Panasonic Circuit Protector Elements UNHZ203 Specification Sheet

Circuit Protector Elements
UNHZ203
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
Parameter
Operating ambient temperature
Storage temperature
■ Electrical Characteristics T
Parameter
Rated voltage
Rated current
Internal Resistance
*
Cutoff current
Note) * : Measurement condition of cutoff current shall be at T
Tolerance of cutoff current shall be ± 20%
■ 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.
Publication date: November 2006
This product complies with the RoHS Directive (EU 2002/95/EC).
= 25°C
a
Symbol Rating
−55 to +125
T
opr
−55 to +125
T
stg
= 25°C ± 3°C
a
Min Typ Max
50
1.2
35 46
2.4
a
SQB00036BED
Unit
°C
°C
Marking Symbol: H3
Unit
V
Lead Connection
A
57 mΩ
A
= 25°C, t = 1 s
1.25 0.7
±0.1
0.35 ±0.1
1
0 to 0.1
2
+0.1
0.16
0.5 ±0.1
–0.06
5˚
SMini2-F1 Package
1
2
Unit: mm
±0.1
1