HHM1525 TDK Corporation, HHM1525 Datasheet - Page 27
![XFRMR BALUN RF DCS-PCS/TX-RX SMD](/photos/14/0/140097/0805-rf_sml.jpg)
HHM1525
Manufacturer Part Number
HHM1525
Description
XFRMR BALUN RF DCS-PCS/TX-RX SMD
Manufacturer
TDK Corporation
Series
HHMr
Specifications of HHM1525
Frequency Range
1710 ~ 1990MHz
Package / Case
0805 (2012 Metric)
Impedance - Unbalanced/balanced
50 / 50 Ohm
Phase Difference
180° ±10
Insertion Loss (max)
1.0dB
Return Loss (min)
10dB
Mounting Type
Surface Mount
Product
Baluns
Impedance
50 Ohms
Operating Temperature Range
- 40 C to + 85 C
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
445-3991-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HHM1525A1
Manufacturer:
TDK
Quantity:
3 956
Company:
Part Number:
HHM1525S1
Manufacturer:
TDK
Quantity:
20 940
Multilayer Baluns, HHM Series
HHM1522A7 For AGSM/Tx-Rx
SHAPES AND DIMENSIONS/CIRCUIT
RECOMMENDED PCB PATTERN
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 50Ω
RETURN LOSS
INSERTION LOSS
• All specifications are subject to change without notice.
–10
–15
–20
–25
–30
–35
–40
–45
–50
–1
–2
–3
–4
–5
–5
0
700
0.2±0.2
0
700
0.65±0.2
6
1
0.3
750
750
2.0±0.15
0.35±0.2
0.4
5
2
6
1
800
0.3
800
Frequency ( MHz )
Frequency ( MHz )
4
3
5
2
1
1
0.2
850
850
0.3±0.2
2
2
4
3
0.95±0.1
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
ø0.3 Through-hole
Dimensions in mm
900
3
900
3
950
950
Dimensions in mm
1000
1000
1: 824MHz
2: 859MHz
3: 894MHz
1: 824MHz
2: 859MHz
3: 894MHz
–1.03dB
–1.01dB
–1.02dB
–23.30dB
–25.70dB
–23.32dB
Unbalanced
input
50Ω
1
6
2
5
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
Balanced impedance
Frequency range
Unbalanced port return loss
Phase impedance at balanced port
Amplitude impedance at balanced port
Insertion loss
Temperature range
Packaging style and quantities
AMPLITUDE BALANCE
PHASE BALANCE
200
195
190
185
180
175
170
165
160
4
3
–1
–2
–3
–4
–5
5
4
3
2
1
0
700
700
Balanced
output
50Ω
750
750
800
800
Frequency ( MHz )
Frequency ( MHz )
1
1
850
850
2
2
TERMINAL FUNCTIONS
1
2
3
4
5
6
900
3
900
3
Operating
Storage
950
950
Unbalanced Port
GND or DC feed+ RF GND
Balanced Port
Balanced Port
GND
N.C.
001-01/ 20070830 /e8balun_hhm.fm
1000
1000
1: 824MHz
2: 859MHz
3: 894MHz
1: 824MHz
2: 859MHz
3: 894MHz
0.120dB
0.150dB
0.184dB
180.2deg.
180.4deg.
180.4deg.
50Ω
50Ω
824 to 894MHz
10dB min.
180±10deg.
0±1.0dB
1.4dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
(27/53)