HHM1570B1 TDK Corporation, HHM1570B1 Datasheet - Page 46
![XFRMR BALUN RF 4.9GHZ WLAN SMD](/photos/14/0/140097/0805-rf_sml.jpg)
HHM1570B1
Manufacturer Part Number
HHM1570B1
Description
XFRMR BALUN RF 4.9GHZ WLAN SMD
Manufacturer
TDK Corporation
Series
HHMr
Specifications of HHM1570B1
Insertion Loss (max)
1.0dB
Return Loss (min)
10dB
Frequency Range
4.9 ~ 5.95GHz
Impedance - Unbalanced/balanced
50 / 100 Ohm
Phase Difference
180° ±10
Package / Case
0805 (2012 Metric)
Mounting Type
Surface Mount
Operating Temp Range
-40C to 85C
Mounting
Surface Mount
Pin Count
6
Operating Temperature Max Deg. C
85C
Operating Temperature Min Deg. C
-40C
Product Depth (mm)
1.25mm
Product Height (mm)
0.95mm
Product Length (mm)
2mm
Transformer Type
Telecom Transformer
Product
Baluns
Insertion Loss
1 dB
Termination Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
445-1231-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HHM1570B1
Manufacturer:
TDK
Quantity:
13 904
Multilayer Baluns, HHM Series
HHM1548A2 For 3.7GHz
SHAPES AND DIMENSIONS/CIRCUIT
RECOMMENDED PCB PATTERN
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 200Ω
RETURN LOSS
INSERTION LOSS
• All specifications are subject to change without notice.
–10
–15
–20
–25
–30
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5
0.0
0.2±0.2
2500
0
2500
0.65±0.2
6
1
0.3
2.0±0.15
3000
3000
0.35±0.2
0.4
5
2
1
6
1
1
0.3
Frequency ( MHz )
Frequency ( MHz )
2
3500
2
3500
4
3
5
2
0.2
0.3±0.2
3
3
4
3
0.95±0.1
4000
4000
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
ø0.3 Through-hole
4
Dimensions in mm
4
4500
4500
Dimensions in mm
5000
5000
1: 3100MHz
2: 3400MHz
3: 3700MHz
4: 4000MHz
1: 3100MHz
2: 3400MHz
3: 3700MHz
4: 4000MHz
–9.33dB
–15.69dB
–20.23dB
–18.49dB
–1.22dB
–0.64dB
–0.48dB
–0.58dB
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
4
3
210
200
190
180
170
160
150
–2
–4
–1
–3
–5
2500
5
4
3
2
1
0
2500
Balanced
output
200Ω
3000
3000
1
1
Operating
Storage
Frequency ( MHz )
Frequency ( MHz )
2
3500
2
3500
3
3
4000
4000
TERMINAL FUNCTIONS
1
2
3
4
5
6
4
4
50Ω
200Ω
3100 to 3400MHz 3400 to 4000MHz
6dB min.
177±20deg.
1±2.0dB
1.5db max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
4500
4500
Unbalanced Port
GND
Balanced Port
Balanced Port
GND
N.C.
001-01/ 20070830 /e8balun_hhm.fm
5000
5000
1: 3100MHz
2: 3400MHz
3: 3700MHz
4: 4000MHz
1: 3100MHz
2: 3400MHz
3: 3700MHz
4: 4000MHz
1.33dB
1.45dB
1.43dB
1.37dB
177.46deg.
178.37deg.
180.95deg.
183.95deg.
50Ω
200Ω
9dB min.
178±20deg. at 3400MHz
180±20deg. at 3700MHz
185±20deg. at 4000MHz
1±2.0dB
1.2dB max.
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