Inorganic Fire Retardant

Encapsulant

Flame Proof

High Temperature

Ceramic Housing

Terminals Suitable

For Re-Flow

Soldering

• Tape and Reel 

 

packing available.

• 2W TO 3W

• R001 TO R10

SURFACE MOUNT RESISTORS

CERAMIC ENCASED TYPE

HCALS

SERIES

POWER TYPE

Ceramic Encased 

Current Sense Resistors

e : info@htr-india.com

www.htr-india.com

Rev Date : 22/11/2016

As per  AEC-Q200

C2LS 

2W 

11.0 

10.0 

5.3 

7.0 

5.5 

2.25 

R001 

R08 

0.8 

4527 

1000

 

 

(±0.8) 

(±0.7) 

(±0.6) 

(±0.7) 

(±0.3) 

(min)

C3LS 

3W 

17.0 

16.0 

7.8 

7.0 

5.5 

2.5 

R001 

R10 

2.0 

6927  

700

 

 

(±0.8) 

(±0.7) 

(±0.6) 

(±0.7) 

(±0.3) 

(min)

POWER

RATING

70°C

DIMENSIONS (mm)

RESISTANCE 

RANGE

PACKAGING

NO. OF PCS

PER REEL

min

HTR

TYPE

IMPORTANT MOUNTING / ASSEMBLY DATA

For the guidance of the Design Engineer, our applications laboratory has given the 

recommended Pad size and Geometry which is shown below:

      L 

L

1 

H 

W 

W

1

 T

max

SIZE

TYPICAL

WEIGHT 

PER PC

(gms)

Resistance values must be checked using 4½ digit micro ohm meter with 4 wire system

PHYSICAL CONFIGURATION

SURFACE

MOUNT

RESISTORS

CERAMIC

ENCASED

TYPE

HCALS

  C2LS 

3.94 

5.84 

5.21

  C3LS 

3.94 

5.97 

11.94

HTR

TYPE

DIMENSIONS (mm)

A

B

C

ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS / DATA

Power Rating (Rated Ambient Temperature) 

Full Power dissipation at 70°C and linearly derated to zero at 

 

275°C - (C3LS) & 155°C - (C2LS) (Refer Derating curve above)

Resistance Tolerances Available 

±10% (K); ±5% (J); ±3%(H); ±2%(G); ±1%(F)

Operating Temperature Range -55°C to +155°C (C2LS) and -55°C to +275°C (C3LS) with suitable derating  

 

as per derating curve shown above.

Voltage Rating / Limiting Voltage / Max Working Voltage 

V=   PxR

Voltage Proof / Dielectric Withstanding Voltage 

∆

R ± (0.2% + R0005) - 

(based on 1000V rms for 60 secs) 

No flashover or mechanical damage

Insulation Resistance [MIL STD 202F - Test Method 302] 

>1000M

Ω

 (min)

Short Time Overload 

∆

R ± (0.2% + R0005) - Average

(5 x Rated power for 5 secs)
Temperature Co-efficient of Resistance 

± 60 to 400 ppm/°C (Depending on resistance value)

Thermal Shock [-65°C to +125°C, 5 cycles, 15 min.  

∆

R ± (0.2% + R0005) - Average

at each extreme temperature]
Temperature Rise (Ambient 30°C) 

Refer temperature rise curve shown above

Moisture Resistance [MIL STD 202F - 

∆

R ± (0.5% + R0005) - Average

Test Method 106E with step 7b eliminated]   
Damp Heat (Steady State) / Humidity 

∆

R ± (0.5% + R0005) - Typical

(40°C at 95% R.H for 250 hours)
Endurance - Load life (70°C with limiting voltage 

∆

R ± (1.0% + R0005) - Average

- 1.5 hours on / 0.5 hours off for 1000 hours)
Solvent Resistance (IPA for 60 secs ± 10 secs) 

No effect on case filling / marking

PARAMETER/PERFORMANCE TEST & TEST METHOD  PERFORMANCE REQUIREMENTS

e : info@htr-india.com

www.htr-india.com

Rev Date : 22/11/2016

Note: 
The ceramic cases used may be steatite ceramic or corderite ceramic or high alumina ceramic. Hence, the ceramic cases may be off-white
or variations of brown and variations of grey; colours which are inherent to these ceramic materials.

Resistance to Soldering Heat (260°C - 270°C for 4 secs)  

∆

R ± (0.5% + R0005) - Typical

Solderability (MIL STD 202F - Test method 208F) 

Must meet the requirements laid down (95% satisfactory coverage)

MECHANICAL SPECIFICATIONS

1. For Tape & Reel - C2LS TR

2. For RoHS version - C2LS *

3. Add 100% to typical weight per pc given to ascertain gross weight of consignment.

PARAMETER/PERFORMANCE TEST & TEST METHOD 

PERFORMANCE REQUIREMENTS

SURFACE

MOUNT

RESISTORS

CERAMIC

ENCASED

TYPE

HCALS

ORDERING INFORMATION

 

Series 

HTR Type 

Packing 

Resistance Value 

Tolerance 

 

HCALS 

C2LS / C2LS* 

Bulk C2LS / C2LS* 

R005 

J

 

 

 

Tape & Reel C2LSTR / C2LS*TR 

e : info@htr-india.com

www.htr-india.com

Rev Date : 22/11/2016