6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2
December 2009
Single-Channel: 6N138M, 6N139M
Dual-Channel: HCPL2730M, HCPL2731M (Preliminary)
Low Input Current High Gain Split
Darlington Optocouplers
Features
■
Low current – 0.5mA
■
Superior CTR-2000%
■
Superior CMR-10kV/µs
■
CTR guaranteed 0–70°C
■
U.L. recognized (File # E90700, Vol. 2)
■
VDE recognition (pending)
– Ordering option V, e.g., 6N138VM
■
Dual Channel – HCPL2730M, HCPL2731M
(coming soon)
Applications
■
Digital logic ground isolation
■
Telephone ring detector
■
EIA-RS-232C line receiver
■
High common mode noise line receiver
■
µP bus isolation
■
Current loop receiver
Description
The 6N138M/9M and HCPL2730M/31M optocouplers
consist of an AlGaAs LED optically coupled to a high
gain split darlington photodetector.
The split darlington configuration separating the input
photodiode and the first stage gain from the output
transistor permits lower output saturation voltage and
higher speed operation than possible with conventional
darlington phototransistor optocoupler. In the dual
channel devices, HCPL2730M/HCPL2731M, an inte-
grated emitter-base resistor provides superior stability
over temperature.
The combination of a very low input current of 0.5mA
and a high current transfer ratio of 2000% makes this
family particularly useful for input interface to MOS,
CMOS, LSTTL and EIA RS232C, while output compati-
bility is ensured to CMOS as well as high fan-out TTL
requirements. An internal noise shield provides excep-
tional common mode rejection of 10 kV/µs.
Related Resources
■
www.fairchildsemi.com/products/opto/
■
www.fairchildsemi.com/pf/HC/HCPL0700.html
■
www.fairchildsemi.com/pf/HC/HCPL0730.html
■
www.fairchildsemi.com/pf/HC/HCPL0731.html
Schematic Package Outlines
1
2
3
4 5
6
7
8
+
_
VF
VCC
VB
VO
GND
6N138M / 6N139M
N/C
N/C
1
2
3
4 5
6
7
8
+
_
VF1
VCC
V01
V02
GND
HCPL2730M / HCPL2731M
VF2
_
+
8
8
1
8
1
1
8
1
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 2
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Absolute Maximum Ratings
(T
A
= 25°C unless otherwise specified)
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Note:
1. No derating required for devices operated within the T
OPR
specification (6N138 and 6N139 only). HCPL2730 and
HCPL2731 derating TBD.
Symbol Parameter Value Units
T
STG
Storage Temperature -40 to +125 °C
T
OPR
Operating Temperature -40 to +100 °C
T
SOL
Lead Solder Temperature (Wave solder only. See recommended
reflow profile graph on page 13 for SMD mounting)
260 for 10 sec °C
EMITTER
I
F
(avg) DC/Average Forward Input Current Each Channel 20 mA
I
F
(pk) Peak Forward Input Current
(50% duty cycle, 1 ms P.W.)
Each Channel 40 mA
I
F
(trans) Peak Transient Input Current – (
≤
1µs P.W., 300 pps) 1.0 A
V
R
Reverse Input Voltage Each Channel 5 V
P
D
Input Power Dissipation
(1)
Each Channel 35 mW
DETECTOR
I
O
(avg) Average Output Current Each Channel 60 mA
V
ER
Emitter-Base Reverse Voltage 6N138M and 6N139M 0.5 V
V
CC
, V
O
Supply Voltage, Output Voltage 6N138M and HCPL2730M -0.5 to 7 V
6N139M and HCPL2731M -0.5 to 18
P
O
Output Power Dissipation
(1)
Each Channel 100 mW
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 3
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Electrical Characteristics
(T
A
= 0 to 70°C unless otherwise specified.
Typical value is measured at T
A
= 25ºC and V
CC
= 5.0V.
)
Individual Component Characteristics
Transfer Characteristics
Symbol Parameter Test Conditions Device Min. Typ. Max. Unit
EMITTER
V
F
Input Forward Voltage T
A
= 25°C All 1.30 1.7 V
Each channel (I
F
= 1.6mA) 1.75
BV
R
Input Reverse
Breakdown Voltage
T
A
= 25°C, I
R
= 10µA All 5.0 19 V
∆
V
F
/
∆
T
A
Temperature
Coefficient of
Forward Voltage
I
F
= 1.6mA All -1.94 mV/°C
DETECTOR
I
OH
Logic HIGH Output Cur-
rent
I
F
= 0mA, V
O
= V
CC
= 18V 6N139M 0.0036 100 µA
Each Channel HCPL2731M
I
F
= 0mA, V
O
= V
CC
= 7V 6N138M 0.001 250
Each Channel HCPL2730M
I
CCL
Logic LOW supply I
F
= 1.6mA, V
O
= Open, V
CC
= 18V 6N138M,
6N139M
0.4 1.5 mA
I
F1
= I
F2
= 1.6mA,
V
O1
= V
O2
= Open
V
CC
= 18V HCPL2731M 3
V
CC
= 7V HCPL2730M
I
CCH
Logic HIGH Supply I
F
= 0mA, V
O
= Open, V
CC
= 18V 6N138M,
6N139M
0.0003 10 µA
I
F1
= I
F2
= 0mA,
V
O1
= V
O2
= Open
V
CC
= 18V HCPL2731M 20
V
CC
= 7V HCPL2730M
Symbol Parameter Test Conditions Device Min. Typ. Max. Unit
COUPLED
CTR Current Transfer
Ratio
(2)(3)
I
F
= 0.5mA, V
O
= 0.4 V, V
CC
= 4.5V 6N139M 400 2000 %
Each Channel HCPL2731M
I
F
= 1.6mA, V
O
= 0.4 V, V
CC
= 4.5V 6N139M 500 1600
Each Channel HCPL2731M
I
F
= 1.6mA, V
O
= 0.4 V, V
CC
= 4.5V 6N138M 300 1600
Each Channel HCPL2730M
V
OL
Logic LOW Output
Voltage
(3)
I
F
= 0.5mA, I
O
= 2mA, V
CC
= 4.5V 6N139M 0.05 0.4 V
I
F
= 1.6mA, I
O
= 8mA, V
CC
= 4.5V 6N139M 0.093 0.4
Each Channel HCPL2731M
I
F
= 5mA, I
O
= 15mA, V
CC
= 4.5V 6N139M 0.13 0.4
Each Channel HCPL2731M
I
F
= 12mA, I
O
= 24mA, V
CC
= 4.5V 6N139M 0.18 0.4
Each Channel HCPL2731M
I
F
= 1.6mA, I
O
= 4.8mA, V
CC
= 4.5V 6N138M 0.06 0.4
Each Channel HCPL2730M
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 4
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Electrical Characteristics
(Continued)
(T
A
= 0 to 70°C unless otherwise specified.
Typical value is measured at T
A
= 25ºC and V
CC
= 5.0V.
)
Switching Characteristics
(V
CC
= 5V)
Symbol Parameter Test Conditions Device Min. Typ. Max. Unit
t
PHL
Propagation Delay
Time to Logic
LOW
(3)
(Fig. 12)
RL = 4.7kΩ, IF = 0.5mA 6N139M 30 µs
TA = 25°C 2.5 25
RL = 4.7kΩ, IF = 0.5mA HCPL2731M 120
Each Channel TA = 25°C 100
RL = 270Ω, IF = 12mA 6N139M 2
TA = 25°C 0.24 1
RL = 270Ω, IF = 12mA, Each Channel HCPL2730M 3
TA = 25°C HCPL2731M 2
RL = 2.2kΩ, IF = 1.6mA 6N138M 15
TA = 25°C 1 10
RL = 2.2kΩ, IF = 1.6mA, Each Channel HCPL2731M
HCPL2730M
25
TA = 25°C 20
tPLH Propagation Delay
Time to Logic
HIGH(3) (Fig. 12)
RL = 4.7kΩ, IF = 0.5mA 6N139M 90 µs
Each Channel HCPL2731M
RL = 4.7kΩ, IF = 0.5mA, TA = 25°C 6N139M 13.6 60
Each Channel HCPL2731M
RL = 270Ω, IF = 12mA 6N139M 10
TA = 25°C 1.3 7
RL = 270Ω, IF = 12mA, Each Channel HCPL2730M
HCPL2731M
15
TA = 25°C 10
RL = 2.2kΩ, IF = 1.6mA 6N138M 50
Each Channel HCPL2730M
HCPL2731M
RL = 2.2kΩ, IF = 1.6mA, TA = 25°C 6N138M 7.3 35
Each Channel HCPL2730M
HCPL2731M
|CMH| Common Mode
Transient
Immunity at Logic
HIGH(4) (Fig. 13)
IF = 0mA, |VCM| = 10VP-P, TA = 25°C,
RL = 2.2kΩ
6N138M
6N139M
1,000 10,000 V/µs
Each Channel HCPL2730M
HCPL2731M
|CML| Common Mode
Transient
Immunity at Logic
LOW(4) (Fig. 13)
(IF = 1.6mA, |VCM| = 10VP-P
, RL = 2.2kΩ)
TA = 25°C
6N138M
6N139M
1,000 10,000 V/µs
Each Channel HCPL2730M
HCPL2731M
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 5
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Electrical Characteristics (Continued)
(TA = 0 to 70°C unless otherwise specified. Typical value is measured at TA = 25ºC and VCC = 5.0V.)
Isolation Characteristics
Notes:
2. Current Transfer Ratio is defined as a ratio of output collector current, IO, to the forward LED input current,
IF, times 100%.
3. Pin 7 open. (6N138M and 6N139M only)
4. Common mode transient immunity in logic HIGH level is the maximum tolerable (positive) dVcm/dt on the
leading edge of the common mode pulse signal VCM, to assure that the output will remain in a logic HIGH state
(i.e., VO > 2.0V). Common mode transient immunity in logic LOW level is the maximum tolerable (negative)
dVcm/dt on the trailing edge of the
common mode pulse signal, VCM, to assure that the output will remain in a logic LOW state (i.e., VO < 0.8V).
5. Device is considered a two terminal device: Pins 1, 2, 3 and 4 are shorted together and Pins 5, 6, 7 and 8 are
shorted together.
6. For dual channel devices, CI-O is measured by shorting pins 1 and 2 or pins 3 and 4 together and pins 5 through 8
shorted together.
7. Measured between pins 1 and 2 shorted together, and pins 3 and 4 shorted together.
I
Symbol Characteristics Test Conditions Min. Typ. Max. Unit
VISO Withstand Insulation Test
Voltage(5) RH ≤ 50%, TA = 25°C, II-O ≤ 10µA,
50Hz, t = 1 min.
5000 VRMS
RI-O Resistance (Input to Output)(5) VI-O = 500VDC 1011 Ω
CI-O Capacitance (Input to Output)(5)(6) f = 1MHz, VI-O = 500V 1 pF
II-I Input-Input Insulation Leakage
Current(7) RH ≤ 45%, VI-I = 500VDC, t = 5s,
HCPL2730M/2731 only
0.005 µA
RI-I Input-Input Resistance(7) VI-I = 500VDC, HCPL2730M/2731M
only
1011 Ω
CI-I Input-Input Capacitance(7) f = 1MHz, HCPL2730M/2731M only 0.03 pF
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 6
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Electrical Characteristics (Continued) TA = 25°C unless otherwise specified)
Current Limiting Resistor Calculations
R1 (Non-Invert) = VDD1 – VDF – VOL1
IF
R1 (Invert) = VDD1 – VOH1 – VDF
IF
R2 = VDD2 = VOLX (@ IL – I2)
IL
Where:
VDD1 = Input Supply Voltage
VDD2 = Output Supply Voltage
VDF = Diode Forward Voltage
VOL1 = Logic “0” Voltage of Driver
VOH1 = Logic “1” Voltage of Driver
IF = Diode Forward Current
VOLX = Saturation Voltage of
Output Transistor
IL = Load Current Through
Resistor R2
I2 = Input Current of Output Gate
Fig. 2 Non-Inverting Logic Interface Fig. 3 Inverting Logic Interface
Fig. 1 Resistor Values for Logic Interface
3
4
2
1
6
5
7
8
2
R
1
RIN OUT
VDD1 DD2
V
IN
4
3
2
5
6
7R2
OUT
1 8
DD2
V
R1
INPUT R1 (V)
OUTPUT
CMOS
@ 5V CMOS
@ 10V 74XX 74LXX 74SXX 74LSXX 74HXX
R2 (V) R2 (V) R2 (V) R2 (V) R2 (V) R2 (V) R2 (V)
CMOS
@ 5V
NON-INV. 2000 1000 2200 750 1000 1000 1000 560
INV. 510
CMOS
@ 10V
NON-INV. 5100
INV. 4700
74XX NON-INV. 2200
INV. 180
74LXX NON-INV. 1800
INV. 100
74SXX NON-INV. 2000
INV. 360
74LSXX NON-INV. 2000
INV. 180
74HXX NON-INV. 2000
INV. 180
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 7
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Typical Performance Curves
Fig. 4 LED Forward Current vs. Forward Voltage
FORWARD VOLTAGE - V
F (V)
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9
FORWARD CURRENT - IF (mA)
0.001
0.01
0.1
1
10
100
Fig. 5 LED Forward Voltage vs. Temperature
TEMPERATURE - T
A (˚C)
-40 -20 0 20 40 60 80 100
FORWARD VOLTAGE - VF (V)
1.6
1.5
1.4
1.3
1.2
1.0
Fig. 6 Current Transfer Ratio vs. Forward Current
(6N138M / 6N139M Only)
TA = 100˚C
TA = 85˚C
TA = 70˚C
TA = 25˚C
TA = 0˚C
TA = -40˚C
IF = 1.6 mA
TEMPERATURE - TA (˚C)
-40 -20 0 20 40 60 80 100
1.4
1.2
1.0
0.8
0.6
0.4
IF = 1.6 mA
VCC = 4.5V
VO = 0.4V
Normalized to TA = 25°C
NCTR - NORMALIZED CURRENT TRANSFER RATIO (%)
Fig. 7 Normalized Current Transfer Ratio
vs. Ambient Temperature
(6N138M / 6N139M Only)
R
BE
- BASE RESISTANCE (kΩ)
CTR - CURRENT TRANSFER RATIO (%)
Fig. 8 Current Transfer Ratio vs. Base-Emitter Resistance
(6N138M / 6N139M Only)
110100 1000
2400
2000
1600
1200
800
400
0
IF = 1.6mA
VCC = 5 V
VO = 0.4 V
IF - INPUT DIODE FORWARD CURRENT (mA)
Fig. 9 Output Current vs. Input Diode Forward Current
(6N138M / 6N139M Only)
0.01 0.1 1 10
IO - OUTPUT CURRENT (mA)
0
0
1
10
100
V
CC
= 5V
V
O
= 0.4V
T
A
= 70˚C / 85°C /
100°C / 110°C
T
A
= 25˚C
T
A
= 0˚C
T
A
= -40˚C
T
A = 110˚C
IF - FORWARD CURRENT (mA)
0.01 0.1 1 10 100
CURRENT TRANSFER RATIO - CTR (%)
3500
3000
2500
2000
1500
1000
500
0
VCC = 5V
VO = 0.4V
TA = -40˚C
TA = 0˚C
TA = 25˚C
TA = 70˚C TA = 110˚C
TA = 100˚C
TA = 85˚C
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 8
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Typical Performance Curves (Continued)
Fig. 11 Logic Low Supply Current vs.
Input Diode Forward Current
(6N138M / 6N139M Only)
IF - FORWARD CURRENT (mA)
0246810121416
I
CCL
- LOGIC LOW SUPPLY CURRENT (mA)
7
6
5
4
3
2
1
0
VCC = 5V
VCC = 18V
Fig. 12 Propagation Delay vs. Temperature
(6N138M / 6N139M Only)
TA - TEMPERATURE (°C)
-40 -40 0 20 40 60 80 100
tP - PROPAGATION DELAY (µs)
50
40
30
20
10
0
t
PLH
( I
F
=0.5mA, R
L
=4.7kΩ)
t
PLH
( I
F
=1.5mA, R
L
=2.2kΩ)
t
PHL
( I
F
=0.5mA, R
L
=4.7kΩ)
t
PHL
( I
F
=1.5mA, R
L
=2.2kΩ)
V
CC
= 5 V
Fig. 10 Output Current vs Output Voltage
(6N138M / 6N139M Only)
VO - OUTPUT VOLTAGE (V)
012
IO - OUTPUT CURRENT (mA)
100
80
60
40
20
0
VCC = 5V
TA = 25˚C
0.5mA
1mA
1.5mA
2mA
2.5mA
3mA
3.5mA
5mA
4.5mA
4m
Limit of safe
operating region
A
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 9
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Test Circuits
Pulse Gen
CM
V
VFF
B
A
+-
+5 V
O
V
-
IF
3
4
F
V
2
1Shield
Noise
6O
5GND
7
8
V
B
V
CC
V
L
R
PLH
OL
V
VO5 V
1.5 V
F
I
1.5 V
T
PHL
T
Switch at A : I = 0 mA
F
Switch at B : I = 1.6 mA
F
tr
VO
O
V
OL
V
5 V
0 V 10% 10%
90%
CM
V 10 V
4 5
Noise
1
2
3
Shield 8
7
6
+5 V
O
V
VCC
V01
V02
GND
VF1
-
+
F2V
FI+
FI
MONITOR
LR0.1 µF
GND
+
-
F2V
VF1
-
+5 V
CCV
L
V02
V
R
01 VO
VCM
A
B
Pulse Gen
F
I
+-
+
3
I Monitor
F4
I/ƒ < 100µs
10% Duty
Cycle
tr = 5ns
Generator
Pulse
Z = 50Ω
O
VF
IF2
1
VO
O
6
5GND
7
8
V
B
V
L
R
CC
V+5 V
0.1 µF
LC = 15 pF*
Test Circuit for 6N138M, 6N139M
0.1 µF
Test Circuit for HCPL2730M and HCPL2731M
Test Circuit for 6N138M and 6N139M Test Circuit for HCPL2730M and HCPL2731M
f
t
FF
V
m
RRm
90%
1
3
4
2
Shield
Noise
8
6
5
7
Shield
Noise
-
C = 15 pF*L
0.1 µF
I/ƒ < 100µs
10% Duty
Cycle
tr = 5ns
Generator
Pulse
Z = 50Ω
O
Fig. 13 Switching Time Test Circuit
Fig. 14 Common Mode Immunity Test Circuit
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 10
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Ordering Information
Marking Information
Option
Example Part
Number Description
No Suffix 6N138M Standard Through Hole Device, 50 pcs per tube
S 6N138SM Surface Mount Lead Bend
SD 6N138SDM Surface Mount; Tape and reel
V 6N138VM IEC60747-5-2 approval pending (VDE)
TV 6N138TVM IEC60747-5-2 approval pending (VDE); 0.4” lead spacing
SV 6N138SVM IEC60747-5-2 approval pending (VDE); surface mount
SDV 6N138SDVM IEC60747-5-2 approval pending (VDE); surface mount; tape and reel
1
2
6
43 5
Note:
‘HCPL’ devices are marked only with the numerical characters (for example, HCPL2730 is
marked as ‘2730’).
The ‘M’ suffix on the part number is an order identifier only. It is used to identify orders for the
white package version. The ‘M’ does not appear on the device’s top mark.
Definitions
1Fairchild logo
2Device number
3VDE mark (Note: Only appears on parts ordered with VDE
option – See order entry table) (pending approval)
4Two digit year code, e.g., ‘07’
5Two digit work week ranging from ‘01’ to ‘53’
6 Assembly package code
6N138
BYY
XXV
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 11
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Carrier Tape Specifications (Option SD)
Symbol Description Dimension in mm
WTape Width 16.0 ± 0.3
tTape Thickness 0.30 ± 0.05
P0Sprocket Hole Pitch 4.0 ± 0.1
D0Sprocket Hole Diameter 1.55 ± 0.05
E Sprocket Hole Location 1.75 ± 0.10
FPocket Location 7.5 ± 0.1
P22.0 ± 0.1
PPocket Pitch 12.0 ± 0.1
A0Pocket Dimensions 10.30 ±0.20
B010.30 ±0.20
K04.90 ±0.20
W1Cover Tape Width 13.2 ± 0.2
dCover Tape Thickness 0.1 max
Max. Component Rotation or Tilt 10°
R Min. Bending Radius 30
d
0
P
t2
D0
1
1
W
User Direction of Feed
0
K
B0
A0W
E
D
F
P
P
©2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.0.2 12
6N138M, 6N139M, HCPL2730M, HCPL2731M — Low Input Current High Gain Split Darlington Optocouplers
Reflow Profile
Profile Freature Pb-Free Assembly Profile
Temperature Min. (Tsmin) 150°C
Temperature Max. (Tsmax) 200°C
Time (tS) from (Tsmin to Tsmax) 60–120 seconds
Ramp-up Rate (tL to tP) 3°C/second max.
Liquidous Temperature (TL) 217°C
Time (tL) Maintained Above (TL) 60–150 seconds
Peak Body Package Temperature 260°C +0°C / –5°C
Time (tP) within 5°C of 260°C 30 seconds
Ramp-down Rate (TP to TL) 6°C/second max.
Time 25°C to Peak Temperature 8 minutes max.
Time (seconds)
Temperature (°C)
Time 25°C to Peak
260
240
220
200
180
160
140
120
100
80
60
40
20
0
TL
ts
tL
tP
TP
Tsmax
Tsmin
120
Preheat Area
Max. Ramp-up Rate = 3°C/S
Max. Ramp-down Rate = 6°C/S
240 360
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Rev. I76
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