R F
C o m p o n e n t s
April 2015
Multilayer Directional Coupler (2 in 1)
For 824-849MHz / 880-915MHz / 1710-1785MHz / 1850-1910MHz
HHM2319B2
2.0x1.25mm [EIA 0805]*
* Dimensions Code JIS[EIA]
Caution
The products in this catalog will be or have been
stopped production
Discontinue Issue Date
Jun. 4, 2020
Last Purchase Order Date
Dec. 31, 2021
Last Shipment Date
Mar. 31, 2022
Please refer to our Web site about replacement information.
RF Components
Multilayer Directional Coupler (2 in 1)
Conformity to RoHS Directive
For 824-849MHz / 880-915MHz / 1710-1785MHz / 1850-1910MHz
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HHM2319B2
SHAPES AND DIMENSIONS
[Top view]
2.00±0.15
(4)
(1)
(8)
(5)
Marking
(6)
0.65±0.10
(7)
0.30±0.20
0.25±0.20
[Bottom view]
(2)
1.25±0.15
(3)
0.95±0.20
0.35±0.10
Dimensions in mm
Th
e
0.20±0.20
RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://product.tdk.com/en/environment/rohs/
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20150421 / rf_coupler_hhm2319b2_en.fm
RF Components
HHM2319B2
ELECTRICAL CHARACTERISTICS
Isolation
(Directivity)
Return Loss (dB)
Characteristic Impedance (:)
IN1-OUT2
IN2-OUT1
IN1-IN2
(MHz)
(dB)
(dB)max.
(dB)min.
(dB)min.
(dB)min.
IN-Load
(dB)
824 to 849
20.0±1.0
0.20
32
32
28
35typ.
32min.
17.69
1
880 to 915
1710 to 1785
20.0±1.0
20.0±1.0
0.20
0.30
32
32
32
32
28
28
35typ.
35typ.
32min.
32min.
17.69
17.69
50 (Nominal)
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Band
Frequency Range
Coupling Factor
Insertion Loss
(dB)min.
2
1850 to 1910
20.0±1.0
0.30
32
32
28
35typ.
32min.
17.69
Isolation between opposite bands is specified over the frequency ranges of both bands.
Isolation in-band is specified over the frequency of the band in question
TEMPERATURE RANGE
Storage temperature
(°C)
–40 to +85
Th
e
Operating temperature
(°C)
–40 to +85
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20150421 / rf_coupler_hhm2319b2_en.fm
RF Components
HHM2319B2
FREQUENCY CHARACTERISTICS (BAND1)
0.0
0.2
COUPLING
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INSERTION LOSS
10
0.6
0.8
1.0
800
VSWR
2.0
1.8
VSWR
1.6
1.4
1.2
20
25
850
900
Frequency (MHz)
950
30
800
1000
850
900
Frequency (MHz)
950
1000
900
Frequency (MHz)
950
1000
ISOLATION(IN-Load)
20
25
30
35
40
850
900
Frequency (MHz)
950
1000
45
800
850
Th
e
1.0
800
Coupling(dB)
0.4
Isolation(dB)
Insertion Loss (dB)
15
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20150421 / rf_coupler_hhm2319b2_en.fm
RF Components
HHM2319B2
FREQUENCY CHARACTERISTICS (BAND2)
0.0
0.2
COUPLING
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INSERTION LOSS
10
0.4
0.6
Coupling(dB)
Insertion Loss (dB)
15
20
25
0.8
1.0
1700
VSWR
2.0
1.8
1750
1800
1850
1900
Frequency (MHz)
1950
30
1700
2000
1750
1800
1850
1900
Frequency (MHz)
1950
2000
1850
1900
Frequency (MHz)
1950
2000
ISOLATION(IN-Load)
20
25
VSWR
1.4
Isolation(dB)
30
1.6
35
40
1.2
1750
1800
1850
1900
Frequency (MHz)
1950
2000
50
1700
1750
1800
Th
e
1.0
1700
45
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20150421 / rf_coupler_hhm2319b2_en.fm
RF Components
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RECOMMENDED REFLOW PROFILE
Preheating
Soldering
Peak
T4
T: Temperature
3°C/sec
or lower
6°C/sec
or lower
T3
T2
T1
t1
T3
t3
t2
t: Time
Preheating
Temp.
T1
150°C
t3
T2
200°C
Time
t1
60 to 120sec
Soldering
Critical zone (T3 to T4)
Temp.
Time
T3
t2
217°C
60 to 120sec
Th
e
: Time within 5°C of actual peak temperature
The maximum number of reflow is 3.
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
Peak
Temp.
T4
240 to 260°C
Time
t3
30sec max.
RF Components
REMINDERS FOR USING THESE PRODUCTS
Before using these products, be sure to request the delivery specifications.
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SAFETY REMINDERS
Please pay sufficient attention to the warnings for safe designing when using these products.
REMINDERS
The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications equipment,
home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement equipment,
industrial robots) under a normal operation and use condition.
The products are not designed or warranted to meet the requirements of the applications listed below, whose performance and/or quality
require a more stringent level of safety or reliability, or whose failure, malfunction or trouble could cause serious damage to society, person
or property.
Please understand that we are not responsible for any damage or liability caused by use of the products in any of the applications below
or for any other use exceeding the range or conditions set forth in this catalog.
(1) Aerospace/Aviation equipment
(2) Transportation equipment (cars, electric trains, ships, etc.)
(3) Medical equipment
(4) Power-generation control equipment
(5) Atomic energy-related equipment
(6) Seabed equipment
(7) Transportation control equipment
(8) Public information-processing equipment
(9) Military equipment
(10) Electric heating apparatus, burning equipment
(11) Disaster prevention/crime prevention equipment
(12) Safety equipment
(13) Other applications that are not considered general-purpose
applications
Th
e
When using this product in general-purpose applications, you are kindly requested to take into consideration securing protection circuit/
equipment or providing backup circuits, etc., to ensure higher safety.
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20150421 / rf_coupler_hhm2319b2_en.fm
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