View sm4001a-c thru sm4007a-c datasheet:

SM4001A-C~SM4007A-C Voltage 50V~1000V 1.0 Amp Surface Mount Silicon Rectifiers Elektronische Bauelemente RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free SMA FEATURES  Ideal for surface mount applications  Easy pick and place  Built-in strain relief  High surge current capability B A C MECHANICAL DATA  Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 H  Terminals: Lead Free Plating (Tin Finish) D Solderable per MIL-STD-202, Method 208 G E  Polarity: Cathode Band F PACKAGE INFORMATION Millimeter Millimeter REF. REF. Min. Max. Min. Max. Package MPQ Leader Size A 1.23 1.65 E - 0.3 B 3.99 4.75 F 4.70 5.28 SMA 5K 13 inch C 2.30 2.90 G 0.75 1.52 D 1.90 2.62 H 0.15