# TPD Series High Current Thermal Fuse

## Operation Characteristics
· Fusing Temperature: 235°C ± 15°C
· Rated Current: 55A at 135°C
· Operating Temperature: -40°C to 135°C
· Max Operating Temperature (0A): 175°C
· Resistance at 25°C: ≤ 0.700mW
· Lead Diameter: 1.3mm (0.050”)
· Lead Spacing: 15.2mm (0.600”)
· One-Shot Non-Resettable Design
· RoHS Compliant
· High Temperature DAP Case
· Rugged Vibration Resistant Potted Construction

## Environmental Performance (Testing to MIL-STD-202G standards)
· High Temperature Exposure: 500hrs at 150°C (20% ∆R & ≤ 0.700mW, Fuse Open ≤ 250°C)
· Thermal Shock: 300 Cycles -55°C to +165°C (Fuse Open ≤ 250°C)
· Heavy Load: 60A at 135°C for 24hrs (Fuse Open ≤ 250°C)
· Moisture/Humidity: Compliant

· Solderability: >95% Coverage
· Vibration: 20% ∆R & ≤ 0.700mW
· Mechanical Shock: 50G for 6ms (20% ∆R & ≤ 0.700mW)
· Terminal Strength: 20% ∆R & ≤ 0.700mW

## Physical Data
· Dimensional Tolerances: ± 0.010” (0.25mm)
· Date Code: “YYWW” (Year/Week)
· Ordering Prefix: TPD - 235C - 55A

## Process Recommendations
· Wave Solder: 10s max contact time, 260°C max, two cycles max
· Hand Solder: 350°C max tip temperature, 5s max contact time, cooling between terminals permitted.

## General Note
· TT Electronics reserves the right to change product specifications.
· Product is Pb-free and complies with EU Directive 2011/65/EU (RoHS2).
· "Open" is defined as resistance ≥ 100kΩ