SMV1249-079LF Skyworks Solutions Inc, SMV1249-079LF Datasheet - Page 5

• Manufacturer Part Number: SMV1249-079LF
• Description: DIODE VARACTOR 15V 20MA SC-79
• Manufacturer: Skyworks Solutions Inc

Specifications of SMV1249-079LF

• Diode Type: Single
• Capacitance @ Vr, F: 2.8pF @ 4.7V, 50MHz
• Capacitance Ratio: 12.1
• Capacitance Ratio Condition: C0.3/C4.7
• Voltage - Peak Reverse (max): 15V
• Q @ Vr, F: 600 @ 3V, 50MHz
• Mounting Type: Surface Mount
• Package / Case: SC-79
• Capacitance Cd Max @ Vr F: 2.8pF
• Resistance @ If: 2.2ohm
• Repetitive Reverse Voltage Vrrm Max: 15V
• Forward Current If(av): 20mA
• Operating Temperature Range: -55°C To +125°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 863-1137-2

Typical Performance Characteristics
Figure 3. Relative Capacitance Change vs Temperature
100.0
10.0
+3
+2
+1
–1
–2
–3
1.0
0.1
0
200061F • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • September 18, 2009
–40
Figure 1. Capacitance vs Reverse Voltage
0
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
–20
2.0
Temperature (°C)
0
Reverse Voltage (V)
+20
V
V
R
R
4.0
= 1 V
= 4 V
+40
6.0
SMV1255
SMV1253
SMV1251
SMV1249
SMV1247
SMV1248
+60
+80
8.0
Figure 4. Relative Series Resistance Change vs Temperature
Figure 2. Series Resistance vs Reverse Voltage @ 500 MHz
+15
+10
–10
–15
–20
–25
+5
–5
10
0
8
6
4
2
0
–50
0
SMV1255
–25
DATA SHEET • SMV1247-SMV1255 VARACTORS
SMV1251
1
Temperature (°C)
@ 500 MHz
0
SMV1247
Reverse Voltage (V)
2
SMV1253
+25
SMV1248
3
+50
SMV1249
+75
4
+100
5
5