STD120 Datasheet, PDF (1/2 Pages) Littelfuse – This axial leaded strap product is designed to provide reliable, non-cycling protection for rechanrgeable batteries

POLYFUSE^® RESETTABLE FUSES
STD
Dimensions (mm)
Strap Type, 15 V / 24 V
Standard
UL 1434 1^st Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
Approvals
cULus Recognition
TÜV
Features
This axial leaded strap product is designed to
provide reliable, non-cycling protection for re-
chargeable batteries. The weldable nickel leads
with a narrow, low profile design are ideal to be
installed directly onto battery cells.
Specifications
Packaging
A small pack
D standard
Materials
Insulating material: Polyester Tape
Terminals:
Nickel
Max. Device Surface Temperature in Tripped State
125 °C
Operating / Storage Temperature
-40 ºC to +85 ºC (consider derating)
Humidity Ageing
+85 °C, 85 % R.H., 7 days, ± 5 % typical resistance change
Vibration
MIL-STD-883C, Condition A, no change
Marking
“P”, Part Code, identification, lot number
S: one slot
Dimensions (mm)
Model
Fig
STD120
1
STD120S
2
STD175
1
STD175S
2
STD200
1
STD350
1
STD420
1
A
Min Max
19.9 22.1
19.9 22.1
20.9 23.1
20.9 23.1
23.3 23.4
28.4 31.8
30.6 32.4
B
Min Max
4.9 5.2
4.9 5.2
4.9 5.2
4.9 5.2
10.2 11.0
13.0 13.5
12.9 13.6
C
Min Max
0.6 1.0
0.6 1.0
0.6 1.0
0.6 1.0
0.5 1.1
0.5 1.1
0.5 1.1
D
E
Min Min Max
5.5
3.9 4.1
5.5
3.9 4.1
4.1
3.9 4.1
4.1
3.8 4.2
5.0
4.8 5.4
6.3
6.0 6.6
5.0
5.0 6.7
packaging quantity
small pack standard
500
10,000
500
10,000
500
10,000
500
10,000
500
10,000
500
5,000
500
5,000
Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF).
Model
I_hold
I_Trip
V_{max. dc}
I_max.
max. time to trip
P_{d max.}
(A)
(A)
(V)
(A)
(s @ A)
(W)
STD120
1.20A
2.7
STD120S
1.20A
2.7
STD175
1.75A
3.8
STD175S
1.75A
3.8
STD200
2.00A
4.4
STD350
3.50A
6.3
STD420
4.20A
7.6
15V
100
5.00 @ 6.00
1.20
15V
100
5.00 @ 6.00
1.20
15V
100
5.00 @ 8.75
1.50
15V
100
5.00 @ 8.75
1.50
24V
100
4.00 @ 10.00
1.90
24V
100
3.00 @ 20.00
2.50
24V
100
6.00 @ 20.00
2.90
Resistance
R ( _min. )
R ( _max. )
Approvals
R_I ( _max. )
0.085
0.085
0.050
0.050
0.030
0.017
0.012
0.160
0.160
0.090
0.090
0.060
0.031
0.024
0.220 • •
0.220 • •
0.120 • •
0.120 • •
0.100 • •
0.050 • •
0.040 • •
NOTE:
I _hold =
I _trip =
V_max =
I _max =
Hold current: maximum current device will pass without tripping in 20 °C still air.
Trip current: minimum current at which the device will trip in 20 °C still air.
Maximum voltage device can withstand without damage at rated current (I _max)
Maximum fault current device can withstand without damage at rated voltage (V_max)
Order
Information
Qty.
Order-
Model
Number
P_d =
Power dissipated from device when in the tripped state at 20 °C still air.
R _min= Minimum resistance of device in initial (un-soldered) state.
R = _1max Maximum resistance of device at 20 °C measured one hour after tripping for 20 s.
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
Specifications are subject to change without notice
Packaging
041006
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
www.littelfuse.com