200061N • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 7, 2013
1
DATA SHEET • SMV1247-SMV1255 VARACTORS
Table 1. Packaging and Marking
Single
SC-79
Green™
Single
SOD-323
Green™
Single
SOT-23
Common Anode
SOT-23
Common Cathode
SOT-23
Common Cathode
SC-70
Single
SOD-882
Green™
♦
SMV1247-074
Marking: BF3
♦
SMV1247-079LF
Marking: Cathode
SMV1248-079LF
Marking: Cathode
SMV1247-011LF
Marking: GF
SMV1248-001
Marking: BG1
SMV1248-001LF
Green™
Marking: GG1
SMV1249-001
Marking: AF1
SMV1249-003
Marking: AF9
SMV1249-003LF
Green™
Marking: EF9
SMV1249-004
Marking: AF3
SMV1249-004LF
Green™
Marking: EF3
SMV1251-004
Marking: AH3
♦
SMV1247-074LF
Green™
Marking: GF3
SMV1248-074
Marking: GG3
SMV1248-074LF
Green™
Marking: GG3
SMV1249-074
Marking: AF3
SMV1249-074LF
Green™
Marking: EF3
SMV1251-074
Marking: AH3
SMV1251-074LF
Green™
Marking: EH3
SMV1247-040LF
Marking: H
SMV1248-040LF
Marking: 8
♦
SMV1249-079LF
Marking: Cathode
SMV1249-011LF
Marking: EF
SMV1249-001LF
Green™
Marking: EF1
SMV1249-040LF
Marking: K
SMV1251-079LF
Marking: Cathode
SMV1251-011LF
Marking: EH
SMV1251-001LF
Green™
Marking: EH
SMV1251-004LF
Green™
Marking: EH3
SMV1253-004
Marking: AJ3
SMV1251-040LF
Marking: EH1
SMV1253-040LF
Marking: 3
SMV1253-079LF
Marking: Cathode
SMV1253-011LF
Marking: EJ
SMV1255-001
Marking: AK1
SMV1253-004LF
Green™
Marking: EJ3
SMV1255-040LF
Marking: 4
SMV1255-004LF
Green™
Marking: EK3
L
S
= 1.5 nH
L
S
= 0.45 nH
♦
SMV1255-079LF
Marking: Cathode
L
S
= 0.7 nH
SMV1255-011LF
Marking: EK
L
S
= 1.5 nH
SMV1255-001LF
Green™
Marking: EK1
L
S
= 1.5 nH
The Pb-free symbol or “LF” in the part number denotes a lead-free, RoHS-compliant package unless otherwise noted as Green™. Tin/lead (Sn/Pb) packaging is not recommended
for new designs.
Innovation to Go™
Select Linear Products (indicated by
♦)
now available for purchase online.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SMV1247-SMV1255 group
of varactors are provided in Table 2. Electrical specifications are
provided in Table 3. Typical capacitance values are listed in Table
4. Typical performance characteristics of the SMV1247-SMV1255
varactors are illustrated in Figures 1 through 4.
The SPICE model for the SMV1247-SMV1255 varactors is shown
in Figure 5 and the associated model parameters are provided in
Table 5.
Package dimensions are shown in Figures 6 to 14 (even
numbers), and tape and reel dimensions are provided in Figures 7
February 7, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200061N
DATA SHEET • SMV1247-SMV1255 VARACTORS
Package and Handling Information
Instructions on the shipping container label regarding exposure to
moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
The SMV1247-SMV1255 group of varactors are rated to Moisture
Sensitivity Level 1 (MSL1) at 260
°C.
They can be used for lead or
Table 2. SMV1247-SMV1255 Absolute Maximum Ratings
Parameter
Reverse voltage
Forward current
Power dissipation
Operating temperature
Storage temperature
Electrostatic Discharge:
Charged Device Model (CDM), Class 4
Human Body Model (HBM), Class 1A
Machine Model (MM), Class A
Note:
lead-free soldering. For additional information, refer to the
Skyworks Application Note,
Solder Reflow Information,
document
number 200164.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
Symbol
V
R
I
F
P
DIS
T
OP
T
STG
ESD
Minimum
Maximum
15
20
250
Units
V
mA
mW
°C
°C
V
V
V
–55
–55
+125
+150
1000
250
<50
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION:
Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
SMT贴片机是表面贴装技术（Surface Mount Technology）中的重要设备，它的性能状态对电子制造的质量和效率有着决定性的影响。因此，对SMT贴片机的主要指标性能进行定期检测非常重要。以下是一些主要的检测项目： 定位精度：定位精度是SMT贴片机的核心性能指标，它直接影响到贴片的准确性。通常，我们通过重复测量贴片机在X、Y轴上的移动误差来检测其定位精度。 贴片速度：贴片速度...[详细]
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