B72210S250K101 EPCOS Inc, B72210S250K101 Datasheet - Page 20

• Manufacturer Part Number: B72210S250K101
• Description: Varistor, Circuit Protection; 25Vrms; 77V; 500A; Metal Oxide; 3200pF; Wire; 0.05W; 25ns
• Manufacturer: EPCOS Inc
• Type: MOVr

Specifications of B72210S250K101

• Technology: Metal Oxide
• Capacitance Value: 3200pF
• Clamping Current: 5A
• Clamping Voltage: 77V
• Lead Style: Radial
• Ac Voltage Rating (max): 25VAC
• Dc Voltage Rating (max): 31VDC
• Operating Temp Range: -40C to 85C
• Mounting: Through Hole
• Surge Current (max): 500A
• Lead Spacing: 7.5mm
• Product Depth (mm): 4.2mm
• Product Height (mm): 14.5mm
• Product Diameter (mm): 12mm
• Energy: 3.7Joule
• Varistor Voltage: 39V
• Brand/series: Standard Series
• Capacitance: 3200 pF
• Current, Peak: 500 A
• Dimensions: 12.0 mm (Max.) Dia. x 4.2 mm (Max.) W x 14.5 mm (Max.) H
• Electric Strength: 2.5 kV (RMS) (Min.)
• Energy Rating: 3.7 Joules
• Mounting Style: Leaded
• Package: Leads
• Power Rating: 0.05 W (Max.) @ +85 °C
• Resistance, Insulation: 10 Megohms (Min.)
• Temperature, Operating, Maximum: 85 °C
• Temperature, Operating, Minimum: -40 °C
• Terminal Type: Tinned Copper
• Time, Response: 25 ns (Max.)
• Voltage, Ac: 25 VAC
• Voltage, Clamping: 77 V
• Voltage, Dc: 31 VDC
• Voltage, Operating: 25 Vrms @ +85 °C, 31 VDC @ +85 °C
• Voltage, Varistor: 39
• Lead Free Status / RoHS Status: Compliant

Reliability data
Test
Resistance to soldering heat IEC 60068-2-20, test Tb, method 1A,
Tensile strength
Vibration
Bump
Flammability
Note:
UCT = Upper category temperature / LCT = Lower category temperature / R
Please read Cautions and warnings and
Important notes at the end of this document.
Leaded varistors
StandarD series
Test methods/conditions
260 °C, 10 s:
Each lead shall be dipped into a solder
bath having a temperature of 260 ±5 °C
to a point 2.0 to 2.5 mm from the body of
the specimen, be held there for 10 ±1 s
and then be stored at room temperature
and normal humidity for 1 to 2 h.
The change of V
and the specimen shall be visually
examined.
IEC 60068-2-21, test Ua1
After gradually applying the force
specified below and keeping the unit
fixed for 10 s, the terminal shall be
visually examined for any damage.
Force for wire diameter:
0.6 mm = 10 N
0.8 mm = 10 N
1.0 mm = 20 N
IEC 60068-2, test Fc
Frequency range: 10 … 55 Hz
Amplitude:
Duration:
Pulse:
After repeatedly applying a single
harmonic vibration according to the
table above.
The change of V
and the specimen shall be visually
examined.
IEC 60068-2-29, test Eb
Pulse duration:
Max. acceleration: 400 m/s
Number of bumps: 4000
Pulse:
IEC 60695-2-2 (needle flame test)
Severity: vertical 10 s
v
v
shall be measured
shall be measured
20
0.75 mm or 98 m/s
6 h (3 · 2 h)
sine wave
half sine
6 ms
11/07
2
ins
= Insulation resistance to CECC 42 000, test 4.8
2
Requirement
|
No visible damage
|
No break of solder joint,
no wire break
|
No visible damage
|
No visible damage
5 s max.
∆V/V (1 mA)
∆V/V (1 mA)
∆V/V (1 mA)
∆V/V (1 mA)
|
|
|
|
≤5%
≤5%
≤5%
≤5%