Jun. 2021 Ver.3.0
TDK Corporation
Multilayer Balun
For 698 - 960 MHz
HHM Series
P/N:
1.0x0.5mm [EIA 0402] TYPE
HHM1944A4
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
Jun. 2021 Ver.3.0
TDK Corporation
HHM1944A4
■ SHAPES AND DIMENSIONS
L
T
(4)
(3)
(1)
a2
W
c1
Pin function
(1) Balance
(2) Unbalance
(3) Balance
(4) GND
(2)
Mark
L
W
T
a1
c2
b
1
a1
Dimension
1.0±0.05
0.5±0.05
0.50 max
0.3±0.1
Mark
a2
b
c1
c2
Dimension
0.3±0.1
0.35±0.1
0.12±0.07
0.12±0.07
Unit: mm
1
Dimensions (mm)
L
W
T
1.00 0.50 0.50
+/-0.05 +/-0.05
Max
a1
0.3
a2
0.3
b
c1
c2
0.35 0.12 0.12
+/-0.10 +/-0.10 +/-0.10 +/-0.07 +/-0.07
Terminal functions
Balanced Port
(1)
Unbalanced Port
(2)
Balanced Port
(3)
GND
(4)
■ TERMINATION FINISH
Material
Sn plate
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
Jun. 2021 Ver.3.0
TDK Corporation
HHM1944A4
■ ELECTRICAL CHARACTERISTICS
Parameter
Frequency (MHz)
Unbalanced Port
Characteristic Impedance
(ohm)
Balanced Port
Characteristic Impedance
(ohm)
Return Loss@Unbalanced (dB)
Phase Balance (deg.)
Amplitude Balance (dB)
Insertion Loss (dB)
Ta = +25+/-5°C
( Measurement )
TDK Spec
Min. Typ. Max.
50 (Nominal)
100 (Nominal)
698
698
698
698
to
to
to
to
960 15
960 167
960 -4.0
960 -
180
0.0
193
4.0
1.00
■ MAXIMUM RATINGS
Parameter
Operating temperature (°C)
Storage temperature (°C)
Power Handling (W) *1
Human Body Model : HBM
Machine Model : MM
Charged Device Model : CDM
TDK Spec
Conditions
–40 to +85 °C
–40 to +85 °C
Frequency (MHz)
Duty 50%
4
698 to
960
@Each Port (V) +/-1000 100pF / 1500ohm
+/-150
200pF / 0ohm
@Each Port (V)
+/-500
Humidity : 60%RH max
@Each Port (V)
*1 : Refer to 3GPP TS 38.101-1 V15.2.0
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
Jun. 2021 Ver.3.0
TDK Corporation
HHM1944A4
■ FREQUENCY CHARACTERISTICS
HHM1944A4(UNBALANCE 50ohm/BALANCE 100ohm)
Amplitude Balance
698.0
-23.78
829.0
-24.70
960.0
-23.43
0
Return Loss[dB]
-5
-10
MHz
dB
MHz
dB
MHz
dB
-15
-20
-25
3.0
2.0
Amplitude Balance[dB]
Return Loss
1.0
MHz
dB
MHz
dB
MHz
dB
698.0
186.41
829.0
187.07
960.0
185.44
MHz
deg
MHz
deg
MHz
deg
0.0
-1.0
-2.0
-3.0
-30
700
650
750
800
850
900
950
700
650
1000
750
800
850
900
950
1000
Frequency[MHz]
Frequency[MHz]
Phase Balance
698.0
-0.50
829.0
-0.51
960.0
-0.63
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
MHz
dB
MHz
dB
MHz
dB
200
195
Phase Balance[deg]
Insertion Loss
Insertion Loss[dB]
698.0
1.37
829.0
-0.68
960.0
-2.86
190
185
180
175
170
165
160
-3.0
650
700
750
800
850
Frequency[MHz]
900
950
1000
650
700
750
800
850
900
950
1000
Frequency[MHz]
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
Jun. 2021 Ver.3.0
TDK Corporation
HHM1944A4
■ RECOMMENDED LAND PATTERN
unit: mm
■ ENVIRONMENT INFORMATION
RoHS Statement
RoHS Compliance
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
Jun. 2021 Ver.3.0
TDK Corporation
HHM1944A4
■ RECOMMENDED REFLOW PROFILE
3oC/sec
or lower
Preheating
Temp.
T1
T2
Time
t1
150°C 200°C 60 to 120sec
6oC/sec
or lower
Soldering
Critical zone (T3 to T4)
Peak
Temp.
Time
Temp.
Time
T3
t2
T4
t3 *
217°C
60 to 120sec 240 to 260°C 30 sec Max
* t3 : Time within 5°C of actual peak temperature
The maximum number of reflow is 3.
Note:
Lead free solder is recommended.
Recommended solder is Sn-3.0Ag-0.5Cu. (M705 by Senju Metal Industry)
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
Jun. 2021 Ver.3.0
TDK Corporation
HHM1944A4
■ PACKAGING STYLE
Reel Dimensions
Carrier Tape
K
J
Loading Direction
B
D
A
C
E
Sprocket hole
B
t
H
Dimensions (mm)
A
B
C
0.62 1.12 8.0
+/-0.05 +/-0.05
+/-0.2
D
3.5
E
1.75
+/-0.05
+/-0.1
F
2.0
G
G
2.0
F
H
4.0
Unit : mm
J
1.5
+/-0.05 +/-0.05 +/-0.05 +0.1/-0
K
0.51
t
0.2
MAX
+/-0.05
STANDARD PACKAGE QUANTITY
( pieces/reel )
10,000
All specifications are subject to change without notice.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
REMINDERS FOR USING THESE PRODUCTS
Before using these products, be sure to request the delivery specifications.
SAFETY REMINDERS
Please pay sufficient attention to the warnings for safe designing when using these products.
REMINDERS
The products listed on this specification sheet 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 specification sheet.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Aerospace/Aviation equipment
Transportation equipment (cars, electric trains, ships, etc.)
Medical equipment
Power-generation control equipment
Atomic energy-related equipment
Seabed equipment
Transportation control equipment
Public information-processing equipment
Military equipment
Electric heating apparatus, burning equipment
Disaster prevention/crime prevention equipment
Safety equipment
Other applications that are not considered general-purpose applications
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.
TDK Technology - Proprietary and Confidential Information of TDK Group Companies
很抱歉,暂时无法提供与“HHM1944A4”相匹配的价格&库存,您可以联系我们找货
免费人工找货- 国内价格 香港价格
- 10000+0.8234810000+0.10216
- 国内价格 香港价格
- 1+1.669911+0.20716
- 10+1.6211610+0.20111
- 25+1.5724125+0.19506
- 50+1.5195250+0.18850
- 100+1.44007100+0.17864
- 250+1.20462250+0.14944
- 500+0.93492500+0.11598
- 1000+0.890421000+0.11046
- 5000+0.785685000+0.09747