Surface Mount Schottky Quad Mixer Diodes Features ■ Tight Parameter Distribution ■ Available as Ring Quads, Crossover Quads, Bridge Quads and Octoquads ■ 100% DC Tested ■ Designed for High Volume Commercial Applications ■ Available in Tape and Reel Packaging Description Absolute Maximum Ratings Alpha Industries offers a series of low cost devices in a SOT-143 package. They cover low, medium and high barrier junctions as ring quads, crossover quads and bridge quads. An octoquad ring is also offered for high dynamic range applications. These devices are constructed utilizing Alpha’s monolithic chip technology, assuring uniformity of electrical characteristics for each junction. The low capacitance of Alpha’s ring and crossover quads are designed for double balanced mixer applications covering wireless frequencies into C-band. The bridge quads are designated for modulators and frequency multiplier applications. These diodes are 100% DC tested and deliver tight parameter distribution, minimizing performance variability. They compliment Alpha’s product line of Schottky singles and pairs available in SC-70, SC-79, SOD-323, SOT-23 and SOT-143 packages. Available in tape and reel for pick and place manufacturing. Characteristic Value Reverse Voltage (VR) Rated VB Forward Current - Steady State (IF) 50 mA Power Dissipation (PD) 75 mW Storage Temperature (TST) -65°C to +150°C Operating Temperature (TOP) -65°C to +150°C Junction Temperature (TJ) 150°C Soldering Temperature 260°C for 5 Seconds ESD Human Body Model Class 1B Electrical Specifications at 25°C (Per Junction) Barrier VB @ 10 µA (V) CJ @ 0V (pF) VF @ 1 mA (mV) 0.3-0.5 200-270 Min. Low 2 ∆ VF @ 1 mA (mV) RT1 @ 10 mA Ω) (Ω SOT-143 Max. Max. 10 8 Ring Quad Crossover Quad Bridge Quad Octoquad ♦ SMS3926-022 ♦ SMS3926-023 ♦ SMS3929-021 Marking: SE4 Marking: SE5 Marking: SQE Medium 3 0.3-0.5 310-370 10 8 ♦ SMS3927-023 ♦ SMS3930-021 High 4 0.3-0.5 520-580 10 8 ♦ SMS3928-023 ♦ SMS3931-021 ♦ SMS3940-026 Marking: SJ5 Marking: SK5 Marking: SRE Marking: SSE Marking: STG ♦ Available through distribution. 1. RT is the slope resistance. All parameters are based upon a single junction. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 6/01A 1 Surface Mount Schottky Quad Mixer Diodes SPICE Model Parameters (Per Junction) Parameter Unit SMS3926 SMS3929 SMS3927 SMS3930 SMS3928 SMS3931 SMS3940 IS A 2.5E-07 1.3E-09 9E-13 RS Ω N 4 4 4 1.04 1.04 1.04 TT S 1E–11 1E–11 1E–11 CJ0 pF 0.42 0.39 0.39 0.32 0.37 0.42 eV 0.69 0.69 0.69 M EG XTI 2 2 2 FC 0.5 0.5 0.5 BV V 2 3 4 IBV A 1.00E–05 1.00E–05 1.00E–05 VJ V 0.495 0.595 0.800 All parameters are based upon a single junction. Typical Forward Voltage Characteristics at 25°C VF @ 0.01 mA (mV) VF @ 0.10 mA (mV) VF @ 1.0 mA (mV) VF @ 10.0 mA (mV) Typ. Typ. Typ. Typ. SMS3926 100 165 232 324 SMS3927 206 271 338 428 SMS3928 423 488 555 641 Part Number SOT-143 0.110 (2.80 mm) MIN. 0.120 (3.04 mm) MAX. 0.076 (1.92 mm) REF. 0.020 (0.50 mm) REF. 3 4 0.083 (2.10 mm) MIN. 0.104 (2.64 mm) MAX. 1 2 0.068 (1.72 mm) REF. 0.028 (0.70 mm) REF. 0.030 (0.76 mm) MIN. 0.035 (0.89 mm) MAX. 0.047 (1.20 mm) MIN. 0.055 (1.40 mm) MAX. 8˚ MAX. 0.003 (0.08 mm) MIN. 0.008 (0.20 mm) MAX. 0.022 (0.55 mm) REF. 2 0.012 (0.30 mm) MIN. 0.020 (0.50 mm) MAX. 0.031 (0.80 mm) MIN. 0.047 (1.20 mm) MAX. 0.0005 (0.01 mm) MIN. 0.004 (0.15 mm) MAX. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 6/01A