The products in this catalog are not recommended for new design R F C o m p o n e n t s April 2015 Multilayer Balun For 2400–2500MHz HHM1904A1 1.0x0.5mm [EIA 0402]* * Dimensions Code JIS[EIA]

The products in this catalog are not recommended for new design R F C o m p o n e n t s Multilayer Balun Conformity to RoHS Directive For 2400–2500MHz HHM1904A1 SHAPES AND DIMENSIONS [Top view] 1.00±0.05 0.50max. (4) 5 0 0 1 (1) (3) 0.50±0. 0.30±0. (2) Marking [Bottom view] 0.12±0.07 0.30±0.10 7 0 ±0. Terminal functions 2 1 1 Balanced port 0. 2 Unbalanced port 3 Balanced port 4 GND 0.35±0.10 Dimensions in mm RECOMMENDED LAND PATTERN 0.70 0.45 0.30 0.20 5 0 0 0 2 3 0. 0. 0. 5 4 0. Dimensions in mm RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://product.tdk.com/en/environment/rohs/ • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 2200115500442211 // rrff__bbaalluunn__hhhhmm11990044aa11__eenn..ffmm

The products in this catalog are not recommended for new design R F C o m p o n e n t s HHM1904A1 ELECTRICAL CHARACTERISTICS Frequency Range Item Min. Typ. Max. (MHz) Unbalanced Port Characteristic Impedance ((cid:2)) 50 (Nominal) Balanced Port Characteristic Impedance ((cid:2)) 75 (Nominal) Return Loss at Unbalanced Port (dB) 2400 to 2500 10 — — Phase Balance (deg.) 2400 to 2500 170 — 190 Amplitude Balance (dB) 2400 to 2500 –2.0 — 2.0 Insertion Loss (dB) 2400 to 2500 — — 0.8 TEMPERATURE RANGE Operating temperature Storage temperature （°C） （°C） –40 to +85 –40 to +85 • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 2200115500442211 // rrff__bbaalluunn__hhhhmm11990044aa11__eenn..ffmm

The products in this catalog are not recommended for new design R F C o m p o n e n t s HHM1904A1 FREQUENCY CHARACTERISTICS INSERTION LOSS AMPLITUDE BALANCE 0.0 5 0.5 4 1.0 3 1.5 2 )B ()LossdB 22..05 (alanced 10 nsertion 3.0 plitude B –1 I 3.5 m –2 A 4.0 –3 4.5 –4 5.0 –5 2100 2200 2300 2400 2500 2600 2700 2100 2200 2300 2400 2500 2600 2700 Frequency(MHz) Frequency(MHz) RETURN LOSS PHASE BALANCE 0 200 5 10 190 ()Return LossdB 221055 ()ase Balancedeg. 180 h P 30 170 35 40 160 2100 2200 2300 2400 2500 2600 2700 2100 2200 2300 2400 2500 2600 2700 Frequency(MHz) Frequency(MHz) • All specifications are subject to change without notice. • Before using these products, be sure to request the delivery specifications. 2200115500442211 // rrff__bbaalluunn__hhhhmm11990044aa11__eenn..ffmm

The products in this catalog are not recommended for new design R F C o m p o n e n t s RECOMMENDED REFLOW PROFILE Preheating Soldering Peak T4 3°C/sec 6°C/sec or lower or lower e ur T3 T3 at er p m e T T2 T: t3 T1 t1 t2 t: Time Soldering Preheating Critical zone (T3 to T4) Peak Temp. Time Temp. Time Temp. Time T1 T2 t1 T3 t2 T4 t3 150°C 200°C 60 to 120sec 217°C 60 to 120sec 240 to 260°C 30sec max. t3 : Time within 5°C of actual peak temperature The maximum number of reflow is 3. (cid:129)All specifications are subject to change without notice. (cid:129)Before using these products, be sure to request the delivery specifications.

The products in this catalog are not recommended for new design R F C o m p o n e n t s 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 (8) Public information-processing equipment (2) Transportation equipment (cars, electric trains, ships, etc.) (9) Military equipment (3) Medical equipment (10) Electric heating apparatus, burning equipment (4) Power-generation control equipment (11) Disaster prevention/crime prevention equipment (5) Atomic energy-related equipment (12) Safety equipment (6) Seabed equipment (13) Other applications that are not considered general-purpose (7) Transportation control equipment 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. 2200115500442211 // rrff__bbaalluunn__hhhhmm11990044aa11__eenn..ffmm