
JRC SAW FILTER
NSVS1252
Application
433.92MHz R.K.E.
Electrical Specification: (Table 1)
The device characteristics are measured in the circuit shown in Fig.1.
Table 1. Electrical Specifications
Item
Nominal Center Frequency (f0)
Spec. Typ.
- 433.92MHz
Filter Bandwidth -3dB Band Width 800kHz min. 1050 kHz
Minimum Insertion Loss 3.5dB max. 3.0dB
Input Output VSWR
Ripple
Attenuation
f
0
±125kHz
f
0
± 1.0MHz
f
0
f
± 10.7MHz
0
± 21.4MHz
f
0
2.0 max. 1.5
1.5dB max. 0.75dB
20dB min. 30dB
60dB min. 65dB
60dB min. 65dB
±125kHz
Operating Temperature Range : (-40~+85℃)
NSVS1252 Oct. 2008
Maximum Rating: (Table 2)
Table 2. Maximum Ratings
Item Rating
Maximum Input Power +5dBm
Operating Temperature Range -40~+85ºC
Storage Temperature -40~+85ºC
Mechanical Specifications: (Fig.2)
Package is designed as small as 3.0x3.0x1.15[mm
Notice:
This part is electrostatic discharge sensitive and may be damaged by improper handling.
Communications Equipment Marketing Department
http://www.jrc.co.jp/jp/product/device/saw/index.html (Japanese)
http://www.jrc.co.jp/eng/product/saw/index.html(English)
Communications Equipment Division
10-1, Nishi-Shinjuku 6-chome, Shinjuku-ku,
Tokyo, 160-8328 Japan
Tel. +81 3-3348-3845
Fax. +81 3-3348-3935
3
] for SMD (Surface Mount Device) type.

NSVS1252 Oct. 2008
IN
50
68nH 68nH
Ω
0.3pF
1
2
3
S A W
6
5
4
0.3pF
OUT
Ω
50
(a)
Fig.1 Measuring circuit
3. 0 ± 0. 1 5
(b)
3. 0 ± 0. 15
8X1
(c)
(1)
SO
(2)
1. 1 5 ± 0. 1 5
(0.6)
(0.25)
3
2
(1.80)
1
(0.45)
Fig.2 Package dimensions (in mm)
0.93
2.2
(0.75)
[4x]
3.8
1.15
Marking
(1) Lot Number
(a) Year
(b) Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
4
[2x]
(0.6)
5
6
[4x]
(0.53)
(c) Date
1-9--- 0
10-19--- 1
20-31--- 2
(2) Part Number Mark
Pin no. Connection
1 GND
2 IN
3 GND
4 GND
5 OUT
6 GND
0.6
3.8
1.15
0.93
Fig.3 Desirable land area (in mm)

NSVS1252 Oct. 2008
Notice
1. Use this component within operating temperature range. It might not be
satisfied with electrical specification without operating temperature range.
When it is used less than -40ºC or more than +85ºC, it might be a cause of
degradation or destruction of the component. Even if it endures during a short
time, it causes degradation of qualification.
2. When soldering iron is used, solder with the temperature at the tip of soldering
iron: 350ºC max., the time of soldering: 10 seconds max., the power of
soldering iron: 30W max..
3. Notice that the allowed time of soldering with soldering iron is accumulated
time, when soldering is repeated.
4. As rapid temperature change for cleaning after reflow soldering might be a
cause of destruction clean this component after confirming that temperature of
this component goes down to room temperature.
5. Confirm that there are not any influence for qualification to this component in
mounting on PCB when this component is cleaned.
6. As it might be a cause of degradation of destruction to apply static electricity to
this component, do not apply static electricity or excessive voltage while
assembling and measuring. And do not transport this component with bare
hand.
Note
1. This specification specifies the quality of this component as a single unit.
Make sure that this component is evaluated and confirmed against this
specification when it is mounted to your products.
2. The information contained herein may be changed without prior notice. It is
therefore advisable to contact Japan Radio Company before proceeding with
the design of equipment incorporating this product.
The products are designed to be used with ordinary electronic equipment
3.
(data and communications equipment, office equipment, audio-video
equipment, measuring instruments, etc). Japan Radio Company does not
assume any liability for the case using the products with the application
required high reliability or safety extremely (such as space equipment,
sea-bottom equipment, medical equipment etc). When intending to use any
our product please contact our sales representatives in advance.

Fig.1 Measuring circuit
(R0.3)
[4
×]
(1.4)
(0.8 )
[12×]
Pin No. Connection
1GND(PKG)
2GND(PKG)
3 GND(PKG)
4GND(PKG)
5OUT/IN
6 GND(signal)
7GND(PKG)
8GND(PKG)
9GND(PKG)
10 GND(PKG )
11 IN/OUT
12 GND(signal)
(b)
(3)
Marking
(1) Manufacture's Mark
(2) Lot Number
(a) Year
(b) Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
(c) Date
1-9 --- 0
10 -19--- 1
20 -31--- 2
(3) Part Number Mark
(1.26± 0.1 3)
[12× ]
[12× ]
(2.5 4 )
(R0.3)
(2)
4
5
6
7
8
910
(C)
1234
10
987
11
12
6
5
OUT
50O
SAW
*27nH
*27nH
39pF
33pF
*murata LQW18Aseries
S21
0
FREQUENCY CHARACTERISTICS
0
Insertion Loss [dB]
VSWR
InsertionLoss [dB]
20
40
60
80
100
CH1 : center 433.92 span 50
CH2 : center 433.92 span 2
S11 S22
S11 S22
11 11
9 9
7 7
5 5
3 3
1 1
432.9 432.9 434.9 434.9
S21
0
20
40
60
80
100
0 3000
VSWR
Frequency [MHz] Frequency [MHz]
Frequency [MHz]
2
4
6
8
10
Insertion Loss [dB]