Fujitsu FKB7401 Series User Manual

 

 Mechanical

Number of Keys

83 keys

84 keys

87 keys

 

Key Switch Type

Membrane switch

 

Keytop Style

Rectangular cylindrical

 

Operating Force

50 gf ±25 gf (1.760 ±0.88 oz.)

 

Stroke

3.0 mm ±0.5 mm (0.118 in. ±0.019 in.)

 

Tactile

20 gf typ. (0.704oz.), Soft type

 

Height

8.5 mm (0.334 in.)

 

Operating Life

10 M operations min.

 Electrical

Interface

Row and column matrix

 

Contact Resistance

1 K ohm max. at 5 V DC

 

Key Switch Bounce

10 ms max.

 Environment  Operating Temperature

0 to 50°C

 

Storage Temperature

–20 to 60°C

 

Humidity

90% RH max. at +40°C max. inversely proportional change to 50% RH

 

at 60°C

n 

FKB7401-001

83

U.S.

FKB7401-002

84

U.K.

FKB7401-003

German

FKB7401-004

French

FKB7401-005

Italian

FKB7401-006

Spanish

FKB7401-007

Swedish

FKB7401-008

Swiss

n 

n 

50

0

1

2

Stroke

3 (mm)

100

(gf)

Force