARY
SURFACE MOUNT
8A SCHOTTKY RECTIFIER
POWERMITE
 3 Power Surface Mount Package
Features:
•
•
•
•
•
Low Profile -- Maximum Height of 1.1 mm
2
Footprint Area of 16.51 mm
Low VF Provides Higher Efficiency
Supplied in 16 mm Tape and Reel -- 6,000 Units per Reel
Low Thermal Resistance with Direct Thermal Path of Die on Exposed
Cathode Heat Sink
SCHOTTKY BARRIER
RECTIFIER
8 AMPERES
40 VOLTS
Mechanical Characteristics:
•
•
•
•
•
•
Case: Molded Epoxy
Epoxy Meets UL94, VO at 1/8"
Weight: 72 mg (approximately)
Device Marking: S840
Lead and Mounting Surface Temperature for Soldering Purposes,
260°°C Maximum for 10 Seconds
K
A
A
Maximum Ratings
RATING
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current (At Rated VR, TC = 100°°C)
Non-Repetitive Peak Surge Current
(Non-Repetitive peak surge current with 8A IO)
Storage Temperature
Operating Temperature
Voltage Rate of Change (Rated VR, TJ = 25°°C)
SYMBOL
VRRM
VRWM
VR
IO
VALUE
40
UNIT
V
8
A
IFSM
150
A
Tstg, TC
TJ
dv/dt
-55 to 150
-55 to 125
1000
°C
°C
V/µ
µs
Rtjtab
Rtja
2.5
130
°C/W
VF
TJ = 25°°C
0.37
0.45
0.49
TJ = 25°°C
5
V
Thermal Characteristics
Thermal Resistance - Junction-to-Case
Thermal Resistance - Junction-to-Ambient
Electrical Characteristics
Maximum Instantaneous Forward Voltage (1)
(IF = 3 A)
(IF = 8 A)
(IF = 10 A)
Maximum Instantaneous Reverse Current
(VR = 40 V)
(1) Pulse Test: Pulse Width ≤ 400 µs, Duty Cycle ≤ 2%.
MSCO993.PDF 11-10-99
IR
mA
UPS840
PRELIMINARY
MECHANICAL DIMENSIONS
POWERMITE-3
A
K
A
K
CASE OUTLINE
FOOTPRINT
MSCO993.PDF 11-10-99