PFST Polymeric PTC Resettable Fuse - Strap
Typical Time to Trip at 23˚C
•
Fully compatible with current
industry standards
NEW
•
•
•
Weldable nickel terminals
Very low internal resistance
Applications: Rechargable Battery Pack
Protection
10
1
ST350
Approvals*:
UL
recognition, file #E172175
(1.2A - 1.75A/15V; 2A - 3.5A/30V)
0.1
CSA
TÜV
acceptance, file #CA702083
(1.2A - 1.75A/15V; 2A - 4.2A/30V)
0.01
certification, file #R9872200
* rated amps at hold current I
hold
0.001
1
10
100
Fault Current (Amps)
Typical Part Marking
Standard Package
"S" Package
SLIT
0.5 X 4.0
NOMINAL
Represents total content. Layout may vary.
A
A
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
F
F
B
B
ST120
D
E
D
E
C
C
Technical Data
Operating/Storage Temperature
Maximum Device Surface Temperature
in Tripped State
-40°C to +85°C
125°C
Passive Aging
+85°C, 1000 hours
±5% typical resistance change
Humidity Aging
Thermal Shock
Vibration
+85°C, 85% R.H. 1000 hours
+125°C/-40°C 10 times
MIL-STD-883C, Method 2007.1,
Condition A
±5% typical resistance change
±10% typical resistance change
No change
Test Procedures And Requirements
Test Conditions
Verify dimensions and materials
In still air @ 23°C
Test
Accept/Reject Criteria
Per PF physical description
Rmin ≤ R ≤ Rma
Visual/Mech.
Resistance
Time to Trip
Hold Current
Trip Cycle Life
Trip Endurance
At specified current, max. 23°C
30 min. at Ihold
T ≤ max. time to trip (seconds)
No trip
Vmax, Imax, 100 cycles
Vmax, 48 hours
No arcing or burning
No arcing or burning
Product Dimensions
A
B
C
D
F
Material
Model
Min.
19.9
19.9
21.3
20.9
20.9
21.3
28.4
30.6
Max.
22.1
22.1
23.4
23.1
23.1
23.4
31.8
32.4
Min.
4.9
4.9
10.2
4.9
4.9
10.2
13.0
12.9
Max.
5.2
5.2
11.0
5.2
5.2
11.0
13.5
13.6
Min.
0.6
0.6
0.5
0.6
0.6
0.5
0.5
0.5
Max.
1.0
1.0
1.1
1.0
1.0
1.1
1.1
1.1
Min.
5.5
5.5
4.1
4.1
4.1
5.0
6.3
5.0
Max.
7.5
7.5
5.5
5.5
5.5
7.6
8.9
7.5
Min.
3.9
3.9
4.8
3.9
3.9
4.8
6.0
6.0
Max.
4.1
4.1
5.4
4.1
4.1
5.4
6.6
6.7
PFST.120
PFST.120S
PFST.150
PFST.175
PFST.175S
PFST.200
PFST.350
PFST.420
Nickel
Nickel
Nickel
Nickel
Nickel
Nickel
Nickel
Nickel
DIMENSIONS = MM
Schurter, Inc. Phone 707-778-6311 • Fax 707- 778-6401 • E-mail info@schurterinc.com • Website http://www.schurterinc.com
119
•
ETC [ ETC ]
