HHM1525 TDK Corporation, HHM1525 Datasheet - Page 40
![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
HHM1541 For Bluetooth&IEEE802.11b/g
SHAPES AND DIMENSIONS/CIRCUIT
RECOMMENDED PCB PATTERN
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 75Ω
RETURN LOSS
INSERTION LOSS
• All specifications are subject to change without notice.
–10
–15
–20
–25
–30
–35
–40
–45
–50
–5
–10
0.2±0.2
2100
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
2100
0
0.65±0.2
6
1
0.3
2200
2.0±0.15
2200
0.35±0.2
0.4
5
2
6
1
2300
0.3
2300
Frequency ( MHz )
Frequency ( MHz )
4
3
5
2
0.2
2400
0.3±0.2
2400
1
1
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
2500
2500
2
2
2600
2600
Dimensions in mm
2700
2700
1: 2400MHz
2: 2500MHz
1: 2400MHz
2: 2500MHz
–14.45dB
–13.63dB
–0.66dB
–0.74dB
Unbalanced
input
50Ω
1
6
5
2
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
–1
–2
–3
–4
–5
205
200
195
190
185
180
175
170
165
160
155
4
3
2100
5
4
3
2
1
0
2100
Balanced
output
50Ω
2200
2200
2300
2300
Frequency ( MHz )
Frequency ( MHz )
2400
2400
1
1
TERMINAL FUNCTIONS
1
2
3
4
5
6
2500
2500
2
2
Operating
Storage
2600
2600
Unbalanced Port
GND or DC feed+ RF GND
Balanced Port
Balanced Port
GND
N.C.
001-01/ 20070830 /e8balun_hhm.fm
2700
2700
1: 2400MHz
2: 2500MHz
1: 2400MHz
2: 2500MHz
0.66dB
0.66dB
178.6deg.
177.3deg.
50Ω
75Ω
2400 to 2500MHz
10dB min.
180±10deg.
0±2.0dB
1.2dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
(40/53)