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Product Detailed Parameters
- Description：DIODE VAR CAP 18V 50MA SOT-23
- Series：-
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR)
- Capacitance @ Vr, F：47.5pF @ 2V, 1MHz
- Capacitance Ratio：1.71
- Capacitance Ratio Condition：C2/C8
- Voltage - Peak Reverse (Max)：18 V
- Diode Type：1 Pair Common Cathode
- Q @ Vr, F：200 @ 2V, 100MHz
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：PG-SOT23
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Overview
The BB 804 SF3 E6327 is a dual varactor diode manufactured by Infineon Technologies, designed for surface-mount applications in the PG-SOT23 package. It features a common cathode configuration with a maximum peak reverse voltage of 18 V. Key electrical parameters include a capacitance of 47.5 pF at 2 V and 1 MHz, a Q factor of 200 at 2 V and 100 MHz, and a capacitance ratio of 1.71 (C2/C8). The device operates within a junction temperature range of -55°C to 125°C.
Feature Summary
- Dual varactor structure with common cathode configuration
- High quality factor for efficient RF performance
- Compact SMT packaging suitable for space-constrained designs
Applications
- RF tuning circuits
- Voltage-controlled oscillators
- Frequency modulation modules
Procurement Notes
Verify component authenticity through official Infineon channels or authorized distributors. Confirm the specific suffix matches the required variant. Check for end-of-life status as availability may be limited. Ensure storage conditions comply with moisture sensitivity levels. Validate datasheet revisions against current production batches.
Selection Notes
Select this component when a dual varactor with low forward voltage drop and high Q factor is required. Compare capacitance ratios and reverse voltage ratings against circuit requirements. Consider thermal management capabilities within the specified operating temperature range. Evaluate package compatibility with existing PCB footprints.
Part Context
This part belongs to Infineon's BB 804 series of varactor diodes. These components are engineered for RF and microwave applications requiring precise capacitance control via voltage adjustment. The series offers consistent performance across varying environmental conditions.
Replacement Considerations
Consult official Infineon substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully. Generic equivalents may not match the specific Q factor or capacitance ratio requirements.
