B72220S1250K102 EPCOS Inc, B72220S1250K102 Datasheet - Page 6

• Manufacturer Part Number: B72220S1250K102
• Description: Varistors Varistor S20K25AUTO
• Manufacturer: EPCOS Inc

Specifications of B72220S1250K102

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Reliability data
Test
Varistor voltage
Clamping voltage
Max. DC operating voltage
Load dump
Jump start
Fast temperature cycling
Damp heat, steady state
Note:
UCT = Upper category temperature
LCT = Lower category temperature
Please read Cautions and warnings and
Important notes at the end of this document.
Leaded varistors
Automotive series
Test methods/conditions
The voltage between two terminals with
the specified measuring current applied
is called V
The maximum voltage between two
terminals with the specified standard
impulse current (8/20 µs) applied.
MIL STD 202F, method 108A, UCT,
V
ISO 7637-1, test pulse 5 (“load dump”)
(DIN 40 839 Part 1; impulse 5)
10 × 12 J
10 mm varistors (S10K…AUTO…):
10 × 25 J
14 mm varistors (S14K…AUTO…):
10 × 50 J
20 mm varistors (S20K…AUTO…):
10 × 100 J
(minimum 40 ms time of energy input,
60 s interval)
V
14 V (S…K14AUTO…); V
17 V (S…K17AUTO…); V
25 V (S…K25AUTO…); V
30 V (S…K30AUTO…); V
IEC 60068-2-14, test Na, LCT/UCT,
dwell time 15 min, 100 cycles
for SIOV…AUTO types and dwell time
15 min, 1000 cycles for
SIOV…AUTOD1 types
IEC 60068-2-67, test Cy, 85% r. H.,
V
7 mm varistors (S07K…AUTO…):
DC
DC, load
DC
, 1000 h
, 1000 h
= V
v
(1 mA
jump
; 5 min duration
DC
6
@ 0.2 … 2 s).
11/07
jump
jump
jump
jump
= 25 V
= 30 V
= 40 V
= 45 V
Requirement
To meet the specified value.
To meet the specified value.
|
No visible damage
∆V/V (1 mA) ≤15%
No visible damage
∆V/V (1 mA) ≤15%
No visible damage
|
No visible damage
|
No visible damage
∆V/V (1 mA)
∆V/V (1 mA)
∆V/V (1 mA)
|
|
|
≤10%
≤5%
≤10%