![](/html/60/603f/603f68bb1532c0d3b3ba6388495fdfea33c0d89d99d63388925be1c80cbc05ae/bg1.png)
NSVS847 Dec. 2004
Application
Electrical Specification: (Table 1)
The device characteristics are measured in the circuit shown in Fig.1.
Maximum Rating: (Table 2)
Mechanical Specifications: (Fig.2)
Package is designed as small as 3.5x3.5x1.0[mm
Notice:
This part is electrostatic discharge sensitive and may be damaged by improper handling.
437MHz Low Power Transceiver
Table 1. Electrical Specifications
Item Spec. Typ.
Input and Output Impedance Nominal Center Frequency (f0) - 437MHz
Insertion Loss 435~438MHz 3.0dB max. 2.0dB
Response Variation 435~438MHz 1.5dB max. 1.0dB
Input and Output VSWR 435~438MHz 2.5 max. 2.0
Out of Band Rejection
(Relative to Through Level)
Table 2. Maximum Ratings
Item Rating
Maximum Input Power +20dBm
Maximum DC Voltage 7.5V
Operating Temperature Range -10~+60ºC
Storage Temperature -20~+70ºC
http://www.jrc.co.jp/jp/product/device/saw/index.html (Japanese)
JRC SAW FILTER
NSVS847
415.6MHz 50dB min. 55dB
(Operating Temperature Range: -10~+60ºC)
3
] for SMD (Surface Mount Device) type.
Communications Equipment Division
Communications Equipment Marketing Department
10-1, Nishi-Shinjuku 6-chome, Shinjuku-ku,
Tokyo, 160-8328 Japan
Tel. +81 3-3348-3845
Fax. +81 3-3348-3935
http://www.jrc.co.jp/eng/product/saw/index.html(English)
50Ω
![](/html/60/603f/603f68bb1532c0d3b3ba6388495fdfea33c0d89d99d63388925be1c80cbc05ae/bg2.png)
NSVS847 Dec. 2004
IN
50Ω
8
SAW
7
6
1
2
345
OUT
50Ω
(a)
(1)
Fig.1 Measuring circuit
3.5±0. 2
(b)
J1Y
3.5±0.2
(2)
M
(3)
1.0±0.2
(0.95)
4
(0.8)
[5x]
3
5
(0.6)
2
)
(2.54)
7
2
.
1
(
1
[2x ]
(1.0)
6
7
Fig.2 Package dimensions (in mm)
1.3
[6x]
8
4.3
0.8
Marking
(1) Manufacture’s Mark
(2) Lot Number
(a) Year
(b) Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
[8x ]
(0.6)
(3) Part number Mark
Pin no. Connection
1 GND
2 IN/OUT
3 GND
4 GND
5 GND
6 OUT/IN
7 GND
8 GND
0.8
1.27
4.3
Via-Hole(Φ0.3)
1.27
[6x]
Fig.3 Desirable land area (in mm)