■ Vacuum coating, lumped & distributed design
  ■ Suitable for standard attenuator and impedance match
  ■ High frequency, excellent response, high accuracy, high stability
   BSJ BSJG Series Thin-film Attenuator

★ Electrical Character istics


▲ Nominal attenuation

    Lumped parameter

    1dB~40dB

    Distributed parameter

     5dB~40dB

▲ Characteristic impedance (Ω)：

     Distributed parameter      

     50、75

     Lumped parameter

      50、75、150、300、500、600

★ Environment Characteristics

▲ Temperature range： -55℃ ~+ 125℃

▲ Performance at high temperature：100±℃，30min

     Attenuation variation/tolerance≤2

▲ Vibration：10~500HZ， 150m /s2，1h

▲ Collision：40~80time/min， 250m /s2，2000time

 

▲ Constant acceleration：

Type

Class of attenuation tolerance

Attenuation tolerance
△b(dB)

Lumped parameter

Ⅰ

±0.02 √0.1b

Ⅱ

±0.05 √0.1b

Ⅲ

±0.1 √0.1b

Ⅳ

±0.2 √0.1b

Distributed parameter

Ⅴ

±0.05 √0.1b

Ⅵ

±0.1 √0.1b

Ⅶ

±0.2 √0.1b

     200m /s2，10min

    Characteristic impedance/tolerance≤1.5

    Attenuation variation/tolerance≤1.5

▲ Temperature variation：
   -55℃ ，30min，+ 125℃ ，30min

     Characteristic impedance/tolerance≤2

     Attenuation variation/tolerance≤2

▲ Constant damp-heat：40± 2℃ ，93%R.H.96h

★ Detail specification

    Characteristic impedance/tolerance≤2

     Q/RU327-1999(BSJ1~85)

    Attenuation variation/tolerance≤2

     Q/RU334-2002(BSJ301~305)

▲ Load test：

     Q/RU336-2002(BSJG22)

   70℃ , rated powder, 96h

 Note：① SW-1，SW-2terminall and 2 are connected and grounded

   Characteristic impedance/tolerance≤2

             ② SL-1 is in Ⅱform, terminal 2 and 3 are connected and grounded

   Attenuation variation/tolerance≤2

 

▲ Long term continuous load

 

     70± 2℃ ，rated power，1000h 

 

    Characteristic impedance/tolerance≤2

 

    Attenuation variation/tolerance≤2

 

Type

Restistance
 (Ω)

Tolerance
(±%)

range
(dB,N)

stage

rate

frequcy
(MHZ)

power
(W)

dimension
(mm)

structure

elctrical type

BSJ1

50

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.25

≤1500

0.2

5×8×0.5

SP-1

T

BSJ3

50

0.5,1,2

1~60db

ⅡⅢⅣ

≤1.35

≤500

0.1

5×150×5

SP-1

T

BSJ4

50

0.5,1,2

1~60db

ⅡⅢⅣ

≤1.35

≤500

0.1

6×13×0.4

SP-1

T

BSJ7

50

0.5,1,2

5~40db

ⅡⅢⅣ

≤1.3

≤1500

0.2

12×15×0.5

SP-2

BSJ8

50

0.5,1,2

5~40db

ⅡⅢⅣ

≤1.3

≤1000

0.2

10×25×0.6

SP-1

Ⅱ

BSJ13

75

0.2,0.5,1,2

1~40db

ⅠⅡⅢⅣ

≤1.35

≤100

0.1

8.5×11×3

SW-1

Ⅱ

BSJ16

600

0.5,1,2

0.5,1.2db

ⅡⅢⅣ

≤1.3

≤100

0.5

15×21×3

SW-1

T

BSJ17

50,75

0.5,1

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.2

11×16×3

SW-1

Ⅱ

BSJ18

75

0.2,0.5,1,2

1~40db

ⅠⅡⅢⅣ

≤1.35

≤100

0.2

8.5×11×3

SW-2

Ⅱ

BSJ19

50

0.2,0.5,1

1~40db

ⅠⅡⅢⅣ

≤1.3

≤300

0.2

8.5×11×3

SW-1

Ⅱ

BSJ19A

50

0.2,0.5,1

1~40db

ⅡⅢⅣ

≤1.3

≤300

2

8.5×11×3

SW-1

Ⅱ

BSJ21

75

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.2

8.5×11×3

SL-1

T

BSJ22

75

0.5,1,2

1~40db

ⅠⅡⅢⅣ

≤1.35

≤100

0.2

11×16×3

SL-1

Ⅱ

BSJ23

600

0.5,1,2

0.5~1N

ⅡⅢⅣ

≤1.35

≤100

0.3

11×16×3

SL-1

H

BSJ23A

600

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.3

8.5×11×3

SL-1

H

BSJ24

500

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.2

10×13×3

SW-2

Ⅱ

BSJ25

75

0.5,1,2

0.1~5N

ⅡⅢⅣ

≤1.35

≤100

0.2

8.5×11×3

SL-1

Ⅱ

BSJ26

600/75

0.5,1,2

──

──

──

≤100

0.2

7.5×20×0.6

SW-4

Ⅱ

BSJ27

75

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.3

≤500

0.3

7.5×20×0.6

SW-4

Ⅱ

BSJ28

75

0.5,1,2

5~40db

ⅡⅢⅣ

≤1.25

≤1500

0.2

10×13×3

SW-2

BSJ30

300

1,2

0.1~5N

ⅡⅢⅣ

≤1.35

≤100

0.2

10×13×3

SW-2

Ⅱ

BSJ31

150

1,2

0.1~5N

ⅡⅢⅣ

≤1.35

≤100

0.2

6×11×3

SW-2

Ⅱ

BSJ32

500

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.1

8.5×11×3

SL-1

Ⅱ

BSJ33

600

1,2

0.5~40db

ⅡⅢⅣ

≤1.35

≤100

0.2

11×16×3

SW-2

Ⅱ

BSJ34

600/50

0.5,1,2

──

──

──

≤100

0.3

11×16×3

SW-2

Ⅱ

BSJ36

75

1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.2

8.5×11×3

SL-1

Ⅱ

BSJ37

50

0.2,0.5,1

1~40db

ⅠⅡⅢⅣ

≤1.35

≤100

0.2

12×15×0.5

SP-1

Ⅱ

BSJ38

50

0.5,1,2

1~40db

ⅠⅡⅢⅣ

≤1.3

≤500

0.2

10×13×3

SW-2

Ⅱ

BSJ39

150

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.2

10×15×0.5

SP-1

Ⅱ

BSJ40

75/50

0.5,1

──

──

──

≤500

0.2

10×15×0.5

SP-1

Ⅱ

BSJ42

50

0.5,2

1~40db

ⅡⅢⅣ

≤1.3

≤300

0.2

6×8.5×3

SW-2

T

BSJ44

75

0.5,1,2

1~40db

ⅡⅢⅣ

≤1.35

≤100

0.1

10×15×0.5

SP-2

Ⅱ

BSJ56

50

0.5,1,2

5~30db

ⅢⅣ

≤1.2

≤3000

0.5

10×20×0.5

SP-2

BSJ62

50

0.5,1,2

5~60db

ⅢⅣ

≤1.2

≤1500

0.5

8.5×11×3

SW-1

BSJ6

600

0.5,1,2

0.1N~1.5N

ⅢⅣ

≤1.35

≤100

0.2

6×16×3

SP-2

□

BSJ65/66

150/600

0.5,1,2

1~30db

ⅢⅣ

≤1.35

≤100

0.2

11×31×3

SL-1

□

BSJZ06

300/600

0.5,1,2

0.5~8

ⅡⅢⅣ

≤1.35

≤100

0.5

11×31×3

SL-1

T

BSJ69E

75

0.5,1,2

1(2)×10db

ⅡⅢⅣ

≤1.35

≤100

0.5

8.5×11×3

SL-1

Ⅱ

BSJ83

600

0.5,1,2

1~30db

ⅡⅢⅣ

≤1.35

≤100

0.2

8.5×11×3

SL-1

□

BSJ84

1500

0.5,1,2

3~20db

ⅡⅢⅣ