WSMHP Series
Make Possible
Surface Mount High Power Resistors
Resistors
05.15
General Note
TT Electronics reserves the right to make changes in product specication without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© TT Electronics plc
www.ttelectronicsresistors.com
Test Performance
Load at Rated Power: 2000hrsatratedpower ±∆R% 1
Short Term Overload: 2xratedpowerwithappliedvoltagenottoexceed1.5xmaximumconnuousoperangvoltagefor5seconds ±∆R% 0.3
High Temperature Exposure: MIL-STD-202method108,at175°Cfor1000hrs,noload ±∆R% 0.25
Temperature Cycling: JESD22methodJA-104,-55°C/175°C,1000cycles ±∆R% 0.3
Biased Humidity: MIL-STD-202method103,1000hrs85°C/85%RH,10%ofoperangpower ±∆R% 0.5
Mechanical Shock: MIL-STD-202 method 213 ±∆R% 0.5
Vibraon: MIL-STD-202 method 204, peak acceleraon 5g for 20min, 12 cycles each of 3 orientaons, 10-2000Hz ±∆R% 0.2
Resistance to Soldering Heat: JIS-C-5201-1 4.18 IEC 60115-1 4.18, 260±5°C for 10 seconds ±∆R% 0.5
HBM ESD: AEC-Q200-002, human body 25kV (AD) ±∆R% 1
Solderability: J-STD-002, 240±5°C for 3 seconds ≥90%coverage
Moisture Resistance: MIL-STD-202 method 106, 10 cycles, 24hours ±∆R% 0.5
Bending Strength: AEC-Q200-005, Bending 2mm for 60 seconds ±∆R% 0.25
Terminal Strength: AEC-Q200-006, 1.8Kg for 60 seconds ±∆R% 0.2
Performance Data
www.ttelectronicsresistors.com
Surface Mount High Power Resistors
Surface Mount High Power ResistorsSurface Mount High Power Resistors
Surface Mount High Power Resistors
Load at Rated Power:
2000hrs at rated power
±∆R%
1
Short Term Overload:
2 x rated power with applied voltage not to exceed 1.5 x maximum continuous operating voltage for 5 seconds
±∆R%
0.3
High Temperature Exposure:
MIL-STD-202 method 108, at 175°C for 1000hrs, no load
±∆R%
0.25
Temperature Cycling:
JESD22 method JA-104, -55°C/175°C, 1000cycles
±∆R%
0.3
Biased Humidity:
MIL-STD-202 method 103, 1000hrs 85°C/85% RH, 10% of operating power
±∆R%
0.5
Mechanical Shock:
MIL-STD-202 method 213
±∆R%
0.5
Vibration:
MIL-STD-202 method 204, peak acceleration 5g for 20min, 12 cycles each of 3 orientations, 10-2000Hz
±∆R%
0.2
Resistance to Soldering Heat:
JIS-C-5201-1 4.18 IEC 60115-1 4.18, 260±5°C for 10 seconds
±∆R%
0.5
HBM ESD:
AEC-Q200-002, human body 25kV (AD)
±∆R%
1
Solderability:
J-STD-002, 240±5°C for 3 seconds
≥90% coverage
Moisture Resistance:
MIL-STD-202 method 106, 10 cycles, 24hours
±∆R%
0.5
Bending Strength:
AEC-Q200-005,
Bending 2mm for 60 seconds
±∆R%
0.25
Terminal Strength:
AEC-Q200-006, 1.8Kg for 60 seconds
±∆R%
0.2
90°C, 35µm
Characterisation carried out using 35µm PCB copper pad weights, with temperature of 90°C used as a
maximum reference on the PCB. P
90°C, 35µm
(W) is power when the measurement point reaches 90°C.
Temperature Derating Typical Thermal Performance on FR4 Pad Heatsink
Pulse Performance
Single Pulse (P
mean
<< P
r
) Condition
Typical High Frequency Performance
Pulse performance for durations ≥1s is dependent on mounting conditions. The short term
overload power limit is 2 x power rating for 5s.
Typical high frequency characteristics for WSMHP35-220R. Self resonant frequency is 1GHz.