Document
Overcurrent Protection Leaded Disks, Coated, 42 V Power Net
Applications
I Overcurrent protection for 42 V power net
B599*3 C 943 … C 983
b
3,5 max.
I Lead-free terminals I Manufacturer’s logo and type designation
Options
I Leadless disks and leaded disks without
coating available on request I Thermistors with diameter b ≤ 11,0 mm are also available on tape (to IEC 60286-2) Delivery mode
I Cardboard strips (standard) I Cardboard tape reeled or in AMMO pack on request
5
35 min.
stamped on in white
h
Features
ød
TPT0647-V
Dimensions (mm) Type C 943 C 953 C 963 C 973 C 983 bmax 17,5 13,5 11,0 9,0 6,5
∅d 0,6 0,6 0,6 0,6 0,6
hmax 21,0 17,0 14,5 12,5 10,0
General technical data Max. operating voltage (TA = 125 °C) Max. operating voltage (t ≤ 400 ms) Rated voltage Switching cycles (typ.) Reference temperature (typ.) Resistance tolerance Operating temperature range (V = 0) (V = Vmax) Vmax1) Vmax,dyn2) VN N TRef ∆R N Top Top 54 58 42 100 120 ± 20 % – 40/+ 125 – 40/+ 125 VDC V VDC
°C °C °C
Electrical specifications and ordering codes Type IN mA 750 430 320 230 140 IS mA 1300 770 560 410 240 ISmax (V=V max) A 8,0 6,0 5,0 4,0 2,0 Ir (typ.) RN (V=V max) Ω mA 50 1,0 40 1,8 30 2,7 20 4,2 15 10,0 R min Ordering code
C 943 C 953 C 963 C 973 C 983
Ω 0,7 1,2 1,8 2,9 6,8
B59943C0120A070 B59953C0120A070 B59963C0120A070 B59973C0120A070 B59983C0120A070
1) To ISO/TC22 WD24V-1E 2) Peak value of maximum DC operating voltage, incl. ripple
59
10/02
Overcurrent Protection Leaded Disks, Coated, 42 V Power Net
B599*3 C 943 … C 983
Characteristics (typical) PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage)
10 6 R PTC
TPT0781-G
PTC current IPTC versus PTC voltage VPTC (measured at 25 °C in still air)
10 4 mA
TPT0782-P
Ω
B59943C0120A070 B59953C0120A070 B59963C0120A070 B59973C0120A070 B59983C0120A070
I PTC
10 4 10
3
B59943C0120A070 B59953C0120A070 B59963C0120A070 B59973C0120A070 B59983C0120A070
10 3
10 2 10 1 10 0
1 10 _ 50
10 2
_
0
50
100
150
200 ˚C 250 TPTC
10 1 0,1
1
10
V 100 V PTC
Switching time tS versus switching current IS (measured at 25 °C in still air)
10 3 tS s
TPT0783-X
Rated current IN versus ambient temperature TA (measured in still air)
Ι N ,TA
2,0
TPT0784-6
Ι N, 25 ˚C
1,6
10 2 B59943C0120A070 B59953C0120A070 B59963C0120A070 B59973C0120A070 B59983C0120A070 1,4 1,2 1,0 0,8 0,6 10 0 0,4 0,2 10
_1
10
1
0
2,5
5
7,5
10
A 12,5 IS
0 _
20
0
20
40
60
80 100
˚C 140 TA
60
10/02
Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND ++49 89 636 09, FAX (0 89) 636-2 26 89
(
EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet.
Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre erse.