Guangdong Uchi Electronics Co.,Ltd
Guangdong Uchi Electronics Co.,Ltd Manufactuer of Varistor, Thermistor, Capacitor,Fuse & Resistor since 2006 !
Add to Cart
Quick Detail:
• Fast trip times and resettable protection
• Overcurrent and over temperature protection
• Wide range of current (Ihold) and voltage (Vmax) offerings
• Low resistance
• RoHS compliant, lead-free, halogen-free
Applications:
• Medical Equipment
• Industrial Power and Transmission
• White Goods
• Telecommunications and Networking
• Computer and Peripherals
• Consumer and Automotive Electronics
• Battery and Rechargeable Devices
Specifications:
Product Dimensions in Millimeter
 |
| Part Number | A | B | C | D | E | F | Lead | |
| Max | Max | Typ. | Min | Max | Typ. | Style | Size(Φ) | |
| LT30-090 | 6.0 | 13.8 | 5.1 | 7.6 | 3.0 | 0.9 | 1 | 0.6 |
| LT 30-110 | 7.8 | 14.0 | 5.1 | 7.6 | 3.0 | 0.9 | 1 | 0.6 |
| LT 30-135 | 8.9 | 14.0 | 5.1 | 7.6 | 3.0 | 0.9 | 1 | 0.6 |
| LT 30-160 | 9.7 | 17.0 | 5.1 | 7.6 | 3.0 | 0.9 | 1 | 0.6 |
| LT 30-185 | 10.7 | 17.0 | 5.1 | 7.6 | 3.0 | 0.9 | 1 | 0.6 |
| LT 30-250 | 11.7 | 19.0 | 5.1 | 7.6 | 3.0 | 0.9 | 1 | 0.6 |
| LT 30-300 | 11.7 | 21.0 | 5.1 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
| LT 30-400 | 14.2 | 23.0 | 5.1 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
| LT 30-500 | 14.4 | 28.0 | 10.2 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
| LT 30-600 | 16.7 | 28.0 | 10.2 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
| LT 30-700 | 19.4 | 29.6 | 10.2 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
| LT 30-800 | 21.6 | 31.9 | 10.2 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
| LT 30-900 | 24.5 | 36.4 | 10.2 | 7.6 | 3.0 | 1.2 | 2 | 0.8 |
Electrical Characteristics at 25 ℃
| Part Number | IH | IT | Vmax | Imax | Ttrip | Pdtyp | Rmin | Rmax | |
| (A) | (A) | (V) | (A) | Current(A) | Time(s) | (W) | (Ω) | (Ω) | |
| LT 30-090 | 0.90 | 1.80 | 30 | 40 | 4.50 | 7.1 | 0.91 | 0.07 | 0.12 |
| LT 30-110 | 1.10 | 2.20 | 30 | 40 | 5.50 | 6.6 | 1.00 | 0.05 | 0.10 |
| LT 30-135 | 1.35 | 2.70 | 30 | 40 | 6.75 | 7.3 | 1.11 | 0.04 | 0.08 |
| LT 30-160 | 1.60 | 3.20 | 30 | 40 | 8.00 | 8.0 | 1.20 | 0.03 | 0.07 |
| LT 30-185 | 1.85 | 3.70 | 30 | 40 | 9.25 | 8.7 | 1.27 | 0.03 | 0.06 |
| LT 30-250 | 2.50 | 5.00 | 30 | 40 | 12.50 | 10.3 | 1.34 | 0.02 | 0.04 |
| LT 30-300 | 3.00 | 6.00 | 30 | 40 | 15.00 | 10.8 | 2.00 | 0.02 | 0.05 |
| LT 30-400 | 4.00 | 8.00 | 30 | 40 | 20.00 | 12.7 | 2.50 | 0.01 | 0.03 |
| LT 30-500 | 5.00 | 10.00 | 30 | 40 | 25.00 | 14.5 | 3.00 | 0.01 | 0.03 |
| LT 30-600 | 6.00 | 12.00 | 30 | 40 | 30.00 | 16.0 | 3.50 | 0.005 | 0.02 |
| LT 30-700 | 7.00 | 14.00 | 30 | 40 | 35.00 | 17.5 | 3.80 | 0.005 | 0.02 |
| LT 30-800 | 8.00 | 16.00 | 30 | 40 | 40.00 | 18.8 | 4.00 | 0.005 | 0.02 |
| LT 30-900 | 9.00 | 18.00 | 30 | 40 | 40.00 | 20.0* | 4.20 | 0.005 | 0.01 |
IH=Hold current: maximum current at which the device will not trip at 25℃ still air.
IT=Trip current: minimum current at which the device will always trip at 25℃ still air.
Vmax=Maximum voltage device can withstand without damage at rated current.
Imax=Maximum fault current device can withstand without damage at rated voltage.
Ttrip=Maximum time to trip(s) at assigned current.
Pdtyp=Typical power dissipation: typical amount of power dissipated by the device when in state air environment.
Rmin=Minimum device resistance at 25℃ prior to tripping.
Rmax=Maximum device resistance at 25℃ prior to tripping.
Thermal Derating [ Hold Current (A) at Ambient Temperature (℃)]
| Part Number | Maximum Ambient Operating Temperature (℃) | ||||||||
| -40 | -20 | 0 | 25 | 40 | 50 | 60 | 70 | 85 | |
| LT 30-090 | 1.40 | 1.25 | 1.10 | 0.90 | 0.75 | 0.69 | 0.65 | 0.60 | 0.50 |
| LT 30-110 | 1.75 | 1.52 | 1.33 | 1.10 | 0.99 | 0.90 | 0.80 | 0.73 | 0.63 |
| LT 30-135 | 2.15 | 1.94 | 1.70 | 1.35 | 1.20 | 1.14 | 1.00 | 0.90 | 0.81 |
| LT 30-160 | 2.49 | 2.21 | 1.94 | 1.60 | 1.42 | 1.31 | 1.19 | 1.03 | 0.88 |
| LT 30-185 | 2.87 | 2.59 | 2.28 | 1.85 | 1.63 | 1.52 | 1.33 | 1.21 | 1.05 |
| LT 30-250 | 3.82 | 3.44 | 3.03 | 2.50 | 2.17 | 2.00 | 1.81 | 1.59 | 1.39 |
| LT 30-300 | 4.55 | 4.10 | 3.60 | 3.00 | 2.65 | 2.51 | 2.24 | 2.01 | 1.74 |
| LT 30-400 | 6.00 | 5.40 | 4.74 | 4.00 | 3.47 | 3.28 | 2.82 | 2.63 | 2.26 |
| LT 30-500 | 7.44 | 6.68 | 5.80 | 5.00 | 4.30 | 4.03 | 3.58 | 3.22 | 2.77 |
| LT 30-600 | 8.90 | 7.99 | 7.08 | 6.00 | 5.13 | 4.82 | 4.27 | 3.84 | 3.30 |
| LT 30-700 | 10.35 | 9.30 | 8.21 | 7.00 | 5.95 | 5.58 | 4.96 | 4.46 | 3.84 |
| LT 30-800 | 11.60 | 10.60 | 9.35 | 8.00 | 6.79 | 6.36 | 5.64 | 5.07 | 4.36 |
| LT 30-900 | 13.25 | 11.90 | 10.49 | 9.00 | 7.53 | 7.12 | 6.32 | 5.69 | 4.88 |
Reliability Test
| Test | Test Conditions | Accept/Reject Criteria |
| Resistance | In still air @ 25℃ | Rmin≤R≤Rmax |
| Time to Trip | Specified current, Vmax, 25℃ | T≤maximum Time to Trip |
| Hold Current | 30min, at IH | No trip |
| Trip Cycle Life | Vmax, Imax, 100cycles | No arcing or burning |
| Trip Endurance | Vmax, 24hours | No arcing or burning |
Typical Time-to-Trip Curves at 25 ℃
A = LT 30-090
B = LT 30-110
C = LT 30-135
D = LT 30-160
E = LT 30-185
F = LT 30-250
G = LT 30-300
H = LT 30-400
I = LT 30-500
J = LT 30-600
K = LT 30-700
L = LT 30-800
M = LT30-900
Package Information
Bulk:
LT 30-090 ~ LT 30-185…………………………….1000 pcs per bag
LT 30-250 ~ LT 30-800……………………………. .500 pcs per bag
LT 30-400……………………………………………1000 pcs per bag
LT 30-900…………………………………………….200 pcs per bag
Tape & Reel:
LT 30-090 ~ LT 30-250…………………………….3000 pcs per reel
LT 30-300……………………………………………2500 pcs per reel
LT 30-400 ~ LT 30-500…………………………….1500 pcs per reel
Competitive Advantage:
