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NEC's 4-PIN ULTRA SMALL FLAT-LEAD,
LOW OUTPUT CAPACITANCE PS7802-1A
1-CH OPTICAL COUPLED MOSFET
FEATURES
• LOW C x R :
C x R = 12.6 pF • Ω
• 1 CHANNEL TYPE:
1a output
• LOW ON-STATE RESISTANCE:
Ron = 1.1 Ω TYP
• HIGH PASS CHARACTERISTICS:
ERT = 45 ps TYP
• DESIGNED FOR AC/DC SWITCHING LINE CHANGER
• ULTRA SMALL FLAT-LEAD PACKAGE:
4.2 (L) X 2.5 (W) X 1.85 (H) mm
• LOW OFFSET VOLTAGE
• ORDERING NUMBER OF TAPING PRODUCT:
PS7801-1A-F3, F4 (3 500 pcs/reel)
DESCRIPTION
NEC's PS7802-1A is a low output capacitance solid state
relay containing GaAs LEDs on the light emitting side (input
side) and MOSFETs on the output side.
An ultra small ßat-lead package has been provided which
realizes a reduction in mounting area about 50% compared
with the PS72xx series.
It is suitable for high frequency signal control, due to its low
C x R, low on-state resistance, and low off-state leakage
current.
APPLICATIONS
• MEASUREMENT EQUIPMENT
ELECTRICAL CHARACTERISTICS (TA = 25 °C)
PART NUMBER
SYMBOLS
PARAMETERS
Diode
MOS FET
VF
IR
ILOFF
Cout
Forward Voltage, IF = 5 mA
Reverse Current, VR = 5 V
Off-State Leakage Current, VD = 40 V
Output Capacitance, VD = 0 V, f = 1 MHz
RON On-State Resistance, IF = 5 mA, IL = 250 mA
tON Turn-on Time, IF = 5 mA, VO = 5 V, RL = 500 Ω, PW 10 ms
tOFF Turn-off Time, IF = 5 mA, VO = 5 V, RL = 500 Ω, PW 10 ms
RI-O Isolation Resistance, VI-O = 0.5 k VDC
CI-O Isolation Capacitance, V = 0 V, f = 1 MHz
ERT
Equivalent Rise Time, IF = 10 mA, tr (in) = 25.0 ps, V = 250
mV, 50 Ω termination
1. Test Circuit for Switching Time
Pulse Input
IF
VL
MIN
109
Input
PS7802-1A
TYP
1.1
0.1
11.5
1.1
0.1
0.08
MAX
1.4
5.0
1
1.6
0.5
0.50
0.3
45
UNITS
V
μA
nA
pF
Ω
ms
ms
Ω
pF
ps
50%
0
Input monitor
Rin
Vo monitor
RL
VO = 5 V
Output
90%
10%
ton toff
2. The turn-on time and turn-off time are speciÞed as input-pulse width 10 ms. Please note that when the device operates with an input-pulse of
under 10 ms, the turn-on time and turn-off time will increase
California Eastern Laboratories

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PS7802-1A
ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C)
SYMBOLS
PARAMETERS
RATINGS UNITS
IF Forward Current (DC)
50 mA
VR Reverse Voltage
5.0 V
PD Power Dissipation
50 mW
IFP Peak Forward Current2
1
A
VL Break Down Voltage
40 V
IL Continuous Load Current 250
ILP Pulse Load Current3
500
mA
mA
PD Power Dissipation
Viso Isolation Voltage4
100 mW
500 Vrms
PT Total Power Dissipation
150
mW
TA Operating Ambient Temp. -40 to +85 °C
TSTG Storage Temperature
-40 to +100 °C
Notes:
1. Operation in excess of any one of these parameters may result
in permanent damage.
2. PW = 100 μs, Duty Cycle = 1 %
3. PW = 100 ms, 1 shot
4. AC voltage for 1 minute at TA = 25ºC, RH = 60% between input
and output
ORDERING INFORMATION
PART NUMBER PACKAGE
PACKING STYLE
PS7802-1A-F3
4-PIN SSOP Embossed Tape 3 500 pcs
PS7802-1A-F4
RECOMMENDED MOUNT PAD DIMENSIONS
(Units in mm)
0.8
0.6
24-R0.1
RECOMMENDED OPERATING
CONDITIONS (TA = 25°C)
SYMBOL
PARAMETER
UNITS MIN TYP MAX
IF LED Operating Current IF
2 5 20
VF
LED Off Voltage
VF 0
0.5
OUTLINE DIMENSIONS (Units in mm)
2.5±0.3
43
0.2 MAX.
N
TOP VIEW
43
1. LED Anode
2. LED Cathode
3. MOS FET
4. MOS FET
12
12
4.8 MAX
0.4±0.1
1.27
0.2±0.1

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TYPICAL CHARACTERISTICS (TA = 25ºC)
MAXIMUM FORWARD CURRENT vs.
AMBIENT TEMPERATURE
100
80
60
40
20
0
-25 0
25 50 75 85 100
Ambient Temperature, TA (ºC)
FORWARD VOLTAGE vs.
AMBIENT TEMPERATURE
1.6
1.4
IF = 50 mA
1.2
30 mA
20 mA
10 mA
1.0 5 mA
1 mA
0.8
-25
0 25 50 75
Ambient Temperature, TA (ºC)
100
OFF-STATE LEAKAGE CURRENT vs.
AMBIENT TEMPERATURE
10-7
VD = 40 V
10-8
10-9
10-10
10-11
10-12
10-13
0
20 40 60 80 100
Ambient Temperature, TA (ºC)
2-92
PS7802-1A
MAXIMUM LOAD CURRENT vs.
AMBIENT TEMPERATURE
300
250
200
150
100
50
0
-25 0
25 50 75 85 100
Ambient Temperature, TA (ºC)
OUTPUT CAPACITANCE vs.
APPLIED VOLTAGE
25
f = 1 MHz
20
15
10
5
0 10 20 30 40 50 60
Applied Voltage, VD (V)
LOAD CURRENT vs.
LOAD VOLTAGE
IF = 5 mA
200
100
-1.0 -0.5
0 0.5
-100
1.0
-200
Load Voltage, VL (V)