HHM1525 TDK Corporation, HHM1525 Datasheet - Page 48

• 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

Multilayer Baluns, HHM Series
HHM1548E1 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
–5
0.0
0.2±0.2
0
2500
0
2500
0.65±0.2
6
1
2750
2750
0.3
2.0±0.15
0.35±0.2
3000
5
2
0.4
3000
6
1
0.3
Frequency ( MHz )
3250 3500
Frequency ( MHz )
3250 3500
4
3
5
2
0.2
0.3±0.2
4
3
0.95±0.1
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
ø0.3 Through-hole
3750
Dimensions in mm
3750
4000 4250
4000 4250
Dimensions in mm
4500
4500
1: 3200.0MHz
2: 3562.5MHz
3: 3925.0MHz
1: 3200.0MHz
2: 3562.5MHz
3: 3925.0MHz
–14.05dB
–22.40dB
–13.49dB
–0.71dB
–0.39dB
–0.53dB
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
–1
–2
–3
200
190
180
170
160
3
2
1
0
2500
Balanced
output
200Ω
2500
2750 3000
2750 3000
Frequency ( MHz )
3250 3500
Frequency ( MHz )
3250 3500
3750 4000 4250
TERMINAL FUNCTIONS
1
2
3
4
5
6
3750 4000 4250
Operating
Storage
Unbalanced Port
GND
Balanced Port
Balanced Port
GND
N.C.
001-01/ 20070830 /e8balun_hhm.fm
4500
4500
1: 3200.0MHz
2: 3562.5MHz
3: 3925.0MHz
1: 3200.0MHz
2: 3562.5MHz
3: 3925.0MHz
0.11dB
–0.36dB
–0.46dB
183.83degrees
183.93degrees
182.50degrees
50Ω
200Ω
3200 to 3925MHz
10dB min.
180±10deg.
0±1.0dB
1.2dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
(48/53)