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The mark <R> shows major revised points.
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DATA SHEET
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
PHOTOCOUPLER
PS9821-1,-2
Document No. PN10471EJ04V0DS (4th edition)
Date Published March 2008 NS
Printed in Japan
HIGH CMR, 15 Mbps OPEN COLLECTOR OUTPUT TYPE
8-PIN SSOP (SO-8)
3.3 V HIGH-SPEED PHOTOCOUPLER NEPOC Series
2004, 2008
1234
8765
PS9821-1
1. NC
2. Anode
3. Cathode
4. NC
5. GND
6. V
O
7. NC
8. V
CC
1234
8765
SHIELD
SHIELD
PS9821-2
1. Anode1
2. Cathode1
3. Cathode2
4. Anode2
5. GND
6. V
O
2
7. V
O
1
8. V
CC
PIN CONNECTION
(Top View)
DESCRIPTION
The PS9821-1 and PS9821-2 are active-low type high-speed photocouplers that use a GaAlAs light-emitting diode
on the input side and a photodetector IC that includes a photodiode and a signal processor on the same chip on the
output side.
The PS9821-1, -2 are designed specifically for high common mode transient immunity (CMR) and low pulse width
distortion, PS9821-2 is suitable for high density applications.
FEATURES
Low power consumption (VCC = 3.3 V)
Pulse width distortion (tPHLtPLH = 35 ns MAX.)
High common mode transient immunity (CMH, CML = ±15 kV/
μ
s MIN.)
40% reduction of mounting area (5-pin SOP × 2)
High-speed (15 Mbps)
High isolation voltage (BV = 2 500 Vr.m.s.)
Open collector output
Ordering number of tape product : PS9821-1-F3, F4: 1 500 pcs/reel
: PS9821-2-F3, F4: 1 500 pcs/reel
• Pb-Free product
• Safety standards
UL approved: File No. E72422
DIN EN60747-5-2 (VDE0884 Part2) approved No.40008347 (option)
APPLICATIONS
• Measurement equipment
• PDP
• FA Network
TRUTH TABLE
LED Output
ON L
OFF H
Data Sheet PN10471EJ04V0DS
2
PS9821-1,-2
PACKAGE DIMENSIONS (UNIT: mm)
1.27
0.4
+0.10
–0.05
0.25 M
0.1±0.1
3.95±0.1
6.0±0.2
0.5±0.3
0.15
+0.10
–0.05
5.21±0.25
3.27±0.2
0.10 S
14
85
<R>
Data Sheet PN10471EJ04V0DS 3
PS9821-1,-2
MARKING EXAMPLE
SnBi PLATING
No. 1 pin Mark
Initial of NEC
(Engraved mark)
PS9821-1 PS9821-2
No. 1 pin Mark
Initial of NEC
(Engraved mark)
N
9821-2
NL831
Week Assembled
N
9821-1
NL831
831
Year Assembled
(Last 1 Digit)
LN
Rank Code
In-house Code
(L: Pb-Free)
831
Year Assembled
(Last 1 Digit)
LN
Rank Code
In-house Code
(L: Pb-Free)
Week Assembled
Type Number
Assembly Lot
Type Number
Assembly Lot
Ni/Pd/Au PLATING
No. 1 pin Mark
Initial of NEC
(Engraved mark)
PS9821-1 PS9821-2
No. 1 pin Mark
Initial of NEC
(Engraved mark)
N
9821-2
NT831
Week Assembled
N
9821-1
NT831
831
Year Assembled
(Last 1 Digit)
TN
Rank Code
In-house Code
(T: Pb-Free)
831
Year Assembled
(Last 1 Digit)
TN
Rank Code
In-house Code
(T: Pb-Free)
Week Assembled
Type Number
Assembly Lot
Type Number
Assembly Lot
<R>
Data Sheet PN10471EJ04V0DS
4
PS9821-1,-2
ORDERING INFORMATION
Part Number Order Number Solder Plating
Specification Packing Style Safety Standards
Approval
Application
Part Number*1
PS9821-1 PS9821-1-A Pb-Free 20 pcs (Tape 20 pcs cut) Standard products PS9821-1
PS9821-1-F3 PS9821-1-F3-A (SnBi) Embossed Tape 1 500 pcs/reel (UL approved)
PS9821-1-F4 PS9821-1-F4-A
PS9821-2 PS9821-2-A 20 pcs (Tape 20 pcs cut) PS9821-2
PS9821-2-F3 PS9821-2-F3-A Embossed Tape 1 500 pcs/reel
PS9821-2-F4 PS9821-2-F4-A
PS9821-1-V PS9821-1-V-A 20 pcs (Tape 20 pcs cut) DIN EN60747-5-2 PS9821-1
PS9821-1-V-F3 PS9821-1-V-F3-A Embossed Tape 1 500 pcs/reel (VDE0884 Part2)
PS9821-1-V-F4 PS9821-1-V-F4-A approved (Option)
PS9821-2-V PS9821-2-V-A 20 pcs (Tape 20 pcs cut) PS9821-2
PS9821-2-V-F3 PS9821-2-V-F3-A Embossed Tape 1 500 pcs/reel
PS9821-2-V-F4 PS9821-2-V-F4-A
PS9821-1 PS9821-1-AX Pb-Free 20 pcs (Tape 20 pcs cut) Standard products PS9821-1
PS9821-1-F3 PS9821-1-F3-AX (Ni/Pd/Au) Embossed Tape 1 500 pcs/reel (UL approved)
PS9821-1-F4 PS9821-1-F4-AX
PS9821-2 PS9821-2-AX 20 pcs (Tape 20 pcs cut) PS9821-2
PS9821-2-F3 PS9821-2-F3-AX Embossed Tape 1 500 pcs/reel
PS9821-2-F4 PS9821-2-F4-AX
PS9821-1-V PS9821-1-V-AX 20 pcs (Tape 20 pcs cut) DIN EN60747-5-2 PS9821-1
PS9821-1-V-F3 PS9821-1-V-F3-AX Embossed Tape 1 500 pcs/reel (VDE0884 Part2)
PS9821-1-V-F4 PS9821-1-V-F4-AX approved (Option)
PS9821-2-V PS9821-2-V-AX 20 pcs (Tape 20 pcs cut) PS9821-2
PS9821-2-V-F3 PS9821-2-V-F3-AX Embossed Tape 1 500 pcs/reel
PS9821-2-V-F4 PS9821-2-V-F4-AX
*1 For the application of the Safety Standard, following part number should be used.
<R>
Data Sheet PN10471EJ04V0DS 5
PS9821-1,-2
ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise specified)
Parameter Symbol Ratings Unit
PS9821-1 PS9821-2
Diode Forward Current IF 20 *1 15 *2 mA
Reverse Voltage VR 5 V/ch
Detector Supply Voltage VCC 7 V
Output Voltage VO 7 V/ch
Output Current IO 25 mA/ch
Power Dissipation *3 PC 40 mW/ch
Isolation Voltage *4 BV 2 500 Vr.m.s.
Operating Ambient Temperature TA 40 to +85 °C
Storage Temperature Tstg 55 to +125 °C
*1 Reduced to 0.3 mA/°C at TA = 60°C or more.
*2 Reduced to 0.1 mA/°C at TA = 60°C or more.
*3 Applies to output pin VO (collector pin). Reduced to 1.5 mW/°C at TA = 65°C or more.
*4 AC voltage for 1 minute at TA = 25°C, RH = 60% between input and output.
Pins 1-4 shorted together, 5-8 shorted together.
RECOMMENDED OPERATING CONDITIONS
Parameter Symbol MIN. TYP. MAX. Unit
Low Level Input Voltage VFL 0 0.8 V
High Level Input Current IFH 6.3 10 12.5 mA
Supply Voltage VCC 2.7 3.6 V
Pull-up Resistance RL 330 4 k Ω
TLL (RL = 1.0 kΩ, loads) N 5
Data Sheet PN10471EJ04V0DS
6
PS9821-1,-2
ELECTRICAL CHARACTERISTICS (1/2) (TA = 40 to +85°C, unless otherwise specified)
Parameter Symbol Conditions MIN. TYP. *1 MAX. Unit
Diode Forward Voltage VF IF = 10 mA, TA = 25°C 1.4 1.65 1.8 V
Reverse Current IR VR = 3.0 V, TA = 25°C 10
μ
A
Terminal Capacitance Ct VF = 0 V, f = 1 MHz, TA = 25°C 30 pF
Detector High Level Output Current IOH VCC = VO = 3.3 V, IF = 0.8 mA 1 80
μ
A
VCC = VO = 5.5 V, IF = 0.8 mA 1*2
Low Level Output Voltage *3 VOL VCC = 3.3 V, IF = 5.0 mA, IOL = 13 mA 0.2 0.6 V
VCC = 5.5 V, IF = 5.0 mA, IOL = 13 mA 0.2*2
High Level Supply Current ICCH VCC = 3.3 V, IF = 0 mA, VO = open 4 7 mA
(PS9821-1) VCC = 5.5 V, IF = 0 mA, VO = open 5*2
High Level Supply Current VCC = 3.3 V, IF = 0 mA, VO = open 8 14
(PS9821-2) VCC = 5.5 V, IF = 0 mA, VO = open 10*2
Low Level Supply Current ICCL VCC = 3.3 V, IF = 10 mA, VO = open 7 10
(PS9821-1) VCC = 5.5 V, IF = 10 mA, VO = open 9*2
Low Level Supply Current VCC = 3.3 V, IF = 10 mA, VO = open 14 20
(PS9821-2) VCC = 5.5 V, IF = 10 mA, VO = open 18*2
Coupled Threshold Input Current IFHL VCC = 3.3 V, VO = 0.8 V, RL = 350 Ω 2.5 5 mA
(H L) VCC = 5 V, VO = 0.8 V, RL = 350 Ω 2.5*2
Isolation Resistance RI-O VI-O = 1 kVDC, RH = 40 to 60%,
TA = 25°C
1011 Ω
Insulation Resistance
(Input-Input), (PS9821-2)
RI-I VI-I = 1 kVDC, RH = 40 to 60%,
TA = 25°C
1010 Ω
Isolation Capacitance CI-O V = 0 V, f = 1 MHz, TA = 25°C 0.6 pF
Insulation Capacitance
(Input-Input), (PS9821-2)
CI-I V = 0 V, f = 1 MHz, TA = 25°C 0.3 pF
Propagation Delay Time tPHL TA = 25°C 45 75 ns
(H L) *4 VCC = 3.3 V, RL = 350 Ω, IF = 7.5 mA 100
VCC = 5 V, RL = 350 Ω, IF = 7.5 mA 38*2
Propagation Delay Time tPLH TA = 25°C 50 75
(L H) *4 VCC = 3.3 V, RL = 350 Ω, IF = 7.5 mA 100
VCC = 5 V, RL = 350 Ω, IF = 7.5 mA 43*2
Rise Time tr VCC = 3.3 V, RL = 350 Ω, IF = 7.5 mA 20
VCC = 5 V, RL = 350 Ω, IF = 7.5 mA 20*2
Fall Time tf VCC = 3.3 V, RL = 350 Ω, IF = 7.5 mA 5
VCC = 5 V, RL = 350 Ω, IF = 7.5 mA 5*2
Pulse Width Distortion (PWD) *4 tPLHtPHLVCC = 3.3 V, RL = 350 Ω, IF = 7.5 mA 5 35
VCC = 5 V, RL = 350 Ω, IF = 7.5 mA 5*2
Propagation Delay Skew tPSK VCC = 3.3 V, RL = 350 Ω, IF = 7.5 mA 40
Data Sheet PN10471EJ04V0DS 7
PS9821-1,-2
ELECTRICAL CHARACTERISTICS (2/2) (TA = 40 to +85°C, unless otherwise specified)
Parameter Symbol Conditions MIN. TYP. *1 MAX. Unit
Coupled CMH VCC = 3.3 V, RL = 350 Ω, TA = 25°C,
IF = 0 mA, VO > 2 V, VCM = 1 kV
15 20 kV/
μ
s
Common Mode
Transient Immunity at High
Level Output*5 VCC = 5 V, RL = 350 Ω, TA = 25°C,
IF = 0 mA, VO > 2 V, VCM = 1 kV
20*2
CML VCC = 3.3 V, RL = 350 Ω, TA = 25°C,
IF = 7.5 mA, VO < 0.8 V, VCM = 1 kV
15 20
Common Mode
Transient Immunity at Low
Level Output*5 VCC = 5 V, RL = 350 Ω, TA = 25°C,
IF = 7.5 mA, VO < 0.8 V, VCM = 1 kV
20*2
*1 Typical values at TA = 25°C
*2 These values are reference values.
*3 Because VOL of 2 V or more may be output when LED current input and when output supply of VCC = 2.6 V or
less, it is important to confirm the characteristics (operation with the power supply on and off) during design,
before using this device.
*4 Test circuit for propagation delay time
PS9821-1
SHIELD
SHIELD
PS9821-2
Input
Output
50%
1.5 V
V
OL
t
PHL
t
PLH
(I
F
= 7.5 mA)
V
CC
= 3.3 V
0.1 F
C
L
= 15 pF
47 Ω
R
L
= 350 Ω
μ
V
CC
= 3.3 V
0.1 F
C
L
= 15 pF
47 Ω
R
L
= 350 Ω
μ
Pulse input (I
F
)
(PW = 1 s,
Duty cycle = 1/10)
Input
(Monitor)
μ
V
O
(Monitor)
V
O
(Monitor)
Pulse input (I
F
)
(PW = 1 s,
Duty cycle = 1/10)
Input
(Monitor)
μ
Remark C
L includes probe and stray wiring capacitance.
Data Sheet PN10471EJ04V0DS
8
PS9821-1,-2
*5 Test circuit for common mode transient immunity
90%
10%
1 kV
0 V
VOH
2 V
0.8 V
VOL
VCM
VO
(IF = 0 mA)
VO
(IF = 7.5 mA)
trtf
SW IF
VO (Monitor)
VCC = 3.3 V
0.1 F RL = 350 Ω
PS9821-1
VCM
μ
CL = 15 pF
SHIELD
SHIELD
VO (Monitor)
VCC = 3.3 V
0.1 F
RL = 350 Ω
VCM
μ
SW IF
CL = 15 pF
PS9821-1
USAGE CAUTIONS
1. This product is weak for static electricity by designed with high-speed integrated circuit so protect against static
electricity when handling.
2. By-pass capacitor of 0.1
μ
F is used between VCC and GND near device. Also, ensure that the distance
between the leads of the photocoupler and capacitor is no more than 10 mm.
3. Avoid storage at a high temperature and high humidity.
Data Sheet PN10471EJ04V0DS 9
PS9821-1,-2
TYPICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified)
DETECTOR POWER DISSIPATION
vs. AMBIENT TEMPERATURE
Ambient Temperature TA (˚C)
Detector Power Dissipation PC (mW)
20 40 60 80
85
1000
20
10
30
50
40
Forward Voltage VF (V)
Forward Current IF (mA)
FORWARD CURRENT vs.
FORWARD VOLTAGE
1.0
0.01
0.1
1
10
100
1.2 1.4 1.6 1.8 2.0 2.2 2.4
TA = +85˚C
+50˚C
+25˚C
0˚C
–25˚C
–50 –25 0 25 50 75 100
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25 0 25 50 75 100
0
20
18
16
14
12
10
8
6
4
2
ICCL (VCC = 3.3 V, IF = 10 mA), PS9821-2
ICCH (VCC = 3.3 V, IF = 0 mA), PS9821-1
ICCL (VCC = 3.3 V, IF = 10 mA), PS9821-1
ICCH (VCC = 3.3 V, IF = 0 mA), PS9821-2
Ambient Temperature TA (˚C)
Maximum Forward Current IF (mA)
MAXIMUM FORWARD CURRENT
vs. AMBIENT TEMPERATURE
20 40 60 80 1000
85
10
20
30
25
15
5
PS9821-1
PS9821-2
Ambient Temperature TA (˚C)
High Level Supply Current ICCH (mA)
Low Level Supply Current ICCL (mA)
SUPPLY CURRENT vs.
AMBIENT TEMPERATURE
Input Current IF (mA)
Output Voltage VO (V)
OUTPUT VOLTAGE vs. INPUT CURRENT
Ambient Temperature TA (˚C)
Low Level Output Voltage VOL (V)
LOW LEVEL OUTPUT VOLTAGE vs.
AMBIENT TEMPERATURE
IF = 5.0 mA,
VCC = 3.3 V
13.0 mA
10.0 mA
6.0 mA
IOL = 16.0 mA
123456
3.5
3
2.5
2
1.5
1
0.5
0
VCC = 3.3 V
4.0 kΩ, 4.7 kΩ
1.0 kΩ
RL = 350 Ω
Remark The graphs indicate nominal characteristics.
Data Sheet PN10471EJ04V0DS
10
PS9821-1,-2
5.0
4.0
3.0
2.0
1.0
0
100
80
60
40
20
0
120
100
80
60
40
20
0
–50 –25 0 25 50 75 100
–50 –25 0 25 50 75 100
–50 –25 0 25 50 75 100
151311975
–50 –25 0 25 50 75 100
300
250
200
150
100
50
0
120
100
80
60
40
20
0
THRESHOLD INPUT CURRENT vs.
AMBIENT TEMPERATURE
Ambient Temperature T
A
(˚C)
Threshold Input Current I
FHL
(mA)
Ambient Temperature T
A
(˚C)
Propagation Delay Time t
PHL
, t
PLH
(ns)
PROPAGATION DELAY TIME vs.
AMBIENT TEMPERATURE
Ambient Temperature T
A
(˚C)
Pulse Width Distortion t
PHL
–t
PLH
(ns)
PULSE WIDTH DISTORTION vs.
AMBIENT TEMPERATURE
Ambient Temperature T
A
(˚C)
Switching Time t
r
, t
f
(ns)
SWITCHING TIME vs.
AMBIENT TEMPERATURE
Input Current I
F
(mA)
Propagation Delay Time t
PHL
, t
PLH
(ns)
PROPAGATION DELAY TIME vs.
INPUT CURRENT
1.0 kΩ
R
L
= 350 Ω
4.0 kΩ
V
CC
= 3.3 V,
V
O
= 0.6 V
R
L
= 4.7 kΩ
R
L
= 4.0 kΩ
R
L
= 350 Ω
R
L
= 1.0 kΩ
I
F
= 7.5 mA,
V
CC
= 3.3 V
t
PLH
: R
L
= 4.0 kΩ
t
PLH
: R
L
= 4.7 kΩ
t
PLH
: R
L
= 1.0 kΩ
t
PLH
: R
L
= 350 Ω
V
CC
= 3.3 V
t
PHL
: R
L
= 350 Ω, 1.0 kΩ, 4.0 kΩ, 4.7 kΩ
t
PHL
: R
L
=
350 Ω, 1.0 kΩ, 4.0 kΩ, 4.7 kΩ
t
PLH
: R
L
= 1.0 kΩ
t
PLH
: R
L
= 350 Ω
t
PLH
: R
L
= 4.7 kΩ
t
PLH
: R
L
= 4.0 kΩ
I
F
= 7.5 mA,
V
CC
= 3.3 V
t
f
: R
L
= 350 Ω, 1.0 kΩ, 4.0 kΩ, 4.7 kΩ
t
r
: R
L
= 350 Ω
t
r
: R
L
= 1.0 kΩ
t
r
: R
L
= 4.7 kΩ
t
r
: R
L
= 4.0 kΩ
I
F
= 7.5 mA,
V
CC
= 3.3 V
Remark The graphs indicate nominal characteristics.
Data Sheet PN10471EJ04V0DS 11
PS9821-1,-2
TAPING SPECIFICATIONS (UNIT: mm)
4.05 MAX.
Outline and Dimensions (Reel)
Packing: 1 500 pcs/reel
2.0±0.5
R 1.0
13.0±0.2
φ
21.0±0.8
φ
330±2.0
φ
100±1.0
φ
2.0±0.5
11.9 to 15.4
Outer edge of
flange
17.5±1.0
13.5±1.0
13.0±0.2
φ
1.7±0.1
2.0±0.05
4.0±0.1
1.75±0.1
6.4±0.1
5.56±0.1
0.3±0.05
8.0±0.1
1.5
+0.1
–0
5.5±0.1
12.0±0.2
3.6±0.1
Outline and Dimensions (Tape)
Taping Direction
PS9821-1-F3
PS9821-2-F3
PS9821-1-F4
PS9821-2-F4
Data Sheet PN10471EJ04V0DS
12
PS9821-1,-2
RECOMMENDED MOUNT PAD DIMENSIONS (UNIT: mm)
1.45
0.81.27
5.25
Data Sheet PN10471EJ04V0DS 13
PS9821-1,-2
NOTES ON HANDLING
1. Recommended soldering conditions
(1) Infrared reflow soldering
Peak reflow temperature 260°C or below (package surface temperature)
Time of peak reflow temperature 10 seconds or less
Time of temperature higher than 220°C 60 seconds or less
Time to preheat temperature from 120 to 180°C 120±30 s
Number of reflows Three
Flux Rosin flux containing small amount of chlorine (The flux with a
maximum chlorine content of 0.2 Wt% is recommended.)
120±30 s
(preheating)
220˚C
180˚C
Package Surface Temperature T (˚C)
Time (s)
Recommended Temperature Profile of Infrared Reflow
(heating)
to 10 s
to 60 s
260˚C MAX.
120˚C
(2) Wave soldering
• Temperature 260°C or below (molten solder temperature)
Time 10 seconds or less
• Preheating conditions 120°C or below (package surface temperature)
Number of times One (Allowed to be dipped in solder including plastic mold portion.)
Flux Rosin flux containing small amount of chlorine (The flux with a maximum chlorine
content of 0.2 Wt% is recommended.)
(3) Soldering by soldering iron
Peak temperature (lead part temperature) 350°C or below
Time (each pins) 3 seconds or less
Flux Rosin flux containing small amount of chlorine (The flux with a
maximum chlorine content of 0.2 Wt% is recommended.)
(a) Soldering of leads should be made at the point 1.5 to 2.0 mm from the root of the lead.
(b) Please be sure that the temperature of the package would not be heated over 100°C.
Data Sheet PN10471EJ04V0DS
14
PS9821-1,-2
(4) Cautions
• Fluxes
Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.
2. Cautions regarding noise
Be aware that when voltage is applied suddenly between the photocoupler’s input and output or between
collector-emitters at startup, the output transistor may enter the on state, even if the voltage is within the absolute
maximum ratings.
USAGE CAUTIONS
1. Protect against static electricity when handling.
2. Avoid storage at a high temperature and high humidity.
Data Sheet PN10471EJ04V0DS 15
PS9821-1,-2
SPECIFICATION OF VDE MARKS LICENSE DOCUMENT
Parameter Symbol Speck Unit
Application classification (DIN EN 60664-1 VDE0110 Part 1)
for rated line voltages 300 Vr.m.s.
for rated line voltages 600 Vr.m.s.
IV
III
Climatic test class (DIN EN 60664-1 VDE0110) 55/100/21
Dielectric strength
maximum operating isolation voltage
Test voltage (partial discharge test, procedure a for type test and random test)
Upr = 1.5 × UIORM, Pd < 5 pC
UIORM
Upr
566
849
Vpeak
Vpeak
Test voltage (partial discharge test, procedure b for all devices)
Upr = 1.875 × UIORM, Pd < 5 pC
Upr 1 061 Vpeak
Highest permissible overvoltage UTR 4 000 Vpeak
Degree of pollution (DIN EN 60664-1 VDE0110 Part 1) 2
Clearance distance >4.0 mm
Creepage distance >4.0 mm
Comparative tracking index (DIN IEC 112/VDE 0303 Part 1) CTI 175
Material group (DIN EN 60664-1 VDE0110 Part 1) III a
Storage temperature range Tstg –55 to +125 °C
Operating temperature range TA –40 to +85 °C
Isolation resistance, minimum value
VIO = 500 V dc at TA = 25°C
VIO = 500 V dc at TA MAX. at least 100°C
Ris MIN.
Ris MIN.
1012
1011
Ω
Ω
Safety maximum ratings (maximum permissible in case of fault, see thermal
derating curve)
Package temperature
Current (input current IF, Psi = 0)
Power (output or total power dissipation)
Isolation resistance
VIO = 500 V dc at TA = Tsi
Tsi
Isi
Psi
Ris MIN.
150
150
600
109
°C
mA
mW
Ω
<R>
Data Sheet PN10471EJ04V0DS
16
PS9821-1,-2
The information in this document is current as of March, 2008. The information is subject to change
without notice. For actual design-in, refer to the latest publications of NEC Electronics data sheets or
data books, etc., for the most up-to-date specifications of NEC Electronics products. Not all
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The quality grade of NEC Electronics products is "Standard" unless otherwise expressly specified in NEC
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determine NEC Electronics' willingness to support a given application.
(Note)
M8E 02. 11-1
(1)
(2)
"NEC Electronics" as used in this statement means NEC Electronics Corporation and also includes its
majority-owned subsidiaries.
"NEC Electronics products" means any product developed or manufactured by or for NEC Electronics (as
defined above).
Computers, office equipment, communications equipment, test and measurement equipment, audio
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Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster
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Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life
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"Standard":
"Special":
"Specific":
PS9821-1,-2
Caution GaAs Products This product uses gallium arsenide (GaAs).
GaAs vapor and powder are hazardous to human health if inhaled or ingested, so please observe
the following points.
• Follow related laws and ordinances when disposing of the product. If there are no applicable laws
and/or ordinances, dispose of the product as recommended below.
1. Commission a disposal company able to (with a license to) collect, transport and dispose of
materials that contain arsenic and other such industrial waste materials.
2. Exclude the product from general industrial waste and household garbage, and ensure that the
product is controlled (as industrial waste subject to special control) up until final disposal.
• Do not burn, destroy, cut, crush, or chemically dissolve the product.
• Do not lick the product or in any way allow it to enter the mouth.