HHM1521 TDK Corporation, HHM1521 Datasheet - Page 21

• Manufacturer Part Number: HHM1521
• Description: XFRMR BALUN RF 2.4GHZ SMD
• Manufacturer: TDK Corporation
• Series: HHMr

Specifications of HHM1521

• Frequency Range: 2.4 ~ 2.5GHz
• Impedance - Unbalanced/balanced: 50 / 200 Ohm
• Phase Difference: 180° ±10
• Insertion Loss (max): 1.0dB
• Return Loss (min): 10dB
• Package / Case: 0805 (2012 Metric)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 445-1229-2; HHM-1521

Multilayer Baluns, HHM Series
HHM1517A2 For Bluetooth&IEEE802.11b/g
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
–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
0
2100
2100
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
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
2600
2600
Dimensions in mm
2700
2700
1: 2300.0MHz
2: 2500.0MHz
1: 2300.0MHz
2: 2500.0MHz
–22.83dB
–14.48dB
–0.63dB
–0.93dB
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
4
3
–1
–2
–3
–4
–5
205
200
195
190
185
180
175
170
165
160
155
5
4
3
2
1
0
2100
Balanced
output
50Ω
2100
2200
2200
2300
2300
Frequency ( MHz )
Frequency ( MHz )
2400
2400
TERMINAL FUNCTIONS
1
2
3
4
5
6
2500
2500
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: 2300.0MHz
2: 2500.0MHz
1: 2300.0MHz
2: 2500.0MHz
0.64dB
0.61dB
179.40degrees
177.61degrees
50Ω
50Ω
2300 to 2500MHz
10dB min.
180±10deg.
0±2.0dB
1.2dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
(21/53)