Document Number: 29081 For technical questions, contact: nlr@vishay.com www.vishay.com
Revision: 07-Jun-10 19
VDRS........E/2381 59. .....
VDR Metal Oxide Varistors Standard Vishay BCcomponents
Notes
(1) The products are certified according to (c)UL (E332800), VDE (40002622) and CSA (219883)
(2) The sinusoidal voltage is assumed as the normal operating condition. If a non-sinusoidal voltage is present, type selection should be based
on multiplying the peak voltage by a factor of 0.707.
(3) The voltage measured at 1 mA meets the requirements of IEC 61051.
The tolerance on the voltage at 1 mA is ± 10 %.
(4) High energy surges are generally of longer duration. The maximum energy for one pulse of 10 x 1000 µs is given as a reference for longer
duration pulses. This pulse can be characterised by peak current (Ip) and pulse width t2 (virtual time of half Ip value, following IEC 60060-2,
section 6 ). If Vp is the clamping voltage corresponding to Ip, the energy absorbed in the varistor is determined by the formula:
where:
a) K is dependent on the value of t2 when the value of t1 is between 8 µs and 10 µs; see Peak Current as a Function of Pulse Width drawing.
(5) A current wave of 8 x 20 µs is used as a standard for pulse current and clamping voltage ratings. The maximum non-repetitive transient current
is given for one pulse applied during the life of the component.
(6) For composition of the 12NC part number replace “x” and “y” by figures from the sections “Varistors in Bulk”, “Varistors on Tape in Ammopack”
and “Varistors on Tape on Reel”.
(7) For composition of the SAP part number:
Replace “x” by B for bulk type Replace “y” by S for straight leads
T for tape and reel F for straight leads with flange (bulk only)
A for tape and ammopack G for straight leads with flange and H0 = 16 mm (tape and reel/ammo)
H for straight leads with flange and H0 = 18.25 mm (tape and reel/ammo)
K for kinked leads (bulk only)
L for kinked leads with H0 = 16 mm (tape and reel/ammo)
M for kinked leads with H0 = 18.25 mm (tape and reel/ammo)
(8) All varistors are recognized under VZAC2 surge protective devices, components type 4 as specified in UL 1449 edition 3. The parts with
indication type 2 or 3 SPD's, are tested and certified to be used in type 2 or 3 SPD applications. The final acceptance of the component is
dependent upon its installation and use in complete equipment submitted to underwriters laboratories Inc.
385 505 620
1000 5.0 18.0 400 40 6.0 3.0 ± 0.8 4 VDRS05C385xyE 592 x381y
1025 10.0 51.0 1200 95 6.0 3.0 ± 0.8 4 VDRS07H385xyE 593 x381y
1025 25.0 67.0 2500 180 6.6 3.2 ± 0.8 4 VDRS10P385xyE 594 x381y
1025 50.0 110.0 4500 280 6.6 3.2 ± 0.8 3 VDRS14T385xyE 595 x381y
1025 100.0 328.0 6500 570 7.7 3.5 ± 0.8 2 VDRS20W385ByE 596 x381y
420 560 680
1100 5.0 20.0 400 35 6.1 3.2 ± 0.8 4 VDRS05C420xyE 592 x421y
1120 10.0 56.0 1200 85 6.1 3.2 ± 0.8 4 VDRS07H420xyE 593 x421y
1120 25.0 73.0 2500 165 6.6 3.4 ± 0.8 4 VDRS10P420xyE 594 x421y
1120 50.0 120.0 4500 250 6.6 3.4 ± 0.8 3 VDRS14T420xyE 595 x421y
1120 100.0 344.0 6500 510 8.1 3.7 ± 0.8 2 VDRS20W420ByE 596 x421y
460 615 750
1200 5.0 21.0 400 30 6.4 3.6 ± 0.8 4 VDRS05C460xyE 592 x461y
1240 10.0 63.0 1200 75 6.4 3.6 ± 0.8 4 VDRS07H460xyE 593 x461y
1240 25.0 82.0 2500 150 6.8 3.8 ± 0.8 4 VDRS10P460xyE 594 x461y
1240 50.0 135.0 4500 225 6.8 3.8 ± 0.8 3 VDRS14T460xyE 595 x461y
1240 100.0 360.0 6500 460 8.5 4.1 ± 0.8 2 VDRS20W460ByE 596 x461y
510 670 820
1355 25.0 89.0 2500 135 7.2 4.1 ± 0.8 4 VDRS10P510xyE 594 x511y
1355 50.0 145.0 4500 220 7.2 4.1 ± 0.8 3 VDRS14T510xyE 595 x511y
1355 100.0 376.0 6500 450 8.9 4.4 ± 0.8 2 VDRS20W510ByE 596 x511y
550 745 910
1500 25.0 98.0 2500 120 7.9 4.5 ± 0.8 4 VDRS10P550xyE 594 x551y
1500 50.0 160.0 4500 180 7.9 4.5 ± 0.8 3 VDRS14T550xyE 595 x551y
1500 100.0 408.0 6500 370 9.5 4.9 ± 0.8 2 VDRS20W550ByE 596 x551y
625 825 1000 1650 100.0 448.0 6500 320 10.1 5.3 ± 0.8 2 VDRS20W625ByE 596 x621y
680 895 1100 1815 100.0 496.0 6500 270 10.6 5.8 ± 0.8 2 VDRS20W680ByE 596 x681y
ELECTRICAL DATA AND ORDERING INFORMATION
MAXIMUM
CONTINUOUS
VOLTAGE
VOLTAGE
(3)
at 1 mA
MAXIMUM
VOLTAGE
at STATED
CURRENT
MAXIMUM
ENERGY
(4)
(10 x
1000 µs)
MAXIMUM
NON-REP.
TRANSIENT
CURRENT
(5)
I
NRP
(8 x 20 µs)
TYPICAL
CAP.
at 1 kHz
T
(max.) EUL 1449
ED3
SPD
TYPE
(8)
CATALOG
NUMBERS
(1)
RMS
(2)
(V)
DC
(V) (V) V
(V)
I
(A) (J) (A) (pF) (mm) (mm) SAP
(7)
12NC
(6)
2381-
EK x V
p x Ip x t2
=