
BB179B
UHF variable capacitance diode
Variable capacitance diode, fabricated in planar technology and encapsulated in the SOD523 (SC-79) ultra small SMD plastic package. The excellent matching performance is achieved by gliding matching and a Direct Matching Assembly (DMA) procedure.
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| Cd | diode capacitance | f = 1 MHz; VR = 28 V | 1.9 | 2.1 | 2.25 | pF |
| Cd1/Cd2 | diode capacitance ratio | V2 = 28 V; f = 1 MHz; V1 = 1 V | 8.45 | 9 | 10 | |
| rs | diode series resistance | f = 470 MHz; Cd = 9 pF; Tj = 25 °C | 0.6 | 0.75 | Ω | |
| ΔCd/Cd | diode capacitance matching | V1 = 1 V; V2 = 28 V; Ns = 10 | 2 | % |
All type numbers in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking |
|---|---|---|---|---|---|---|
| BB179B | BB179B,115 | 9340 532 50115 | Discontinued Replacement product | SOD523 | Tape reel smd | C |
| BB179B | BB179B,315 | 9340 532 50315 | Discontinued Replacement product | SOD523 | Tape reel smd | C |
| BB179B | BB179B,335 | 9340 532 50335 | Discontinued Replacement product | SOD523 | Tape reel smd | C |
| BB179B | BB179B,135 | 9340 532 50135 | Discontinued Replacement product | SOD523 | Tape reel smd | C |
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | K | cathode | ![]() | ![]() |
| 2 | A | anode |
| Package Version | Package Name | Package Description | Reference Codes | Issue Date |
|---|---|---|---|---|
| SOD523 | SOD523 | plastic surface-mounted package; 2 leads | SC-79 (EIAJ); | 2006-03-16 |
| Type number | Ordering code (12NC) | Last-time buy date | Last-time delivery date | Replacement product | DN Notice | Status | Comments |
|---|---|---|---|---|---|---|---|
| BB179B | 934053250115 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. | |
| BB179B | 934053250315 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. | |
| BB179B | 934053250335 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. | |
| BB179B | 934053250135 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. |
All type numbers in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.
| Type number | Orderable part number | Chemical content | RoHS | Leadfree conversion date | RHF | IFR (FIT) | MTBF (hours) | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|
| BB179B | BB179B,115 | BB179B | week 51, 2002 | NA | NA | ||||
| BB179B | BB179B,315 | BB179B | Always Pb-free | NA | NA | ||||
| BB179B | BB179B,335 | BB179B | week 51, 2002 | NA | NA | ||||
| BB179B | BB179B,135 | BB179B | week 51, 2002 | NA | NA |
| Type number | Ordering code (12NC) | Last-time buy date | Last-time delivery date | Replacement product | DN Notice | Status | Comments |
|---|---|---|---|---|---|---|---|
| BB179B | 934053250115 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. | |
| BB179B | 934053250315 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. | |
| BB179B | 934053250335 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. | |
| BB179B | 934053250135 | 30-Jun-13 | 31-Dec-13 | DN NXP-DN_201212003DN | Full Withdrawal | Standard End of Life. Multiple Source. |
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