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Over Voltage, Current, Temperature Devices
- When a circuit must be protected from overvoltage and there are failure modes in the power supply that can produce such overvoltages, the circuit may be protected by a device commonly called a crowbar circuit. When this device detects an overvoltage it causes a short circuit between the power supply and its return. This will cause both an immediate drop in voltage (protecting the device) and an instantaneous high current which is expected to open a current sensitive device (such as a fuse or circuit breaker). This device is called a crowbar as it is likened to dropping an actual crowbar across a set of bus bars (exposed electrical conductors).
Category Part Number
NUF6107MNTBG
Vendor: ON Semiconductor
Category: Over Voltage, Current, Temperature Devices
IC EMI FILTER 4LINE ESD 12-DFN
39214000440
Vendor: Littelfuse / Wickmann(R) Brand
Category: Over Voltage, Current, Temperature Devices
FUSE TIME-LAG 4.00A UL SHORT TE5
169.6885.5302
Vendor: Littelfuse / Wickmann Brand
Category: Over Voltage, Current, Temperature Devices
FUSE BLADE T-LAG 30A 32V LGN FK3
F1206B0R25FWTR
Vendor: AVX Corporation
Category: Over Voltage, Current, Temperature Devices
FUSE 0.25A 63V FAST THIN 1206
MF72-012D9
Vendor: Cantherm
Category: Over Voltage, Current, Temperature Devices
CURRENT LIMITER INRUSH 12OHM 20%
2035-40-B
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE MINI 2 POLE
7100.1019.13
Vendor: Schurter Inc
Category: Over Voltage, Current, Temperature Devices
FUSE 2.5A 250V T-LAG 3.5MM PCB
PFMF.050.2
Vendor: Schurter Inc
Category: Over Voltage, Current, Temperature Devices
PTC-FUSE SMD (1812)
38508000000
Vendor: Littelfuse / Wickmann(R) Brand
Category: Over Voltage, Current, Temperature Devices
FUSE TIP TELECOM 800MA 125V AMMO
7100.1112.13
Vendor: Schurter Inc
Category: Over Voltage, Current, Temperature Devices
FUSE 500MA 250V T-LAG 19MM PCB
TR/0603FA250-R
Vendor: Cooper/Bussmann (VA)
Category: Over Voltage, Current, Temperature Devices
FUSE 250MA 50V FAST SMD 0603
CL-170
Vendor: GE Sensing
Category: Over Voltage, Current, Temperature Devices
CURRENT LIMITER INRUSH
3402.0003.11
Vendor: Schurter Inc
Category: Over Voltage, Current, Temperature Devices
FUSE 63MA 63V FAST-ACT SMD
SMTY12A
Vendor: STMicroelectronics (VA)
Category: Over Voltage, Current, Temperature Devices
TVS TRANSKY 600W 12V SMA
VC121030G620DP
Vendor: AVX Corporation
Category: Over Voltage, Current, Temperature Devices
VARISTOR TVS 30VDC 220A 1210
2035-35-BT1
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE MINI 2 POLE
CN2220S14BAUTOG
Vendor: EPCOS Inc (VA)
Category: Over Voltage, Current, Temperature Devices
VARISTOR 14V RMS 2220 SMD
2026-23-A
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE 3 POLE
0034.5224
Vendor: Schurter Inc
Category: Over Voltage, Current, Temperature Devices
FUSE 800MA 250V 6.3X32 TLAG GLSS
PFRA.700
Vendor: Schurter Inc
Category: Over Voltage, Current, Temperature Devices
FUSE PTC 7.00A 30V RESET RADIAL
VC080505A150RP
Vendor: AVX Corporation
Category: Over Voltage, Current, Temperature Devices
TVS CERAMIC 5.6V 0805 SMD
2035-20-C
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE MINI 2 POLE
YPCL0120N
Vendor: GE Sensing
Category: Over Voltage, Current, Temperature Devices
THERMISTOR PTC OCP 120 OHM 25C
S05K300
Vendor: EPCOS Inc
Category: Over Voltage, Current, Temperature Devices
VARISTOR 300VRMS 5MM RADIAL
2026-47-CB
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE 3 POLE
F0805B2R50FSTR
Vendor: AVX Corporation
Category: Over Voltage, Current, Temperature Devices
FUSE 2.50A 63V FAST THIN 0805
MF-RX110
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
FUSE PTC RESETTABLE 1.10A HOLD
23111600029
Vendor: Littelfuse / Wickmann Brand
Category: Over Voltage, Current, Temperature Devices
FUSE FAST-ACT 1.6A 500V 6.3X32MM
YPCL0120T
Vendor: GE Sensing
Category: Over Voltage, Current, Temperature Devices
THERMISTOR PTC OCP 120 OHM 25C
2026-35-CB
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE 3 POLE
168.6785.5252
Vendor: Littelfuse / Wickmann(R) Brand
Category: Over Voltage, Current, Temperature Devices
FUSE BLADE FAST 25A 32V WHT FK1
VC060309A200DP
Vendor: AVX Corporation
Category: Over Voltage, Current, Temperature Devices
VARISTOR TVS 9.0VDC 30A 0603
S10K17E2
Vendor: EPCOS Inc
Category: Over Voltage, Current, Temperature Devices
VARISTOR 17V RMS 10MM RADIAL
CL-30
Vendor: GE Sensing
Category: Over Voltage, Current, Temperature Devices
CURRENT LIMITER INRUSH
2036-42-SM
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE MINI 3 POLE
MF-R700
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
FUSE PTC RESETTABLE 7A HOLD
MF72-001.5D15
Vendor: Cantherm
Category: Over Voltage, Current, Temperature Devices
CURRENT LIMITER INRSH 1.5OHM 20%
0ZRM0020FF2C
Vendor: Bel Fuse Inc
Category: Over Voltage, Current, Temperature Devices
PTC RESET 0.20A 120VAC/VDC RAD
F1206B0R25FSTR
Vendor: AVX Corporation
Category: Over Voltage, Current, Temperature Devices
FUSE 0.25A 63V FAST THIN 1206
2035-20-SM-RP
Vendor: Bourns Inc.
Category: Over Voltage, Current, Temperature Devices
GAS DISCHARGE TUBE MINI 2 POLE
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