Dimensions (mm) & Weight (g)
A10.1 ±0.3
B10.1 ±0.3
C4.6 ±0.2
D5.0 ±1
E1.27 ±0.3
F2.54 ±0.5
G3.2 ±0.2
H0.43 ±0.07
J0.88 ±0.12
K1.32 ±0.15
L5.08 ±0.1
M1.35 ±0.1
O1.5 ±0.5
P2.54 ±0.1
P1 0 to 3°
P2 0 to 3°
Q6.9 ±0.3
R0 to 0.254
T6.0 ±1
Wt 1.5 nom.
WSMHP20 WSMHP25 WSMHP35 Condions
Power rang was 20 25 35 Heatsink with 25°C ange temperature
Power rang was 2.5 Without heatsink
Thermal resistance °C/W 3.3 Resistor hotspot to ange
Liming element voltage volts 500 dc or ac rms
Resistance range ohms 0R5 – 100K
Dielectric strength volts 2000 dc for 60s
Working temperature range °C -55 to 175
Insulaon resistance ohms >10G Between terminals and tab
Tolerances %≤1R0: ±5 >1R0: ±1, ±5
TCR ppm/°C ≤3R0: ±300 >3R0-10R: ±100 >10R: ±50 25 to 105°C
Standard values E24 preferred
WSMHP Series
TO-263 surface mount package
Very low thermal resistance
Non-inducve,20,25and35wahighpowerresistors
LowprolepackageforhighdensityPCBinstallaon
Suitableforboardmounngwitheithersolderorclip
AEC-Q200qualied
Electrical Data
Physical Data
Make Possible
Surface Mount High Power Resistors
Resistors
05.15
General Note
TT Electronics reserves the right to make changes in product specication 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
All parts are Pb-free and comply with EU Direcve 2011/65/EU (RoHS2)
WSMHP Series
Make Possible
Surface Mount High Power Resistors
Resistors
05.15
General Note
TT Electronics reserves the right to make changes in product specication 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: 2000hrsatratedpower ±∆R% 1
Short Term Overload: 2xratedpowerwithappliedvoltagenottoexceed1.5xmaximumconnuousoperang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operangpower ±∆R% 0.5
Mechanical Shock: MIL-STD-202 method 213 ±∆R% 0.5
Vibraon: MIL-STD-202 method 204, peak acceleraon 5g for 20min, 12 cycles each of 3 orientaons, 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
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Performance Data
WSMHP Series
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
Dim. x, y
90°C, 35µm
(W)
50, 40
4.5
45, 35
4
40, 30
3.5
35, 25
3
20, 10
2
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.
WSMHP Series
Make Possible
Surface Mount High Power Resistors
Resistors
05.15
General Note
TT Electronics reserves the right to make changes in product specication 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
Packing
WSMHPcomponentsarepackedon330mmdiameterreels,with100mminnerdiameter,intapeofwidth24mmandwithaquantyof500piecesperreel.
Thedimensionsofthetapeandorientaonofthecomponentareasshownbelow.
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Surface Mount High Power Resistors
Surface Mount High Power ResistorsSurface Mount High Power Resistors
Surface Mount High Power Resistors
WSMHP Series
Packing
WSMHP components are packed on 330mm diameter reels, with 100mm inner diameter, in tape of width 24mm and with a
quantity of 500 pieces per reel. The dimensions of the tape and orientation of the component are as shown below.
Ordering Procedure
Example: WSMHP35-10KJ (WSMHP35 at 10 kilohms ±5%, Pb-free)
   
 
 


 


 

 

Mouser Electronics
Authorized Distributor
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TT Electronics:
WSMHP20-470RJ WSMHP20-91RF WSMHP35-47RF WSMHP25-200RF WSMHP20-22RF WSMHP35-270RJ
WSMHP35-51RF WSMHP20-47RJ WSMHP25-130RJ WSMHP35-7R5J WSMHP35-47RJ WSMHP20-100RJ
WSMHP25-05RF WSMHP25-01KJ WSMHP35-05RJ WSMHP25-1K0J WSMHP35-4R0F WSMHP35-03RJ
WSMHP25-3R3J WSMHP25-100RF WSMHP35-200RF WSMHP35-3R3J WSMHP20-100RF WSMHP35-1K0F
WSMHP35-56RF WSMHP35-01KF WSMHP35-1K0J WSMHP25-1R0J WSMHP35-100RF WSMHP35-04RF
WSMHP20-10RJ WSMHP20-1R5J WSMHP20-1R0J WSMHP35-12RF WSMHP35-02RJ WSMHP35-15RJ
WSMHP25-50RF WSMHP35-3R3KF WSMHP20-15RF WSMHP25-8R0F WSMHP35-1R0J WSMHP35-1R5F
WSMHP35-3R0J WSMHP25-10RF WSMHP35-5R0J WSMHP35-01RJ WSMHP35-01KJ WSMHP35-12RJ
WSMHP35-27RF WSMHP35-20RF WSMHP35-470RF WSMHP25-08RF WSMHP35-50RF WSMHP35-2R0J
WSMHP35-05RF WSMHP25-1R5F WSMHP20-20RF WSMHP35-2R0F WSMHP35-10RF WSMHP35-15RF
WSMHP20-10RF WSMHP25-20RF WSMHP35-100RJ WSMHP35-10RJ WSMHP25-01RJ WSMHP20-20RJ
WSMHP25-5R0F WSMHP35-2R5F WSMHP25-25RF WSMHP20-01RJ WSMHP35-300RF WSMHP35-30RF
WSMHP25-0R5J WSMHP35-02RF WSMHP35-3R3F WSMHP35-150RJ WSMHP25-12RF WSMHP35-3K3F