Type RST
Time Lag Radial Lead Micro Fuse Series
RST Series
RoHS Compliant
Description
Sub-miniature, time lag type, 250V rated fuses designed, approved and complied with
IEC 60127-3, standard sheet 4.
Features
- Time lag (250V AC)
- Meet IEC standard 60127-3, sheet 4
- Wide operating temperature range
- Bulk and Tape & Reel packing available
- Full compliance with EU Directive 2011/65/EU and amending directive 2015/863
- Halogen Free
- Lead Free
Applications
Provide individual protection for components or internal circuits.
- Power supplies
- Battery chargers
- Consumer electronics
- Adapter
LEAD FREE =
- Industrial controllers
HALOGEN FREE =
Physical Specifications
Materials
Base and Cover : Black thermoplastic, UL 94-V0
Pins : 100% Matte Tin Plated Copper
On Fuse :
"bel", "T" ,"Current Rating", "250V" & "Appropriate Safety Logos"
Marking
On Label :
"bel", "RST", "T", "Current Rating", "Voltage Rating", "Interrupting Rating",
"Appropriate Safety Logos" and "
", "
"(China RoHS compliant).
Electrical Characteristics (IEC-127-3 STANDARD SHEET 4) Safety Agency Approvals
Rated
Current
1.5In 2.1In
Min
Max
2.75In
Min
Max
4In
Min
Max
10In
Min
Max
80mA to
1
2
400 10 150
3
20
150
6.3A
hour min. ms sec ms sec ms
ms
inclusive
In clause 9.2, the test voltage for RST ratings from 80mA
to 6.3A is 63VDC.
Safety
Agency
Ampere Rating/
Voltage Rating
Safety Agency
Certificate
1808557
40011144
40028321
80mA-6.3A/
E20624
Ampere Range / Volt
@ I.R. ability*
80mA-5A/250V AC @ 35A
or 10 In whichever is greater.
80mA-6.3A/250V AC @ 35A
or 10 In whichever is greater.
80mA-6.3A/277V AC @ 100A
250V AC
JET 1037-31007-1001
1A-5A 250V AC @ 100A
Self-declaration No:
2020970207000126
80mA-6.3A/250V AC @ 35A
or 10 In whichever is greater.
*I.R.= Interrupting Rating = Short Circuit Rating(Amps)
Specifications subject to change without notice
belfuse.com/circuit-protection
Type RST
2/4
Environmental Specifications
Shock Resistance
MIL-STD-202G, Method 213B, Test Condition 1
(100 G's peak for 6 milliseconds; Sawtooth waveform)
Vibration Resistance
MIL-STD-202G, Method 201A (10-55 Hz X 3 axis / no load).
Salt Spray Resistance
MIL-STD-202G, Method 101E, Test Condition B (48 hrs.).
Solderability
MIL-STD-202G, Method 208H
Resistance to solder Heat
MIL-STD-202G, Method 210F, Test Condition C. Top Side. (260℃,20 sec)
Moisture Resistance
MIL-STD-202G, Method 202G, Method 106G
Operating Temperature
-55℃ to +125℃
Electrical Specifications
Melting I²T
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