Panasonic UNHZ204 User Manual

This product complies with the RoHS Directive (EU 2002/95/EC).

Circuit Protector Elements

1

Publication date: November 2006

SQB00037BED

Circuit Protector Elements

For overcurrent protection

■ Features

• Sharp cutoff characteristics and low voltage drop
• Flame retardant package and low heat generation, high density

mounting is possible.

■ Absolute Maximum Ratings  T

a

 

= 25°C

Parameter

Symbol

Rating

Unit

Operating ambient temperature

T

opr

−55 to +125

°C

Storage temperature

T

stg

−55 to +125

°C

■ Usage Notes

• Package shall be overheated and dangerous for overcurrent.
• This device should be used only to the secondary circuit.

Package will be damaged for added overpower.

• This device is not electrical fuse legally. Please draw a clear line between electrical fuse from this device.

Parameter

Min

Typ

Max

Unit

Rated voltage

50

V

Rated current

1.5

A

Internal Resistance

27

35

43

m

Ω

Cutoff current 

*

3.0

A

■ Electrical Characteristics  T

a

 

= 25°C ± 3°C

Note) *: Measurement condition of cutoff current shall be at T

a

 

= 25°C, t = 1 s

Tolerance of cutoff current shall be 

± 20%

Marking Symbol: H4

Unit: mm

SMini2-F1 Package

5˚

5˚

1.25

±0.1

0.7

±0.1

2.5

±

0.2

1.7

±

0.1

0.4

±

0.1

0 to 0.1

(0.15)

0.16

0.5

±0.1

1

2

+0.1

–0.06

0.35

±0.1

0 to 0.1

2

1

Lead Connection