HHM1908A2

R F C o m p o n e n t s October 2017 Multilayer Balun For 4900–5950MHz HHM1908A2 1.0x0.5mm [EIA 0402]* * Dimensions Code JIS[EIA] RF Components Multilayer Balun Conformity to RoHS Directive For 4900–5950MHz HHM1908A2 SHAPES AND DIMENSIONS 1.00±0.05 [Top view] 0.50max. (3) (1) (2) Marking 0.50±0.05 (4) [Bottom view] 0.10±0.10 0.12±0.07 0.20±0.10 Terminal functions 1 Unbalanced port 2 Balanced port 3 Balanced port 4 GND Dimensions in mm 0.30±0.10 RECOMMENDED LAND PATTERN 0.90 0.35 0.20 0.80 0.20 0.30 Dimensions in mm RoHS Directive Compliant Product: See the following for more details.https://product.tdk.com/info/en/environment/rohs/index.html • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 20171018 / rf_balun_hhm1908a2_en.fm RF Components HHM1908A2 ELECTRICAL CHARACTERISTICS Frequency Range (MHz) Item Unbalanced Impedance () Balanced Impedance () Unbalanced Port Return Loss (dB) Phase Imbalance at Balanced Port (deg.) Amplitude Imbalance at Balanced Port (dB) Insertion Loss (dB) 4900 to 5950 4900 to 5950 4900 to 5950 4900 to 5950 Min. Typ. Max. 10 170 –2.5 — 50 (Nominal) 100 (Nominal) 29.0 177.3 –1.6 0.26 — 190 2.5 0.55 TEMPERATURE RANGE Operating temperature （°C） –40 to +85 Storage temperature （°C） –40 to +85 • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 20171018 / rf_balun_hhm1908a2_en.fm RF Components HHM1908A2 FREQUENCY CHARACTERISTICS INSERTION LOSS AMPLITUDE BALANCE 0.0 4 Amplitude Balance(dB) Insertion Loss(dB) 0.5 1.0 1.5 2.0 2 0 –2 2.5 –4 3.0 4000 4500 5000 5500 Frequency (MHz) 6000 6500 4000 7000 RETURN LOSS 4500 5000 5500 Frequency (MHz) 6000 6500 7000 PHASE BALANCE 200 0 195 10 Phase Balance(deg) Return Loss(dB) 190 20 30 185 180 175 170 40 165 50 4000 4500 5000 5500 Frequency (MHz) 6000 6500 7000 160 4000 4500 5000 5500 Frequency (MHz) 6000 6500 7000 • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 20171018 / rf_balun_hhm1908a2_en.fm RF Components HHM1908A2 RECOMMENDED REFLOW PROFILE Preheating Soldering Peak T4 T: Temperature 3°C/sec or lower 6°C/sec or lower T3 T2 T3 t3 T1 t1 t2 t: Time Preheating Temp. T1 150°C T2 200°C Time t1 60 to 120sec Soldering Critical zone (T3 to T4) Temp. Time T3 t2 217°C 60 to 120sec Peak Temp. T4 240 to 260°C Time t3 30sec max. t3 : Time within 5°C of actual peak temperature The maximum number of reflow is 3. • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 20171018 / rf_balun_hhm1908a2_en.fm RF Components REMINDERS FOR USING THESE PRODUCTS Before using these products, be sure to request the delivery specifications. SAFETY REMINDERS Please pay sufficient attention to the warnings for safe designing when using these products. REMINDERS The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications equipment, home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement equipment, industrial robots) under a normal operation and use condition. The products are not designed or warranted to meet the requirements of the applications listed below, whose performance and/or quality require a more stringent level of safety or reliability, or whose failure, malfunction or trouble could cause serious damage to society, person or property. Please understand that we are not responsible for any damage or liability caused by use of the products in any of the applications below or for any other use exceeding the range or conditions set forth in this catalog. (1) Aerospace/Aviation equipment (2) Transportation equipment (cars, electric trains, ships, etc.) (3) Medical equipment (4) Power-generation control equipment (5) Atomic energy-related equipment (6) Seabed equipment (7) Transportation control equipment (8) Public information-processing equipment (9) Military equipment (10) Electric heating apparatus, burning equipment (11) Disaster prevention/crime prevention equipment (12) Safety equipment (13) Other applications that are not considered general-purpose applications When using this product in general-purpose applications, you are kindly requested to take into consideration securing protection circuit/ equipment or providing backup circuits, etc., to ensure higher safety. • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 20171018 / rf_balun_hhm1908a2_en.fm