Datasheet > B39321-B3751-U310

B39321-B3751-U310

更新时间： 2024-02-17 17:07:44

品牌	Logo	应用领域
爱普科斯 - EPCOS		/
页数	文件大小	规格书
6页	80K
描述
SAW Components Low-loss Filter 315,00 MHz

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B39321-B3751-U310 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	风险等级：	5.79
中心频率或截止频率 (fo/fc)：	315 MHz	滤波器类型：	SAW FILTER
高度：	1.35 mm	输入阻抗：	560 OHM//2 pF
最大插入损耗：	3 dB	JESD-609代码：	e4
长度：	5 mm	安装类型：	SURFACE MOUNT
功能数量：	1	最高工作温度：	95 °C
最低工作温度：	-45 °C	输出阻抗：	560 OHM//2 pF Ω
物理尺寸：	L5.0XB5.0XH1.35 (mm)/L0.197XB0.197XH0.053 (inch)	端子面层：	Gold (Au) - with Nickel (Ni) barrier
宽度：	5 mm

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SAW Components

Low-loss Filter

Data Sheet

B3751

315,00 MHz

Characteristics

Reference temperature:

T_A= –45 ... +95˚C

Terminating source impedance:

Terminating load impedance:

Z_S= 50 Ω and matching network

Z_L= 50 Ω and matching network

min.

typ.

max.

f_C

—

315,00

—

MHz

Center frequency

(center frequency between 3 dB points)

Minimum insertion attenuation

α_min

(including losses in matching network)

314,84 ... 315,16 MHz

—

2,1

3,0

Pass band (relative to α_min

)

314,84 ... 315,16 MHz

314,82 ... 315,18 MHz

314,78 ... 315,22 MHz

—

0,5

0,7

1,0

2,0

3,0

6,0

Pass bandwidth

α_rel≤ 3 dB

0,57

0,62

0,67

MHz

Relative attenuation (relative to α_min

)

α_rel

10,00 ... 294,50 MHz

294,50 ... 304,50 MHz

304,50 ... 312,80 MHz

312,80 ... 313,20 MHz

313,20 ... 314,30 MHz

—

316,00 ... 318,00 MHz

318,00 ... 325,00 MHz

325,00 ... 335,00 MHz

335,00 ... 600,00 MHz

600,00 ...1000,00 MHz

—

Impedance for pass band matching ²⁾

Input: Z_IN= R_IN|| C_IN

Output: Z_OUT= R_OUT|| C_OUT

—

560 || 2,0

—

Ω || pF

²⁾Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to

source- and to load impedance (here 50 Ohm). After the SAW filter is removed and input imped-

ance into the input matching / output matching network is calculated.

The conjugate complex value of these characteristic impedances are the input and output imped-

ances for flat passband. For more details, we refer to EPCOS application note #4.

Mar 13, 2003

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