Epoxy Coating Inorganic Coating Nickel Plating Resistive Element Terminal, Tin Plated Ultra Precision Thin Film NiCr Chip Resistor Advanced Thin Film Technology Best Long Term Stability for NiCr Low Noise Design Resistant to Corrosion (passivation) Resistance Tolerances up to ±,1% Temperature Coefficient: up to ±1ppm/ C Copper Film Alumina Ceramics Electrical Specification CPH 63 85 126 21 2512 Resistance range 1Ω..7,5kΩ 1Ω..36kΩ 1Ω..68kΩ 1Ω..15kΩ 1Ω..kΩ Resistance tolerance ±,1%..±,5% Power rating @ 7 C (W @ +155 C) 1/16W 1/1W 1/4W 1/2W 3/4W Max. working voltage 1V 15V V 3V TCR-rate ±2, ±5 (optional ±1) ppm/ C Working temperature range (max.) -2..+125 C (-55..+155 C) Mechanical Specification Resistance technology / material Metal thin film / NiCr Design SMD: 63, 85, 126, 21, 2512 Housing material Epoxy inorganic passivation layer Connections Axial tinned Parameters Test Conditions (MIL-PRF-55342/JIS C521-1) Specification Short time overload 2,5 x rated voltage, 5 sec. R ±,2%+,1Ω Life span (biased) High temperature / humidity 7 C, rated voltage, 9 min. on 3 min off, h 85 C, 85% RH 1/1 rated power, 9 min. on 3 min off, 1 h R ±,2%+,1Ω @ R 25Ω R ±,5%+,1Ω @ R <25Ω R ±,5%+,1Ω Temperature shock -65 C..+15 C (15 min), 1 cycles R ±,2%+,1Ω High temperature exposure +155 C, no bias 1 h R ±,5%+,1Ω Resistance to soldering heat 235 C ±5 C, 3 sec. (reflow) R ±,1%+,1Ω MEGATRON Elektronik GmbH & Co. KG Hermann-Oberth-Strasse 7 8564 Putzbrunn / Munich Tel.: +49 89 4694- Fax: +49 89 4694-21 www.megatron.de info@megatron.de Date: 5/24/218 Page: 1 of 6
Power Derating Curve Power (in % of the Nominal Value) 1 8 6 4 2-55 1 155 7 Ambient Temperature C Recommended Foot Prints Sketch CPH A B C 63 1, mm 3, mm 1,2 mm C 85 1,2 mm 4, mm 1,7 mm 126 2,2 mm 5, mm 2, mm A B 21 3,8 mm 6,8 mm 2,9 mm 2512 4,8 mm 8,2 mm 3,6 mm Recommendation for Reflow Soldering Profile 3 25 Peak 24..25 C max. 1 sec. 15 1 5 C Time Pre-heating 13..18 C 6..9 sec. Reflow Stage >22 C 3..9 sec. MEGATRON Elektronik GmbH & Co. KG Hermann-Oberth-Strasse 7 8564 Putzbrunn / Munich Tel.: +49 89 4694- Fax: +49 89 4694-21 www.megatron.de info@megatron.de Date: 5/24/218 Page: 2 of 6
Blister Tape Dimensions t Sprocket Hole D P P 2 E B F w T Gap A P 1 CPH A B E F W P P 1 P 2 D T t 63 1,1 ±,2 1,9 ±,2 1,75 ±,1 3,5 ±,5 8 ±,3 4 ±,15 4 ±,15 2 ±,1 Ø1,5 +,1 1,5 max.,3 max. 85 1,65 ±,2 2,4 ±,2 1,75 ±,1 3,5 ±,5 8 ±,3 4 ±,15 4 ±,15 2 ±,1 Ø1,5 +,1 1,5 max.,3 max. 126 2, ±,2 3,6 ±,2 1,75 ±,1 3,5 ±,5 8 ±,3 4 ±,15 4 ±,15 2 ±,1 Ø1,5 +,1 1,5 max.,3 max. 21 2,8 ±,2 5,4 ±,2 1,75 ±,1 5,5 ±,15 12 ±,3 4 ±,15 4 ±,15 2 ±,1 Ø1,5 +,1 1,5 max.,3 max. 2512 3.4 ±,2 6,6 ±,2 1,75 ±,1 5,5 ±,15 12 ±,3 4 ±,15 4 ±,15 2 ±,1 Ø1,5 +,1 1,5 max.,3 max. Dimensions in mm Reel Dimensions W ᴓ C B CPH 63 CPH 85 CPH 126 CPH 21 CPH 2512 ØA 18-1,5 18-1,5 ØB 6 +1, 6 +1, ØC 13 ±,2 13 ±,2 W 9 +1, 9 +1, T 11,4 ±1, 13 ±1, Dimensions in mm A T Packaging 1 pcs. Cut Tape for quantities >5pcs. 5 pcs. Tape on Reel for quantities < 1pcs. 1 pcs. Tape on Reel for quantities 1pcs.+ MEGATRON Elektronik GmbH & Co. KG Hermann-Oberth-Strasse 7 8564 Putzbrunn / Munich Tel.: +49 89 4694- Fax: +49 89 4694-21 www.megatron.de info@megatron.de Date: 5/24/218 Page: 3 of 6
Technical Drawing CPH L W T D1 63 1,6 ±,2,8 ±,25,4 ±,15,3 ±,2 85 2, ±,2 1,25 ±,25,4 ±,15,4 ±,2 126 3,2 ±,2 1,6 ±,25,4 ±,15,5 ±,25 21 5, ±,2 2,5 ±,25,45 ±,15,6 ±,25 2512 6,4 ±,2 3,2 ±,25,45 ±,2,75 ±,25 Dimensions in mm Order code Description Series: Type / size: 63 (max. 7,5kΩ) 85 (max. 36kΩ) 126 (max. 68kΩ) 21 (max. 15kΩ) 2512 (max. kω) Resistance tolerance: ±,5% ±,1% ±,5% Option ±,2 ±,1% Temperature coefficient: 5ppm/ C 2ppm/ C Option 1ppm/ C Resistance value - please choose: From 1Ω to see type Selection: standard=black/bold, possible options=grey/cursive CPH 63 85 126 21 2512 W,5% W,1% W,5% W,2% W,1% TK5 TK2 TK1 xxkxxx Order Example Series Type Resistance tolerance Temperature coefficient Resistance value Choice CPH 63 ±,1% 2ppm/ C 1,1kΩ Code CPH 63 W,1% TK2 1k1 MEGATRON Elektronik GmbH & Co. KG Hermann-Oberth-Strasse 7 8564 Putzbrunn / Munich Tel.: +49 89 4694- Fax: +49 89 4694-21 www.megatron.de info@megatron.de Date: 5/24/218 Page: 4 of 6
Test Data Biased life test 1 8 6 4 - -4-6 -8-1 CPH85 LL7 C.25W, n = 2 25Ω 2kΩ 1kΩ 32kΩ 1kΩ 1 1 1 1 1 8 6 4 - -4-6 -8-1 CPH126 LL7 C.25W, n = 2 25Ω 1kΩ 68kΩ 11 1 1 1 High temperature high humidity (biased) 5 4 3 1-1 - -3-4 -5 CPH85 THB 85 C, 85 %, n = 2 25Ω 2kΩ 1kΩ 32kΩ 1kΩ 1 1 1 1 5 4 3 1-1 - -3-4 -5 CPH126 THB 85 C, 85 %, n = 2 25Ω 1kΩ 68kΩ 1 1 1 1 Temperature shock 15 1 5-5 -1-15 CPH85, n = 1 Thermal Shock -65 C to +15 C 25Ω 1kΩ 68kΩ 15 1 5-5 -1-15 CPH126, n = 1 Thermal Shock -65 C to +15 C 25Ω 1kΩ 68kΩ - 1 1 1 1 Number of cycles - 1 1 1 1 Number of cycles High temperature exposure 5 4 3 1-1 - -3-4 -5 CPH85, n = 2 High Temperature Exposure,155 C 25Ω 1kΩ 32kΩ 1 1 1 1 5 4 3 1-1 - -3-4 -5 CPH126, n = 2 High Temperature Exposure,155 C 25Ω 1kΩ 68kΩ 1 1 1 1 MEGATRON Elektronik GmbH & Co. KG Hermann-Oberth-Strasse 7 8564 Putzbrunn / Munich Tel.: +49 89 4694- Fax: +49 89 4694-21 www.megatron.de info@megatron.de Date: 5/24/218 Page: 5 of 6
Temperature coefficient of Resistance CPH85 1 8 6 4 - -4-6 -8 CPH85-1kΩ 1 8 6 4 - -4-6 -8 CHP85-32kΩ -1-75 -5-25 25 5 75 1 125 15 175-1 -75-5 -25 25 5 75 1 125 15 175 CPH126 1 8 6 4 - -4-6 -8 CHP126-1kΩ 1 8 6 4 - -4-6 -8 CHP126-68kΩ -1-75 -5-25 25 5 75 1 125 15 175-1 -75-5 -25 25 5 75 1 125 15 175 MEGATRON Elektronik GmbH & Co. KG Hermann-Oberth-Strasse 7 8564 Putzbrunn / Munich Tel.: +49 89 4694- Fax: +49 89 4694-21 www.megatron.de info@megatron.de Date: 5/24/218 Page: 6 of 6