3
Absolute Maximum Ratings, T
a
= +25
°
C, Single Diode
Symbol
P
T
P
IV
T
J
T
STG
T
OP
Parameter
Total Device Dissipation
[2]
Peak Inverse Voltage
Junction Temperature
Storage Temperature
Operating Temperature
Absolute Maximum
[1]
HSMS-285x
75 mW
2.0 V
150°C
-65°C to 150°C
-65°C to 150°C
HSMS-286x
250 mW
4.0 V
150°C
-65°C to 150°C
-65°C to 150°C
Notes:
1. Operation in excess of any one of these conditions may result in
permanent damage to the device.
2. CW Power Dissipation at T
LEAD
= +25°C. Derate linearly to zero at
maximum rated temperature.
ESD WARNING: Handling Precautions Should Be Taken To Avoid Static Discharge.
Equivalent Circuit Model
HSMS-2850, HSMS-2860;
Singles
0.08 pF
SPICE Parameters
Parameter
B
V
C
J0
E
G
I
BV
Units
V
pF
eV
A
A
Ω
V
HSMS-285X
3.8
0.18
0.69
3 x 10E-4
3 x 10E-6
1.06
25
0.35
2
0.5
HSMS-286X
7.0
0.18
0.69
10E-5
5.0 x 10E-8
1.08
5.0
0.65
2
0.5
2 nH
R
S
R
j
I
S
N
R
S
P
B
(VJ)
P
T
(XTI)
0.18 pF
R
S
= series resistance (see Table of SPICE parameters)
R
j
=
8.33 X 10
-5
nT
I
b
+ I
s
M
where
I
b
= externally applied bias current in amps
I
s
= saturation current (see table of SPICE parameters)
T = temperature,
°K
n = identity factor (see table of SPICE parameters)
4
Typical Parameters, Single Diode
FORWARD VOLTAGE DIFFERENCE (mV)
100
100
100
10
I
F
(left scale)
I
F
– FORWARD CURRENT (mA)
FORWARD CURRENT (mA)
10
10
T
A
= +85°C
T
A
= +25°C
T
A
= –55°C
1
1
FORWARD CURRENT (µA)
10
0.1
.1
∆V
F
(right scale)
0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
V
F
– FORWARD VOLTAGE (V)
.01
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
FORWARD VOLTAGE (V)
1
0.05
0.10
0.15
0.20
1
0.25
FORWARD VOLTAGE (V)
Figure 1. Typical Forward Current vs.
Forward Voltage, HSMS-2850 Series.
Figure 2. Typical Forward Current vs.
Forward Voltage at Temperature,
HSMS-2860 Series.
30
Figure 3. Typical Forward Voltage
Match, HSMS-2860 Pairs.
10000
R
L
= 100 KΩ
1000
10,000
R
L
= 100 KΩ
915 MHz
20
µA
VOLTAGE OUT (mV)
VOLTAGE OUT (mV)
VOLTAGE OUT (mV)
2.45 GHz
100
915 MHz
10
2.45 GHz
10
µA
1000
5
µA
100
Frequency = 2.45 GHz
Fixed-tuned FR4 circuit
10
R
L
= 100 KΩ
10
5.8 GHz
DIODES TESTED IN FIXED-TUNED
FR4 MICROSTRIP CIRCUITS.
5.8 GHz
1
DIODES TESTED IN FIXED-TUNED
FR4 MICROSTRIP CIRCUITS.
1
0.1
-50
-40
-30
-20
-10
0
0.3
-50
-40
POWER IN (dBm)
-30
1
–40
–30
–20
–10
0
10
POWER IN (dBm)
POWER IN (dBm)
Figure 4. +25°C Output Voltage vs.
Input Power, HSMS-2850 at Zero Bias,
HSMS-2860 at 3
µA
Bias.
Figure 5. +25°C Expanded Output
Voltage vs. Input Power. See Figure 4.
Figure 6. Dynamic Transfer
Characteristic as a Function of DC Bias,
HSMS-2860.
40
35
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
FR4 MICROSTRIP CIRCUIT.
0.9
0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
MEASUREMENTS MADE USING A
OUTPUT VOLTAGE (mV)
30
25
20
15
10
5
.1
Input Power =
–30 dBm @ 2.45 GHz
Data taken in fixed-tuned
FR4 circuit
R
L
= 100 KΩ
1
10
100
BIAS CURRENT (µA)
Figure 7. Voltage Sensitivity as a
Function of DC Bias Current,
HSMS-2860.
OUTPUT VOLTAGE (mV)
FREQUENCY = 2.45 GHz
P
IN
= -40 dBm
R
L
= 100 KΩ
Figure 8. Output Voltage vs.
Temperature, HSMS-2850 Series.
Applications Information
See the HSMS-285A data sheet.
5
Ordering Information
Specify part number followed by option. For example:
H
SMS - 285X #X XX
Bulk or Tape and Reel Option
Profile: Low = L
Part Number
Surface Mount Schottky
Hewlett-Packard
Profile Option
Descriptions
#L30 = Bulk
#L31 = 3K pc. Tape and Reel,
Device Orientation
Figures 9, 10
Tape and Reeling conforms to
Electronic Industries RS-481,
“Taping of Surface Mounted
Components for Automated
Placement.”
Package Dimensions
Outline 23 (SOT-23)
1.02 (0.040)
0.89 (0.035)
0.54 (0.021)
0.37 (0.015)
3
1.40 (0.055)
1.20 (0.047)
2
2.65 (0.104)
2.10 (0.083)
PACKAGE
MARKING
CODE
XX
1
0.50 (0.024)
0.45 (0.018)
2.04 (0.080)
1.78 (0.070)
TOP VIEW
0.152 (0.006)
0.066 (0.003)
1.02 (0.041)
0.85 (0.033)
3.06 (0.120)
2.80 (0.110)
0.10 (0.004)
0.013 (0.0005)
SIDE VIEW
DIMENSIONS ARE IN MILLIMETERS (INCHES)
0.69 (0.027)
0.45 (0.018)
END VIEW
Outline 143 (SOT-143)
0.92 (0.036)
0.78 (0.031)
PACKAGE
MARKING
CODE
E
XX
B
E
0.54 (0.021)
0.37 (0.015)
C
1.40 (0.055)
1.20 (0.047)
2.65 (0.104)
2.10 (0.083)
0.60 (0.024)
0.45 (0.018)
2.04 (0.080)
1.78 (0.070)
3.06 (0.120)
2.80 (0.110)
0.15 (0.006)
0.09 (0.003)
1.02 (0.041)
0.85 (0.033)
0.10 (0.004)
0.013 (0.0005)
DIMENSIONS ARE IN MILLIMETERS (INCHES)
0.69 (0.027)
0.45 (0.018)