Fujitsu FKB7401 User Manual

STANDARD KEYBOARD

SUPER LOW PROFILE NOTEBOOK KEYBOARD (83/84/87-Keys)

FKB7401 SERIES

n FEATURES

• 8.5 mm (0.335 in.) total height, 3.0 mm (0.118 in.) stroke, 19mm (0.748 in.) pitch

• Suitable design for A4 size: 288 mm (11.338 in.)(W) × 113 mm (4.448 in.) (D) × 8.5 mm (0.334 in.) (H)

• Supports Windows®95 keyboard function

• Excellent operation
—Unique “Gear link” method offers comfortable key touch feeling
—3.0 mm (0.118 in.) keystroke, 55 g (1.936 oz.) operating force, 20 g (0.704 oz.) tactile response
—Soft tactile feedback

• Various language versions (83-keys: USA, 84-keys: Europe, 87-keys: Japanese)

• High quality and reliability

• Laser printed keycaps meet environmental requirements

• Evaluation kit available

• RoHS comliant since October 2005 production (serial number 'UX00001" and thereafter)
First 2 digits of serial number consists of manufacturing year and month:
1st Digit: Manufacturing Year:
P=2000 / Q=2001 / R=2002 / S=2003 / T=2004 / U=2005 / V=2006 / W=2007 / X=2008 / Y=2009 / Z=2010
2nd Digit: Manufacturing Month:
1=January / 2=February / 3=March / 4=April / 5=May / 6=June / 7=July / 8=August / 9=September / X=October
Y=November / Z=December

n MAIN APPLICATIONS

• Notebook type personal computer

• Workstation

n CONSTRUCTION

• Keyboard unit (without enclosure and microcontroller)
Note: Microcontroller is available as an option.

1

FKB7401 SERIES

50

0 1 2

Stroke

3 (mm)

100

(gf)

Force

n SPECIFICATIONS

      Specication
Item

FKB7401-001 FKB7401-002~007 FKB7401-051

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 PART NUMBERS

PartsNumber NumberofKeys  KeyArrangement

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 OPERATING FORCE AND TRAVEL CHARACTERISTICS

2